CN109913706A - A kind of hot pressing for aluminum silicon carbide composite material method - Google Patents
A kind of hot pressing for aluminum silicon carbide composite material method Download PDFInfo
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Abstract
The present invention relates to a kind of method that vacuum hotpressing prepares aluminum silicon carbide composite material, the composite material by following proportions material composition: volume fraction be 10 ~ 40% silicon carbide, surplus is aluminium alloy.The composite material is prepared using vacuum hot-pressing, is shaped and is made by ingredient, baking powder, mixed powder, vacuum hotpressing.Composite material of the invention has many advantages, such as small density, light-weight, high rigidity, high-flexural strength, high crocking resistance, high fatigue strength, it is made to have broad application prospects in structural member field.
Description
Technical field
The present invention relates to a kind of aluminum silicon carbide composite material of pressure sintering preparation and its applications.
Background technique
Aluminium silicon carbide is a kind of metal-base composites, not only has the characteristics that thermal conductivity height, the good toughness of aluminum substrate, also
The advantage of silicon carbide ceramics has been merged, has had low thermal coefficient of expansion, high rigidity, high intensity and good crocking resistance etc. excellent
Point, and density of material is small, light-weight, has good fatigue resistance, suitable for some structural members with particular/special requirement
Or the fields such as structural member for particular job environment.
This past decades for the structure and performance of reinforced composite material, have developed a series of particles in the world
The preparation method of reinforced aluminum matrix composites, according to the temperature of matrix in preparation process preparation process can be divided into liquid phase process,
Liquid process and liquid-solid two-phase technique.It is representative, include: stirring casting method, vacuum pressure using wider preparation method
Infiltration, squeeze casting method etc., these methods have the advantages that it is respective, but simultaneously disadvantage also clearly, if wetability is poor, enhancing
Compatible easy to reunite and aggregation, there may be field trashes to be mixed into preparation process, can only prepare the composite material compared with low volume fraction.
Compared to the above several method, powder metallurgic method is to belong to the method for solid phase preparation, directly using powder as raw material
The forming for carrying out composite material, thus can more easily change the accounting of reinforced phase in composite material, and component ratio is quasi-
It is true and easy to control；And sintering temperature used in powder metallurgic method is lower, can effectively reduce the interface of matrix and reinforced phase
Reaction, thus prepare resulting composite material have outstanding mechanical property, and the method for powder metallurgy also ensure it is obtained
Composite material in reinforced phase be evenly distributed, crystal grain it is thinner.
CN105924178A discloses a kind of method that pressure permeation method prepares aluminum silicon carbide composite material, and powder is filled out
It is charged in mold, in the forming under the pressure of 10Mpa, forms nearly molding biscuit.It will be sintered after mold jacket encapsulation with biscuit, element
Base forms prefabricated component.By the mold jacket encapsulation leaching aluminium equipped with prefabricated component, aluminum silicon carbide composite material is made.The preparation of this method
Paraffin microemulsion is not added in raw material, and reduces the amount of aluminium dihydrogen phosphate, the gap of biscuit is high, and the aluminium volume of composite material is made
Score is big, improves thermal conductivity, and simplify process route, saves cost, is suitble to large-scale production.But there are carbon for this method
Silicon carbide particle aggregation, reinforced phase is unevenly distributed, there are anisotropy for material, and then it is high-end with performance to influence its.
CN104264000A discloses a kind of powder metallurgic method and prepares graphene enhancing aluminium silicon carbide Electronic Packaging composite wood
The method of material includes the following steps: 1) to impregnate reinforcement particle with strong acid solution, then is cleaned with deionized water to neutrality, goes
Except surface impurity, the reinforcement particle being activated is made in drying；2) the reinforcement particle of activation processing is added to graphene
In dispersion liquid, the modified enhancing of graphene is made in its surface coated graphite alkene nanometer sheet by mechanical stirring or ultrasonic disperse
Body particle；3) the modified reinforcement particle of graphene is mixed with aluminum substrate powder, by green compact and sintering, obtained graphene changes
The high thermal conductivity aluminum matrix composite of property.Composite material surface made from this method has isotropic, gas hole defect rich in gloss
Less, enhancing phase volume fraction is easy to change, is easy to regulate and control the advantages that performance of composite material.But strong acid need to be used, it is hidden to there is safety
Trouble and environmental issue.
