CN105803236B - A kind of aluminum matrix composite of non-crystaline amorphous metal enhancing and preparation method thereof - Google Patents
A kind of aluminum matrix composite of non-crystaline amorphous metal enhancing and preparation method thereof Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
The invention discloses aluminum matrix composite of a kind of non-crystaline amorphous metal enhancing and preparation method thereof, the composite is using al based amorphous alloy as reinforcement, and using aluminium alloy as matrix, al based amorphous alloy is uniformly dispersed in aluminium alloy.The present invention is simple to operate, preparation technology temperature is low, and composite is made by simple hot-pressing sintering technique can.Al based amorphous alloy 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 to reunite, gained composite consistency and good mechanical properties, has the advantages of high intensity, high rigidity.
Description
Technical field
The present invention relates to aluminum matrix composite of a kind of non-crystaline amorphous metal enhancing and preparation method thereof, belongs to composite preparation
Technical field.
Background technology
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 new structural material, before being had a wide range of applications in fields such as Aero-Space, automobile, the communications industries
Scape, it is also used as the additive of high grade paint.However, because particle enhanced aluminum-based composite material is moulding and toughness is poor, this
Limit its application in terms of structural material.Its moulding and toughness is how improved, is always the target that researcher pursues.
Particle enhanced aluminum-based composite material is made up of reinforced particulate and matrix, current widely applied reinforcement material
There are SiC, Al2O3Deng, because their density are low, modulus of elasticity height.But these particles have disadvantages that as reinforcement, such as
Bad interfacial reaction can occur for the interface of matrix and reinforcement, make interface that stripping problem occur, and can cause composite wood
There is downward trend in consistency and mechanical property of material etc..
Compared with ceramic particle, non-crystaline amorphous metal has high intensity, hardness, wearability, corrosion resistance, with matrix material meeting
Good interface is formed, interface binding power can also strengthen, and avoid the not good situation of above-mentioned interface cohesion.
The content of the invention
In view of the shortcomings of the prior art and deficiency, the invention provides a kind of non-crystaline amorphous metal enhancing aluminum matrix composite,
The composite is using al based amorphous alloy as reinforcement, and using aluminium alloy as matrix, reinforcement is uniformly dispersed, with basal body interface knot
It is high to close intensity, interface state is good, and the consistency and hardness of composite are high.
Present invention also offers the preparation method of the aluminum matrix composite of above-mentioned non-crystaline amorphous metal enhancing, this method operation letter
Single, technological temperature is relatively low, because the Al base noncrystal alloys crystallization temperature of preparation is higher than 1200K, has splendid heat endurance,
Therefore still exist in sintering process to stablize amorphous phase, reinforcement is good with basal body interface bonding state.
The present invention is to be achieved through the following technical solutions：
A kind of aluminum matrix composite of non-crystaline amorphous metal enhancing, the composite is using al based amorphous alloy as reinforcement, with aluminium
Alloy is matrix, and al based amorphous alloy is uniformly dispersed in aluminium alloy.
In above-mentioned composite, the volume fraction shared by al based amorphous alloy is 5% ~ 40%, the volume integral shared by aluminium alloy
Number is 60% ~ 95%.
In above-mentioned composite, the al based amorphous alloy preferentially selects AlFe systems non-crystaline amorphous metal.The alloy of noncrystalline state
Alloy than crystallization state can play more preferable humidification to the performance of composite.At the beginning of the AlFe non-crystaline amorphous metals of the present invention
Beginning crystallization temperature is high（>1200K）, heat endurance is good, and crystallization will not occur in sintering process.
In above-mentioned AlFe non-crystaline amorphous metals, Al and Fe atomic percent are 70 ~ 85:15 ~ 30, such as Al85Fe15Amorphous closes
Gold, Al70Fe30Non-crystaline amorphous metal.
In above-mentioned composite, the aluminium alloy can select the aluminium alloy that the trade mark is 2XXX series or 6XXX series.
2XXX series is the aluminium alloy using copper as main alloy element, and 6XXX series is as main alloy element and with Mg using magnesium2Si phases
For the aluminium alloy of hardening constituent.
