CN107737918A - A kind of aluminum-base composite powder body material and preparation method thereof - Google Patents
A kind of aluminum-base composite powder body material and preparation method thereof Download PDFInfo
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- CN107737918A CN107737918A CN201710900877.XA CN201710900877A CN107737918A CN 107737918 A CN107737918 A CN 107737918A CN 201710900877 A CN201710900877 A CN 201710900877A CN 107737918 A CN107737918 A CN 107737918A
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- powder body
- alsi
- base composite
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- 239000000843 powder Substances 0.000 title claims abstract description 105
- 239000000463 material Substances 0.000 title claims abstract description 66
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229910003407 AlSi10Mg Inorganic materials 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 20
- 238000000498 ball milling Methods 0.000 claims description 17
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- 239000012300 argon atmosphere Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 description 9
- 239000008187 granular material Substances 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 240000006409 Acacia auriculiformis Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
-
- 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
- C22C32/0047—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 carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—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 carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
- C22C32/0063—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 carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides based on SiC
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention is a kind of aluminum-base composite powder body material, includes following raw material components according to percentage by weight：25~30% nanometer SiC powder, remaining is AlSi10Mg powder, each component percentage by weight sum are 100%；Nano SiC powder material purity is not less than 99.9%, and granularity is 250~350nm；AlSi10The purity of Mg powder body materials is not less than 99.9%, and granularity is 150~250 μm.Composite prepared by the present invention improves the mechanical property performance of matrix, its preparation method, solves nanometer reinforcing phase particle technical problem pockety in the base.
Description
Technical field
The present invention relates to metal powder material technical field, more particularly to a kind of aluminum-base composite powder body material and material
Preparation method.
Background technology
Metal-base composites is not only able to keep the premium properties of metal matrix material, after addition strengthens particle, also
With the performance not available for other matrixes, e.g., higher tensile property, good wearability, KIC and lower Crack Extension
Speed etc..Current most typical application is exactly Al based composites.
The Al based composites of nano SiC granule enhancing have that density is low, intensity is high, plasticity is good, higher high temperature resistant and
The features such as wearability, its easy to process and cost is low, applied to Aero-Space and automobile manufacturing field, great potential.Traditional
Preparation method is that hot pressed sintering or high temperature insostatic pressing (HIP) shaping are carried out after being mixed by powder, mainly there is two aspect shortcomings：First, powder
Mix uneven, or produce enhancing particle powder after mixing during hot pressed sintering and reunite etc., oversized enhancing is mutually not only
Invigoration effect will not be played, substantially reduces substrate performance on the contrary；Second, shaped using hot pressed sintering or high temperature insostatic pressing (HIP), it is difficult into
Shape complex-shaped workpieces, and thermal deformation is difficult to control, dimensional accuracy can not ensure, be even more nothing for the complicated part of internal die cavity
Method shapes and processing；Both the above shortcoming significantly limit the application of nano SiC granule reinforced Al matrix composite.
The content of the invention
It is an object of the invention to provide a kind of aluminum-base composite powder body material, using nano SiC granule as enhancing phase, improves aluminium and closes
Auri mechanics performance and anti-corrosion, resistance to elevated temperatures.
It is a further object to provide a kind of preparation method of aluminum-base composite powder body material, solves prior art
Nanometer reinforcing phase particle technical problem pockety in the base.
The technical solution adopted in the present invention is a kind of aluminum-base composite powder body material, it is characterised in that according to weight percent
Than including following raw material components：25~30% nanometer SiC powder, remaining is AlSi10Mg powder, above-mentioned each component weight percent
It is 100% than sum；The nano SiC powder material purity is not less than 99.9%, and granularity is 250~350nm；It is described
AlSi10The purity of Mg powder body materials is not less than 99.9%, and granularity is 150~250 μm.
A kind of preparation method of aluminum-base composite powder body material, it is characterised in that comprise the following steps：
1) the following nano SiC by vacuumizing the raw material components 25~30% being sealed is weighed according to percentage by weight
Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%；
2) AlSi for weighing step 1)10Mg powder and nanometer SiC powder carry out drying and processing；
3) AlSi after step 2) is dried10Mg powder and nanometer SiC powder, which add, carries out ball milling, batch mixing in ball mill,
Obtain aluminum-base composite powder body material.
A kind of 3. preparation method of aluminum-base composite powder body material according to claim 2, it is characterised in that step 1
In, the nano SiC powder material purity is not less than 99.9%, and granularity is 250~350nm；The AlSi10Mg powder body materials
Purity is not less than 99.9%, and granularity is 150~250 μm.
In step 2), drying and processing technique is：In argon atmosphere, 2-3 hours are incubated at 150~180 DEG C.
In step 3), the abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1.
In step 3), the ball radius that ball mill uses includes Φ 6 and Φ 8, and abrading-ball ratio is：Φ6:Φ 8=1:2.