CN105803236A discloses a kind of aluminum matrix composite and preparation method thereof of amorphous alloy enhancing, the composite wood
Material is using al based amorphous alloy as reinforcement, and using aluminium alloy as matrix, al based amorphous alloy is uniformly dispersed in aluminium alloy.This hair
It is bright it is easy to operate, preparation process temperature is low, composite material can be made by simple hot-pressing sintering technique.Aluminium-based amorphous alloy closes
Gold is high with alloy matrix aluminum interface bond strength, and interface state is good, and al based amorphous alloy particle is evenly distributed in the base, is not easy
Reunite, gained composite material consistency and good mechanical properties have the advantages that high-intensitive, high rigidity.
Summary of the invention
The purpose of the present invention is to provide a kind of hot pressings for the method for aluminum silicon carbide composite material, which is characterized in that institute
Composite material is stated by the material composition of following proportions: the silicon carbide of 10~40vol%, surplus are aluminium alloy.
In the preferred technical solution of the present invention, the content of the silicon carbide is 10-40%, preferably 10-30%, more preferably
For 15-20%.
In the preferred technical solution of the present invention, the content of SiC is not less than 97% in the silicon carbide, and preferred content is not less than
98%, more desirably not less than 99%.
In the preferred technical solution of the present invention, the group of the silicon carbide becomes, and the content of SiC is > 99%, and the content of C is
< 0.2%, Fe2O3Content be < 0.2%.
In the preferred technical solution of the present invention, the silicon carbide is powdery, and being worth partial size preferably wherein is 3~30 μm, more excellent
It is selected as 8-25 μm, also preferably 10-20 μm.
In the preferred technical solution of the present invention, the aluminium alloy is powdery, and being worth partial size preferably wherein is 5~90 μm, more excellent
It is selected as 10-80 μm, also preferably 20-70 μm, another preferably 30-60 μm.
In the preferred technical solution of the present invention, the composition (mass fraction) of the aluminium alloy is Cu 3.2~4.4%,
Mg.1.0~1.6%, Zn≤0.1%, Fe≤0.05%, Si≤0.25%, O≤0.1%, the single content of remaining element≤
0.05%, remaining element adds up to total content≤0.15%.
Another object of the present invention is to provide a kind of aluminum silicon carbide composite materials of pressure sintering preparation, which is characterized in that
The composite material by following proportions material composition: the silicon carbide of 10~40vol%, surplus are aluminium alloy, then through ingredient, dry
Powder, mixed powder, vacuum hotpressing forming processing are made.
In the preferred technical solution of the present invention, the content of the silicon carbide is 10-40vol%, preferably 15-30vol%,
More preferably 15-25vol%.
In the preferred technical solution of the present invention, the content of SiC is not less than 97% in the silicon carbide, and preferred content is not less than
98%, more desirably not less than 99%.
In the preferred technical solution of the present invention, the group of the silicon carbide becomes, and the content of SiC is the content of 99.21%, C
Content for 0.11%, Fe2O3 is 0.13%.
In the preferred technical solution of the present invention, the silicon carbide is powdery, and being worth partial size preferably wherein is 3~40 μm, more excellent
It is selected as 8-30 μm, also preferably 15-20 μm.
In the preferred technical solution of the present invention, the aluminium alloy is powdery, and being worth partial size preferably wherein is 5~90 μm, more excellent
It is selected as 15-80 μm, also preferably 25-70 μm, also preferably 35-60 μm.
In the preferred technical solution of the present invention, the group of the aluminium alloy becomes Cu 3.2~4.4%, Mg 1.0~1.6%,
Zn≤0.1%, Fe≤0.05%, Si≤0.25%, O≤0.1%, single content≤0.05% of remaining element, remaining element close
Count total content≤0.15%.
In the preferred technical solution of the present invention, the ingredient processing weighs or measures respectively the desired amount of silicon carbide, aluminium
Alloy.
It is 75- by the revolution that Al alloy powder and carborundum powder high-speed uniform mix in the preferred technical solution of the present invention
500rpm, more preferably 100-400rpm, also preferably 200-400rpm.
In the preferred technical solution of the present invention, leads to nitrogen in mixed powder treatment process and protected, nitrogen pressure 0.1-
0.5MPa, more preferably 0.1-0.4MPa, also preferably 0.15-0.35MPa.Continue ventilation after mixed powder until temperature is down to
Room temperature, powder, packs spare out.
In the preferred technical solution of the present invention, drying powder object is aluminium powder and silicon carbide, and the baking powder temperature of silicon carbide is
120-200 DEG C, preferably 150-180 DEG C；The baking powder temperature of aluminium powder is 40~80 DEG C, preferably 50~60 DEG C.
