CN102331376A - Cross-scale micro-nano in-situ three-point bending mechanical performance testing platform - Google Patents
Cross-scale micro-nano in-situ three-point bending mechanical performance testing platform Download PDFInfo
- Publication number
- CN102331376A CN102331376A CN201110172197A CN201110172197A CN102331376A CN 102331376 A CN102331376 A CN 102331376A CN 201110172197 A CN201110172197 A CN 201110172197A CN 201110172197 A CN201110172197 A CN 201110172197A CN 102331376 A CN102331376 A CN 102331376A
- Authority
- CN
- China
- Prior art keywords
- screw
- situ
- worm
- point bending
- stage worm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a cross-scale micro-nano in-situ three-point bending mechanical performance testing platform which belongs to the field of in-situ mechanical performance testing and structurally comprises a precise drive unit, a transmission and execution unit, a signal control and detection unit and a connection and support unit, wherein a brushless direct-current servo motor is connected with a primary worm, connected with a secondary worm shaft through a primary worm gear drive pair, respectively connected with precise ball screws I and II through a secondary worm gear drive pair, and further connected with a hammer head. The cross-scale micro-nano in-situ three-point bending mechanical performance testing platform has the advantages of small volume, light weight, high rigidity, compact structure and high test precision, can provide plentiful test contents, and can be mutually compatible with carrier platforms of various electronic microscope vacuum cavities.
Description
Technical field
The present invention relates to the in-situ mechanical field tests, particularly a kind of yardstick micron-nano scale in-situ three-point bending mechanical property test platform of striding.Can be when sample being carried out the three-point bending loading; With the microdeformation of micro-imaging instruments such as Electronic Speculum (like scanning electron microscope SEM, transmission electron microscope TEM, scanning probe microscopy SPM etc.) to sample in the loading procedure, damage and fracture process are implemented in-situ monitoring; Also can load repeatedly, sample carried out online observation with micro-imaging instruments such as Electronic Speculum to sample; Can realize collection, control and conversion to load/displacement signal, for accurately working sample is at mechanical characteristic under the micro-nano-scale and the microdeformation of announcement sample under the three-point bending effect, Damage and Fracture mechanism provides new test mode.
Background technology
The in-situ mechanical test is meant under the micro-/ nano yardstick to be carried out in the process of Mechanics Performance Testing material for test; Through the microdeformation that instruments such as optical microscope, electron microscope and atomic force microscope take place material and goods thereof under the various loadings, omnidistance dynamically a kind of mechanical test means of on-line monitoring are carried out in damage.This technology has disclosed the correlativity rule between size, kind and the material property of mechanical behavior, micromechanism of damage and load of various types of materials and goods thereof from microcosmic point.In the category of many micro nanometer mechanics performance tests; Parameters such as elastic modulus, shear modulus, bending modulus, hardness, break limit are the topmost tested objects in little member mechanical property testing; A variety of method of testings have been produced to these mechanical quantities; Like nano impress/cut, stretching/compression method, shearing method, torsional technique, bending method and eardrum method etc.; More comprehensively reaction material or the mechanical characteristic of goods under bending condition of original position three-point bending method of testing wherein, and can measure important mechanics parameters such as material bending modulus, yield limit and fracture strength more intuitively; Through repeated multiple times material or goods are carried out three-point bending loads and unloading, also can reflect the anti-fatigue performance of sample to a certain extent.