In step 3), the handling process of ball mill is：Under conditions of 250~350rpm of rotating speed, 20~25min is rotated forward,
Suspend 3~5min, invert 20~25min, suspend 3~5min, Ball-milling Time is 5~6h.
The invention has the advantages that using nano SiC granule as enhancing phase, it is added to AlSi10In Mg matrixes, a part is received
Rice SiC particulate is directly fused into matrix, plays invigoration effect；Another part and matrix AlSi10Mg generates new Al4SiC4Strengthen
Phase, further improve alloy matrix aluminum mechanical property and anti-corrosion and resistance to elevated temperatures so that aluminum matrix alloy materials'use temperature
Scope is promoted to 100 DEG C or so, and material hardness is promoted to 220HV or so.
Embodiment
With reference to embodiment, the present invention is described in detail.
A kind of aluminum-base composite powder body material of the present invention, includes following raw material components according to percentage by weight：25~30%
Nanometer SiC powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%.
Nano SiC powder material purity is not less than 99.9%, and granularity is 250~350nm.
AlSi10The purity of Mg powder body materials is not less than 99.9%, and granularity is 150~250 μm.
A kind of preparation method of aluminum-base composite powder body material, comprises the following steps：
Step 1, weighed according to percentage by weight following by vacuumizing receiving for the raw material components 25~30% being sealed
Rice SiC powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%；
In step 1, nano SiC powder material purity is not less than 99.9%, and granularity is 250~350nm；AlSi10Mg powders
The purity of material is not less than 99.9%, and granularity is 150~250 μm；
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing；
In step 2, drying and processing technique is：In argon atmosphere, 2-3 hours are incubated at 150~180 DEG C；
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes
Material, obtains aluminum-base composite powder body material；
In step 3, the abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1；
In step 3, the ball radius that ball mill uses includes Φ 6 and Φ 8, and abrading-ball ratio is：Φ6:Φ 8=1:2；
In step 3, the handling process of ball mill is：Under conditions of 250~350rpm of rotating speed, 20~25min is rotated forward, temporarily
Stop 3~5min, invert 20~25min, suspend 3~5min, Ball-milling Time is 5~6h.
Embodiment 1
A kind of preparation method of aluminum-base composite powder body material, using nano SiC granule as enhancing phase, comprise the following steps：
Step 1, the following nano SiC by vacuumizing the raw material components 25% being sealed is weighed according to percentage by weight
Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%；Wherein, AlSi10Mg powder body materials
Purity be not less than 99.9%, granularity be 250 μm；Nano SiC powder material purity is not less than 99.9%, granularity 150nm；
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing；Wherein, drying and processing
Technique is：In argon atmosphere, 2 hours are incubated at 150 DEG C；
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes
Material, obtains aluminum-base composite powder body material and vacuumizes to be sealed；Wherein, the handling process of ball mill is：In rotating speed 250rpm
Under conditions of, 20min is rotated forward, suspends 3min, inverts 20min, suspends 3min, so repeatedly rotating forward-pause-reversion-pause
Process, Ball-milling Time 5h；The abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1.
Embodiment 2
A kind of preparation method of aluminum-base composite powder body material, using nano SiC granule as enhancing phase, comprise the following steps：
Step 1, the following nano SiC by vacuumizing the raw material components 30% being sealed is weighed according to percentage by weight
Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%；Wherein, AlSi10Mg powder body materials
Purity be not less than 99.9%, granularity be 350 μm；Nano SiC powder material purity is not less than 99.9%, granularity 250nm；
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing；Wherein, drying and processing
Technique is：In argon atmosphere, 3 hours are incubated at 180 DEG C；
Step 3, the AlSi after step 1 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes
Material, obtains aluminum-base composite powder body material and vacuumizes to be sealed；Wherein, the handling process of ball mill is：In rotating speed 350rpm
Under conditions of, 25min is rotated forward, suspends 5min, inverts 25min, suspends 5min, so repeatedly rotating forward-pause-reversion-pause
Process, Ball-milling Time 6h；The abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1.
Embodiment 3
A kind of preparation method of aluminum-base composite powder body material, using nano SiC granule as enhancing phase, comprise the following steps：
Step 1, the following nano SiC by vacuumizing the raw material components 28% being sealed is weighed according to percentage by weight
Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%；Wherein, AlSi10Mg powder body materials
Purity be not less than 99.9%, granularity be 310 μm；Nano SiC powder material purity is not less than 99.9%, granularity 180nm；
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing；Wherein, drying and processing
Technique is：In argon atmosphere, 2 hours are incubated at 160 DEG C；
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes
Material, obtains aluminum-base composite powder body material and vacuumizes to be sealed；Wherein, the handling process of ball mill is：In rotating speed 280rpm
Under conditions of, 22min is rotated forward, suspends 4min, inverts 21min, suspends 4min, so repeatedly rotating forward-pause-reversion-pause
Process, Ball-milling Time 5h；The abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1.
