CN107675010A - A kind of preparation method of chromium carbide reinforced aluminum matrix composites - Google Patents
A kind of preparation method of chromium carbide reinforced aluminum matrix composites Download PDFInfo
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- CN107675010A CN107675010A CN201710767706.4A CN201710767706A CN107675010A CN 107675010 A CN107675010 A CN 107675010A CN 201710767706 A CN201710767706 A CN 201710767706A CN 107675010 A CN107675010 A CN 107675010A
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- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
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- 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
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- Crystallography & Structural Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of preparation method of chromium carbide reinforced aluminum matrix composites, belong to Al alloy composite, solve the existing bad problem of Al alloy composite performance, preparation method is as follows, step 1：By carbon black, electrolytic chromium powder and aluminium powder according to weight（1‑2）:5：100 uniformly mixing；Step 2：Material after step 1 is gone out to use hot-forming method, briquet is made；Step 3：With 10 DEG C of 50 DEG C/min heating rate's briquet, 1400 DEG C 1700 DEG C are heated to, carbon black and chromium powder reaction generation chromium carbide strengthen phase；Step 4：Above-mentioned element is carried out to strengthen element homogenization heat treatment；Step 5：Composite after above-mentioned processing is subjected to hot extrusion；Step 6：Hot rolling treatment is carried out more than recrystallization temperature；Step 7：Alloy after step 6 is subjected to solution treatment.
Description
Technical field
The present invention relates to Al alloy composite, a kind of specifically preparation side of chromium carbide reinforced aluminum matrix composites
Method.
Background technology
Acieral has the characteristics that density is small, intensity is high, and the alloy obtained by inorganic non-metallic material is added into aluminium
With good intensity, plasticity, intensity or rust-preventing characteristic, available for manufacture container, pipeline etc..
Conventional method is that particle or fiber first is made in ceramics, is then mixed into aluminium with the method for stirring casting or powder metallurgy
Aluminum matrix composite is obtained in alloy.But this method occurs again shapes difficult, intensity and plasticity difference and performance shakiness
A series of problems, such as determining.
The content of the invention
It is an object of the invention to：For above-mentioned problem, there is provided a kind of chromium carbide reinforced aluminum matrix composites
Preparation method, preparation method is as follows, step 1：By carbon black, electrolytic chromium powder and aluminium powder according to weight（1-2）:5：100 is uniformly mixed
Close；
Step 2：Material after step 1 is gone out to use hot-forming method, briquet is made.
Step 3：With 10 DEG C -50 DEG C/min heating rate's briquet, 1400 DEG C -1700 DEG C are heated to, carbon black and chromium
Powder reaction generation chromium carbide enhancing phase；
Step 4：Above-mentioned element is carried out to strengthen element homogenization heat treatment；
Step 5：Composite after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
Wherein carbon black and electrolytic chromium powder can use conventional raw material, its scale effect to enhancing phase in step 1
Particle diameter, in order that can reach more tiny, the mass ratio of carbon black and electrolytic chromium powder is（1-2）:5.And the particle diameter for strengthening phase is big
The small and uniformity coefficient of base phase can add control by adjusting heating-up temperature, the heating-up temperature selection 1400 in the present invention
DEG C -1700 DEG C, and the size of the rate of heat addition determines the speed of preheating.
As an improvement, the particle diameter of described electrolytic chromium powder is 400 mesh.
As an improvement, described aluminium powder is superfine aluminium power, the precision of aluminium powder is 16 ~ 30 μm.
As an improvement, the rate of heat addition of the step 3 kind is 20 DEG C/min.
As an improvement, the heat treatment temperature of described step four is 600 DEG C -800 DEG C, heat treatment time is 20 min-
100min, heat treatment are carried out under an inert gas.
As an improvement, the hot extrusion ratio of the step 5 is 20:1-8:Between 1, extrusion temperature is controlled at 500 DEG C -700
℃。
As an improvement, the heating-up temperature of the step 3 is 1500 DEG C -1600 DEG C, and then the size controlling of chromium carbide is existed
Preferably horizontal, further preferably heating-up temperature is 1550 DEG C.
As an improvement, it is 25%-30% that carbon black, which accounts for enhancing phase raw material weight, in described step one, in this preferable case
Under, the chromium carbide obtained in the original location among generating process is more fine and close, reaches Nano grade, and fully dispersed can arrive base
Among body material.
Composite disclosed by the invention is applied in aluminium alloy 3D printing field, enables to the properties of product printed
Reach the effect of forging, and existing is typically the performance for not reaching forging.