Currently still be in the junior stage for original position three-point bending Research of measuring; Concrete manifestation is following: the cavity space of (1) scanning electron microscope, atomic force microscope and transmission electron microscope etc. is very limited; To such an extent as to the research of present majority all concentrates on micro-/ nano yardstick material and structure and is the basis; Atomic minor structures such as nanotube, nano wire and membraneous material are carried out on the simple in-situ nano extension test; Lack further investigation, thereby seriously fettered academia the Micromechanics behavior of large-size element and the further investigation of Damage and Fracture mechanism to the trans-scale in-situ micro-/ nano Mechanics Performance Testing of macro-size (membraneous material or three-dimensional test specimen); (2) from surveying instrument, mainly to wear crooked charger material and goods thereof are carried out the Mechanics Performance Testing of original position micro-/ nano by means of business-like scanning electron microscope (SEM), this method exists cost of equipment expensive; Test specification is limited; Characteristics such as content measurement is outmoded, to compact conformation, measurement range is adjustable; Rare the mentioning of original position three-point bending proving installation that content measurement is various greatly restricted going deep into and development of research;
Before the three-point bending mechanical property measuring technology was used in position, bending test generally was to the test of offing normal of material and goods thereof with large-scale Apparatus for Bending at low-temp.Testing machine loads sample with uniform rate according to relevant criterion; Draw load-deflection curve by testing machine; And then obtain stress-strain curve under the loading; Therefore, initial Apparatus for Bending at low-temp is after material is bent to the angle or fracture of regulation, draws the mechanics parameters such as elastic modulus, yield limit, break limit of material.What the conventional bending testing machine was directed against mostly is the grand material yardstick of large scale test specimen, does not relate to the mechanical property research of sample micro-nano-scale category, does not also relate to the original position online observation under the high resolving power micro imaging system.
Summary of the invention
The object of the present invention is to provide a kind of yardstick micron-nano scale in-situ three-point bending mechanical property test platform of striding, solved that expensive, volume that present technology exists are big, complex structure, Heavy Weight, measuring accuracy is low and problem such as poor compatibility.The present invention has that volume is little, in light weight, rigidity is high, compact conformation, measuring accuracy are high; And can utilize microdeformation and the Damage and Fracture processes of imaging system on-line monitoring macroscopic view test specimen under loading such as electron microscope; Characteristics such as available content measurement is abundant; Can obtain the important mechanics parameters such as bending modulus, yield limit and fracture strength of material through the test of original position three-point bending; Also can through repeated multiple times material or goods are carried out three-point bending loads and unloading, reflect the anti-fatigue performance of sample to a certain extent.Microdeformation, damage and fracture process to material are implemented the original position on-line monitoring, for disclosing mechanical characteristic and the Damage and Fracture mechanism of material under micro-nano-scale new proving installation are provided.
Above-mentioned purpose of the present invention realizes through following technical scheme:
Stride yardstick micron-nano scale in-situ three-point bending mechanical property test platform; Comprise accurate driver element, transmission and performance element, signal controlling and detecting unit, connection and support unit; Described accurate driver element, transmission and performance element are: brushless servomotor 33 is connected with one-level worm screw 37 through corrugated tube spring coupling 35; And the first-stage worm gear worm transmission pair through being made up of one-level worm screw 37 and first-stage worm gear 4 is connected with second-stage worm axle 1; The second-stage worm gear worm transmission pair of forming through second-stage worm cover I, II 3,27 and second-stage worm gear I, II 2,28 again is connected with precision ball screw I, II 13,18 respectively, and further is connected with tup 12 through square nut I, II 7,22; Wherein brushless servomotor 33 is fastenedly connected with motor flange dish 34, and motor flange dish 34 is fixedly connected with platform base 19; Bellows coupling 35 is rigidly connected with motor output shaft and one-level worm shaft 37 respectively, and this one-level worm screw 37 is fixed on the platform base 19 through one-level worm shaft bearing 36, register pin and sunk screw with the one-level worm drive assembly that the one-level worm bearing is formed; Second-stage worm axle 1 is connected through interference fit with side plate II, I 24,31 dead eyes respectively with the second-stage worm transmission component that the second-stage worm bearing is formed; First-stage worm gear 4 and second-stage worm gear I, II 2,28 are rigidly connected with one-level worm screw 37 and precision ball screw I, II 13,18 respectively; Second-stage worm cover I, II 3,27 are rigidly connected with second-stage worm axle 1 respectively; Leading screw stiff end I, the II 5,25 of precision ball screw I, II 13,18 are connected with platform base 19, and leading screw support end 16 is connected with platform base 19; Square nut I, II 7,22 are rigidly connected with feed screw nut I, II 6,23 respectively; Force transducer 11 is threaded with force transducer web member 10 and tup 12 respectively, and fastening through nut; The performance element that force transducer 11, force transducer web member 10 and tup 12 are formed is located by connecting through holding screw and sunk screw and square nut I, II 7,22.
Described signal controlling and detecting unit comprise force transducer 11 and photoelectric encoder 32, and this force transducer 11 is threaded with force transducer web member 10 and tup 12 respectively, and fastening through nut.