Composite of the present invention is made up of al based amorphous alloy and aluminium alloy, because the difference of aluminium alloy capability, gained are multiple
The performance of condensation material has different.Because reinforcement is also to be easier to combine between host element, with aluminum substrate using aluminium, reinforcement
Interface bond strength between matrix is high, and interface state is good, is not easy to be disengaged from.
In composite of the present invention, al based amorphous alloy is scattered in the base with graininess, even particle distribution, does not have
Agglomeration, gained composite consistency and hardness greatly improve.In addition, reinforcement and matrix are well combined, composite
Intensity, hardness improve.
Present invention also offers the preparation method of the aluminum matrix composite of non-crystaline amorphous metal enhancing, aluminium base is first made in this method
Amorphous powdered alloy, then mixed material is made in al based amorphous alloy powder and Al alloy powder mixing and ball milling, finally will mixing
Material vacuum Thermocompressed sintering and forming, is produced.
Preparation method of the present invention, specifically includes following steps：
(1) al based amorphous alloy powder is prepared：Al powder and Fe powder are mixed, added in ball grinder, in inert gas and guarantor
Protect under the protection of agent and carry out mechanical alloying, Zhuan Su≤300rpm during ball milling, until obtaining al based amorphous alloy powder；
（2）Mixed powder：Al based amorphous alloy powder and Al alloy powder are put into ball grinder and seal , ≤200rpm's
Ball milling 10-15h under rotating speed, obtains mixed material；
（3）Vacuum heating-press sintering：By mixed material first under 723K ~ 823K be incubated 15 ~ 20min, be then warming up to 823K ~
873K, 5 ~ 10MPa is forced into, is incubated 25 ~ 30min, obtain the aluminum matrix composite of non-crystaline amorphous metal enhancing.
In the inventive method, gained al based amorphous alloy powder is the atomic percent of AlFe amorphous powdered alloys, Al and Fe
Than being preferably 70 ~ 85:15 ~ 30, its good thermal stability, initial crystallization temperature is high, can be very in follow-up sintering range
Good holding amorphous characteristic, and the interface of alloy matrix aluminum being capable of extraordinary combination.
Above-mentioned steps（1）In, Chun Du≤99.9wt.% of Al powder and Fe powder.
Above-mentioned steps（1）In, mechanical alloying is carried out under inert gas and protective agent protection, prevents alloy oxidation.
Above-mentioned steps（1）In, rotating speed You Xuan≤300rpm, Geng You Xuan≤350rpm during mechanical alloying, such as 300 ~
400 rpm, are easier to form non-crystaline amorphous metal at high speed.
Above-mentioned steps（1）In, ratio of grinding media to material during mechanical alloying is 10:1~20:1.
Above-mentioned steps（1）In, the mechanical alloying time is in more than 100h, such as 100 ~ 250h, preferably 150-250h.
In the inventive method, first by non-crystaline amorphous metal and aluminium alloy, abundant ball milling mixing is sintered again in ball mill, system
Standby technological temperature is relatively low, avoids the generation of unfavorable interfacial chemical reaction and the formation of brittlement phase, improves properties of product.
Above-mentioned steps（2）In, the volume fraction of al based amorphous alloy powder is 5% ~ 40%, the volume fraction of Al alloy powder
For 60 ~ 95%.Within this range, the volume fraction of al based amorphous alloy powder is higher, the intensity of product, and hardness is higher.
Above-mentioned steps（2）In, ball milling is carried out under inert gas shielding.
Above-mentioned steps（2）In, Zhuan Su≤200rpm during ball milling, such as 200 ~ 350rpm.
Above-mentioned steps（2）In, ratio of grinding media to material during ball milling is 10:1~20:1.
Above-mentioned steps（3）In, mixed material is put into the graphite grinding tool of required shape, then in vacuum sintering funace
In be sintered, the composite of required shape is can obtain after sintering.
