CN104451223B - A kind of preparation method of SiC/Mg alloy material - Google Patents
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- 239000000956 alloy Substances 0.000 title claims abstract description 23
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 41
- 238000005245 sintering Methods 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 26
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000005530 etching Methods 0.000 claims abstract description 20
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004411 aluminium Substances 0.000 claims abstract description 14
- 238000000498 ball milling Methods 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000010453 quartz Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 9
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000008117 stearic acid Substances 0.000 claims abstract description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 3
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 14
- 230000014759 maintenance of location Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000001788 irregular Effects 0.000 abstract description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 35
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 34
- 239000002131 composite material Substances 0.000 description 15
- 239000011777 magnesium Substances 0.000 description 12
- 229910052749 magnesium Inorganic materials 0.000 description 12
- 239000002253 acid Substances 0.000 description 11
- 229910003465 moissanite Inorganic materials 0.000 description 8
- 238000010828 elution Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000714 At alloy Inorganic materials 0.000 description 1
- 229910052580 B4C Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- MKPXGEVFQSIKGE-UHFFFAOYSA-N [Mg].[Si] Chemical compound [Mg].[Si] MKPXGEVFQSIKGE-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010406 interfacial reaction Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011156 metal matrix composite Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The present invention relates to the preparation method of a kind of SiC/Mg alloy material, belong to powder metallurgical technology.Comprise the steps: the 1st step, by weight, take SiC 10～20 parts, sodium carbonate 15～30 parts, after mix homogeneously, it is positioned in quartz boat, is heated to 700～800 DEG C, insulation, after letting cool, solids dilute hydrochloric acid is washed to constant weight, obtains etching SiC；2nd step, by etching SiC, aluminium powder 5～10 parts, zinc powder 5～10 parts, stearic acid 5～10 parts of mix homogeneously, after ball milling, obtain mixture；3rd step, mixture is mixed homogeneously with magnesium powder 50～80 parts, be then sintered, obtain alloy material.The present invention, by performing etching the surface of SiC, forms irregular pattern, is more beneficial for and zinc powder, the overlap joint of aluminium powder, makes to be formed each other interface arrangment, is conducive to being formed integral with one another in sintering process, improves the frictional behaviour of material.
Description
Technical field
The present invention relates to the preparation method of a kind of SiC/Mg alloy material, belong to powder metallurgical technology.
Background technology
In order to improve, magnesium alloy strength is low, the shortcoming of poor mechanical property, and scientific and technical personnel add high-strength, Gao Mo in magnesium alloy
The carbon fiber of amount, silicon carbide fibre etc. make composite, and continuous fiber reinforced composite materials obtains the highest specific strength
And specific stiffness, become the important structural material of Aeronautics and Astronautics.Magnesium base composite material has high specific strength, specific stiffness and excellent
Casting character make it be used widely in the field such as aviation, automobile.In order to make magnesium base composite material promote at civilian aspect,
Must the magnesium base composite material of Low-cost, therefore people begin one's study again discontinuous reinforcement magnesium base composite material, discontinuous
Strengthening magnesium base composite material is the another competitive light metal-based composite after aluminum matrix composite.System at present
Each discontinuous reinforcement magnesium base composite material, that enhancing thing is used more is SiC, B4C, Al2O3Deng granule and whisker.Typically
The matrix of conventional magnesium base composite material uses conventional cast magnesium alloy A291D, wrought magnesium alloy MB15 etc..From 80 years 20th century
Dai Mo, one of magnesium base composite material study hotspot becoming field of metal matrix composite.Past grinding in a large number this material
Studying carefully work mainly for national defence and the needs of AEROSPACE APPLICATION, along with the research and development of novel manufacturing process, magnesium base composite material exists
The engineering aspect of space flight and aviation, automobile, nuclear industry, movement entertainment and other advanced persons has obtained wider application.Close at present
Research work magnesium alloy materials in magnesium base composite material is commonly used reinforcement magnesium alloy materials selective enhancement body and is required physics, chemistry
The compatibility is good, avoids the interfacial reaction between reinforcement and matrix alloy as far as possible, and wettability is good, and load carrying capacity is strong.
Conventional reinforcement mainly has fiber C, fiber B, Al2O3Chopped fiber, SiC whisker, B4C granule, SiC particulate and Al2O3Granule
Deng.
