CN109868392A - A kind of aluminum matrix composite and preparation method thereof of Fe-based amorphous alloy enhancing - Google Patents
A kind of aluminum matrix composite and preparation method thereof of Fe-based amorphous alloy enhancing Download PDFInfo
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- CN109868392A CN109868392A CN201910193344.1A CN201910193344A CN109868392A CN 109868392 A CN109868392 A CN 109868392A CN 201910193344 A CN201910193344 A CN 201910193344A CN 109868392 A CN109868392 A CN 109868392A
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 82
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 43
- 239000011159 matrix material Substances 0.000 title claims abstract description 39
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 26
- 238000000498 ball milling Methods 0.000 claims description 25
- 239000004411 aluminium Substances 0.000 claims description 11
- 238000010792 warming Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 5
- 229910019752 Mg2Si Inorganic materials 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 4
- 238000005551 mechanical alloying Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 70
- 239000003223 protective agent Substances 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000011812 mixed powder Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 235000021355 Stearic acid Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- 229910001094 6061 aluminium alloy Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 240000006409 Acacia auriculiformis Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000010406 interfacial reaction Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The present invention relates to a kind of aluminum matrix composites and preparation method thereof of Fe-based amorphous alloy enhancing, belong to technical field of composite preparation.Using aluminium alloy as matrix, using Fe-based amorphous alloy as reinforcement, Fe-based amorphous alloy is uniformly dispersed in aluminium alloy；Fe-based amorphous alloy volume fraction is 5%~30% in the aluminum matrix composite of Fe-based amorphous alloy enhancing, and the volume fraction of aluminium alloy is 70%~95%；Fe-based amorphous alloy is Fe52Cr26Mo18B2C2 Fe-based amorphous alloy.For this aluminum matrix composite using aluminium alloy as matrix, Fe-based amorphous alloy is reinforcement, and reinforcement is uniformly dispersed, and with basal body interface bond strength height, interface state is good, and the consistency and hardness of composite material are high.
Description
Technical field
The present invention relates to a kind of aluminum matrix composites and preparation method thereof of Fe-based amorphous alloy enhancing, belong to composite material
Preparation technical field.
Background technique
Particle enhanced aluminum-based composite material has high specific strength, high ratio modulus, wearability and good stability of the dimension etc. excellent
Performance.As a kind of novel structural material, before the fields such as aerospace, automobile, the communications industry have a wide range of applications
Scape is also used as the additive of high grade paint.However, since particle enhanced aluminum-based composite material moulding and toughness are poor, this
Limit its application in terms of structural material.Its moulding and toughness are how improved, is always the target that researcher pursues.
Particle enhanced aluminum-based composite material is made of reinforced particulate and matrix, current widely applied reinforcement material
There are SiC, Al2O3Deng, because their density are low, elasticity modulus height.However these particles have disadvantages that as reinforcement, such as
Undesirable interfacial reaction can occur for the interface of matrix and reinforcement, so that interface is will appear stripping problem, and will cause composite wood
There is downward trend in consistency and mechanical property of material etc..
Compared with ceramic particle, amorphous alloy has high intensity, hardness, wearability, corrosion resistance, with basis material meeting
Good interface is formed, interface binding power can also enhance, and avoid the not good situation of above-mentioned interface cohesion.
Summary of the invention
For the above-mentioned problems of the prior art and deficiency, the present invention provides a kind of aluminium base of Fe-based amorphous alloy enhancing
Composite material and preparation method.For this aluminum matrix composite using aluminium alloy as matrix, Fe-based amorphous alloy is reinforcement, reinforcement
It is uniformly dispersed, with basal body interface bond strength height, interface state is good, and the consistency and hardness of composite material are high.The present invention passes through
Following technical scheme is realized.
A kind of aluminum matrix composite that Fe-based amorphous alloy enhances is to increase with Fe-based amorphous alloy using aluminium alloy as matrix
Qiang Ti, Fe-based amorphous alloy are uniformly dispersed in aluminium alloy；It is iron-based non-in the aluminum matrix composite of Fe-based amorphous alloy enhancing
Peritectic alloy volume fraction is 5%~30%, and the volume fraction of aluminium alloy is 70%~95%；Fe-based amorphous alloy is
Fe52Cr26Mo18B2C2 Fe-based amorphous alloy.