Above-mentioned steps（3）In, sintering is first incubated under 723K ~ 823K, then is incubated under 823K ~ 873K.Second of insulation
Temperature higher than for the first time insulation temperature.Second of insulation is pressurizeed, and is added to 5 ~ 10MPa of pressure and is sintered.
Above-mentioned steps（3）In, when sintering heats up, heating rate 3K/ after heating rate 10K/min, 623K before 623K
min。
Above-mentioned steps（3）In, it is sintered in vacuum sintering funace and carries out.
The invention has the advantages that and beneficial effect：
(1) al based amorphous alloy powder of the invention has higher initial crystallization temperature, excellent heat endurance, sintering
At a temperature of crystallization does not occur and amorphous phase substantive characteristics can be kept, improve the performance of composite.
(2) in composite of the invention, al based amorphous alloy particle is high with alloy matrix aluminum interface bond strength, interface
State is good, and al based amorphous alloy particle is evenly distributed in the base, is not easy to reunite, gained composite consistency and mechanical property
Can be good, there is the advantages of high intensity, high rigidity.
(3) present invention is simple to operate, preparation technology temperature is low, is made compound by simple hot-pressing sintering technique can
Material, the generation of unfavorable interfacial chemical reaction and the formation of brittlement phase are avoided, realize the same of composite material strength and hardness
Shi Tigao；And preparation technology is simple, cost is low, and stability is good.
Brief description of the drawings
Fig. 1 is the Al obtained by the embodiment of the present invention 185Fe15The XRD spectrum of non-crystaline amorphous metal.
Fig. 2 is the Al obtained by the embodiment of the present invention 185Fe15The crystallization temperature figure of non-crystaline amorphous metal.
Fig. 3 is the Al obtained by the embodiment of the present invention 285Fe15The SEM spectrum of non-crystaline amorphous metal reinforced aluminum matrix composites.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
Embodiment 1
(1) amorphous powdered alloy is prepared：By the Al powder of Chun Du≤99.9 and Fe powder according to atomic percent 85:15 weigh,
It is put in ball grinder, adds stearic acid as protective agent, ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material
15:Mechanical alloying 200h under conditions of 1, obtains Al85Fe15Amorphous powdered alloy；The XRD of non-crystaline amorphous metal is shown in Fig. 1, from figure
In it can be seen that having there is amorphous phase in 200 hours.The crystallization temperature figure of non-crystaline amorphous metal is shown in Fig. 2, it can be seen that at the beginning of it
Beginning crystallization temperature is 1209K.
(2) powder is mixed：By Al85Fe15The Al alloy powder of amorphous powdered alloy and the trade mark 2024 is according to volume ratio 1:4 put into
In ball grinder, ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 15:Ball milling mixes powder 10h under conditions of 1,
Obtain mixed material；
(3) vacuum heating-press sintering：Mixed material is put into diameter 45mm cylindrical type graphite grinding tool, be put in vacuum hotpressing
Sintered in sintering furnace, obtain non-crystaline amorphous metal reinforced aluminum matrix composites, sintering step is：15min is first incubated under 723K, then
823K is warming up to, is forced into 5MPa, is incubated 30min；Heating rate 3K/ after 623K heating rate 10K/min in the past, 623K
min.Gained composite has typical metallic luster, and its SEM spectrum is similar with Fig. 3, and amorphous particle is evenly distributed in aluminium
In alloy substrate.
