CN107299258A - A kind of diphase particles reinforced aluminum matrix composites and preparation method thereof - Google Patents
A kind of diphase particles reinforced aluminum matrix composites and preparation method thereof Download PDFInfo
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- CN107299258A CN107299258A CN201710342782.0A CN201710342782A CN107299258A CN 107299258 A CN107299258 A CN 107299258A CN 201710342782 A CN201710342782 A CN 201710342782A CN 107299258 A CN107299258 A CN 107299258A
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- aluminum matrix
- matrix composites
- reinforced aluminum
- particles reinforced
- diphase particles
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- 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
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
-
- 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
- C22C32/001—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 only oxides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Abstract
The invention discloses a kind of diphase particles reinforced aluminum matrix composites and preparation method thereof, comprising following each component, its mass fraction percentage is：11.2~18.9wt.% of titanium, 6.7~15.2wt.% of silica, 1.3~5.6wt.% of nano aluminium oxide, 2.5~7.5wt.% of copper, 4.3~7.9wt.% of manganese, 4.3~8.9wt.% of chromium, 2.4~7.8wt.% of lanthana, 12.8~19.5wt.% of magnesium, surplus are aluminium.Diphase particles reinforced aluminum matrix composites of the present invention have good specific stiffness, anti-stress corrosiveness and excellent mechanical performances；The preparation method of aluminum matrix composite of the present invention strengthens particle using two-phase, with reference to titanium and the premium properties of rare earth element, it is produced synergistic effects.
Description
Technical field
The invention belongs to metal material casting field, it is related to a kind of aluminium based metal composite, specially a kind of two-phase
Grain reinforced aluminum matrix composites and preparation method thereof.
Background technology
2219 aluminium alloys, which are that one kind is high-strength, handles reinforced aluminium alloy, and it has good specific strength, anti-stress corrosiveness
And good mechanical property, had a wide range of applications in fields such as Aero-Space, national defence.Recently as defense technology requirement
Improve, requirement to material property also more and more higher, aluminum matrix composite turns into study hotspot with its excellent performance.
Mixing yoghurt technology is prepared by the use mixing yoghurt developed on the basis of agitating friction weldering
Nanometer mutually strengthens Base Metal composite.In the prior art titanium particle enhancing AZ31 magnesium-based composite woods are prepared in mixing yoghurt
Magnesium-AZ31 the based composites for preparing that titanium granule content is 20% and 40% are have studied in material.Obtain the titanium in composite
Grain average-size is 200 nanometers, and when titanium particle addition is 40%, the titanium particle of fragmentation is equal in magnesium matrix in composite bed
Even distribution composite bed intensity is significantly improved.Answered in addition, have studied FSP reaction in-situs in the prior art and prepare aluminum titanium alloy surface
Layer is closed, is as a result shown, titanium valve produces fragmentation, generation micron and submicron order aluminium titanium particle and is evenly distributed on aluminium conjunction in FSP
In auri body so that body surface hardness is to be original more than 2 times.In addition, aluminium/dioxy is added into alumina-base material in the prior art
SiClx powder strengthens particle preparation composite by FSP formation aluminium oxide nanos.Find what is formed by microstructure observation
Aluminum oxide nanoparticle size is about 20 nanometers, and the composite obtained has excellent tensile strength and elongation of having no progeny
Rate.
Numerous studies are carried out in terms of particle enhanced aluminum-based composite material is prepared using FSP technologies, it is believed that use the party
Method can the good aluminum matrix composite of processability, but most of research is all to concentrate on the research in terms of single-phase enhancing particle,
The effect on rare earth in terms of crystal grain thinning and improvement material property is also well known simultaneously.
The content of the invention
Present invention solves the technical problem that being：In order to overcome the defect of prior art, obtain it is a kind of have good specific stiffness,
The aluminum matrix composite of anti-stress corrosiveness and excellent mechanical performances, aluminum-base composite is strengthened the invention provides a kind of diphase particles
Material and preparation method thereof.
Technical scheme：A kind of diphase particles reinforced aluminum matrix composites, include following each component, its mass fraction percentage
For：11.2~18.9wt.% of titanium, 6.7~15.2wt.% of silica, 1.3~5.6wt.% of nano aluminium oxide, copper 2.5~
7.5wt.%, 4.3~7.9wt.% of manganese, 4.3~8.9wt.% of chromium, 2.4~7.8wt.% of lanthana, magnesium 12.8~
19.5wt.%, surplus are aluminium.
