CN107815624A - A kind of high intensity aluminum matrix composite and its manufacture method - Google Patents
A kind of high intensity aluminum matrix composite and its manufacture method Download PDFInfo
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- CN107815624A CN107815624A CN201711027411.XA CN201711027411A CN107815624A CN 107815624 A CN107815624 A CN 107815624A CN 201711027411 A CN201711027411 A CN 201711027411A CN 107815624 A CN107815624 A CN 107815624A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/04—Light metals
- C22C49/06—Aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
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Abstract
The present invention relates to a kind of high intensity aluminum matrix composite and its manufacture method.A kind of high intensity aluminum matrix composite, include the component of following parts by weight：Fine 3 12 parts by weight of the parts by weight of carbon fiber 8 20, polypropylene, the parts by weight of aluminium powder 15 30, the parts by weight of white carbon 10 30, the parts by weight of nano silicon 8 15, the parts by weight of SiC 10 25.Aluminum matrix composite of the present invention and its manufacture method, have the advantages that manufacture method is simple, heat resistance is good.Inventor has carried out the screening experiment of substantial amounts of component and dosage early stage, is found surprisingly that, technical scheme is by reasonably matching and the combination tool of each component increases significantly the effect of intensity.The heat resistance of aluminum matrix composite material and good plasticity are improved, largely increases its modulus of elasticity and low-expansion coefficient, cost is low, easy to utilize.
Description
Technical field
The invention belongs to aluminum matrix composite manufacturing technology field, more particularly to a kind of high intensity aluminum matrix composite and its
Manufacture method.
Background technology
Obtain enough different particle enhanced aluminum-based composite materials, due to density is low, casting character is excellent, wearability,
High specific strength, good heat conduction, electric conductivity, thermal coefficient of expansion be small, etc. a series of excellent properties, there is potential application prospect
With wide market, the metal-base composites of particle enhancing, the fiber-reinforced metal matrix composite that compares has cost low
Honest and clean, anisotropy is small, is readily synthesized.
When preparing containing carbon fiber, aluminium powder enhancing composite, due to the wetting between carbon fiber, aluminium powder and aluminium alloy
Property it is very poor, the technological requirement of preparation is higher, mainly have at present powder metallurgic method, spray deposition, stirring casting method and extruding casting
Make method.Although existing process preparation method has successfully manufactured composite, industrialized production is difficult to, to existing work
Skill further improve and new technology the main task for being developed into next step research work, therefore in production there is an urgent need to
Invention is a kind of to improve carbon fiber, aluminium powder and Al wetability effective ways, the present invention villiaumite method salt and carbonization to a certain extent
Silicon grain carries out chemical reaction and prepares aluminum matrix composite, promotes the infiltration of carbon fiber, aluminium powder, and it is fine to carbon to improve Al melts
Dimension, the wellability difference problem of aluminium powder, energy consumption is low, and the simple and convenient running cost of technique is low, can be with industrialized production.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided a kind of high intensity aluminum-base composite material
Material and its manufacture method, to solve at least one of above-mentioned technical problem.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of high intensity aluminum matrix composite, including it is following
The component of parts by weight：The fine 3-12 parts by weight of carbon fiber 8-20 parts by weight, polypropylene, aluminium powder 15-30 parts by weight, white carbon 10-30
Parts by weight, nano silicon 8-15 parts by weight, SiC 10-25 parts by weight.
The beneficial effects of the invention are as follows：Aluminum matrix composite of the present invention and its manufacture method, there is manufacture method letter
Singly, the advantages that heat resistance is good.Inventor has carried out the screening experiment of substantial amounts of component and dosage early stage, is found surprisingly that,
Technical scheme is by reasonably matching and the combination tool of each component increases significantly the effect of intensity.Improve
The heat resistance of aluminum matrix composite material and good plasticity, largely increase its modulus of elasticity and low bulk system
Number, cost is low, easy to utilize.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the component of following parts by weight is included：Fine 8 parts by weight of the parts by weight of carbon fiber 14, polypropylene, the weight of aluminium powder 12
Part, the parts by weight of white carbon 25, the parts by weight of nano silicon 10, the parts by weight of SiC 15.
Further, the particle diameter of the nanometer silicon dioxide particle is 1.0 nanometers to 50 nanometers.