Embodiment 2
(1) amorphous powdered alloy is prepared：By the Al powder of Chun Du≤99.9 and Fe powder according to atomic percent 85:15 weigh,
It is put in ball grinder, adds stearic acid as protective agent, ball grinder vacuumizes, applying argon gas, then in rotating speed 400rpm, ratio of grinding media to material
15:Mechanical alloying 160h under conditions of 1, obtains Al85Fe15Amorphous powdered alloy, its XRD is similar with Fig. 1, initial crystallization
Temperature is 1207K；
(2) powder is mixed：By Al85Fe15The Al alloy powder of amorphous powdered alloy and the trade mark 6061 is according to volume ratio 2:3 put into
In ball grinder, ball grinder vacuumizes, applying argon gas, then in rotating speed 350r pm, ratio of grinding media to material 15:Powder 10h is mixed under conditions of 1, is obtained
Mixed material；
(3) vacuum heating-press sintering：Mixed material is put into diameter 45mm cylindrical type graphite grinding tool, be put in vacuum hotpressing
Sintered in sintering furnace, obtain non-crystaline amorphous metal reinforced aluminum matrix composites, sintering step is：20min is first incubated under 773K, then
823K is warming up to, is forced into 10MPa, is incubated 25min；Heating rate 2K/ after 623K heating rate 8K/min in the past, 623K
min.Gained composite has metallic luster, and its SEM is schemed as shown in figure 3, as can be seen from the figure amorphous particle uniformly divides
Cloth is in alloy matrix aluminum.
Embodiment 3
(1) amorphous powdered alloy is prepared：By the Al powder of Chun Du≤99.9 and Fe powder according to atomic percent 85:15 weigh,
It is put in ball grinder, adds protective agent, ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 20:1 condition
Lower mechanical alloying 180h, obtains Al85Fe15Amorphous powdered alloy, its XRD is similar with Fig. 1, and initial crystallization temperature is
1209K；
(2) powder is mixed：By Al85Fe15The Al alloy powder of amorphous powdered alloy and the trade mark 6061 is according to volume ratio 3:7 put into
In ball grinder, ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 20:Powder 10h is mixed under conditions of 1, is obtained
Mixed material；
(3) vacuum heating-press sintering：Mixed material is put into diameter 45mm cylindrical type graphite grinding tool, be put in vacuum hotpressing
Sintered in sintering furnace, obtain non-crystaline amorphous metal reinforced aluminum matrix composites, sintering step is：15min is first incubated under 723K, then
823K is warming up to, is forced into 8MPa, is incubated 30min；Heating rate 3K/ after 623K heating rate 10K/min in the past, 623K
min.Gained composite has metallic luster, and its SEM spectrum is similar with Fig. 3, and as can be seen from the figure amorphous particle is uniform
It is distributed in alloy matrix aluminum.
Embodiment 4
(1) amorphous powdered alloy is prepared：By the Al powder of Chun Du≤99.9 and Fe powder according to atomic percent 85:15 weigh,
It is put in ball grinder, adds protective agent, ball grinder vacuumizes, applying argon gas, then in rotating speed 600rpm, ratio of grinding media to material 10:1 condition
Lower mechanical alloying 150h, obtains Al85Fe15Amorphous powdered alloy, its XRD is similar with Fig. 1, and initial crystallization temperature is
1209K；
(2) powder is mixed：By Al85Fe15The Al alloy powder of amorphous powdered alloy and the trade mark 6061 is according to volume ratio 1:19 put into
In ball grinder, ball grinder vacuumizes, applying argon gas, then in rotating speed 300rpm, ratio of grinding media to material 10:Powder 10h is mixed under conditions of 1, is obtained
Mixed material；
(3) vacuum heating-press sintering：Mixed material is put into diameter 45mm cylindrical type graphite grinding tool, be put in vacuum hotpressing
Sintered in sintering furnace, 15min is first incubated under 823K, is then warming up to 873K, be forced into 5MPa, be incubated 30min；623K was in the past
Heating rate 3K/min after heating rate 10K/min, 623K.Gained composite has metallic luster, its SEM spectrum and figure
3 is similar, and as can be seen from the figure amorphous particle is evenly distributed in alloy matrix aluminum.