The aluminium alloy is with Mg2Si phase is the aluminium alloy of hardening constituent, and the trade mark of aluminium alloy is the aluminium alloy of 6XXX series.
The aluminium alloy can be replaced using fine aluminium.
A kind of aluminum matrix composite of Fe-based amorphous alloy enhancing comprising following steps:
Fe powder, Cr powder, Mo powder, B powder and C powder according to atomic ratio are that 52:26:18:2:2 is mixed by step 1, in inert gas and
Mechanical alloying is carried out under protectant protection, wherein ratio of grinding media to material is 30:1~15:1, revolving speed >=300rpm when ball milling, ball milling
100~200h obtains Fe52Cr26Mo18B2C2 Fe-based amorphous alloy；
Step 2, the Fe52Cr26Mo18B2C2 Fe-based amorphous alloy that step 1 is obtained and aluminium alloy carry out ball milling, wherein ball material
Than for 30:1~15:1, revolving speed >=200rpm when ball milling, 4~16h of ball milling obtain mixed material；
Step 3, the mixed material for obtaining step 2 are warming up under 723K~823K and keep the temperature under the conditions of pressure is 40~50Mpa
10~30min obtains the aluminum matrix composite of Fe-based amorphous alloy enhancing.
Above-mentioned Fe52Cr26Mo18B2C2 amorphous alloy can play the performance of composite material than the alloy of crystallization state
Better humidification.The initial crystallization temperature of Fe52Cr26Mo18B2C2 amorphous alloy of the invention is high (> 886K), thermostabilization
Property is good, and crystallization will not occur during the sintering process.
The beneficial effects of the present invention are:
(1) Fe-based amorphous alloy powder of the invention initial crystallization temperature with higher, excellent thermal stability, sintering temperature
Under crystallization do not occur and be able to maintain amorphous phase substantive characteristics, improve the performance of composite material.
(2) in composite material of the invention, Fe-based amorphous alloy particle and alloy matrix aluminum interface bond strength are high, interface
State is good, and Fe-based amorphous alloy particle is evenly distributed in the base, not easy to reunite, gained composite material consistency and mechanical property
Can be good, have the advantages that high-intensitive, high rigidity.
(3) operation of the present invention is simple, preparation process temperature is low, can be made compound by simple hot-pressing sintering technique
Material avoids the generation of unfavorable interfacial chemical reaction and the formation of brittlement phase, realizes the same of composite material strength and hardness
Shi Tigao and preparation process is simple, at low cost, stability is good.
Detailed description of the invention
Fig. 1 is the XRD spectrum for the Fe52Cr26Mo18B2C2 Fe-based amorphous alloy that the embodiment of the present invention 1 is prepared；
Fig. 2 is the Fe52Cr26Mo18B2C2 Fe-based amorphous alloy DSC figure that the present invention applies that example 1 is prepared；
Fig. 3 is the aluminum matrix composite that the present invention applies the Fe52Cr26Mo18B2C2 Fe-based amorphous alloy enhancing that example 1 is prepared
Metallographic microscope.
Specific embodiment
With reference to the accompanying drawings and detailed description, the invention will be further described.
Embodiment 1
The aluminum matrix composite of Fe-based amorphous alloy enhancing, using aluminium alloy as matrix, using Fe-based amorphous alloy as reinforcement, iron
Base noncrystal alloy is uniformly dispersed in aluminium alloy；Fe-based amorphous alloy body in the aluminum matrix composite of Fe-based amorphous alloy enhancing
Fraction is 5%, and the volume fraction of aluminium alloy is 95%；Fe-based amorphous alloy is Fe52Cr26Mo18B2C2 Fe-based amorphous alloy；
Aluminium alloy is with Mg2Si phase is the aluminium alloy of hardening constituent, and the trade mark of aluminium alloy is 6061 aluminium alloys.