In the preferred technical solution of the present invention, the treatment temperature in the vacuum hotpressing forming processing is 400-700 DEG C, excellent
It is selected as 450-680 DEG C, more preferably 450-650 DEG C, also preferably 500-650 DEG C.
In the preferred technical solution of the present invention, the processing pressure in the vacuum hotpressing forming processing is 20-80t, preferably
For 30-60t, also preferably 35-55t.
In the preferred technical solution of the present invention, 1-5h, preferably 2-4h are kept the temperature in the vacuum hotpressing forming processing.
The present invention prepares aluminum silicon carbide composite material using vacuum hot-pressing, first carries out high temperature drying and processing to silicon carbide,
Aluminium silicon carbide mixed powder is made in high-speed uniform hybrid silicon carbide powder and Al alloy powder；Again after vacuum hotpressing forming processing, it is made
The composite material billet of aluminium silicon carbide.
The purpose of the present invention is to provide aluminum matrix composites of the invention to be used to make answering in structural member or its product
With.
In the preferred technical solution of the present invention, the structural member is selected from heat resistanceheat resistant deformation structure part, abrasion-proof structure, lightweight
Any one of aerospace structure part, robot architecture's part.
In order to clearly state protection scope of the present invention, the present invention defines following terms as follows.
Median particle diameter measures powder granularity D50 value with laser particle analyzer to measure, and indicates the powder in powder in median particle diameter
Last quantity accounts for the 50% of powder total amount.
Rpm (round per minute) indicates revolutions per minute.
Tensile strength, yield strength, elongation of aluminum silicon carbide composite material of the present invention etc. are marked referring to GB/T228-2002
Quasi- regulation is detected.
Compared with prior art, the present invention prepares aluminum silicon carbide composite material, high-speed uniform mixing using vacuum hot-pressing
Al alloy powder and the carborundum powder dried by high temperature, are made aluminium silicon carbide mixed powder；Aluminium carbon is made through vacuum hotpressing in composite powder
The composite material billet of SiClx.This method not only solves reinforced phase by mixed-powder and vacuum hotpressing means direct forming
The problem of segregation, so that silicon carbide obtains more uniformly being distributed in the matrix of composite material, and simplifies production technology, tool
Have the advantages that easy to operate.
Using another significant advantage of the invention is using metallic aluminium as matrix, and silicon carbide is particulates reinforcements, is being improved
There is high-ductility, high-ductility without composite material made from its metallic character (such as ductility) of destroying infection on the basis of the strength of materials
Property, the advantages that density is small, light-weight, high rigidity, high-flexural strength, and there is excellent intensity, hardness, modulus, wear-and corrosion-resistant
Performance, fatigue resistance, and its surface appearance is excellent, improves the subsequent mechanical processing of material, and is easy to control reinforced phase
Volume fraction variation, and then the performance of composite material is adjusted, it is used as and prepares high-end structural member.
It is without carrying out strong acid treatment, ball milling dispersion mixing, the infiltration of high temperature aluminum hydraulic coupling using another benefit of the invention
Deng processing, aluminum silicon carbide composite material obtained is had excellent performance, and with the operation cycle is short, the three wastes are few, environmentally protective, operation peace
The advantages that complete easy, is conducive to industrial scale and produces.
Specific embodiment
The present invention is illustrated below with reference to embodiment, the embodiment of the present invention is merely to illustrate technical side of the invention
Case, and non-limiting essence of the invention.
In order to have the understanding being more clear to the technical features, objects and effects of the invention, what now the present invention will be described in detail
Specific embodiment:
Prepared in the present invention each embodiment below aluminum silicon carbide composite material it is raw materials used be it is identical, group becomes
Silicon carbide (median particle diameter is 15 μm) 0.35kg and 2009 line aluminium alloy powder (median particle diameter is 25 μm) 1.65kg
Embodiment 1:
A kind of preparation method of aluminum silicon carbide composite material, includes the following steps:
1) 1.65kg Al alloy powder and 0.35kg silicon carbide are weighed, and drying and processing is carried out to powder.