Described connection and support unit comprise T type groove 15, supporting member I, II 14,17 and auxiliary support plate; This T type groove 15 is fixed on the leading screw support end 16; Supporting member I, II 14,17 move to the span of testing requirements in this T type groove 15 after; Fastening through T type bolt, nut and T type groove 15, auxiliary support plate places in the slit of supporting member I, II 14,17.
One side of described square nut I, II 7,22 is a groove shape.
Described leading screw stiff end I, II 5,25 are assembled with an end interference of guide pole I, II 8,21 respectively; The other end of this guide pole I, II 8,21 is installed in respectively in guide pole supporting seat I, the II 9,20; And through screws clamp, the finishing hole interference fit on linear bearing 30 and square nut I, the II 7,22.
Described side plate II, I 24,31 are separately fixed on the saddle 29, and these saddle 29 inclined-planes become certain angle adjustable (0 ~ 90 °) with the bottom surface, and these saddle 29 bottoms are provided with collet support bar 26, and the ear seat through both sides is fixed on the objective table of micro-imaging instrument.
Beneficial effect of the present invention is: compared with prior art; Volume of the present invention is little, in light weight, rigidity is high, compact conformation, measuring accuracy high; Available content measurement is abundant; Can be compatible with the article carrying platform of various electron microscope vacuum cavities, also can use with imaging devices such as atomic force microscope, Raman spectrometer, X-ray diffractometer, optical microscope are compatible, have wide range of applications; Can carry out the trans-scale in-situ mechanical test to macroscopical test specimen of various materials and goods; And can realize continuously, intermittence etc. multiple load mode, to material and goods thereof bending load under microdeformation carry out dynamic online observation, machine-processed to disclose mechanical behavior and the Damage and Fracture of material under micro-nano-scale.Through the synchronous detection of load/displacement signal, in conjunction with the related software algorithm, match generates the stress-strain diagram under the bending load effect automatically, and is practical.
In sum, the present invention has important theory directive significance and good application development prospect to enriching original position micro nanometer mechanics performance test content and the development that promotes material mechanical performance measuring technology and equipment.
Description of drawings
Fig. 1 is a perspective view of the present invention;
Fig. 2 is another perspective view of the present invention;
Fig. 3 looks synoptic diagram for the right side of the present invention;
Fig. 4 is a schematic top plan view of the present invention.
Among the figure:
1, second-stage worm axle 2, second-stage worm gear I 3, second-stage worm cover I 4, first-stage worm gear 5, leading screw stiff end I
6, feed screw nut I 7, square nut I 8, guide pole I 9, guide pole supporting base I 10, force transducer web member 11, force transducer 12, tup 13, precision ball screw I 14, supporting member I 15, T type groove
16, leading screw support end 17, supporting member II 18, precision ball screw II 19, platform base 20, guide pole supporting base II 21, guide pole II 22, square nut II 23, feed screw nut II 24, side plate II 25, leading screw stiff end II
26, collet support bar II 27, second-stage worm cover nail II 28, second-stage worm gear II 29, saddle 30, linear bearing 31, side plate I 32, photoelectric encoder 33, DC servo-motor 34, motor flange dish
35, bellows coupling 36, one-level worm screw supporting seat 37, one-level worm screw.
Embodiment
Further specify detailed content of the present invention and embodiment thereof below in conjunction with accompanying drawing.