At present, the research using the casting each particle reinforced magnesium base compound material of legal system is the most much reported.Powder metallurgic method
Comparing with common fusion casting, can produce the special material of more difficult production, product's dimensional precision is high, can avoid by melting
Journey produces material chemical composition change and impurity is mixed into；Sintering selects to carry out in vacuum system, and material does not aoxidizes, also will not be dirty
Dye, composition proportion is accurate, can reduce the segregation of alloying component to greatest extent, eliminate cast sturcture thick, uneven.But use
Powder metallurgic method is prepared particulate reinforced composite performance and be there is also bigger discreteness, and this can become obstruction magnesium base composite material and enter
Enter a key factor of large-scale industrial production.And use the SiC/Mg alloy for preparing of powder metallurgic method of routine
Material remains the problem that frictional behaviour is the highest.
Summary of the invention
The technical problem to be solved is that the frictional behaviour of magnesium-silicon carbide alloys material is the highest, to its technical side
Case is improved, and proposes the preparation method of a kind of SiC/Mg alloy material.
Technical scheme:
The preparation method of a kind of SiC/Mg alloy material, comprises the steps:
1st step, by weight, takes SiC 10～20 parts, sodium carbonate 15～30 parts, after mix homogeneously, is positioned over quartz
In boat, it is heated to 700～800 DEG C, insulation, after letting cool, solids dilute hydrochloric acid is washed to constant weight, obtains etching SiC；
2nd step, by etching SiC, aluminium powder 5～10 parts, zinc powder 5～10 parts, stearic acid 5～10 parts of mix homogeneously, after ball milling,
Obtain mixture；
3rd step, mixture is mixed homogeneously with magnesium powder 50～80 parts, be then sintered, obtain alloy material.
In the 1st described step, programming rate is 10 DEG C/minute.
In the 1st described step, temperature retention time is 3～5 minutes.
In the 3rd described step, sintering temperature 450～550 DEG C.
In the 3rd described step, sintering time is 20～30 minutes.
In the 3rd described step, sintering pressure is 2～4 MPa.
In the 1st described step, the mean diameter of SiC is 100～500 microns.
In the 2nd described step, the mean diameter of aluminium powder and zinc powder is 50～200 microns.
In the 2nd described step, in addition it is also necessary to addition copper powder 1～2 parts and/or molybdenum trioxide powder 1～2 parts.
Beneficial effect
The present invention, by performing etching the surface of SiC, forms irregular pattern, is more beneficial for and zinc powder, aluminium powder
Overlap joint, makes to be formed each other interface arrangment, is conducive to being formed integral with one another in sintering process, improves the frictional behaviour of material.
Detailed description of the invention
Embodiment 1
1st step, to take SiC 10g(mean diameter be 200 microns), sodium carbonate 15g, after mix homogeneously, be positioned over quartz boat
In, it being heated to 700 DEG C, programming rate is 10 DEG C/minute, and insulation, temperature retention time is 3 minutes, after letting cool, by solids with dilute
Salt acid elution, to constant weight, obtains etching SiC；
2nd step, by etching SiC, aluminium powder 5g (mean diameter is 50 microns), zinc powder 5g (mean diameter is 50 microns), hard
Ester acid 5g mix homogeneously, after ball milling, obtains mixture；
3rd step, being mixed homogeneously with magnesium powder 50g by mixture, be then sintered, sintering temperature 450 DEG C, sintering time is
20 minutes, sintering pressure was 2 MPa, obtains alloy material.
Embodiment 2
1st step, to take SiC 20g(mean diameter be 200 microns), sodium carbonate 30g, after mix homogeneously, be positioned over quartz boat
In, it being heated to 800 DEG C, programming rate is 10 DEG C/minute, and insulation, temperature retention time is 5 minutes, after letting cool, by solids with dilute
Salt acid elution, to constant weight, obtains etching SiC；
2nd step, by etching SiC, aluminium powder 10g (mean diameter is 50 microns), zinc powder 10g (mean diameter is 50 microns),
Stearic acid 10g mix homogeneously, after ball milling, obtains mixture；
3rd step, being mixed homogeneously with magnesium powder 80g by mixture, be then sintered, sintering temperature 550 DEG C, sintering time is
30 minutes, sintering pressure was 4 MPa, obtains alloy material.