It is preferred that, the mass fraction percentage of titanium elements is 13.5~17.2wt.%.
It is preferred that, the mass fraction percentage of silica is 9.8~13.6wt.%.
It is preferred that, the mass fraction percentage of nano aluminium oxide is 1.9~5.2wt.%.
It is preferred that, aluminium element with the mass ratio of copper with being more than 10.
It is preferred that, the mass ratio of aluminium element and manganese element is more than 12.
It is preferred that, the mass ratio of aluminium element and magnesium elements is more than 5.
A kind of preparation method of diphase particles reinforced aluminum matrix composites, is comprised the steps of：
(1) lanthana is added in glycerine, m/v is 1:8~23, be placed in ball mill, after being uniformly dispersed, add sun from
Sub- surfactant, ultrasonically treated 1~4 hour；
(2) system of the step (1) after ultrasonically treated is placed in 40~56 DEG C of baking oven, removes glycerine；
(3) fine aluminium is melted, silica and nano aluminium oxide is added when it melts half, at 690~750 DEG C
Inside holding 1~5 hour；
(4) it is incubated and stirs evenly after addition titanium, copper, manganese, chromium and magnesium, refining agent is added at 720~780 DEG C and is refined, essence
20~40 minutes are stood after refining, surfactant is added, skims surface scum at 700~720 DEG C, obtain aluminium alloy melt；
(5) gravitational casting is carried out to aluminium alloy melt, obtains aluminium alloy castings；Casting is carried out to solution treatment successively, it is cold
But diphase particles reinforced aluminum matrix composites be can be prepared by after processing and Ageing Treatment.
It is preferred that, the temperature of solution treatment is 490~530 DEG C, and the time is 5~16 hours.
It is preferred that, the temperature of Ageing Treatment is 215~260 DEG C, and the time is 20~48 hours.
Beneficial effect：(1) diphase particles reinforced aluminum matrix composites of the present invention have good specific stiffness, resistance to stress rotten
Corrosion and excellent mechanical performances；(2) preparation method of aluminum matrix composite of the present invention strengthens particle using two-phase, with reference to titanium
The premium properties of metal and rare earth element, makes it produce synergistic effects.
Embodiment
Embodiment 1
A kind of diphase particles reinforced aluminum matrix composites, comprising following each component, its mass fraction percentage is：Titanium
11.2wt.%, silica 6.7wt.%, nano aluminium oxide 1.3wt.%, copper 2.5wt.%, manganese 4.3wt.%, chromium
4.3wt.%, lanthana 2.4wt.%, magnesium 12.8wt.%, surplus are aluminium.
A kind of preparation method of diphase particles reinforced aluminum matrix composites, is comprised the steps of：
(1) lanthana is added in glycerine, m/v is 1:8, it is placed in ball mill, after being uniformly dispersed, adds cation form
Face activating agent, ultrasonically treated 1 hour；
(2) system of the step (1) after ultrasonically treated is placed in 40 DEG C of baking oven, removes glycerine；
(3) fine aluminium is melted, adds silica and nano aluminium oxide when it melts half, protected in 690 DEG C
Temperature 1 hour；
(4) it is incubated and stirs evenly after addition titanium, copper, manganese, chromium and magnesium, refining agent is added at 720 DEG C and is refined, it is quiet after refining
Put 20 minutes, add surfactant, skim surface scum at 700 DEG C, obtain aluminium alloy melt；
(5) gravitational casting is carried out to aluminium alloy melt, obtains aluminium alloy castings；Casting is carried out to solution treatment successively, it is cold
But diphase particles reinforced aluminum matrix composites be can be prepared by after processing and Ageing Treatment.
The temperature of solution treatment is 490 DEG C, and the time is 5 hours.
The temperature of Ageing Treatment is 215 DEG C, and the time is 20 hours.
Embodiment 2
A kind of diphase particles reinforced aluminum matrix composites, comprising following each component, its mass fraction percentage is：Titanium
13.5wt.%, silica 9.2wt.%, nano aluminium oxide 2.7wt.%, copper 4.1wt.%, manganese 5.6wt.%, chromium
5.4wt.%, lanthana 3.9wt.%, magnesium 14.5wt.%, surplus are aluminium.