Referring to Fig. 1 to Fig. 4; The yardstick micron-nano scale in-situ three-point bending mechanical property test platform of striding of the present invention comprises accurate driver element, transmission and performance element, signal controlling and detecting unit, connection and support unit; Described accurate driver element, transmission and performance element are by brushless servomotor 33 power output to be provided; Brushless servomotor 33 is connected with one-level worm screw 37 through corrugated tube spring coupling 35; And through by one-level worm screw 37 and be fastened on the first-stage worm gear worm transmission pair that the first-stage worm gear 4 on the second-stage worm axle 1 formed and be connected with second-stage worm axle 1; Power is reached on the second-stage worm axle 1; Again through be fastened on second-stage worm cover I, II 3,27 and the second-stage worm gear I on the second-stage worm axle 1, the second-stage worm gear worm transmission pair that II 2,28 is formed is connected with precision ball screw I, II 13,18 respectively; With transmission of power to precision ball screw I, II 13,18 places, and further be connected with tup 12, drive the accurate straight reciprocating motion of tup 12 outputs through square nut I, II 7,22; Wherein brushless servomotor 33 is fastenedly connected through motor trip bolt and motor flange dish 34, and motor flange dish 34 directly is fixedly connected with platform base 19 through holding screw; Bellows coupling 35 is rigidly connected with motor output shaft and one-level worm shaft 37 respectively through holding screw, and this one-level worm screw 37 accurately is fixed on the platform base 19 through one-level worm shaft bearing 36, register pin and sunk screw with the one-level worm drive assembly that the one-level worm bearing is formed; Second-stage worm axle 1 is connected through interference fit with side plate II, I 24,31 dead eyes respectively with the second-stage worm transmission component that the second-stage worm bearing is formed; First-stage worm gear 4 and second-stage worm gear I, II 2,28 are rigidly connected through worm gear attachment screw and one-level worm screw 37 and precision ball screw I, II 13,18 respectively; Second-stage worm cover I, II 3,27 are rigidly connected with second-stage worm axle 1 respectively through the worm screw attachment screw; The leading screw stiff end I of precision ball screw I, II 13,18, II 5,25 are connected with platform base 19 through sunk screw, and leading screw support end 16 accurately is located by connecting through register pin, sunk screw and platform base 19; Square nut I, II 7,22 are rigidly connected with feed screw nut I, II 6,23 respectively through trip bolt; Force transducer 11 is threaded with force transducer web member 10 and tup 12 respectively, and fastening through nut; The performance element that force transducer 11, force transducer web member 10 and tup 12 are formed is located by connecting through holding screw and sunk screw and square nut I, II 7,22.
Described signal controlling and detecting unit comprise force transducer 11 and photoelectric encoder 32, can provide to the pulse/direction control model of DC servo-motor 33 to comprise that rate of displacement control, power rate controlled, rate of deformation are controlled at three kinds of interior digital-to-analog feedback signal sources; This force transducer 11 is threaded with force transducer web member 10 and tup 12 respectively, and fastening through nut; This force transducer 11 receive force direction consistent with the flexible direction of standard specimen under loading, with synchronism and the accuracy that guarantees that load/displacement signal detects.
Described connection and support unit comprise T type groove 15, supporting member I, II 14,17 and auxiliary support plate; This T type groove 15 is fixed on the leading screw support end 16; Supporting member I, II 14,17 move to the span of testing requirements in this T type groove 15 after; Fastening through T type bolt, nut and T type groove 15, according to different requirement, can pass through this supporting member I, II 14,17 and in this T type groove 15, move the original position three-point bending mechanical property test that realizes the different spans of sample; Auxiliary support plate places in the slit of supporting member I, II 14,17; Standard specimen is placed on the auxiliary support plate,, realize preparatory contact of standard specimen and supporting member I, II 14,17 through prestrain.
One side of described square nut I, II 7,22 is a groove shape; Can adjust the asynchronous problem between two square nuts that cause owing to foozle through in groove, adding the standard shim liner, thereby the actual loaded direction that has guaranteed tup 12 is consistent with theoretical loading direction.
Described leading screw stiff end I, II 5,25 are assembled with an end interference of guide pole I, II 8,21 respectively; The other end of this guide pole I, II 8,21 is installed in respectively in guide pole supporting seat I, the II 9,20; And pass through screws clamp; Finishing hole interference fit on linear bearing (30) and square nut I, the II 7,22; Can guarantee in whole test process in the error allowed band that leading screw square nut I, II 7,22 can not produce owing to the existence of load topples or turn on one's side phenomenon.
Described side plate II, I 24,31 are separately fixed on the saddle 29 through holding screw; These saddle 29 inclined-planes become certain angle adjustable (0 ~ 90 °) with the bottom surface; These saddle 29 bottoms are provided with collet support bar 26, and the ear seat through both sides is fixed on the objective table of micro-imaging instruments such as Electronic Speculum.Thereby micro-imaging instruments such as assurance test specimen entering Electronic Speculum is within sweep of the eye clear.