Embodiment 3
1st step, to take SiC 15g(mean diameter be 200 microns), sodium carbonate 20g, after mix homogeneously, be positioned over quartz boat
In, it being heated to 750 DEG C, programming rate is 10 DEG C/minute, and insulation, temperature retention time is 4 minutes, after letting cool, by solids with dilute
Salt acid elution, to constant weight, obtains etching SiC；
2nd step, by etching SiC, aluminium powder 7g (mean diameter is 50 microns), zinc powder 8g (mean diameter is 50 microns), hard
Ester acid 8g mix homogeneously, after ball milling, obtains mixture；
3rd step, being mixed homogeneously with magnesium powder 50～80g by mixture, be then sintered, sintering temperature 500 DEG C, during sintering
Between be 25 minutes, sintering pressure is 3 MPa, obtains alloy material.
Embodiment 4
Difference with embodiment 3 is: be additionally added copper powder 1g in the 2nd step.
1st step, to take SiC 15g(mean diameter be 200 microns), sodium carbonate 20g, after mix homogeneously, be positioned over quartz boat
In, it being heated to 750 DEG C, programming rate is 10 DEG C/minute, and insulation, temperature retention time is 4 minutes, after letting cool, by solids with dilute
Salt acid elution, to constant weight, obtains etching SiC；
2nd step, by etching SiC, aluminium powder 7g (mean diameter is 50 microns), zinc powder 8g (mean diameter is 50 microns), hard
Ester acid 8g, copper powder 1g mix homogeneously, after ball milling, obtain mixture；
3rd step, being mixed homogeneously with magnesium powder 50～80g by mixture, be then sintered, sintering temperature 500 DEG C, during sintering
Between be 25 minutes, sintering pressure is 3 MPa, obtains alloy material.
Embodiment 5
Difference with embodiment 3 is: be additionally added molybdenum trioxide powder 1g in the 2nd step.
1st step, to take SiC 15g(mean diameter be 200 microns), sodium carbonate 20g, after mix homogeneously, be positioned over quartz boat
In, it being heated to 750 DEG C, programming rate is 10 DEG C/minute, and insulation, temperature retention time is 4 minutes, after letting cool, by solids with dilute
Salt acid elution, to constant weight, obtains etching SiC；
2nd step, by etching SiC, aluminium powder 7g (mean diameter is 50 microns), zinc powder 8g (mean diameter is 50 microns), hard
Ester acid 8g, molybdenum trioxide powder 1g mix homogeneously, after ball milling, obtain mixture；
3rd step, being mixed homogeneously with magnesium powder 50～80g by mixture, be then sintered, sintering temperature 500 DEG C, during sintering
Between be 25 minutes, sintering pressure is 3 MPa, obtains alloy material.
Embodiment 6
Difference with embodiment 3 is: be additionally added in the 2nd step into copper powder 1g and molybdenum trioxide powder 1g.
1st step, to take SiC 15g(mean diameter be 200 microns), sodium carbonate 20g, after mix homogeneously, be positioned over quartz boat
In, it being heated to 750 DEG C, programming rate is 10 DEG C/minute, and insulation, temperature retention time is 4 minutes, after letting cool, by solids with dilute
Salt acid elution, to constant weight, obtains etching SiC；
2nd step, by etching SiC, aluminium powder 7g (mean diameter is 50 microns), zinc powder 8g (mean diameter is 50 microns), hard
Ester acid 8g, molybdenum trioxide powder 1g, copper powder 1g mix homogeneously, after ball milling, obtain mixture；
3rd step, being mixed homogeneously with magnesium powder 50～80g by mixture, be then sintered, sintering temperature 500 DEG C, during sintering
Between be 25 minutes, sintering pressure is 3 MPa, obtains alloy material.
Reference examples
1st step, be 200 microns by SiC 15g(mean diameter), aluminium powder 7g (mean diameter is 50 microns), zinc powder 8g (flat
All particle diameters are 50 microns), stearic acid 8g, molybdenum trioxide powder 1g, copper powder 1g mix homogeneously, after ball milling, obtain mixture；
2nd step, being mixed homogeneously with magnesium powder 50～80g by mixture, be then sintered, sintering temperature 500 DEG C, during sintering
Between be 25 minutes, sintering pressure is 3 MPa, obtains alloy material.
Performance test
Friction-wear test is carried out on MMW-1 type friction wear testing machine, and experimental condition is dry friction rotary motion,
Using little thrust ring friction pair test method, mating material is 45 steel quenching steel loops, and hardness is 44-46HRC, and the speed of mainshaft sets
Being set to 240r/min, load is 40N, and the time is 10min.
