CN107523730A - magnesium-based composite material and preparation method thereof - Google Patents
magnesium-based composite material and preparation method thereof Download PDFInfo
- Publication number
- CN107523730A CN107523730A CN201610445823.4A CN201610445823A CN107523730A CN 107523730 A CN107523730 A CN 107523730A CN 201610445823 A CN201610445823 A CN 201610445823A CN 107523730 A CN107523730 A CN 107523730A
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- China
- Prior art keywords
- magnesium
- composite material
- based composite
- preparation
- raw material
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/02—Alloys based on magnesium with aluminium as the next major constituent
-
- 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
- C22C1/1073—Infiltration or casting under mechanical pressure, e.g. squeeze casting
-
- 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
- C22C32/0063—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 based on SiC
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Extrusion Of Metal (AREA)
Abstract
This application discloses a kind of magnesium-based composite material and preparation method thereof, the magnesium-based composite material includes according to mass fraction：Al 8.7~8.9%；Zn 0.7~0.8%；Mn 0.7~0.8%；Y 2.7~3%；SiC 1~1.2%；Surplus is Mg.It after the present invention adds Y and SiC particulate simultaneously, can organize finer and close, tensile strength, yield strength, hardness and the plasticity of composite all have significant improvement.
Description
Technical field
The application is related to a kind of magnesium-based composite material and preparation method thereof.
Background technology
Magnesium alloy has intensity and specific stiffness as all structures most light material of metal and alloy materials
It is high, damping shock-absorbing noise-reducing ability is strong, capability of electromagnetic shielding is excellent, radioresistance, friction when produce no spark,
It is solderable and be glued, the advantages that being easily recycled.
Magnesium alloy can not be plastically deformed at normal temperatures, thermal deformation poor fluidity, special to deformation temperature
Sensitivity, many magnesium alloy parts are difficult to produce using common plastic forming, so traditional means are adopted mostly
Use casting.Mg alloy castings are produced using extrusion process mostly, for high-quality and strong mechanical performance
It is required that casting, die casting is extremely difficult.
The research of magnesium-based composite material early stage is concentrated mainly on continuous lod thing, but it is present continuously
Fiber cost height, preparation technology complexity and machining difficulty etc., so as to limit its promotion and application.
The content of the invention
It is an object of the invention to provide a kind of magnesium-based composite material and preparation method thereof, to overcome existing skill
Deficiency in art.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application discloses a kind of magnesium-based composite material, includes according to mass fraction：
Al 8.7~8.9%；
Zn 0.7~0.8%；
Mn 0.7~0.8%；
Y 2.7~3%；
SiC 1~1.2%；
Surplus is Mg.
Accordingly, disclosed herein as well is a kind of preparation method of magnesium-based composite material, including：
(1) heating preheating, is carried out to raw material, until raw material is in kermesinus；
(2) crucible, is heated to 140~150 DEG C, then sprayed coating；
(3), HFC-134a gases, carbon dioxide and compressed air it is mixed gas protected under, heating
To 740~760 DEG C, the raw material added in crucible after preheating is melted；
(4), the refining magnesium alloys solution under rotary blowing argon gas, then filters out the miscellaneous of Mg alloy surface
Matter；
(5) 750~760 DEG C, are warming up to and stands 15~20 minutes, 650~675 DEG C is then cooled to and is poured
Note；
(6), magnesium liquid is molded using Squeeze Casting.
Preferably, it is described in the step (2) in the preparation method of above-mentioned magnesium-based composite material
Coating is the mixture of talcum powder, waterglass, water and boric acid.
Preferably, it is described in the step (1) in the preparation method of above-mentioned magnesium-based composite material
Raw material includes a diameter of 0.5 μm of SiC particulate.
Preferably, in the preparation method of above-mentioned magnesium-based composite material, in the step (6), mould
200~250 DEG C of preheating temperature.
Preferably, in the preparation method of above-mentioned magnesium-based composite material, in the step (6), extruding
105~115MPa of pressure, 15~20s of extrusion time.