2) aluminium powder and silicon carbide are sequentially placed into batch mixer, 200rpm mixing 240min obtains aluminium silicon carbide mixed powder；
3) upper step mixed powder is packed into the stainless steel mould that internal diameter is Φ 100mm, mold is transferred to vacuum hotpressing stove, and take out
Vacuum；
4) it after vacuum degree reaches requirement, starts to warm up, about 2h is kept the temperature at 350 DEG C, to guarantee certain vacuum degree, after of continuing rising
Temperature starts to incrementally increase pressure applied to keeping the temperature after 500 DEG C；Pressure reaches 20 ton hours, pressure maintaining 2.5h.Subsequent furnace is cold, takes
Mold out；
5) side surface of billet, bottom surface, upper bottom surface are machined out respectively.Billet quality after Vehicle Processing is 1.506kg,
Having a size of
6) axially and radially cutting respectively along billetStandard tensile specimen stick tests mechanical property.
Embodiment 2:
A kind of preparation method of aluminum silicon carbide composite material, includes the following steps:
1) 1.65kg Al alloy powder and 0.35kg silicon carbide are weighed, and drying and processing is carried out to powder.
2) aluminium powder and silicon carbide are sequentially placed into batch mixer, 200rpm mixing 240min obtains aluminium silicon carbide mixed powder；
3) upper step mixed powder is packed into the stainless steel mould that internal diameter is Φ 100mm, mold is transferred to vacuum hotpressing stove, and take out
Vacuum；
4) it after vacuum degree reaches requirement, starts to warm up, about 2h is kept the temperature at 350 DEG C, to guarantee certain vacuum degree, after of continuing rising
Temperature starts to incrementally increase pressure applied to keeping the temperature after 500 DEG C；Pressure reaches 30 ton hours, pressure maintaining 2.5h.Subsequent furnace is cold, takes
Mold out；
5) side surface of billet, bottom surface, upper bottom surface are machined out respectively.Billet quality after machining is 1.97kg,
Having a size of
6) axially and radially cutting respectively along billetStandard tensile specimen stick tests mechanical property.
Embodiment 3:
A kind of preparation method of aluminum silicon carbide composite material, includes the following steps:
1) 1.65kg Al alloy powder and 0.35kg silicon carbide are weighed, and drying and processing is carried out to powder.
2) aluminium powder and silicon carbide are sequentially placed into batch mixer, 200rpm mixing 240min obtains aluminium silicon carbide mixed powder；
3) upper step mixed powder is packed into the stainless steel mould that internal diameter is Φ 100mm, mold is transferred to vacuum hotpressing stove, and take out
Vacuum；
4) it after vacuum degree reaches requirement, starts to warm up, about 2h is kept the temperature at 350 DEG C, to guarantee certain vacuum degree, after of continuing rising
Temperature starts to incrementally increase pressure applied to keeping the temperature after 500 DEG C；Pressure reaches 40 ton hours, pressure maintaining 2.5h.Subsequent furnace is cold, takes
Mold out；
5) side surface of billet, bottom surface, upper bottom surface are machined out respectively.Billet quality after machining is 1.896kg,
Having a size of
6) axially and radially cutting respectively along billetStandard tensile specimen stick tests mechanical property.
Embodiment 4:
A kind of preparation method of aluminum silicon carbide composite material, includes the following steps:
1) 1.65kg Al alloy powder and 0.35kg silicon carbide are weighed, and drying and processing is carried out to powder.
2) aluminium powder and silicon carbide are sequentially placed into batch mixer, 200rpm mixing 240min obtains aluminium silicon carbide mixed powder；
3) upper step mixed powder is packed into the stainless steel mould that internal diameter is Φ 100mm, mold is transferred to vacuum hotpressing stove, and take out
Vacuum；
4) it after vacuum degree reaches requirement, starts to warm up, about 2h is kept the temperature at 350 DEG C, to guarantee certain vacuum degree, after of continuing rising
Temperature starts to incrementally increase pressure applied to keeping the temperature after 600 DEG C；Pressure reaches 40 ton hours, pressure maintaining 2.5h.Subsequent furnace is cold, takes
Mold out；
5) side surface of billet, bottom surface, upper bottom surface are machined out respectively.Billet quality after machining is 1.896kg,
Having a size of
6) axially and radially cutting respectively along billetStandard tensile specimen stick tests mechanical property.
Embodiment 5:
A kind of preparation method of aluminum silicon carbide composite material, includes the following steps:
1) 1.65kg Al alloy powder and 0.35kg silicon carbide are weighed, and drying and processing is carried out to powder.