The frictional behaviour of the alloy material that various embodiments above and reference examples prepare is as shown in the table:
As can be seen from the table, the SiC material in reference examples, not through over etching, causes the sintering process at alloy material
In be difficult to metallic particles with other and form bridging arrangement, the frictional behaviour causing material is bad.
Claims (1)
1. the preparation method of a SiC/Mg alloy material, it is characterised in that comprise the steps:
1st step, takes SiC 15g, sodium carbonate 20g, after mix homogeneously, is positioned in quartz boat, is heated to 750 DEG C, heats up
Speed is 10 DEG C/minute, insulation, and temperature retention time is 4 minutes, after letting cool, washs solids dilute hydrochloric acid to constant weight, is etched
SiC；
2nd step, by etching SiC, aluminium powder 7g, zinc powder 8g, stearic acid 8g, molybdenum trioxide powder 1g, copper powder 1g mix homogeneously, ball milling
After, obtain mixture；
3rd step, being mixed homogeneously with magnesium powder 50～80g by mixture, be then sintered, sintering temperature 500 DEG C, sintering time is
25 minutes, sintering pressure was 3 MPa, obtains alloy material；
Wherein, the mean diameter of SiC is 200 microns, and the mean diameter of aluminium powder is 50 microns, and the mean diameter of zinc powder is 50 micro-
Rice.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0488996A2 (en) * | 1987-12-12 | 1992-06-03 | Fujitsu Limited | Sintered magnesium-based composite material and process for preparing same |
| CN1837392A (en) * | 2006-04-03 | 2006-09-27 | 重庆大学 | Composite material of magnesium alloy and method for preparing the same |
| CN102251133A (en) * | 2011-08-16 | 2011-11-23 | 黄河科技学院 | Powder metallurgy preparation method of SiC/magnesium alloy AZ91 composite |
| CN102864361A (en) * | 2012-08-17 | 2013-01-09 | 河南科技大学 | SiC enhanced aluminum-based composite material for spacecraft and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101386926B (en) * | 2007-09-14 | 2011-11-09 | 清华大学 | Method for preparing Mg-based compound material and preparation apparatus |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0488996A2 (en) * | 1987-12-12 | 1992-06-03 | Fujitsu Limited | Sintered magnesium-based composite material and process for preparing same |
| CN1837392A (en) * | 2006-04-03 | 2006-09-27 | 重庆大学 | Composite material of magnesium alloy and method for preparing the same |
| CN102251133A (en) * | 2011-08-16 | 2011-11-23 | 黄河科技学院 | Powder metallurgy preparation method of SiC/magnesium alloy AZ91 composite |
| CN102864361A (en) * | 2012-08-17 | 2013-01-09 | 河南科技大学 | SiC enhanced aluminum-based composite material for spacecraft and preparation method thereof |
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| Title |
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| 复合铸造法制备 SiC/6066Al 复合材料技术研究;胡丞;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20120115;第20页，第31页 * |
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Effective date of registration: 20170308 Address after: Jinfeng District, Yinchuan City 750000 the Ningxia Hui Autonomous Region 3 warm home building No. 7 operating room Patentee after: NINGXIA KANGCHENG ELECTRICAL AND MECHANICAL PRODUCTS DESIGN CO., LTD. Address before: 753000 the Ningxia Hui Autonomous Region, Dawukou District, Helan, North Hill Road, No., building, building, room No. 1501, room 27 Patentee before: Ningxia hundred Chen Industrial Product Design Co., Ltd. |
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Effective date of registration: 20171211 Address after: 221600 Jiangsu city in Xuzhou province Xiao Peixian Development Zone Road North Patentee after: Xuzhou national long power accessories Casting Co., Ltd. Address before: Jinfeng District, Yinchuan City 750000 the Ningxia Hui Autonomous Region 3 warm home building No. 7 operating room Patentee before: NINGXIA KANGCHENG ELECTRICAL AND MECHANICAL PRODUCTS DESIGN CO., LTD. |
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Effective date of registration: 20211231 Address after: 213000 1668 Huacheng Road, Jintan District, Changzhou, Jiangsu. Patentee after: Kaisi Baoma hardware technology (Jiangsu) Co.,Ltd. Address before: 221600 North Side of Xiaohe Road, Peixian Development Zone, Xuzhou City, Jiangsu Province Patentee before: Xuzhou Guolong Electric Power Parts Foundry Co.,Ltd. |