A kind of preparation method of diphase particles reinforced aluminum matrix composites, is comprised the steps of：
(1) lanthana is added in glycerine, m/v is 1:12, it is placed in ball mill, after being uniformly dispersed, adds cation
Surfactant, ultrasonically treated 2 hours；
(2) system of the step (1) after ultrasonically treated is placed in 45 DEG C of baking oven, removes glycerine；
(3) fine aluminium is melted, adds silica and nano aluminium oxide when it melts half, protected in 712 DEG C
Temperature 2 hours；
(4) it is incubated and stirs evenly after addition titanium, copper, manganese, chromium and magnesium, refining agent is added at 735 DEG C and is refined, it is quiet after refining
Put 25 minutes, add surfactant, skim surface scum at 705 DEG C, obtain aluminium alloy melt；
(5) gravitational casting is carried out to aluminium alloy melt, obtains aluminium alloy castings；Casting is carried out to solution treatment successively, it is cold
But diphase particles reinforced aluminum matrix composites be can be prepared by after processing and Ageing Treatment.
The temperature of solution treatment is 505 DEG C, and the time is 8 hours.
The temperature of Ageing Treatment is 225 DEG C, and the time is 25 hours.
Embodiment 3
A kind of diphase particles reinforced aluminum matrix composites, comprising following each component, its mass fraction percentage is：Titanium
15.8wt.%, silica 1 3.2wt.%, nano aluminium oxide 4.2wt.%, copper 5.3wt.%, manganese 6.8wt.%, chromium
7.2wt.%, lanthana 5.5wt.%, magnesium 16.8wt.%, surplus are aluminium.
A kind of preparation method of diphase particles reinforced aluminum matrix composites, is comprised the steps of：
(1) lanthana is added in glycerine, m/v is 1:20, it is placed in ball mill, after being uniformly dispersed, adds cation
Surfactant, ultrasonically treated 2 hours；
(2) system of the step (1) after ultrasonically treated is placed in 50 DEG C of baking oven, removes glycerine；
(3) fine aluminium is melted, adds silica and nano aluminium oxide when it melts half, protected in 725 DEG C
Temperature 3 hours；
(4) it is incubated and stirs evenly after addition titanium, copper, manganese, chromium and magnesium, refining agent is added at 758 DEG C and is refined, it is quiet after refining
Put 30 minutes, add surfactant, skim surface scum at 715 DEG C, obtain aluminium alloy melt；
(5) gravitational casting is carried out to aluminium alloy melt, obtains aluminium alloy castings；Casting is carried out to solution treatment successively, it is cold
But diphase particles reinforced aluminum matrix composites be can be prepared by after processing and Ageing Treatment.
The temperature of solution treatment is 515 DEG C, and the time is 13 hours.
The temperature of Ageing Treatment is 240 DEG C, and the time is 36 hours.
Embodiment 4
A kind of diphase particles reinforced aluminum matrix composites, comprising following each component, its mass fraction percentage is：Titanium
18.9wt.%, silica 1 5.2wt.%, nano aluminium oxide 5.6wt.%, copper 7.5wt.%, manganese 7.9wt.%, chromium
8.9wt.%, lanthana 7.8wt.%, magnesium 19.5wt.%, surplus are aluminium.
A kind of preparation method of diphase particles reinforced aluminum matrix composites, is comprised the steps of：
(1) lanthana is added in glycerine, m/v is 1:23, it is placed in ball mill, after being uniformly dispersed, adds cation
Surfactant, ultrasonically treated 4 hours；
(2) system of the step (1) after ultrasonically treated is placed in 56 DEG C of baking oven, removes glycerine；
(3) fine aluminium is melted, adds silica and nano aluminium oxide when it melts half, protected in 750 DEG C
Temperature 5 hours；
(4) it is incubated and stirs evenly after addition titanium, copper, manganese, chromium and magnesium, refining agent is added at 780 DEG C and is refined, it is quiet after refining
Put 40 minutes, add surfactant, skim surface scum at 720 DEG C, obtain aluminium alloy melt；
(5) gravitational casting is carried out to aluminium alloy melt, obtains aluminium alloy castings；Casting is carried out to solution treatment successively, it is cold
But diphase particles reinforced aluminum matrix composites be can be prepared by after processing and Ageing Treatment.
The temperature of solution treatment is 530 DEG C, and the time is 16 hours.
The temperature of Ageing Treatment is 260 DEG C, and the time is 48 hours.
