CN108931424A - A kind of test device and its evaluation method of ultra-thin laminated-metal composite bond strength - Google Patents
A kind of test device and its evaluation method of ultra-thin laminated-metal composite bond strength Download PDFInfo
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- CN108931424A CN108931424A CN201810518083.1A CN201810518083A CN108931424A CN 108931424 A CN108931424 A CN 108931424A CN 201810518083 A CN201810518083 A CN 201810518083A CN 108931424 A CN108931424 A CN 108931424A
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- metal composite
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- bond strength
- thin laminated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to the test devices and its evaluation method of a kind of super thin metal stratiform composite material bond strength.Described device is made of upper punch and lower die holder；The upper punch is equipped with convex portion；The lower die holder band is fluted；By had on upper punch convex portion one downwards, upward by the fluted one side of lower die holder band, assembled, the convex portion having on upper punch enters the groove on bottom punch.It is applied：Gluing is applied in one face of laminated-metal composite, and being pasted on bottom punch on one side for glue will be had；A symmetry axis in laminated-metal composite is fallen on the groove that bottom punch has at this time；Obtain sample to be heated；Sample to be heated is after the processing of low temperature gluing；Upper punch is fixed on pressure experiment machine；It moves down so that the groove of the convex portion face lower die holder of upper punch is compressed, completion is tested.Apparatus of the present invention are reasonable, and test method is simple, easy to carry and application.The present invention can be used for some particular surroundings simultaneously.
Description
Technical field
The invention belongs to the performance evaluation fields of laminar composite, and in particular to a kind of super thin metal stratiform composite material
The test device and its evaluation method of bond strength.
Background technique
Laminated-metal composite is to make two or more physics, chemistry and mechanical property difference using complex technique
Metal between realize strong metallurgical combine obtained from new material.Each layer metal therein still keeps respective original spy
Property, but its whole physics, chemistry and mechanical property are greatly improved than single metal, are widely used in aerospace, machine
The fields such as tool manufacture.The main method for preparing laminated-metal composite has Hot rolling, and diffusion welding (DW) connection, coating, laser are molten
Cover method etc..The interfacial structure of laminated-metal composite is generally by structure compositions such as diffusion layer, conversion zones.
Bond strength between each layer is to measure one of the important indicator of laminar composite quality.Evaluation stratiform is multiple at present
The method of condensation material bond strength mainly has pulling method and shearing method.By being stretched or being sheared to laminar composite, survey
Its tensile strength or shear strength are obtained to evaluate its bond strength.But it is directed to ultra-thin laminated-metal composite, due to its thickness
Direction size is unsatisfactory for preparation stretching or shearing test exemplar requirement.Therefore, stratiform gold can not be evaluated by traditional test methods
Belong to the bond strength between each layer of composite material, need to find it is a kind of can for ultra-thin laminated-metal composite combination it is strong
Spend evaluation method.Especially need a kind of ultra-thin laminated-metal composite interface cohesion that can be prepared for press moulding mode strong
The test method of degree.
Summary of the invention
The object of the present invention is to provide the test devices and its evaluation of a kind of ultra-thin laminated-metal composite bond strength
Method.The apparatus structure is simple, and ultra-thin laminated-metal composite bond strength cannot be evaluated not by making up existing test method
Foot, can evaluate the bond strength of layered metal composite material.
A kind of test device of ultra-thin laminated-metal composite bond strength of the present invention, the device by upper punch and under
Die holder composition；The upper punch is equipped with convex portion；The lower die holder band is fluted；The one of convex portion will be had on upper punch
Downwards, upward by the fluted one side of lower die holder band, it is assembled, the convex portion having on upper punch enters on bottom punch
Groove.
A kind of test device of ultra-thin laminated-metal composite bond strength of the present invention, lower die holder institute width with groove
For 5-10mm, preferably 6-8mm；Groove depth is 1-2 times, preferably 1.2-1.5 times of groove width.
A kind of test device of ultra-thin laminated-metal composite bond strength of the present invention, with groove upper of lower die holder
Edge is arc；The radius of the arc is 1-2mm, central angle degree is 30-90 degree.When with cambered, the present invention under
Die holder width with groove refer to the shortest distances of two parallel upper edges on groove.The distance is more than or equal to same on groove
Most short vertical range in plane between two walls.
A kind of test device of ultra-thin laminated-metal composite bond strength of the present invention, convex portion on upper punch its
Height of projection is 0.8-1 times of groove depth.
Preferably, on upper punch, the top of convex portion is arc；The radius of the arc is 2-3mm, the center of circle
Angle number is 120-180 degree.