Claims (6)
1. stride yardstick micron-nano scale in-situ three-point bending mechanical property test platform for one kind; Comprise accurate driver element, transmission and performance element, signal controlling and detecting unit, connection and support unit; It is characterized in that described accurate driver element, transmission and performance element are
:Brushless servomotor (33) is connected with one-level worm screw (37) through corrugated tube spring coupling (35); And the first-stage worm gear worm transmission pair through being made up of one-level worm screw (37) and first-stage worm gear (4) is connected with second-stage worm axle (1); The second-stage worm gear worm transmission pair of forming through second-stage worm cover I, II (3,27) and second-stage worm gear I, II (2,28) again is connected with precision ball screw I, II (13,18) respectively, and further is connected with tup (12) through square nut I, II (7,22); Wherein brushless servomotor (33) is fastenedly connected with motor flange dish (34), and motor flange dish (34) is fixedly connected with platform base (19); Bellows coupling (35) is rigidly connected with motor output shaft and one-level worm shaft (37) respectively, and the one-level worm drive assembly that this one-level worm screw (37) and one-level worm bearing are formed is fixed on the platform base (19) through one-level worm shaft bearing (36), register pin and sunk screw; Second-stage worm axle (1) is connected through interference fit with side plate II, I (24,31) dead eye respectively with the second-stage worm transmission component that the second-stage worm bearing is formed; First-stage worm gear (4) and second-stage worm gear I, II (2,28) are rigidly connected with one-level worm screw (37) and precision ball screw I, II (13,18) respectively; Second-stage worm cover I, II (3,27) are rigidly connected with second-stage worm axle (1) respectively; The leading screw stiff end I of precision ball screw I, II (13,18), II (5,25) are connected with platform base (19), and leading screw support end (16) is connected with platform base (19); Square nut I, II (7,22) are rigidly connected with feed screw nut I, II (6,23) respectively; Force transducer (11) is threaded with force transducer web member (10) and tup (12) respectively, and fastening through nut; The performance element that force transducer (11), force transducer web member (10) and tup (12) are formed is located by connecting through holding screw and sunk screw and square nut I, II (7,22).
2. the yardstick micron-nano scale in-situ three-point bending mechanical property test platform of striding according to claim 1; It is characterized in that: described signal controlling and detecting unit comprise force transducer (11) and photoelectric encoder (32); This force transducer (11) is threaded with force transducer web member (10) and tup (12) respectively, and fastening through nut.
3. the yardstick micron-nano scale in-situ three-point bending mechanical property test platform of striding according to claim 1; It is characterized in that; Described connection and support unit comprise T type groove (15), supporting member I, II (14,17) and auxiliary support plate; This T type groove (15) is fixed on the leading screw support end (16); Supporting member I, II (14,17) move to the setting span in this T type groove (15) fastening through T type bolt, nut and T type groove (15), and auxiliary support plate places in the slit of supporting member I, II (14,17).
4. the yardstick micron-nano scale in-situ three-point bending mechanical property test platform of striding according to claim 1 is characterized in that a side of described square nut I, II (7,22) is a groove shape.
5. the yardstick micron-nano scale in-situ three-point bending mechanical property test platform of striding according to claim 1; It is characterized in that; Described leading screw stiff end I, II (5,25) are assembled with an end interference of guide pole I, II (8,21) respectively; The other end of this guide pole I, II (8,21) is installed in respectively in guide pole supporting seat I, the II (9,20), and through screws clamp, the finishing hole interference fit on linear bearing (30) and square nut I, the II (7,22).