2) aluminium powder and silicon carbide are sequentially placed into batch mixer, 200rpm mixing 240min obtains aluminium silicon carbide mixed powder；
3) upper step mixed powder is packed into the stainless steel mould that internal diameter is Φ 100mm, mold is transferred to vacuum hotpressing stove, and take out
Vacuum；
4) it after vacuum degree reaches requirement, starts to warm up, about 2h is kept the temperature at 350 DEG C, to guarantee certain vacuum degree, after of continuing rising
Temperature starts to incrementally increase pressure applied to keeping the temperature after 620 DEG C；Pressure reaches 40 ton hours, pressure maintaining 2.5h.Subsequent furnace is cold, takes
Mold out；
5) side surface of billet, bottom surface, upper bottom surface are machined out respectively.Billet quality after machining is 1.896kg,
Having a size of
6) axially and radially cutting respectively along billetStandard tensile specimen stick tests mechanical property.
Embodiment 6:
A kind of preparation method of aluminum silicon carbide composite material, includes the following steps:
1) 1.65kg Al alloy powder and 0.35kg silicon carbide are weighed, and drying and processing is carried out to powder.
2) aluminium powder and silicon carbide are sequentially placed into batch mixer, 200rpm mixing 240min obtains aluminium silicon carbide mixed powder；
3) upper step mixed powder is packed into the stainless steel mould that internal diameter is Φ 100mm, mold is transferred to vacuum hotpressing stove, and take out
Vacuum；
4) it after vacuum degree reaches requirement, starts to warm up, about 2h is kept the temperature at 350 DEG C, to guarantee certain vacuum degree, after of continuing rising
Temperature starts to incrementally increase pressure applied to keeping the temperature after 640 DEG C；Pressure reaches 40 ton hours, pressure maintaining 2.5h.Subsequent furnace is cold, takes
Mold out；
5) side surface of billet, bottom surface, upper bottom surface are machined out respectively.Billet quality after machining is 1.736kg,
Having a size of
6) axially and radially cutting respectively along billetStandard tensile specimen stick tests mechanical property.
Mechanics Performance Testing, the mainly tensile property, tired of detection material are carried out to aluminium silicon carbide material obtained above
Labor intensity and coefficient of friction, by the mechanical property of the material of comparison different condition preparation, available material forming is most
Good condition.
Aluminum silicon carbide composite material the performance test results made from above-described embodiment are as follows:
By Examples 1 to 6 as it can be seen that in the present invention raising of hot pressing pressure and hot pressing temperature can significantly improve composite wood
The performance of material.When thermal pressure is increased to 40t, at 620 DEG C or so, composite property is promoted relatively more excellent hot pressing temperature.
Comparative analysis Examples 1 to 3 is as it can be seen that under identical hot pressing temperature, with the raising of hot pressing pressure, composite wood obtained
The mechanical property of material has raising by a small margin.
Comparative analysis embodiment 3~6 is as it can be seen that under identical hot pressing pressure, with the raising of hot pressing temperature, composite wood obtained
The mechanical property of material is significantly improved, and the amplitude improved is slightly larger than the influence of hot pressing pressure.
Comparative analysis Examples 1 to 6 as it can be seen that with hot pressing pressure and hot pressing temperature raising, the fatigue resistance of material and
Frictional behaviour also improves, but its amplitude of variation is significantly less than the variation of mechanical property.And at 40 tons of hot pressing pressure, heat
Press temperature at 620 DEG C or so, the fatigue resistance and frictional behaviour of material reach peak value, and the variation of this and mechanical property is also
Phase unification.
The above are preferred embodiments of the invention, but implementation of the invention is not limited to examples detailed above.Those skilled in the art read
It is any for modifications and substitutions of the invention after above content, it can all considered to be in claim of the invention and limit model
In enclosing.
Claims (18)
1. a kind of aluminum silicon carbide composite material, which is characterized in that the composite material by following proportions material composition: 10 ~
The silicon carbide of 40vol%, surplus are aluminium alloy.
2. aluminum silicon carbide composite material according to claim 1, the content of silicon carbide is 10- in the composite material
40vol %, preferably 10-30 vol %, more preferably 15-20 vol %.
3. aluminum silicon carbide composite material according to claim 1 or 2, in the composite material in silicon carbide SiC content
Not less than 97%, preferred content is not less than 98%, more desirably not less than 99%.
4. aluminum silicon carbide composite material according to claim 1-3, the composition of silicon carbide in the composite material
For the content of SiC is 99 % of >, and the content of C is < 0.2%, and the content of Fe2O3 is < 0.2%.