Preferably, the width of upper punch convex portion for bottom punch 0.5-0.8 times with recess width；It is preferred that
It is 0.7-0.8 times.
A kind of application of the test device of ultra-thin laminated-metal composite bond strength of the present invention；Include the following steps；
Step 1
Ultra-thin laminated-metal composite is taken, circle is cut into；The ultra-thin laminated-metal composite is by n-layer metal layer
Constitute, and in n-layer metal at least 2 layers density it is not identical；The thickness of the ultra-thin laminated-metal composite is less than 5 millis
Rice；
Step 2
E7 glue is coated in one face of laminated-metal composite, and being pasted on bottom punch on one side for E7 glue will be had；This
When laminated-metal composite in a symmetry axis fall on the groove that bottom punch has；Obtain sample to be heated；
Step 3
Sample obtained by step 2 is heated to 60-80 DEG C and applies the pressure of 3-10KPa, heat-insulation pressure keeping 4-6 hours；It is cold
But；Obtain sample to be tested；
Step 4
Upper punch is fixed on pressure experiment machine；Move down so that the convex portion face lower die holder of upper punch it is recessed
Slot is compressed；The displacement and load of upper trimming die at this time；It when stratified material tilting, is kept completely separate, pressure testing machine work stops.
Step 5
The displacement of step 4 record and load are depicted as displacement-load curves, finds and wave occurs on displacement-load curves
Load and its corresponding shift value when dynamic, the evaluation index as laminated-metal composite interface bond strength；Fluctuation point
It indicates stratiform material cracks, will then and slowly rise under load moment.
A kind of application of the test device of ultra-thin laminated-metal composite bond strength of the present invention；In step 1, take super
Lamelliform metallic composite is processed into the circular specimen of φ 30mm.
A kind of application of the test device of ultra-thin laminated-metal composite bond strength of the present invention；The ultra-thin stratiform gold
Belong to composite material to prepare by Hot pressing diffusion mode.The ultra-thin laminated-metal composite is preferably Al/Mg lamellar composite material
Material.
A kind of application of the test device of ultra-thin laminated-metal composite bond strength of the present invention；In n-layer metal layer, appoint
The thickness of one layer of meaning is less than 2mm.Overall thickness is less than or equal to 10mm, can even be less than or equal to 5mm.
A kind of application of the test device of ultra-thin laminated-metal composite bond strength of the present invention；The bonding of glue used
Intensity is greater than ultra-thin laminated-metal composite bond strength.
The present invention a kind of test device and its application of ultra-thin laminated-metal composite bond strength, can study well
Ultra-thin laminated-metal composite is from the mechanical property change in the complete During breakopen to the end that starts to occur cracking.
The beneficial effects of the present invention are：
The bond strength evaluation method of the ultra-thin laminated-metal composite provided, making up existing test method cannot evaluate
The deficiency of ultra-thin laminated-metal composite bond strength.Using different materials, deflection is different in compression process, passes through reality
Applying simple uniaxial pressure makes stratified material crack, to qualitatively evaluate its interface bond strength.
Detailed description of the invention
Attached drawing 1 is the schematic diagram and size of upper punch designed by the present invention.
Attached drawing 2 is the schematic diagram and size of lower die holder designed by the present invention.
Attached drawing 3 is that lower die holder designed by the present invention is stained with the schematic diagram after sample to be tested；
Attached drawing 4 is the schematic diagram that upper punch designed by the present invention and lower die holder are stained with the relative position after sample to be tested；
Attached drawing 5 is the schematic diagram that bottom punch designed by the present invention is stained with that sample to be tested test is completed；
Fig. 6 is the load-displacement curves figure of embodiment AlMg laminated-metal composite.
Specific embodiment
A preferred embodiment of the present invention will be described in detail below.
Embodiment 1
A kind of test device of ultra-thin laminated-metal composite bond strength of the present invention,
Lower die holder institute width with groove is 7mm；Groove depth is 10mm.
The radius of lower die holder top with groove arcuately is 1mm, central angle degree is 90 degree.
The height of projection of convex portion on upper punch is 9mm, width 5mm.
On upper punch, the top of convex portion is arc；The radius of the arc is 2.5mm, central angle degree is 180
Degree.The specific size of test device is as shown in Fig. 1 Fig. 2.
A kind of evaluation method of ultra-thin laminated-metal composite bond strength, specific step is as follows：
(1) Al/Mg laminar composite is prepared using Hot pressing diffusion mode, the thickness of Al, Mg be respectively 0.5mm and
0.8mm.The sample that φ 30mm is taken on the Al/Mg laminar composite of preparation is cut using wire electric discharge, as the present embodiment
Test sample.