6. the yardstick micron-nano scale in-situ three-point bending mechanical property test platform of striding according to claim 1; It is characterized in that; Described side plate II, I (24,31) are separately fixed on the saddle (29); This saddle (29) inclined-plane becomes 0 ~ 90 ° of angle with the bottom surface, this saddle (29) is fixed on the objective table of micro-imaging instrument through the ear seat of both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172197 CN102331376B (en) | 2011-06-24 | 2011-06-24 | Cross-scale micro-nano in-situ three-point bending mechanical performance testing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172197 CN102331376B (en) | 2011-06-24 | 2011-06-24 | Cross-scale micro-nano in-situ three-point bending mechanical performance testing platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102331376A true CN102331376A (en) | 2012-01-25 |
| CN102331376B CN102331376B (en) | 2013-02-06 |
Family
ID=45483229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110172197 Active CN102331376B (en) | 2011-06-24 | 2011-06-24 | Cross-scale micro-nano in-situ three-point bending mechanical performance testing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102331376B (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494955A (en) * | 2011-11-10 | 2012-06-13 | 吉林大学 | Cross-scale in-situ micro-nanometer three-point/four-point bending test device under microscopic assembly |
| CN103196751A (en) * | 2013-02-22 | 2013-07-10 | 中国科学院地质与地球物理研究所 | Rock strength testing device |
| CN103245575A (en) * | 2012-02-08 | 2013-08-14 | 上海奇谋能源技术开发有限公司 | Wire flex-resistance online detection method |
| CN103364281A (en) * | 2013-08-09 | 2013-10-23 | 吉林大学 | Material mechanical property in-situ three-point bending test platform with adjustable test environment temperature |
| CN103983526A (en) * | 2014-06-04 | 2014-08-13 | 吉林大学 | Cross-scale micro-nano-scale in-situ shearing mechanical performance testing platform |
| CN105606459A (en) * | 2016-02-04 | 2016-05-25 | 香港城市大学深圳研究院 | In-situ torque testing device for micro-nano scale materials and observing device |
| CN106680108A (en) * | 2016-11-24 | 2017-05-17 | 惠科股份有限公司 | Method and device for testing bending of display panel |
| CN106871857A (en) * | 2017-02-28 | 2017-06-20 | 天津大学 | A kind of ball-screw sag detection means and method |
| CN108072579A (en) * | 2017-11-23 | 2018-05-25 | 吉林大学 | The impact indentation test device and method of variable bit rate |
| CN108132085A (en) * | 2017-12-21 | 2018-06-08 | 山东理工大学 | It is a kind of that micro- apparatus for measuring quality and method are received based on tunnel-effect |
| CN108760548A (en) * | 2018-04-16 | 2018-11-06 | 吉林大学 | Micro-nano impression/the cut test device of two-pass combination drive |
| CN109238848A (en) * | 2018-09-12 | 2019-01-18 | 中国科学技术大学 | ESEM in-situ mechanical test platform |
| CN112098234A (en) * | 2020-09-29 | 2020-12-18 | 浙江大学 | Test fixture of bending strength and toughness |
| CN112730896A (en) * | 2020-12-21 | 2021-04-30 | 湘潭大学 | Material micro-pushing device used with atomic force microscope and using method thereof |
| CN113514319A (en) * | 2021-05-10 | 2021-10-19 | 吉林大学 | In-situ static-dynamic fatigue mechanical property testing instrument in scanning electron microscope |
| CN114104752A (en) * | 2021-12-28 | 2022-03-01 | 广东省机械研究所有限公司 | Tray automatic feeding warp and corrects device |
| CN116031035A (en) * | 2023-02-14 | 2023-04-28 | 成都国盛科技有限公司 | Potentiometer processing method and device and potentiometer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994025846A2 (en) * | 1993-04-30 | 1994-11-10 | Centre National De La Recherche Scientifique | In situ tensile testing machine and specimen for a scanning electron microscope |
| CN101113946A (en) * | 2007-07-20 | 2008-01-30 | 北京工业大学 | Force and electrical behavior testing device under Nanometer lines in-situ compressing in transmission electron microscope |
| CN101226121A (en) * | 2008-01-30 | 2008-07-23 | 赵宏伟 | Precision charger for material nano metric bending mechanical properties test |
| CN101285747A (en) * | 2008-04-25 | 2008-10-15 | 哈尔滨工业大学 | In situ nanometer stretching experiment measuring detection device |
| CN101876609A (en) * | 2009-06-12 | 2010-11-03 | 赵宏伟 | Micron-nano scale in-situ nano indentation and scratching test system |
