CN103131902A - Cast aluminum alloy with dispersed CNTs and method for producing same - Google Patents
Cast aluminum alloy with dispersed CNTs and method for producing same Download PDFInfo
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- CN103131902A CN103131902A CN2012102199947A CN201210219994A CN103131902A CN 103131902 A CN103131902 A CN 103131902A CN 2012102199947 A CN2012102199947 A CN 2012102199947A CN 201210219994 A CN201210219994 A CN 201210219994A CN 103131902 A CN103131902 A CN 103131902A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0036—Matrix based on Al, Mg, Be or alloys thereof
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- Nanotechnology (AREA)
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Abstract
The invention provides a cast aluminum alloy with dispersed CNTs and a method for producing the same. The cast aluminum alloy is obtained by filling 1-5 vol.% of carbon nanotubes (CNT) coated with an oxide in a molten Al-Ti-B alloy and stirring the obtained mixture. The aluminum alloy has enhanced elasticity by forming a TiB2 compound in a structure.
Description
The cross reference of related application
The application is according to 35U.S.C. § 119(a) require the rights and interests of No. the 10-2011-0122884th, the korean patent application submitted on November 23rd, 2011, its full content is incorporated this paper into for referencial use.
Technical field
The disclosure relates to a kind of cast aluminium alloy of casting carbon nanotube for the snappiness with dispersion of scale operation, and the method for making this aluminium alloy.
Background technology
Carbon nanotube (CNT) is the macromole with the long tube shape that formed by the carbon that connects into six-membered ring structure and 1 nanometer (1 nanometer equal 1 meter part per billion) diameter.CNT why like this name be because be curled into tubular by making 3 carbon atoms connect into the carbon thin layer that honeycomb construction forms.
CNT is that the warp tension ratio steel is strong 100 times and have splendid flexible type material.Because CNT is hollow, they are very light.In addition, CNT has good electroconductibility (the same with copper good) and good thermal conductivity (equally good with diamond).
Doctor Ijima of Japan NEC institute found CNT first in 1991, he finds the carbon molecule of tubulose by microscopic examination the time.
After finding that CNT has as conductor or semi-conductive characteristic according to its caliber, CNT enters into the forefront of research and development as semiconductor material of future generation.In addition, because CNT has multifrequency nature according to shapes such as single-walled pipe, multi-walled pipes, pencils, it can be used as semiconductor memory, hydrogen-storing device, hydrogen battery electrode etc.
For example, can obtain the integrated level of billion (1,000,000,000,000) byte with the semi-conductor chip of CNT preparation, surpass the limit of gigabit (1,000,000,000) byte now.Can by with storing hydrogen in blank pipe and with CNT as battery, perhaps as the high purity filter for purifying.Because CNT can absorb anything, radar wave even, it is a kind of CNT class aircraft coating that is suitable for stealth aircraft of exploitation that a kind of trend is arranged, to avoid the investigation of monitor network by their ability.
Unfortunately, the exploitation of CNT matrix material is always difficult.For example, because the reuniting effect of CNT is difficult to make a large amount of CNT to scatter, this causes the inhomogeneous dispersion of CNT.In addition, develop the trial of this class matrix material based on CNT powder compacting operation, but it is proved to be high cost in scale operation.
Traditionally, produced the reinforced aluminium alloy of metal species compound, aluminum composite that CNT disperses etc., but not enough for elastic improvement, usually showing 100GPa or lower, the elasticity of cast iron is 120GPa by contrast.In addition, when preparation CNT matrix material, due to the inhomogeneous dispersion that CNT reunites and causes, be difficult to disperse the CNT greater than the amount of 5 volume %.
Therefore, there is demand in the alloy to CNT with dispersion in the field.
Summary of the invention
The invention provides a kind of be used to improving rigidity and noise, vibration, roughness (NVH) characteristic and being used for the snappiness cast aluminium alloy of scale operation.
According to the cast aluminium alloy of the CNT with dispersion of exemplary embodiment of the invention, be filled in the Al-Ti-B class alloy of melting and stir and moulding by the CNT that the oxide compound with 1 ~ 5 volume % coats, it is by forming TiB in structure
2Compound and have the elasticity of raising.Can via in-situ method by the Al-Ti class alloy of mixed/stirred melting and the Al-B class alloy of melting, form the Al-Ti-B class alloy of melting.This Al-Ti class alloy can comprise the Ti of 2 ~ 7wt%, and Al-B class alloy can comprise the B of 1 ~ 3wt%.