The present invention also provides a kind of manufacture method of above-mentioned high intensity aluminum matrix composite, comprises the following steps：
Step 1, prepare material by mass percentage first, by carbon fiber 8-20 parts by weight, the fine 3-12 parts by weight of polypropylene,
Aluminium powder 15-30 parts by weight, white carbon 10-30 parts by weight, nano silicon 8-15 parts by weight, the mixing of SiC10-25 parts by weight are equal
It is even；
Step 2, in melting furnace by fine aluminium or aluminum alloy melting, by above-mentioned mixed powder after being warming up to 660 DEG C~1500 DEG C
Shape raw material accounts for two kinds of powdery mixed materials of aluminum melt weight 1%-100% or several mixed materials are added fully to stir in stove and melted
After liquid insulation 5-100min, liquid slurry is obtained；
Step 3, cooling liquid state slurry, aluminum matrix composite is made.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the warming temperature is 700 DEG C, 900 DEG C or 1100 DEG C.
Further, the mode of the nanometer silicon dioxide particle is added to be continuously added to, and it is identical to add speed.
Embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
A kind of high intensity aluminum matrix composite, include the component of following parts by weight：Carbon fiber 8-20 parts by weight, polypropylene are fine
3-12 parts by weight, aluminium powder 15-30 parts by weight, white carbon 10-30 parts by weight, nano silicon 8-15 parts by weight, SiC 10-25
Parts by weight.The particle diameter of the nanometer silicon dioxide particle is 1.0 nanometers to 50 nanometers.During manufacture, comprise the following steps：Step 1,
Prepare material by mass percentage first, by carbon fiber 8-20 parts by weight, the fine 3-12 parts by weight of polypropylene, aluminium powder 15-30 weight
Part, white carbon 10-30 parts by weight, nano silicon 8-15 parts by weight, SiC 10-25 parts by weight are well mixed；Step 2, exist
By fine aluminium or aluminum alloy melting in melting furnace, above-mentioned mixing powder raw material is accounted for into aluminum melt weight after being warming up to 660 DEG C~1500 DEG C
Measure two kinds of powdery mixed materials of 1%-100% or several mixed materials add fully agitation liquation insulation 5-100min in stove
Afterwards, liquid slurry is obtained；Step 3, cooling liquid state slurry, aluminum matrix composite is made.The warming temperature is 700 DEG C, 900 DEG C
Or 1100 DEG C.The mode of the nanometer silicon dioxide particle is added to be continuously added to, and it is identical to add speed.
Relative to prior art, aluminum matrix composite of the present invention and its manufacture method, have manufacture method simple, resistance to
The advantages that good in thermal property.Inventor has carried out the screening experiment of substantial amounts of component and dosage early stage, is found surprisingly that, the present invention
Technical scheme by reasonably matching and the combination tool of each component increases significantly the effect of intensity.Aluminium base is improved to answer
The heat resistance of condensation material material and good plasticity, largely increase its modulus of elasticity and low-expansion coefficient, cost
It is low, it is easy to utilize.
It is introduced below by specific embodiment.
Embodiment 1
A kind of high intensity aluminum matrix composite, including following components by weight percent：Carbon fiber 1.5kg, the fine 0.6kg of polypropylene, aluminium
Powder 1kg, white carbon 2.0kg, nano silicon 1.2kg, SiC 1.5kg.During manufacture, each component is weighed by proportioning, is mixed together
Even, the warming temperature is 700 DEG C, and the soaking time is 15min.Aluminum matrix composite material is made.
Embodiment 2
A kind of high intensity aluminum matrix composite, including following components by weight percent：Carbon fiber 1.4kg, the fine 0.7kg of polypropylene, aluminium
Powder 1.2kg, white carbon 2.1kg, nano silicon 1.0kg, SiC 1.5kg.During manufacture, each component is weighed by proportioning, together
Mix, the warming temperature is 700 DEG C, and the soaking time is 15min.Aluminum matrix composite material is made.
Embodiment 3
A kind of high intensity aluminum matrix composite, including following components by weight percent：Carbon fiber 1.6kg, the fine 1.0kg of polypropylene, aluminium
Powder 1kg, white carbon 1.8kg, nano silicon 0.8kg, SiC 1.5kg.During manufacture, each component is weighed by proportioning, is mixed together
Even, the warming temperature is 700 DEG C, and the soaking time is 15min.Aluminum matrix composite material is made.
Comparative example 1
The carbon fiber 3kg, the fine 0.1kg of polypropylene, remaining is same as Example 1.
Comparative example 2
The carbon fiber 0.1kg, the fine 5kg of polypropylene, remaining is same as Example 1.
Comparative example 3
The carbon fiber 3kg, the fine 5kg of polypropylene, remaining is same as Example 1.
Comparative example 4
The carbon fiber 0.1kg, the fine 0.1kg of polypropylene, remaining is same as Example 1.
Measure of merit
By embodiment 1-3 and comparative example 1-4,7 groups of aluminum matrix composite materials are fabricated to using identical technique.Every group with
Machine extracts 0.5kg aluminum matrix composite material, and a height of 1 decimeter of square is made and is tested.By aluminum matrix composite material
Material is placed on platform, is pressed using 500N longitudinal pressure to it, every time lasting 1min, altogether three times.After three times, its height is measured
Value, computed altitude deformation quantity.