Embodiment 5
(1) amorphous powdered alloy is prepared：By the Al powder of Chun Du≤99.9 and Fe powder according to atomic percent 85:15 weigh,
It is put in ball grinder, adds protective agent, ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 20:1 condition
Lower mechanical alloying 180h, obtains Al85Fe15Amorphous powdered alloy, its XRD is similar with Fig. 1, and initial crystallization temperature is
1209K；
(2) powder is mixed：By Al85Fe15The Al alloy powder of amorphous powdered alloy and the trade mark 6061 is according to volume ratio 1:9 put into
In ball grinder, ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 20:Powder 10h is mixed under conditions of 1, is obtained
Mixed material；
(3) vacuum heating-press sintering：Mixed material is put into diameter 45mm cylindrical type graphite grinding tool, be put in vacuum hotpressing
Sintered in sintering furnace, 15min is first incubated under 773K, is then warming up to 873K, be forced into 5MPa, be incubated 30min；623K was in the past
Heating rate 3K/min after heating rate 10K/min, 623K.Gained composite has metallic luster, its SEM spectrum and figure
3 is similar, and as can be seen from the figure amorphous particle is evenly distributed in alloy matrix aluminum.
Embodiment 6
(1) amorphous powdered alloy is prepared：By the Al powder of Chun Du≤99.9 and Fe powder according to atomic percent 70:30 weigh,
It is put in ball grinder, adds protective agent, ball grinder vacuumizes, applying argon gas, then in rotating speed 300rpm, ratio of grinding media to material 10:1 condition
Lower mechanical alloying 300h, obtains Al70Fe30Amorphous powdered alloy, its initial crystallization temperature are more than 1200K；
(2) powder is mixed：By Al70Fe30The Al alloy powder of amorphous powdered alloy and the trade mark 6061 is according to volume ratio 3:7 put into
In ball grinder, ball grinder vacuumizes, applying argon gas, then in rotating speed 200rpm, ratio of grinding media to material 10:Powder 15h is mixed under conditions of 1, is obtained
Mixed material；
(3) vacuum heating-press sintering：Mixed material is put into diameter 45mm cylindrical type graphite grinding tool, be put in vacuum hotpressing
Sintered in sintering furnace, 15min is first incubated under 773K, is then warming up to 873K, be forced into 5MPa, be incubated 30min；623K was in the past
Heating rate 3K/min after heating rate 10K/min, 623K.Gained composite has metallic luster, its SEM spectrum and figure
3 is similar, and as can be seen from the figure amorphous particle is evenly distributed in alloy matrix aluminum.
Embodiment 7
(1) amorphous powdered alloy is prepared：By the Al powder of Chun Du≤99.9 and Fe powder according to atomic percent 50:50 weigh,
It is put in ball grinder, adds protective agent, ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 15:1 condition
Lower mechanical alloying 200h, obtains Al50Fe50Amorphous powdered alloy, its initial crystallization temperature are more than 1200K；
(2) powder is mixed：By Al obtained above50Fe50The Al alloy powder of amorphous powdered alloy and the trade mark 2024 is according to volume
Than 1:4 put into ball grinder, and ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 15:Ball milling under conditions of 1
Mixed powder 10h, obtains mixed material；
(3) vacuum heating-press sintering：Method according to embodiment 1 is sintered to mixed material.Gained composite has
Metallic luster, its SEM spectrum is similar with Fig. 3, and as can be seen from the figure amorphous particle is evenly distributed in alloy matrix aluminum.
Comparative example 1
(1) amorphous powdered alloy is prepared：With embodiment 2；
(2) powder is mixed：By Al85Fe15The Al alloy powder of amorphous powdered alloy and the trade mark 6061 is according to volume ratio 1:1 puts into
In ball grinder, ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 15:Powder 10h is mixed under conditions of 1, is obtained
Mixed material；
(3) vacuum heating-press sintering：With embodiment 2.Because amorphous powdered alloy and the change of Al alloy powder volume ratio, are obtained
Product there is no metallic luster, product is in black, and surface has powder to drop, this explanation non-crystaline amorphous metal and aluminium alloy interface cohesion not
It is good.