(2) E7 glue is coated in the face Mg, coats E7 glue, and the face Mg that E7 glue will be had in one face of laminated-metal composite
It is pasted on lower die holder；A symmetry axis in laminated-metal composite is fallen on the groove that lower die holder has at this time, is obtained
Sample to be heated.
(3) sample is heated to 60 DEG C and applies the pressure of 5KPa, heat-insulation pressure keeping 6 hours；It is cooling；Obtain sample to be tested；
(4) upper punch is fixed on pressure experiment machine；Move down the convex portion face lower die holder so that upper punch
Groove, sample to be tested is compressed using universal testing machine；Testing machine automatically records the displacement and load of upper trimming die at this time；
It when stratified material tilting, is kept completely separate, pressure testing machine work stops.
(5) displacement of step 4 record and load are depicted as displacement-load curves, find and is sent out on displacement-load curves
Load and its corresponding shift value when raw fluctuation, the evaluation index as laminated-metal composite interface bond strength；Wave
Dynamic point indicates stratiform material cracks.
Claims (10)
1. a kind of test device of ultra-thin laminated-metal composite bond strength, it is characterised in that：Described device by upper punch,
It is formed with lower die holder；The upper punch is equipped with convex portion；The lower die holder band is fluted；Convex portion will be had on upper punch
One downwards, upward by the fluted one side of lower die holder band, assembled, the convex portion having on upper punch enters bottom punch
On groove.
2. a kind of test device of ultra-thin laminated-metal composite bond strength according to claim 1, it is characterised in that：
Lower die holder institute width with groove is 5-10mm, preferably 6-8mm；Groove depth is 1-2 times, preferably 1.2-1.5 times of groove width.
3. a kind of test device of ultra-thin laminated-metal composite bond strength according to claim 1, it is characterised in that：
Lower die holder upper edge with groove is arc；The radius of the arc is 1-2mm, central angle degree is 30-90 degree.Work as band
When cambered, in the present invention lower die holder width with groove refer to the shortest distances of two parallel upper edges on groove.It should be away from
From the most short vertical range being more than or equal on groove on same plane between two walls.
4. a kind of test device of ultra-thin laminated-metal composite bond strength according to claim 1, it is characterised in that：
Its height of projection of convex portion on upper punch is 0.8-1 times of the groove groove depth on bottom punch.
5. a kind of test device of ultra-thin laminated-metal composite bond strength according to claim 1, it is characterised in that：
On upper punch, the top of convex portion is arc；The radius of the arc is 2-3mm, central angle degree is 120-180 degree.
6. a kind of test device of ultra-thin laminated-metal composite bond strength according to claim 1, it is characterised in that：
The width of upper punch convex portion for bottom punch 0.5-0.8 times with recess width；Preferably 0.7-0.8 times.
7. a kind of test device of ultra-thin laminated-metal composite bond strength as claimed in any one of claims 1 to 6 is answered
With；It is characterized in that；Include the following steps；
Step 1
Ultra-thin laminated-metal composite is taken, circle is cut into；The ultra-thin laminated-metal composite is by n-layer metal layer structure
At, and in n-layer metal at least 2 layers density it is not identical；The thickness of the ultra-thin laminated-metal composite is less than 5 millimeters；
Step 2
Gluing is applied in one face of laminated-metal composite, and being pasted on bottom punch on one side for glue will be had；Stratiform gold at this time
The symmetry axis belonged in composite material is fallen on the groove that bottom punch has；Obtain sample to be heated；
Step 3
Sample obtained by step 2 is heated to 60-80 DEG C and applies the pressure of 3-10KPa, heat-insulation pressure keeping 4-6 hours；It is cooling；?
To sample to be tested；
Step 4
Upper punch is fixed on pressure experiment machine；Move down so that the convex portion face lower die holder of upper punch groove into
Row compression；The displacement and load of upper trimming die at this time；It when stratified material tilting, is kept completely separate, pressure testing machine work stops；
Step 5
The displacement of step 4 record and load are depicted as displacement-load curves, when fluctuating on searching displacement-load curves
Load and its corresponding shift value, the evaluation index as laminated-metal composite interface bond strength；Fluctuation point indicates
Stratified material cracking will then and slowly rise under load moment.
8. a kind of application of the test device of ultra-thin laminated-metal composite bond strength according to claim 7；Its
It is characterized in that：In step 1, ultra-thin laminated-metal composite is taken, is processed into the circular specimen of φ 30mm.
9. a kind of application of the test device of ultra-thin laminated-metal composite bond strength according to claim 7；Its
It is characterized in that：The ultra-thin laminated-metal composite is prepared by Hot pressing diffusion mode.