| CN202141647U (en) * | 2011-06-24 | 2012-02-08 | 赵宏伟 | Cross-scale micro-nano-stage normal-position three-point bending mechanics performance testing platform |
-
2011
- 2011-06-24 CN CN 201110172197 patent/CN102331376B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994025846A2 (en) * | 1993-04-30 | 1994-11-10 | Centre National De La Recherche Scientifique | In situ tensile testing machine and specimen for a scanning electron microscope |
| CN101113946A (en) * | 2007-07-20 | 2008-01-30 | 北京工业大学 | Force and electrical behavior testing device under Nanometer lines in-situ compressing in transmission electron microscope |
| CN101226121A (en) * | 2008-01-30 | 2008-07-23 | 赵宏伟 | Precision charger for material nano metric bending mechanical properties test |
| CN101285747A (en) * | 2008-04-25 | 2008-10-15 | 哈尔滨工业大学 | In situ nanometer stretching experiment measuring detection device |
| CN101876609A (en) * | 2009-06-12 | 2010-11-03 | 赵宏伟 | Micron-nano scale in-situ nano indentation and scratching test system |
| CN202141647U (en) * | 2011-06-24 | 2012-02-08 | 赵宏伟 | Cross-scale micro-nano-stage normal-position three-point bending mechanics performance testing platform |
Non-Patent Citations (1)
| Title |
|---|
| 赵宏伟 等: "单晶硅纳米力学性能的测试", 《光学 精密工程》, vol. 17, no. 7, 31 July 2009 (2009-07-31), pages 1602 - 1608 * |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494955A (en) * | 2011-11-10 | 2012-06-13 | 吉林大学 | Cross-scale in-situ micro-nanometer three-point/four-point bending test device under microscopic assembly |
| CN102494955B (en) * | 2011-11-10 | 2013-04-24 | 吉林大学 | Cross-scale in-situ micro-nanometer three-point/four-point bending test device under microscopic assembly |
| CN103245575A (en) * | 2012-02-08 | 2013-08-14 | 上海奇谋能源技术开发有限公司 | Wire flex-resistance online detection method |
| CN103196751A (en) * | 2013-02-22 | 2013-07-10 | 中国科学院地质与地球物理研究所 | Rock strength testing device |
| CN103364281A (en) * | 2013-08-09 | 2013-10-23 | 吉林大学 | Material mechanical property in-situ three-point bending test platform with adjustable test environment temperature |
| CN103364281B (en) * | 2013-08-09 | 2015-10-21 | 吉林大学 | The material mechanical property in-situ three-point bend test platform that test environment temperature is adjustable |
| CN103983526A (en) * | 2014-06-04 | 2014-08-13 | 吉林大学 | Cross-scale micro-nano-scale in-situ shearing mechanical performance testing platform |
| CN105606459B (en) * | 2016-02-04 | 2018-07-13 | 香港城市大学深圳研究院 | Torsion-testing apparatus in situ and observation device for micro/nano-scale material |
| CN105606459A (en) * | 2016-02-04 | 2016-05-25 | 香港城市大学深圳研究院 | In-situ torque testing device for micro-nano scale materials and observing device |
| CN106680108A (en) * | 2016-11-24 | 2017-05-17 | 惠科股份有限公司 | Method and device for testing bending of display panel |
| CN106871857B (en) * | 2017-02-28 | 2023-02-17 | 天津大学 | Device and method for detecting bending deflection of ball screw |
| CN106871857A (en) * | 2017-02-28 | 2017-06-20 | 天津大学 | A kind of ball-screw sag detection means and method |
| CN108072579A (en) * | 2017-11-23 | 2018-05-25 | 吉林大学 | The impact indentation test device and method of variable bit rate |
| CN108132085A (en) * | 2017-12-21 | 2018-06-08 | 山东理工大学 | It is a kind of that micro- apparatus for measuring quality and method are received based on tunnel-effect |
| CN108132085B (en) * | 2017-12-21 | 2019-05-28 | 山东理工大学 | It is a kind of that micro- apparatus for measuring quality and method are received based on tunnel-effect |
| CN108760548A (en) * | 2018-04-16 | 2018-11-06 | 吉林大学 | Micro-nano impression/the cut test device of two-pass combination drive |
| CN108760548B (en) * | 2018-04-16 | 2024-02-20 | 吉林大学 | Double-stroke hybrid driving micro-nano indentation/scratch testing device |
| CN109238848B (en) * | 2018-09-12 | 2020-05-15 | 中国科学技术大学 | ESEM (electronic stability and electromagnetic Engineers) in-situ mechanical test platform |
| CN109238848A (en) * | 2018-09-12 | 2019-01-18 | 中国科学技术大学 | ESEM in-situ mechanical test platform |
| CN112098234A (en) * | 2020-09-29 | 2020-12-18 | 浙江大学 | Test fixture of bending strength and toughness |