Test result is as shown in table 1.
Table 1
| High deformation amount (%) | |
| Embodiment 1 | 8.8 |
| Embodiment 2 | 10.2 |
| Embodiment 3 | 12.5 |
| Comparative example 1 | 15.8 |
| Comparative example 2 | 20.3 |
| Comparative example 3 | 18.9 |
| Comparative example 4 | 22.5 |
Data in table 1, which can be seen that technical scheme, can improve the strong of aluminum matrix composite material
Degree and plasticity.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (6)
1. a kind of high intensity aluminum matrix composite, it is characterised in that include the component of following parts by weight：Carbon fiber 8-20 weight
Part, the fine 3-12 parts by weight of polypropylene, aluminium powder 15-30 parts by weight, white carbon 10-30 parts by weight, nano silicon 8-15 weight
Part, SiC 10-25 parts by weight.
2. a kind of high intensity aluminum matrix composite according to claim 1, it is characterised in that include the group of following parts by weight
Point：Fine 8 parts by weight of the parts by weight of carbon fiber 14, polypropylene, the parts by weight of aluminium powder 12, the parts by weight of white carbon 25, nano silicon 10
Parts by weight, the parts by weight of SiC 15.
A kind of 3. high intensity aluminum matrix composite according to claim 1, it is characterised in that the nanometer silicon dioxide particle
Particle diameter be 1.0 nanometers to 100 nanometers.
A kind of 4. manufacture method of the high intensity aluminum matrix composite as described in claim any one of 1-3, it is characterised in that including
Following steps：
Step 1, material is prepared by mass percentage first, by carbon fiber 8-20 parts by weight, the fine 3-12 parts by weight of polypropylene, aluminium powder
15-30 parts by weight, white carbon 10-30 parts by weight, nano silicon 8-15 parts by weight, SiC 10-25 parts by weight are well mixed；
Step 2, it is after being warming up to 660 DEG C~1500 DEG C that above-mentioned mixing powdery is former by fine aluminium or aluminum alloy melting in melting furnace
Material accounts for two kinds of powdery mixed materials of aluminum melt weight 1%-100% or several mixed materials add fully agitation liquation in stove and protected
After warm 5-100min, liquid slurry is obtained；
Step 3, cooling liquid state slurry, aluminum matrix composite is made.
A kind of 5. manufacture method of high intensity aluminum matrix composite according to claim 4, it is characterised in that the heating temperature
Spend for 700 DEG C, 900 DEG C or 1100 DEG C.
6. a kind of manufacture method of high intensity aluminum matrix composite according to claim 4, it is characterised in that received described in addition
The mode of rice silica dioxide granule is is continuously added to, and it is identical to add speed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711027411.XA CN107815624A (en) | 2017-10-27 | 2017-10-27 | A kind of high intensity aluminum matrix composite and its manufacture method |
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| CN201711027411.XA CN107815624A (en) | 2017-10-27 | 2017-10-27 | A kind of high intensity aluminum matrix composite and its manufacture method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108559929A (en) * | 2018-05-29 | 2018-09-21 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of body of a motor car aluminium base light material and preparation method thereof |
| CN109898040A (en) * | 2019-03-22 | 2019-06-18 | 卢卫征 | A kind of environmental protection fiber composite material that tensile strength is high and its processing technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290343A (en) * | 2013-06-27 | 2013-09-11 | 孟红琳 | Preparation method of filler particle enhanced aluminium alloy composite material |
| CN105420644A (en) * | 2015-12-02 | 2016-03-23 | 重庆重通成飞新材料有限公司 | Aluminum matrix composite material |
| CN105695808A (en) * | 2016-04-25 | 2016-06-22 | 莒南县美达电力实业有限公司 | Aluminum alloy wire |
-
2017
- 2017-10-27 CN CN201711027411.XA patent/CN107815624A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290343A (en) * | 2013-06-27 | 2013-09-11 | 孟红琳 | Preparation method of filler particle enhanced aluminium alloy composite material |
| CN105420644A (en) * | 2015-12-02 | 2016-03-23 | 重庆重通成飞新材料有限公司 | Aluminum matrix composite material |
| CN105695808A (en) * | 2016-04-25 | 2016-06-22 | 莒南县美达电力实业有限公司 | Aluminum alloy wire |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108559929A (en) * | 2018-05-29 | 2018-09-21 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of body of a motor car aluminium base light material and preparation method thereof |
| CN109898040A (en) * | 2019-03-22 | 2019-06-18 | 卢卫征 | A kind of environmental protection fiber composite material that tensile strength is high and its processing technology |
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Application publication date: 20180320 |