Chromium carbide enhancing mutually can reach Nano grade, the electronic product of preparation in aluminum matrix composite disclosed by the invention
Frivolous portable, this nano ceramics aluminium alloy is in light weight, and with high rigidity, high intensity, antifatigue, low bulk, high-damping, resistance to
The features such as high temperature, compared to titanium alloy and high temperature alloy, performance is far below forging, nano ceramics aluminium alloy 3D after aluminium alloy 3D printing
Print component can reach the performance of forging, enhance its application in 3D printing.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Specific embodiment 1：A kind of preparation method of chromium carbide reinforced aluminum matrix composites, it is characterised in that preparation method
It is as follows, step 1：By carbon black, electrolytic chromium powder and aluminium powder according to weight（1-2）:5：100 uniformly mixing；
Step 2：Material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3：Heat briquet, carbon black and chromium powder reaction generation chromium carbide enhancing phase；
Step 4：Above-mentioned element is carried out to strengthen element homogenization heat treatment；
Step 5：Composite after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
Wherein, the particle diameter of electrolytic chromium powder is 325 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
Kind the rate of heat addition be 15 DEG C/min, the heating-up temperature of step 3 is 1550 DEG C -1600 DEG C, and then by the size controlling of chromium carbide
Preferably horizontal.The heat treatment temperature of step 4 is 600 DEG C -800 DEG C, and heat treatment time is 20 min-100min, heat treatment
Carry out under an inert gas.The hot extrusion ratio of step 5 is 20:1-8:Between 1, extrusion temperature is controlled at 500 DEG C -700 DEG C.
It is 25%-30% that carbon black, which accounts for enhancing phase raw material weight, in step 1.
Specific embodiment 2：A kind of preparation method of chromium carbide reinforced aluminum matrix composites, it is characterised in that preparation method
It is as follows, step 1：By carbon black, electrolytic chromium powder and aluminium powder according to weight（1-2）:5：100 uniformly mixing；
Step 2：Material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3：Heat briquet, carbon black and chromium powder reaction generation chromium carbide enhancing phase；
Step 4：Above-mentioned element is carried out to strengthen element homogenization heat treatment；
Step 5：Composite after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
Wherein, the particle diameter of electrolytic chromium powder is 400 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
The rate of heat addition of kind is 13 DEG C/min, and the heating-up temperature of step 3 is 1570 DEG C, and then by the size controlling of chromium carbide more excellent
Level.The heat treatment temperature of step 4 is 600 DEG C -800 DEG C, and heat treatment time is 20 min-100min, is heat-treated in inertia
Carried out under gas.The hot extrusion ratio of step 5 is 20:1, extrusion temperature is controlled at 500 DEG C -700 DEG C.Carbon black accounts in step 1
It is 25%-30% to strengthen phase raw material weight.
Specific embodiment 3：A kind of preparation method of chromium carbide reinforced aluminum matrix composites, it is characterised in that preparation method
It is as follows, step 1：By carbon black, electrolytic chromium powder and aluminium powder according to weight（1-2）:5：100 uniformly mixing；
Step 2：Material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3：Heat briquet, carbon black and chromium powder reaction generation chromium carbide enhancing phase；
Step 4：Above-mentioned element is carried out to strengthen element homogenization heat treatment；
Step 5：Composite after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
Wherein, the particle diameter of electrolytic chromium powder is 400 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
Kind the rate of heat addition be 20 DEG C/min, the heating-up temperature of step 3 is 1500 DEG C -1600 DEG C, and then by the size controlling of chromium carbide
Preferably horizontal.The heat treatment temperature of step 4 is 600 DEG C -800 DEG C, and heat treatment time is 20 min-100min, heat treatment
Carry out under an inert gas.The hot extrusion ratio of step 5 is 20:1-8:Between 1, extrusion temperature is controlled at 500 DEG C -700 DEG C.
It is 25%-30% that carbon black, which accounts for enhancing phase raw material weight, in step 1.
Specific embodiment 4：A kind of preparation method of chromium carbide reinforced aluminum matrix composites, it is characterised in that preparation method
It is as follows, step 1：By carbon black, electrolytic chromium powder and aluminium powder according to weight（1-2）:5：100 uniformly mixing；
Step 2：Material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3：Heat briquet, carbon black and chromium powder reaction generation chromium carbide enhancing phase；
Step 4：Above-mentioned element is carried out to strengthen element homogenization heat treatment；
Step 5：Composite after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
Wherein, the particle diameter of electrolytic chromium powder is 400 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
Kind the rate of heat addition be 20 DEG C/min, the heating-up temperature of step 3 is 1500 DEG C -1600 DEG C, and then by the size controlling of chromium carbide
Preferably horizontal.The heat treatment temperature of step 4 is 700 DEG C, heat treatment time 50min, and heat treatment is entered under an inert gas
OK.The hot extrusion ratio of step 5 is 20:1-8:Between 1, extrusion temperature is controlled at 500 DEG C -700 DEG C.Carbon black accounts in step 1
It is 25%-30% to strengthen phase raw material weight.