| CN112730896A (en) * | 2020-12-21 | 2021-04-30 | 湘潭大学 | Material micro-pushing device used with atomic force microscope and using method thereof |
| CN113514319A (en) * | 2021-05-10 | 2021-10-19 | 吉林大学 | In-situ static-dynamic fatigue mechanical property testing instrument in scanning electron microscope |
| CN114104752A (en) * | 2021-12-28 | 2022-03-01 | 广东省机械研究所有限公司 | Tray automatic feeding warp and corrects device |
| CN116031035A (en) * | 2023-02-14 | 2023-04-28 | 成都国盛科技有限公司 | Potentiometer processing method and device and potentiometer |
| CN116031035B (en) * | 2023-02-14 | 2023-06-09 | 成都国盛科技有限公司 | Potentiometer processing method and device and potentiometer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102331376B (en) | 2013-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102331376B (en) | Cross-scale micro-nano in-situ three-point bending mechanical performance testing platform | |
| CN202903617U (en) | In-situ three-point bending test device | |
| CN102262016B (en) | Cross-scale micro nanometer grade in-situ composite load mechanical property testing platform | |
| CN103528887B (en) | Draw/press in situ-reverse combined load material Micromechanics test platform | |
| CN103308404B (en) | In-situ nano-indentation tester based on adjustable stretching-bending preload | |
| CN102359912B (en) | Mechanical testing platform for in-situ tension/compression materials under scanning electronic microscope based on quasi-static loading | |
| CN203643255U (en) | In-situ pull/press-torsion combined load material micromechanics test platform | |
| CN103353431B (en) | In-situ indentation mechanical testing device based on tensile compression and fatigue combined load mode | |
| CN101876609B (en) | Micron-nano scale in-situ nano indentation and scratching test system | |
| CN202141647U (en) | Cross-scale micro-nano-stage normal-position three-point bending mechanics performance testing platform | |
| CN102346117B (en) | Dynamic performance testing device of microradian-level accuracy in-situ torsion material under scanning electronic microscope | |
| CN103335898B (en) | In-situ testing device for micro-mechanical properties of materials under tension-shear combined loading mode | |
| CN203337493U (en) | In-site indentation mechanical testing device based on pulling-and-pressing and fatigue combined load mode | |
| CN203405372U (en) | Flexible hinge type mechanics performance testing platform for in-situ nanoindentation scratching materials | |
| CN202305330U (en) | Mechanics testing platform for in-situ high frequency fatigue materials under scanning electron microscope based on stretching/compressing mode | |
| CN201689021U (en) | Micro-nanometer level in-situ nanometer indentation scratch test system | |
| CN202256050U (en) | In-situ stretch/compression material mechanical test platform based on quasi-static loaded scanning electron microscope | |
| CN103983526A (en) | Cross-scale micro-nano-scale in-situ shearing mechanical performance testing platform | |
| CN204718887U (en) | Portablely to draw-curved-turn round combined load material mechanical performance testing machine | |
| CN103471905A (en) | Uniaxial two-way micro mechanical measurement device and method for scanning micro environment | |
| CN104297082A (en) | In-situ micro-nano indentation/scratch tester | |
| CN102384875A (en) | Stretching, compression and bending combined load mode material mechanics performance test device under microscope | |
| CN203551372U (en) | Platform for in situ testing micro mechanical properties of material in shearing-torsion composite load mode | |
| CN102928306A (en) | In-situ micro-nanometer mechanics testing and scoring machining integrated machine | |
| CN205015236U (en) | Compound load normal position nanometer indentation testing arrangement of drawing - bending |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JILIN UNIVERSITY Free format text: FORMER OWNER: ZHAO HONGWEI Effective date: 20130510 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 130025 CHANGCHUN, JILIN PROVINCE TO: 130012 CHANGCHUN, JILIN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130510 Address after: 130012 Changchun Qianjin Street, Jilin, No. 2699 Patentee after: Jilin University Address before: 130025 Jilin City, Changchun province people's street, No. 5988 Patentee before: Zhao Hongwei |