The aluminum matrix composite of Fe-based amorphous alloy enhancing comprising following steps:
Fe powder, Cr powder, Mo powder, B powder and C powder are mixed to get mixed powder according to atomic ratio for 52:26:18:2:2 by step 1,
Under the protection of inert gas and protective agent (protective agent is stearic acid, and the protective agent of mixed powder quality 1.5% is added into mixed powder)
Mechanical alloying is carried out, wherein ratio of grinding media to material is 30:1, and revolving speed when ball milling is 300rpm, and ball milling 100h is obtained
Fe52Cr26Mo18B2C2 Fe-based amorphous alloy；The XRD spectrum of Fe52Cr26Mo18B2C2 Fe-based amorphous alloy as shown in Figure 1,
As can be seen from Figure 1 Fe52Cr26Mo18B2C2 Fe-based amorphous alloy is amorphous phase；Fe52Cr26Mo18B2C2 is Fe-based amorphous
Alloy DSC schemes as shown in Fig. 2, as can be seen from Figure 2 the initial crystallization temperature of Fe52Cr26Mo18B2C2 Fe-based amorphous alloy is
886K；
Step 2, the Fe52Cr26Mo18B2C2 Fe-based amorphous alloy that step 1 is obtained and ball milling, wherein ball are carried out with aluminium alloy
For material than being 30:1, revolving speed when ball milling is 200rpm, ball milling 4h, obtains mixed material；
Step 3, the mixed material for obtaining step 2 are warming up under the conditions of pressure is 50Mpa with 50K/min heating rate
Then 623K is warming up to 723K again with 10K/min heating rate, then keeps the temperature 10min, obtain the aluminium base of Fe-based amorphous alloy enhancing
Composite material.
The aluminum matrix composite metallograph map such as Fig. 3 institute for the Fe-based amorphous alloy enhancing that the present embodiment is prepared
Show, as can be seen from Figure 3 composite material has typical metallic luster, and Fe-based amorphous alloy is evengranular to be distributed in aluminium conjunction
In auri body.
Embodiment 2
The aluminum matrix composite of Fe-based amorphous alloy enhancing, using aluminium alloy as matrix, using Fe-based amorphous alloy as reinforcement, iron
Base noncrystal alloy is uniformly dispersed in aluminium alloy；Fe-based amorphous alloy body in the aluminum matrix composite of Fe-based amorphous alloy enhancing
Fraction is 30%, and the volume fraction of aluminium alloy is 70%；Fe-based amorphous alloy is Fe52Cr26Mo18B2C2 Fe-based amorphous alloy；
Aluminium alloy is with Mg2Si phase is the aluminium alloy of hardening constituent, and the trade mark of aluminium alloy is 6061 aluminium alloys.
The aluminum matrix composite of Fe-based amorphous alloy enhancing comprising following steps:
Fe powder, Cr powder, Mo powder, B powder and C powder according to atomic ratio are that 52:26:18:2:2 is mixed by step 1, in inert gas and
Mechanical conjunction is carried out under the protection of protective agent (protective agent is stearic acid, and the protective agent of mixed powder quality 1.5% is added into mixed powder)
Aurification, wherein ratio of grinding media to material is 15:1, and revolving speed when ball milling is 400rpm, and it is iron-based to obtain Fe52Cr26Mo18B2C2 by ball milling 200h
Amorphous alloy；
Step 2, the Fe52Cr26Mo18B2C2 Fe-based amorphous alloy that step 1 is obtained and ball milling, wherein ball are carried out with aluminium alloy
For material than being 15:1, revolving speed when ball milling is 300rpm, ball milling 16h, obtains mixed material；
Step 3, the mixed material for obtaining step 2 are warming up under the conditions of pressure is 40Mpa with 50K/min heating rate
Then 623K is warming up to 823K again with 10K/min heating rate, then keeps the temperature 30min, obtain the aluminium base of Fe-based amorphous alloy enhancing
Composite material.
Embodiment 3
The aluminum matrix composite of Fe-based amorphous alloy enhancing, it is iron-based using Fe-based amorphous alloy as reinforcement using fine aluminium as matrix
Amorphous alloy is uniformly dispersed in fine aluminium；Fe-based amorphous alloy volume point in the aluminum matrix composite of Fe-based amorphous alloy enhancing
Number is 20%, and the volume fraction of fine aluminium is 80%；Fe-based amorphous alloy is Fe52Cr26Mo18B2C2 Fe-based amorphous alloy.