Specific embodiment 5：A kind of preparation method of chromium carbide reinforced aluminum matrix composites, it is characterised in that preparation method
It is as follows, step 1：By carbon black, electrolytic chromium powder and aluminium powder according to weight（1-2）:5：100 uniformly mixing；
Step 2：Material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3：Heat briquet, carbon black and chromium powder reaction generation chromium carbide enhancing phase；
Step 4：Above-mentioned element is carried out to strengthen element homogenization heat treatment；
Step 5：Composite after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
Wherein, the particle diameter of electrolytic chromium powder is 400 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
Kind the rate of heat addition be 15 DEG C/min, the heating-up temperature of step 3 is 1500 DEG C -1600 DEG C, and then by the size controlling of chromium carbide
Preferably horizontal.The heat treatment temperature of step 4 is 600 DEG C -800 DEG C, and heat treatment time is 20 min-100min, heat treatment
Carry out under an inert gas.The hot extrusion ratio of step 5 is 8:1, extrusion temperature is controlled at 800 DEG C.Carbon black accounts for increasing in step 1
Strong phase raw material weight is 25%.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of preparation method of chromium carbide reinforced aluminum matrix composites, it is characterised in that preparation method is as follows, step 1：
By carbon black, electrolytic chromium powder and aluminium powder according to weight（1-2）:5：100 uniformly mixing；
Step 2：Material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3：With 10 DEG C -50 DEG C/min heating rate's briquet, 1400 DEG C -1700 DEG C are heated to, carbon black and chromium powder are anti-
Chromium carbide enhancing phase should be generated；
Step 4：Above-mentioned element is carried out to strengthen element homogenization heat treatment；
Step 5：Composite after above-mentioned processing is subjected to hot extrusion；
Step 6：Hot rolling treatment is carried out more than recrystallization temperature；
Step 7：Alloy after step 6 is subjected to solution treatment.
2. the preparation method of chromium carbide reinforced aluminum matrix composites according to claim 1, it is characterised in that described
The particle diameter of electrolytic chromium powder is 400 mesh.
3. the preparation method of chromium carbide reinforced aluminum matrix composites according to claim 1, it is characterised in that described aluminium
Powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm.
4. the preparation method of the chromium carbide reinforced aluminum matrix composites according to claim any one of 2-3, it is characterised in that
The rate of heat addition of the step 3 kind is 20 DEG C/min.
5. the preparation method of chromium carbide reinforced aluminum matrix composites according to claim 4, it is characterised in that described
The heat treatment temperature of step 4 is 600 DEG C -800 DEG C, and heat treatment time is 20 min-100min, and heat treatment is under an inert gas
Carry out.
6. the preparation method of chromium carbide reinforced aluminum matrix composites according to claim 5, it is characterised in that the step
Five hot extrusion ratio is 20:1-8:Between 1, extrusion temperature is controlled at 500 DEG C -700 DEG C.
7. the preparation method of chromium carbide reinforced aluminum matrix composites according to claim 6, it is characterised in that the step 3
Heating-up temperature be 1500 DEG C -1600 DEG C, and then by the size controlling of chromium carbide preferably horizontal.
8. the preparation method of chromium carbide reinforced aluminum matrix composites according to claim 7, it is characterised in that described step
It is 25%-30% that carbon black, which accounts for enhancing phase raw material weight, in one.
Beaten 9. the preparation method of the chromium carbide reinforced aluminum matrix composites described in claim any one of 1-8 is applied in aluminium alloy 3D
Print field.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021523011A (en) * | 2018-05-08 | 2021-09-02 | マテリオン コーポレイション | How to Make Metal Matrix Composite Strip Products |
| JP2021523012A (en) * | 2018-05-08 | 2021-09-02 | マテリオン コーポレイション | How to heat strip products |
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| CN103103414A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of chromized aluminum alloy profile |
| CN103103415A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting and preparation method of aluminum alloy profile |
| CN103103416A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of heat insulation aluminum alloy profile |
| CN103103413A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of high-strength aluminum alloy profile |
| CN106399762A (en) * | 2016-11-28 | 2017-02-15 | 安徽省煜灿新型材料科技有限公司 | High-strength corrosion-resistant aluminum alloy profile and preparation method thereof |
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2017
- 2017-08-31 CN CN201710767706.4A patent/CN107675010A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103414A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of chromized aluminum alloy profile |
| CN103103415A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting and preparation method of aluminum alloy profile |
| CN103103416A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of heat insulation aluminum alloy profile |
| CN103103413A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of high-strength aluminum alloy profile |
| CN106399762A (en) * | 2016-11-28 | 2017-02-15 | 安徽省煜灿新型材料科技有限公司 | High-strength corrosion-resistant aluminum alloy profile and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021523011A (en) * | 2018-05-08 | 2021-09-02 | マテリオン コーポレイション | How to Make Metal Matrix Composite Strip Products |
| JP2021523012A (en) * | 2018-05-08 | 2021-09-02 | マテリオン コーポレイション | How to heat strip products |
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