According to an illustrative embodiment of the invention, method for the preparation of the cast aluminium alloy of the CNT with dispersion comprises: molten metal forms step, forms the matrix molten metal via in-situ method by the Al-Ti class alloy of mixed/stirred melting and the Al-B class alloy of melting; And being filled with step, the CNT that the oxide compound of 1 ~ 5 volume % is coated is filled in formed molten metal and stirs.Form in step at molten metal, the melting Al-Ti class alloy that comprises 2 ~ 7wt%Ti can be mixed with the Al-B class alloy that comprises 1 ~ 3wt%B.In molten metal forms step, can be by in-situ method by mixed/stirred to form TiB in structure
2Compound.
Description of drawings
Describe above-mentioned and further feature of the present invention in detail referring now to illustrated some illustrative embodiments of the present invention of accompanying drawing, these embodiments that hereinafter provide only are used for the example explanation, are not therefore limitations of the present invention, wherein:
Fig. 1 illustrates the chart that Young's modulus increases with the dispersion of CNT in the cast aluminium alloy that disperses CNT according to having of exemplary embodiment of the invention; And
Fig. 2 illustrates the chart that Young's modulus increases because of the dispersion of CNT in strengthening matrix according to the boride compound with the cast aluminium alloy that disperses CNT of exemplary embodiment of the invention.
Be to be understood that, appended accompanying drawing is not must be pro rata, and it has presented the expression of simplifying to a certain extent of the various preferred features of explanation ultimate principle of the present invention.In the accompanying drawings, Reference numeral refers to identical or equivalent elements of the present invention in the whole text in several figure of accompanying drawing.
Embodiment
The below will be at length with reference to each embodiment of the present invention, and embodiment is shown in appended accompanying drawing, and is described hereinafter.Although describe the present invention in connection with illustrative embodiments, should be appreciated that this specification sheets has no intention to limit the invention to these illustrative embodiments.On the contrary, the present invention not only will be contained these illustrative embodiments, also will contain various alternative forms, modification, equivalents and other embodiment in the spirit and scope of the present invention that limited by claims.
Unless stated otherwise or apparent from context, otherwise term " about " used herein is interpreted as in the normal tolerable limit of this area, for example in 2 standard deviations of average." approximately " can be understood as described numerical value 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, 0.5%, 0.1%, 0.05% or 0.01% in.Unless obtain from context is clear in addition, all numerical value provided herein are all modified by term " about ".
Scope herein is interpreted as the simple expression of all numerical value in this scope.For example, 1～50 scope is understood to include the combination of any numeral, numeral or by the value of 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49 or 50 subranges that form and all mixed decimals between between above-mentioned integer, for example, 1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8 and 1.9.For subrange, " the nested subrange " that concrete consideration is extended from any end points in scope.For example, the nested subrange of 1 ~ 50 exemplary range can comprise 1 ~ 10,1 ~ 20,1 ~ 30 and 1 ~ 40 on a direction, or on other direction 50 ~ 40,50 ~ 30,50 ~ 20 and 50 ~ 10.
Should understand, term used herein " vehicle " or " vehicle " or other similar terms comprise common motor vehicle, for example, the passenger vehicle that comprises Multifunctional bicycle (SUV), motorbus, truck, various commercial vehicles, the water craft that comprises various ships and boats and ships, aircraft etc., and comprise hybrid electric vehicle, power truck, plug-in hybrid electric vehicles, hydrogen-powered vehicle and other fuel substitute car (for example, deriving from the fuel of oil resource in addition).As mentioned in this article, hybrid electric vehicle is the vehicle with two or more propulsion sources, for example, has petrol power and electrodynamic vehicle.
Hereinafter, disperse cast aluminium alloy and the manufacture method thereof of CNT to be elaborated referring now to accompanying drawing to having according to the preferred embodiment of the present invention.
The cast aluminium alloy that disperses CNT according to having of exemplary embodiment of the invention is be filled in the Al-Ti-B class alloy of melting and stir and moulding by the CNT that the oxide compound with 1 ~ 5 volume % coats, and forms thus TiB in structure
2Compound is to improve elasticity.
Traditionally, produced the reinforced aluminium alloy of metal species compound, aluminum composite that CNT disperses etc., but abundant not for elastic improvement, for example, with respect to cast iron (120GPa), 100GPa or lower elasticity are only arranged.In addition, when producing the CNT matrix material, wait because CNT reunites the inhomogeneous dispersion that causes, be difficult to CNT is distributed to amount greater than 5 volume %.In addition, because being makes by powder molding method, also there is restriction on cost competitiveness and productivity.