Comparative example 2
(1) amorphous powdered alloy is prepared：By the Al powder of Chun Du≤99.9 and Fe powder according to atomic percent 85:15 weigh,
It is put in ball grinder, adds protective agent, ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 15:1 condition
Lower mechanical alloying 60h, obtained Al85Fe15The XRD of alloy powder is shown in Fig. 1, and as can be seen from the figure products obtained therefrom is not
Complete noncrystalline state；
(2) powder is mixed：By Al obtained above85Fe15The Al alloy powder of alloy powder and the trade mark 2024 is according to volume ratio 1:
4 put into ball grinder, and ball grinder vacuumizes, applying argon gas, then in rotating speed 350rpm, ratio of grinding media to material 15:Ball milling mixes powder under conditions of 1
10h, obtain mixed material；
(3) vacuum heating-press sintering：Method according to embodiment 1 is sintered to mixed material, and products obtained therefrom has metal
Gloss, but mechanical property is bad.
The performance of each product, the method for testing of Vickers hardness are as obtained by characterizing hardness：Existed using microhardness instrument
The hardness of material is measured under 200g pressure, each sample is made a call to 15 points, then averaged.Each embodiment and comparative example institute
It is as follows to obtain product Vickers hardness：
Note：The Vickers hardness of 6061 aluminium alloys is 44 ~ 95HV, and the Vickers hardness of 2024 aluminium alloys is 120 ~ 145HV.
Claims (7)
1. a kind of preparation method of the aluminum matrix composite of non-crystaline amorphous metal enhancing, it is characterized in that：The composite is non-with aluminium base
Peritectic alloy is reinforcement, and using aluminium alloy as matrix, al based amorphous alloy is uniformly dispersed in aluminium alloy, al based amorphous alloy
Volume fraction is 5% ~ 40%, and the volume fraction of aluminium alloy is 60% ~ 95%；The al based amorphous alloy is AlFe non-crystaline amorphous metals,
In AlFe non-crystaline amorphous metals, Al and Fe atomic percent are 70 ~ 85:15~30；The al based amorphous alloy is disperseed with graininess
In the base, even particle distribution；
Preparation method comprises the following steps：
(1) al based amorphous alloy powder is prepared：Al powder and Fe powder are mixed, added in ball grinder, in inert gas and protective agent
Protection under carry out mechanical alloying, Zhuan Su≤300rpm during ball milling, until obtaining al based amorphous alloy powder；
（2）Mixed powder：Al based amorphous alloy powder and Al alloy powder are put into ball grinder and seal , ≤200rpm rotating speed
Lower ball milling 10-15h, obtains mixed material；
（3）Vacuum heating-press sintering：By mixed material first under 723K ~ 823K be incubated 15 ~ 20min, be then warming up to 823K ~
873K, 5 ~ 10MPa is forced into, is incubated 25 ~ 30min, obtain the aluminum matrix composite of non-crystaline amorphous metal enhancing.
2. preparation method according to claim 1, it is characterized in that：The aluminium alloy refers to the trade mark for 2XXX series or 6XXX
The aluminium alloy of series.
3. preparation method according to claim 1, it is characterized in that：Step（1）In, Zhuan Su≤350rpm during ball milling.
4. preparation method according to claim 1, it is characterized in that：Step（2）In, Ball-milling Time is 100 ~ 250h.
5. preparation method according to claim 1, it is characterized in that：Step（1）With（2）In, ratio of grinding media to material 10:1~20:1.
6. preparation method according to claim 1, it is characterized in that：Step（1）With（2）In, ball milling is in inert gas shielding
Lower progress.
7. preparation method according to claim 1, it is characterized in that：Step（3）In, it is sintered in vacuum sintering funace
OK.
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| CN115026275B (en) * | 2022-06-13 | 2024-03-22 | 昆明理工大学 | Iron-based amorphous particle reinforced aluminum-based composite spray powder and laser welding method thereof |
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| JPH09111425A (en) * | 1995-10-17 | 1997-04-28 | Masumoto Takeshi | High strength aluminum base alloy |
| CN101745639A (en) * | 2008-12-05 | 2010-06-23 | 南京理工大学 | Preparation method of non-crystalline grains reinforced aluminium-base composite material by means of explosive compaction |
| JP2015183214A (en) * | 2014-03-24 | 2015-10-22 | 神奈川県 | Aluminum alloy member having intermetallic compound layer and method for manufacturing the same |
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