The aluminum matrix composite of Fe-based amorphous alloy enhancing comprising following steps:
Fe powder, Cr powder, Mo powder, B powder and C powder according to atomic ratio are that 52:26:18:2:2 is mixed by step 1, in inert gas and
Mechanical conjunction is carried out under the protection of protective agent (protective agent is stearic acid, and the protective agent of mixed powder quality 1.5% is added into mixed powder)
Aurification, wherein ratio of grinding media to material is 25:1, and revolving speed when ball milling is 600rpm, and it is iron-based to obtain Fe52Cr26Mo18B2C2 by ball milling 150h
Amorphous alloy；
Step 2, the Fe52Cr26Mo18B2C2 Fe-based amorphous alloy that step 1 is obtained and ball milling, wherein ball material are carried out with fine aluminium
Than for 25:1, revolving speed when ball milling is 350rpm, and ball milling 12h obtains mixed material；
Step 3, the mixed material for obtaining step 2 are warming up under the conditions of pressure is 45Mpa with 50K/min heating rate
Then 623K is warming up to 783K again with 10K/min heating rate, then keeps the temperature 20min, obtain the aluminium base of Fe-based amorphous alloy enhancing
Composite material.
In conjunction with attached drawing, the embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned
Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (4)
1. a kind of aluminum matrix composite of Fe-based amorphous alloy enhancing, it is characterised in that: using aluminium alloy as matrix, with Fe-based amorphous
Alloy is reinforcement, and Fe-based amorphous alloy is uniformly dispersed in aluminium alloy；The aluminum matrix composite of Fe-based amorphous alloy enhancing
Middle Fe-based amorphous alloy volume fraction is 5%~30%, and the volume fraction of aluminium alloy is 70%~95%；Fe-based amorphous alloy is
Fe52Cr26Mo18B2C2 Fe-based amorphous alloy.
2. the aluminum matrix composite of Fe-based amorphous alloy enhancing according to claim 1, it is characterised in that: the aluminium alloy
For with Mg2Si phase is the aluminium alloy of hardening constituent.
3. the aluminum matrix composite of Fe-based amorphous alloy enhancing according to claim 1, it is characterised in that: the aluminium alloy
It can be replaced using fine aluminium.
4. a kind of according to claim 1 to the aluminum matrix composite that Fe-based amorphous alloy described in 3 any one enhances, feature
Be the following steps are included:
Fe powder, Cr powder, Mo powder, B powder and C powder according to atomic ratio are that 52:26:18:2:2 is mixed by step 1, in inert gas and
Mechanical alloying is carried out under protectant protection, wherein ratio of grinding media to material is 30:1~15:1, revolving speed >=300rpm when ball milling, ball milling
100~200h obtains Fe52Cr26Mo18B2C2 Fe-based amorphous alloy；
Step 2, the Fe52Cr26Mo18B2C2 Fe-based amorphous alloy that step 1 is obtained and aluminium alloy carry out ball milling, wherein ball material
Than for 30:1~15:1, revolving speed >=200rpm when ball milling, 4~16h of ball milling obtain mixed material；
Step 3, the mixed material for obtaining step 2 are warming up under 723K~823K and keep the temperature under the conditions of pressure is 40~50Mpa
10~30min obtains the aluminum matrix composite of Fe-based amorphous alloy enhancing.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763042A (en) * | 2019-03-27 | 2019-05-17 | 南通巨升非晶科技有限公司 | A kind of composite material and preparation method of amorphous alloy enhancing |
| CN112916867A (en) * | 2021-01-13 | 2021-06-08 | 中国科学院金属研究所 | Photocuring 3D printing nanoparticle reinforced metal piece and preparation method thereof |
| US11427902B2 (en) * | 2019-09-19 | 2022-08-30 | Cornerstone Intellectual Property, Llc | Additive manufacturing of iron-based amorphous metal alloys |
| CN115233119A (en) * | 2022-06-22 | 2022-10-25 | 昆明理工大学 | Amorphous alloy reinforced and toughened aluminum-based composite material and preparation method thereof |
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| US12084753B2 (en) * | 2022-06-22 | 2024-09-10 | Kunming University Of Science And Technology | Amorphous alloy-reinforced and toughened aluminum matrix composite and preparation method thereof |
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