According to an illustrative embodiment of the invention, can by with CNT with 5 volume % or amount still less be distributed to guarantee 120GPa in aluminum substrate coefficient of elasticity (namely, the level identical with cast iron), wherein be formed with boride compound, thereby elastic improvement is maximized.Can prepare aluminium substrate alloy to improve elasticity.Be preparation boride compound (TiB
2: 541GPa), namely the elastic preferred compound of a kind of improvement, prepare the melting casting matrix alloy that uses Al-Ti and Al-B master alloy.((aluminium intermediate alloy of 1 ~ 3wt%) B can be by reaction in－situ but not powder-type injects to bring out TiB for 2 ~ 7wt%) Ti and Al-to use Al-
2Formation (to obtain the material homogeneity), and initial matrix coefficient of elasticity can guarantee the level at 100GPa.
In addition, the CNT that coats for the oxide compound that prevents high temperature oxidation with 1 ~ 5 volume % joins molten metal.Because CNT when high temperature and oxygen reaction and oxidized, for preventing this situation, CNT is coated with for example SiO
2Oxide compound, then be filled into it in molten metal and stir.
As a result, coefficient of elasticity is because the TiB of matrix alloy
2Increase (up to 120GPa or higher, the level suitable with cast iron) mutually, and CNT disperses by reaction in－situ; As a result, can the amount of CNT be down to by the coefficient of elasticity that improves matrix self minimum, thereby the cost reduction degree is increased.In addition, can be by producing the foundry mixture but not existing powder compacting CNT mixture improves productivity.
According to an illustrative embodiment of the invention, can pass through the Al-Ti class alloy of mixed/stirred melting and the Al-B class alloy of melting by in-situ method, form the Al-Ti-B class alloy of melting, the Al-Ti class alloy of this melting can comprise that the Al-B class alloy of the Ti of 2 ~ 7wt% and melting can comprise the B of 1 ~ 3wt%.
According to illustrative embodiments, method for the preparation of having the cast aluminium alloy that disperses CNT according to the present invention comprises: molten metal forms step, pass through the Al-Ti class alloy of mixed/stirred melting and the Al-B class alloy of melting by in-situ method, form the matrix molten metal; And being filled with step, the CNT that the oxide compound of 1 ~ 5 volume % is coated is filled in formed molten metal and stirs.
Herein, form in step at molten metal, the melting Al-Ti class alloy that comprises 2 ~ 7wt%Ti can be mixed with the melting Al-B class alloy that comprises 1 ~ 3wt%B, and form in step at molten metal, can come mixed/stirred to form TiB in structure by in-situ method
2Compound.
Following table 1 is to use the chemical constitution of the snappiness casting alloy of boride compound, and table 2 shows that coefficient of elasticity is with TiB
2The increase of phase and increasing.
Table 1
Table 2
| TiB 2（wt%） | Coefficient of elasticity (GPa) |
| 3.21 | 77.9 |
| 3.6 | 87.7 |
| 9.32 | 98 |
As shown in Table, confirmed that coefficient of elasticity is along with TiB
2The increase that produces and significantly increasing.
Fig. 1 illustrates Young's modulus along with the CNT in cast aluminium alloy disperses to increase and the chart of increase, and its coefficient of elasticity that shows mixture increases according to the increase of Voigt-Reuss model with CNT volume %.Particularly, as 5 volume %(as experimental threshold values) CNT when disperseing, coefficient of elasticity is increased to 92GPa.
Fig. 2 illustrates the chart that Young's modulus increases because of the dispersion of CNT in strengthening matrix according to the boride compound with the cast aluminium alloy that disperses CNT of exemplary embodiment of the invention.Fig. 2 confirmation, coefficient of elasticity is increased to 98GPa because of matrix alloy from 68GPa, wherein TiB in matrix alloy
2Output is 9.32wt%.In addition, disperse the coefficient of elasticity of the boride compound aluminum substrate cause to be increased to 122GPa from 98GPa because of CNT, therefore, when the CNT of 5 volume % is dispersed, can obtain the coefficient of elasticity of 122GPa.