Embodiment 4
A kind of preparation method of aluminum-base composite powder body material, using nano SiC granule as enhancing phase, comprise the following steps：
Step 1, the following nano SiC by vacuumizing the raw material components 26% being sealed is weighed according to percentage by weight
Powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%；Wherein, AlSi10Mg powder body materials
Purity be not less than 99.9%, granularity be 300 μm；Nano SiC powder material purity is not less than 99.9%, granularity 190nm；
Step 2, AlSi step 1 weighed10Mg powder and nanometer SiC powder carry out drying and processing；Wherein, drying and processing
Technique is：In argon atmosphere, 2 hours are incubated at 185 DEG C；
Step 3, the AlSi after step 2 is dried10Mg powder and nanometer SiC powder, which are added in ball mill, to carry out ball milling, mixes
Material, obtains aluminum-base composite powder body material and vacuumizes to be sealed；Wherein, the handling process of ball mill is：In rotating speed 305rpm
Under conditions of, rotate forward 23min, suspend 3.5min, invert 23min, suspend 3.5min, so repeatedly rotating forward-pause-reversion-temporarily
The process stopped, Ball-milling Time 5.5h；The abrading-ball that ball mill uses is stainless steel ball, ratio of grinding media to material 1:1.
Claims (7)
1. a kind of aluminum-base composite powder body material, it is characterised in that include following raw material components according to percentage by weight：25~30%
Nanometer SiC powder, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%；The nano SiC powder
Body material purity is not less than 99.9%, and granularity is 250~350nm；The AlSi10The purity of Mg powder body materials be not less than
99.9%, granularity is 150~250 μm.
2. a kind of preparation method of aluminum-base composite powder body material, it is characterised in that comprise the following steps：
1) the following nano SiC powder by vacuumizing the raw material components 25~30% being sealed is weighed according to percentage by weight
End, remaining is AlSi10Mg powder, above-mentioned each component percentage by weight sum are 100%；
2) AlSi for weighing step 1)10Mg powder and nanometer SiC powder carry out drying and processing；
3) AlSi after step 2) is dried10Mg powder and nanometer SiC powder, which add, carries out ball milling, batch mixing in ball mill, obtain
Aluminum-base composite powder body material.
3. the preparation method of aluminum-base composite powder body material according to claim 2, it is characterised in that described to receive in step 1
Rice SiC powder material purity is not less than 99.9%, and granularity is 250~350nm；The AlSi10The purity of Mg powder body materials is not
Less than 99.9%, granularity is 150~250 μm.
4. the preparation method of aluminum-base composite powder body material according to claim 3, it is characterised in that in step 2), drying
Handling process is：In argon atmosphere, 2-3 hours are incubated at 150~180 DEG C.
5. the preparation method of aluminum-base composite powder body material according to claim 4, it is characterised in that in step 3), ball milling
The abrading-ball that machine uses is stainless steel ball, ratio of grinding media to material 1:1.
6. the preparation method of aluminum-base composite powder body material according to claim 5, it is characterised in that in step 3), ball milling
The ball radius that machine uses includes Φ 6 and Φ 8, and abrading-ball ratio is：Φ6:Φ 8=1:2.
7. the preparation method of aluminum-base composite powder body material according to claim 6, it is characterised in that in step 3), ball milling
The handling process of machine is：Under conditions of 250~350rpm of rotating speed, 20~25min of rotating forward, 3~5min of pause, reversion 20~
25min, suspend 3~5min, Ball-milling Time is 5~6h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900877.XA CN107737918A (en) | 2017-09-28 | 2017-09-28 | A kind of aluminum-base composite powder body material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900877.XA CN107737918A (en) | 2017-09-28 | 2017-09-28 | A kind of aluminum-base composite powder body material and preparation method thereof |
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| CN107737918A true CN107737918A (en) | 2018-02-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672702A (en) * | 2018-05-21 | 2018-10-19 | 宁波市奇强精密冲件有限公司 | Damper knuckle support |
| CN112760529A (en) * | 2020-12-28 | 2021-05-07 | 昆山市超群金属制品有限公司 | Improved ADC6 aluminum alloy, preparation method thereof and application thereof in automobile parts |
-
2017
- 2017-09-28 CN CN201710900877.XA patent/CN107737918A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672702A (en) * | 2018-05-21 | 2018-10-19 | 宁波市奇强精密冲件有限公司 | Damper knuckle support |
| CN112760529A (en) * | 2020-12-28 | 2021-05-07 | 昆山市超群金属制品有限公司 | Improved ADC6 aluminum alloy, preparation method thereof and application thereof in automobile parts |
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Application publication date: 20180227 |