5. aluminum silicon carbide composite material according to claim 1-4, silicon carbide is powdery in the composite material,
Value partial size is 3 ~ 30 μm preferably wherein, more preferably 8-25 μm, also preferably 10-20 μm.
6. aluminum silicon carbide composite material according to claim 1-5, aluminium alloy is powdery in the composite material,
Value partial size is 5 ~ 90 μm preferably wherein, more preferably 10-80 μm, also preferably 20-70 μm, another preferably 30-60 μm.
7. aluminum silicon carbide composite material according to claim 1-6, the composition of aluminium alloy in the composite material
(mass fraction) is Cu 3.2 ~ 4.4%, Mg 1.0 ~ 1.6%, Zn≤0.1%, Fe≤0.05%, Si≤0.25%, O≤0.
1%, single content≤0.05% of remaining element, remaining element adds up to total content≤0.15%.
8. a kind of preparation method of the described in any item aluminum silicon carbide composite materials of claim 1-7, the composite material is under
The material composition of proportion: the silicon carbide of 10 ~ 40vol% is stated, surplus is aluminium alloy, and the composite material is using in powder metallurgy
Vacuum hot-pressing is made through ingredient, baking powder, mixed powder, vacuum hotpressing.
9. preparation method according to claim 8, the baking powder object for drying powder processing is aluminium powder and silicon carbide, silicon carbide
The baking powder temperature be 120-200 DEG C, preferably 150-180 DEG C；The baking powder temperature of aluminium powder is 40 ~ 80 DEG C, preferably
50~60℃。
10. preparation method according to claim 8, the mixed powder uniformly mixes Al alloy powder and carborundum powder in handling
The revolution of conjunction is 75-500rpm, more preferably 100-400rpm, also preferably 200-400rpm.
11. leading to nitrogen according to preparation method described in claim 8-10, in the mixed powder treatment process to be protected, nitrogen pressure
Power is 0.1-0.5MPa, more preferably 0.1-0.4MPa, also preferably 0.15-0.35MPa.
12. preparation method according to claim 8, the treatment temperature in the vacuum hotpressing forming processing is 400-700
DEG C, preferably 450-680 DEG C, more preferably 450-650 DEG C, also preferably 500-650 DEG C.
13. preparation method according to claim 8, the processing pressure in the vacuum hotpressing forming processing is 20-80 t
, preferably 30-60t, also preferably 35-55t.
14. preparation method according to claim 8, the heat-insulation pressure keeping time in the vacuum hotpressing forming processing is 1-
5h, preferably 2-4h.
15. according to the described in any item preparation methods of claim 8-14, in the vacuum hotpressing, by aluminium silicon carbide powder obtained
Body is fitted into stainless steel mould, carries out vacuum hotpressing processing, wherein the vacuum hotpressing processing includes the following steps:
1) mold is transferred to vacuum hotpressing machine, and starts to vacuumize；
2) after vacuum degree reaches requirement, it is warming up to 400-700 DEG C, starts to pressurize after vacustat；
3) pressure is improved to 20-80t, and heat-insulation pressure keeping keeps the temperature 1-5 hours；
4) it cools to room temperature with the furnace, takes out mold.
16. according to the described in any item preparation methods of claim 8-15, the upper surface vehicle for the mold base that vacuum hotpressing uses
Symmetrical 8 air discharge duct is gone out, wide 5 mm, deep 1 mm, pedestal is not directly contacted with powder, pressure head and powder, but covers one
500 mesh stainless steel mesh of layer.
17. aluminum silicon carbide composite material described in claim 1-16 is used to make the application in structural member or its product.
18. application according to claim 17, the structural member is selected from heat resistanceheat resistant deformation structure part, abrasion-proof structure.
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| CN110216288A (en) * | 2019-07-03 | 2019-09-10 | 江西宝航新材料有限公司 | A method of the printing of aluminum silicon carbide composite material silk material is carried out by electric arc increasing material manufacturing |
| CN112813312A (en) * | 2020-12-25 | 2021-05-18 | 西安交通大学 | Boron phosphide-filled aluminum-based heat management material and preparation method thereof |
| CN115637354A (en) * | 2022-09-16 | 2023-01-24 | 湖南省大禹科技发展有限公司 | Forming method and forming equipment for rare earth aluminum carbon silicon brake disc |
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| CN115637354A (en) * | 2022-09-16 | 2023-01-24 | 湖南省大禹科技发展有限公司 | Forming method and forming equipment for rare earth aluminum carbon silicon brake disc |
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