The diphase particles reinforced aluminum matrix composites prepared to embodiment 1~4 carry out performance test, as a result such as following table
It is shown：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Tensile strength/MPa | 167 | 172 | 178 | 169 |
| Yield strength/MPa | 145 | 164 | 158 | 162 |
| Elongation after fracture/% | 11.2 | 8.6 | 9.5 | 9.8 |
Claims (10)
1. a kind of diphase particles reinforced aluminum matrix composites, it is characterised in that include following each component, its mass fraction percentage
For：11.2~18.9wt.% of titanium, 6.7~15.2wt.% of silica, 1.3~5.6wt.% of nano aluminium oxide, copper 2.5~
7.5wt.%, 4.3~7.9wt.% of manganese, 4.3~8.9wt.% of chromium, 2.4~7.8wt.% of lanthana, magnesium 12.8~
19.5wt.%, surplus are aluminium.
2. a kind of diphase particles reinforced aluminum matrix composites according to claim 1, it is characterised in that the quality of titanium elements
Percentage fractional is 13.5~17.2wt.%.
3. a kind of diphase particles reinforced aluminum matrix composites according to claim 1, it is characterised in that the matter of silica
Amount percentage fractional is 9.8~13.6wt.%.
4. a kind of diphase particles reinforced aluminum matrix composites according to claim 1, it is characterised in that nano aluminium oxide
Mass fraction percentage is 1.9~5.2wt.%.
5. a kind of diphase particles reinforced aluminum matrix composites according to claim 1, it is characterised in that aluminium element and and copper
The mass ratio of element is more than 10.
6. a kind of diphase particles reinforced aluminum matrix composites according to claim 1, it is characterised in that aluminium element and manganese member
The mass ratio of element is more than 12.
7. a kind of diphase particles reinforced aluminum matrix composites according to claim 1, it is characterised in that aluminium element and magnesium member
The mass ratio of element is more than 5.
8. the preparation method of any described diphase particles reinforced aluminum matrix composites of claim 1~7, it is characterised in that bag
Containing following steps：
(1) lanthana is added in glycerine, m/v is 1:8~23, it is placed in ball mill, after being uniformly dispersed, adds cation form
Face activating agent, ultrasonically treated 1~4 hour；
(2) system of the step (1) after ultrasonically treated is placed in 40~56 DEG C of baking oven, removes glycerine；
(3) fine aluminium is melted, adds silica and nano aluminium oxide when it melts half, protected in 690~750 DEG C
Temperature 1~5 hour；
(4) it is incubated and stirs evenly after addition titanium, copper, manganese, chromium and magnesium, refining agent is added at 720~780 DEG C and is refined, after refining
20~40 minutes are stood, surfactant is added, skims surface scum at 700~720 DEG C, obtain aluminium alloy melt；
(5) gravitational casting is carried out to aluminium alloy melt, obtains aluminium alloy castings；Casting is carried out to solution treatment successively, at cooling
Diphase particles reinforced aluminum matrix composites are can be prepared by after reason and Ageing Treatment.
9. a kind of preparation method of diphase particles reinforced aluminum matrix composites according to claim 8, it is characterised in that Gu
The temperature of molten processing is 490~530 DEG C, and the time is 5~16 hours.
10. a kind of preparation method of diphase particles reinforced aluminum matrix composites according to claim 8, it is characterised in that
The temperature of Ageing Treatment is 215~260 DEG C, and the time is 20~48 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710342782.0A CN107299258A (en) | 2017-05-16 | 2017-05-16 | A kind of diphase particles reinforced aluminum matrix composites and preparation method thereof |
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| CN201710342782.0A CN107299258A (en) | 2017-05-16 | 2017-05-16 | A kind of diphase particles reinforced aluminum matrix composites and preparation method thereof |
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Country Status (1)
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188514A (en) * | 1995-06-21 | 1998-07-22 | 美国3M公司 | Fiber reinforced aluminium matrix composite |
| CN101792876A (en) * | 2010-03-26 | 2010-08-04 | 南京工业大学 | Aluminum-based composite material for composite pan bottom of stainless steel pan and preparation method thereof |
| CN103805823A (en) * | 2011-12-31 | 2014-05-21 | 齐仙玲 | High strength magaluma composite board applied to car and preparation process thereof |
-
2017
- 2017-05-16 CN CN201710342782.0A patent/CN107299258A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188514A (en) * | 1995-06-21 | 1998-07-22 | 美国3M公司 | Fiber reinforced aluminium matrix composite |
| CN101792876A (en) * | 2010-03-26 | 2010-08-04 | 南京工业大学 | Aluminum-based composite material for composite pan bottom of stainless steel pan and preparation method thereof |
| CN103805823A (en) * | 2011-12-31 | 2014-05-21 | 齐仙玲 | High strength magaluma composite board applied to car and preparation process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 唐代明: "《金属材料学》", 30 June 2014 * |
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Application publication date: 20171027 |
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