According to having the cast aluminium alloy that disperses CNT and for the manufacture of the method for the cast aluminium alloy that is made of said structure, coefficient of elasticity is due to the TiB in matrix alloy
2Mutually and increase (120GPa or higher, the level suitable with cast iron) by the CNT that reaction in－situ disperses.And because the improvement of the coefficient of elasticity of matrix self, the amount of CNT can be down to minimum, thereby cost can significantly reduce.In addition, can be by producing the foundry mixture but not existing powder composition CNT mixture improves productivity.
Although describe the present invention in conjunction with illustrative embodiments, should be appreciated that this specification sheets has no intention to limit the invention to these illustrative embodiments.On the contrary, the present invention not only will be contained these illustrative embodiments, also will contain various alternative forms, modification, equivalents and other embodiment in the spirit and scope of the present invention that limited by claims.
Claims (17)
1. cast aluminium alloy comprises:
Carbon nanotube (CNT), wherein said CNT are coated with oxide compound and exist with the scope of 1 ~ 5 volume %;
Al-Ti-B alloy, wherein said CNT are evenly dispersed in described Al-Ti-B alloy everywhere.
2. cast aluminium alloy as claimed in claim 1, wherein form described Al-Ti-B class alloy via in-situ method by the Al-Ti class alloy of mixed/stirred melting and the Al-B class alloy of melting.
3. cast aluminium alloy as claimed in claim 2, wherein said Al-Ti class alloy comprises that scope is the Ti of 2 ~ 7wt%.
4. cast aluminium alloy as claimed in claim 2, wherein said Al-Ti class alloy comprises the approximately Ti of 2wt%.
5. cast aluminium alloy as claimed in claim 2, wherein said Al-Ti class alloy comprises the approximately Ti of 3wt%.
6. cast aluminium alloy as claimed in claim 2, wherein said Al-Ti class alloy comprises the approximately Ti of 4wt%.
7. cast aluminium alloy as claimed in claim 2, wherein said Al-Ti class alloy comprises the approximately Ti of 5wt%.
8. cast aluminium alloy as claimed in claim 2, wherein said Al-Ti class alloy comprises the approximately Ti of 6wt%.
9. cast aluminium alloy as claimed in claim 2, wherein said Al-Ti class alloy comprises the approximately Ti of 7wt%.
10. cast aluminium alloy as claimed in claim 2, wherein said Al-B class alloy comprises that scope is the B of 1 ~ 3wt%.
11. cast aluminium alloy as claimed in claim 2, wherein said Al-B class alloy comprises the approximately B of 1wt%.
12. cast aluminium alloy as claimed in claim 2, wherein said Al-B class alloy comprises the approximately B of 2wt%.
13. cast aluminium alloy as claimed in claim 2, wherein said Al-B class alloy comprises the approximately B of 3wt%.
14. a method of making cast aluminium alloy claimed in claim 1 comprises:
(a) form the Al-Ti class alloy of melting;
(b) form the Al-B class alloy of melting;
(c) use in-situ method to mix the Al-Ti class alloy of described melting and the Al-B class alloy of described melting;
(d) CNT that oxide compound is coated is filled in the molten metal of gained, and wherein said CNT exists with the scope of 1 ~ 5 volume %, and
(e) stir the described molten metal that is filled with.
15. method as claimed in claim 14, wherein the described melting Al-Ti in step (a) comprises that scope is the about Ti of 2 ~ 7wt%.
16. method as claimed in claim 14, wherein the described melting Al-B in step (b) comprises that scope is the about B of 1 ~ 3wt%.