10. a kind of application of the test device of ultra-thin laminated-metal composite bond strength according to claim 7；Its
It is characterized in that：
In n-layer metal layer, any one layer of thickness is less than 2mm；Overall thickness is less than or equal to 10mm；
The adhesive strength of glue used is greater than ultra-thin laminated-metal composite bond strength.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810518083.1A CN108931424B (en) | 2018-05-27 | 2018-05-27 | Testing device and evaluation method for bonding strength of ultrathin laminar metal composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810518083.1A CN108931424B (en) | 2018-05-27 | 2018-05-27 | Testing device and evaluation method for bonding strength of ultrathin laminar metal composite material |
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| CN108931424A true CN108931424A (en) | 2018-12-04 |
| CN108931424B CN108931424B (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520925A (en) * | 2018-12-25 | 2019-03-26 | 燕山大学 | Bond strength test method between laser cladding layer and matrix |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041814U (en) * | 1988-09-01 | 1989-07-26 | 北京有色金属研究总院 | Fixture for measuring metal |
| JPH07270306A (en) * | 1994-03-29 | 1995-10-20 | Nkk Corp | Adhesion strength evaluation method for clad steel plate |
| CN2670936Y (en) * | 2003-11-28 | 2005-01-12 | 宝山钢铁股份有限公司 | Mold for testing adhesion of analog zinc layer on stretched bars |
| CN1755350A (en) * | 2004-09-29 | 2006-04-05 | 宝山钢铁股份有限公司 | Apparatus and method for testing coherence of steel sheet zinc coating |
| CN202903601U (en) * | 2012-10-25 | 2013-04-24 | 龙工（上海）桥箱有限公司 | Bonding strength testing device of copper-iron composite sintering material |
| CN104155237A (en) * | 2014-06-18 | 2014-11-19 | 广东工业大学 | Detection method for interface bonding strength of aluminum-steel composite material |
| CN105486632A (en) * | 2015-12-28 | 2016-04-13 | 银邦金属复合材料股份有限公司 | Measuring method for bonding strength of metallic composite, sample and sample manufacturing method |
| CN105890994A (en) * | 2016-06-22 | 2016-08-24 | 重庆大学 | Method for evaluating interface combination strength of layered metal composite material |
| JP2016180719A (en) * | 2015-03-25 | 2016-10-13 | 東レフィルム加工株式会社 | Method of evaluating adhesion strength between base material plastic film and metal layer of metal vapor-deposition plastic film |
| CN206002426U (en) * | 2016-09-07 | 2017-03-08 | 广州市荣钢金属制品有限公司 | A kind of mould for detecting lining plastic compound steel tube steel with mould bond strength |
-
2018
- 2018-05-27 CN CN201810518083.1A patent/CN108931424B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041814U (en) * | 1988-09-01 | 1989-07-26 | 北京有色金属研究总院 | Fixture for measuring metal |
| JPH07270306A (en) * | 1994-03-29 | 1995-10-20 | Nkk Corp | Adhesion strength evaluation method for clad steel plate |
| CN2670936Y (en) * | 2003-11-28 | 2005-01-12 | 宝山钢铁股份有限公司 | Mold for testing adhesion of analog zinc layer on stretched bars |
| CN1755350A (en) * | 2004-09-29 | 2006-04-05 | 宝山钢铁股份有限公司 | Apparatus and method for testing coherence of steel sheet zinc coating |
| CN202903601U (en) * | 2012-10-25 | 2013-04-24 | 龙工（上海）桥箱有限公司 | Bonding strength testing device of copper-iron composite sintering material |
| CN104155237A (en) * | 2014-06-18 | 2014-11-19 | 广东工业大学 | Detection method for interface bonding strength of aluminum-steel composite material |
| JP2016180719A (en) * | 2015-03-25 | 2016-10-13 | 東レフィルム加工株式会社 | Method of evaluating adhesion strength between base material plastic film and metal layer of metal vapor-deposition plastic film |
| CN105486632A (en) * | 2015-12-28 | 2016-04-13 | 银邦金属复合材料股份有限公司 | Measuring method for bonding strength of metallic composite, sample and sample manufacturing method |
| CN105890994A (en) * | 2016-06-22 | 2016-08-24 | 重庆大学 | Method for evaluating interface combination strength of layered metal composite material |
| CN206002426U (en) * | 2016-09-07 | 2017-03-08 | 广州市荣钢金属制品有限公司 | A kind of mould for detecting lining plastic compound steel tube steel with mould bond strength |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520925A (en) * | 2018-12-25 | 2019-03-26 | 燕山大学 | Bond strength test method between laser cladding layer and matrix |
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| CN108931424B (en) | 2020-06-16 |
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