17. method as claimed in claim 14, wherein step (c) forms TiB in structure by mixed/stirred via in-situ method
2Compound.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110122884A KR101360419B1 (en) | 2011-11-23 | 2011-11-23 | Casting aluminum alloy with dispersed cnt and method for producing the same |
| KR10-2011-0122884 | 2011-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103131902A true CN103131902A (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102199947A Pending CN103131902A (en) | 2011-11-23 | 2012-06-27 | Cast aluminum alloy with dispersed CNTs and method for producing same |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20140037493A1 (en) |
| KR (1) | KR101360419B1 (en) |
| CN (1) | CN103131902A (en) |
| DE (1) | DE102012211463A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630570A (en) * | 2014-12-11 | 2015-05-20 | 南车青岛四方机车车辆股份有限公司 | High-damping carbon nanotube/aluminum alloy composite material and preparation method thereof |
| CN105483420A (en) * | 2015-12-11 | 2016-04-13 | 苏州第一元素纳米技术有限公司 | Nano-carbon-reinforced wear-resistant composite material |
| CN106756193A (en) * | 2016-12-30 | 2017-05-31 | 苏州有色金属研究院有限公司 | Preparation facilities of carbon nanotube enhanced aluminium-based composite material and preparation method thereof |
| CN110195168A (en) * | 2019-07-12 | 2019-09-03 | 东北大学 | A kind of preparation process of Al-Ti-B grain refiners strip |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101601406B1 (en) * | 2014-04-14 | 2016-03-09 | 현대자동차주식회사 | Highly elastic aluminum alloy for continuous casting and method for producing the same |
| US20160023404A1 (en) * | 2014-07-25 | 2016-01-28 | Stephen Raymond Anderson | Three-dimensional manufacturing, fabricating, forming, and/or repairing apparatus and method |
| CN105671350A (en) * | 2015-03-19 | 2016-06-15 | 中信戴卡股份有限公司 | Aluminum alloy refiner, preparation method therefor and use thereof |
| CN105088023B (en) * | 2015-09-08 | 2017-03-22 | 苏州有色金属研究院有限公司 | Preparation method of carbon nano tube reinforced aluminum matrix composite |
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| US4710348A (en) * | 1984-10-19 | 1987-12-01 | Martin Marietta Corporation | Process for forming metal-ceramic composites |
| US5057150A (en) * | 1989-05-03 | 1991-10-15 | Alcan International Limited | Production of aluminum master alloy rod |
| US20090308753A1 (en) * | 2008-04-21 | 2009-12-17 | Wong Stanislaus S | Methods for controlling silica deposition onto carbon nanotube surfaces |
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| US6261390B1 (en) | 2000-05-15 | 2001-07-17 | Hsien-Yang Yeh | Process for nodulizing silicon in casting aluminum silicon alloys |
| JP2006250280A (en) | 2005-03-11 | 2006-09-21 | Nissan Motor Co Ltd | Piston pin of internal-combustion engine |
| JP4739338B2 (en) | 2005-04-13 | 2011-08-03 | 株式会社エヌ・ティ・ティ・ドコモ | Moving picture encoding apparatus, moving picture decoding apparatus, moving picture encoding method, moving picture decoding method, moving picture encoding program, and moving picture decoding program |
| JP5246765B2 (en) * | 2008-10-29 | 2013-07-24 | 国立大学法人 東京大学 | Carbon nanotube formation method |
-
2011
- 2011-11-23 KR KR1020110122884A patent/KR101360419B1/en active IP Right Grant
-
2012
- 2012-06-27 CN CN2012102199947A patent/CN103131902A/en active Pending
- 2012-07-03 DE DE102012211463A patent/DE102012211463A1/en not_active Withdrawn
- 2012-08-31 US US13/600,680 patent/US20140037493A1/en not_active Abandoned
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| US4710348A (en) * | 1984-10-19 | 1987-12-01 | Martin Marietta Corporation | Process for forming metal-ceramic composites |
| US5057150A (en) * | 1989-05-03 | 1991-10-15 | Alcan International Limited | Production of aluminum master alloy rod |
| US20090308753A1 (en) * | 2008-04-21 | 2009-12-17 | Wong Stanislaus S | Methods for controlling silica deposition onto carbon nanotube surfaces |
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| B.ABBASIPOUR ET AL.: "Compocasting of A356-CNT composite", 《TRANS.NONFERROUS MET.SOC.CHINA》 * |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630570A (en) * | 2014-12-11 | 2015-05-20 | 南车青岛四方机车车辆股份有限公司 | High-damping carbon nanotube/aluminum alloy composite material and preparation method thereof |
| CN105483420A (en) * | 2015-12-11 | 2016-04-13 | 苏州第一元素纳米技术有限公司 | Nano-carbon-reinforced wear-resistant composite material |
| CN106756193A (en) * | 2016-12-30 | 2017-05-31 | 苏州有色金属研究院有限公司 | Preparation facilities of carbon nanotube enhanced aluminium-based composite material and preparation method thereof |
| CN110195168A (en) * | 2019-07-12 | 2019-09-03 | 东北大学 | A kind of preparation process of Al-Ti-B grain refiners strip |
| CN110195168B (en) * | 2019-07-12 | 2021-01-01 | 东北大学 | Preparation process of aluminum-titanium-boron refiner plate |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101360419B1 (en) | 2014-02-11 |
| US20140037493A1 (en) | 2014-02-06 |
| DE102012211463A1 (en) | 2013-05-23 |
| KR20130057118A (en) | 2013-05-31 |
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