Compared with prior art, the advantage of the invention is that：After the present invention adds Y and SiC particulate simultaneously,
It can organize finer and close, tensile strength, yield strength, hardness and the plasticity of composite have very big
The raising of degree.
Brief description of the drawings
, below will be to reality in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The required accompanying drawing used in example or description of the prior art is applied to be briefly described, it should be apparent that, below
Accompanying drawing in description is only some embodiments described in the application, for those of ordinary skill in the art
For, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show the metallograph that composite material of magnesium alloy is obtained in the specific embodiment of the invention.
Embodiment
The present invention is described further by the following example：, can be more preferably geographical according to following embodiments
The solution present invention.However, as it will be easily appreciated by one skilled in the art that specific material described by embodiment
The present invention is merely to illustrate than, process conditions and its result, without should be also without limitation on claims
In the described in detail present invention.
Magnesium-based composite material formula：Include according to mass fraction：
Al 8.8%；
Zn 0.7%；
Mn 0.7%；
Y 3%；
SiC 1.2%；
Surplus is Mg.
The preparation method of magnesium-based composite material, including：
1st, the melting of magnesium-based composite material
(1) heating preheating, is carried out to raw material magnesium alloy, until raw material is in kermesinus；
(2) crucible, is heated to 140~150 DEG C, then sprayed coating, coating be talcum powder, waterglass,
The mixture of water and boric acid；
(3), HFC-134a gases, carbon dioxide and compressed air it is mixed gas protected under, heating
To 740~760 DEG C, the raw material added in crucible after preheating is melted；
(4), the refining magnesium alloys solution under rotary blowing argon gas, then filters out the miscellaneous of Mg alloy surface
Matter；
(5) 750~760 DEG C, are warming up to and stands 15~20 minutes, 650~675 DEG C is then cooled to and is poured
Note.
2nd, magnesium liquid is molded using Squeeze Casting
200~250 DEG C of mold preheating temperature；650~675 DEG C of pouring temperature；105~115MPa of squeeze pressure,
15~20s of extrusion time.
A diameter of 0.5 μm of SiC particulate.
Properties of Magnesium Alloy is obtained to meet：Tensile strength 357.4MPa, elongation 9.22%, Rockwell hardness
106.1HRC。
Fig. 1 show the metallograph for obtaining composite material of magnesium alloy, as seen from the figure, by increasing Y
After SiC particulate, tissue is finer and close.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details,
It illustrate only and according to the solution of the present invention closely related structure and/or processing step, and save in accompanying drawing
The other details little with relation of the present invention are omited.
Finally, it is to be noted that, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements are not
Only include those key elements, but also the other element including being not expressly set out, or it is this also to include
Kind of process, method, article or the intrinsic key element of equipment.
Claims (6)
1. a kind of magnesium-based composite material, it is characterised in that include according to mass fraction：
Al 8.7~8.9%；
Zn 0.7~0.8%；
Mn 0.7~0.8%；
Y 2.7~3%；
SiC 1~1.2%；
Surplus is Mg.
2. the preparation method of the magnesium-based composite material described in claim 1, it is characterised in that including：
(1) heating preheating, is carried out to raw material, until raw material is in kermesinus；
(2) crucible, is heated to 140~150 DEG C, then sprayed coating；
(3), HFC-134a gases, carbon dioxide and compressed air it is mixed gas protected under, heating
To 740~760 DEG C, the raw material added in crucible after preheating is melted；
(4), the refining magnesium alloys solution under rotary blowing argon gas, then filters out the miscellaneous of Mg alloy surface
Matter；
(5) 750~760 DEG C, are warming up to and stands 15~20 minutes, 650~675 DEG C is then cooled to and is poured
Note；
(6), magnesium liquid is molded using Squeeze Casting.
3. the preparation method of magnesium-based composite material according to claim 2, it is characterised in that：It is described
In step (2), the coating is the mixture of talcum powder, waterglass, water and boric acid.
4. the preparation method of magnesium-based composite material according to claim 2, it is characterised in that：It is described
In step (1), the raw material includes a diameter of 0.5 μm of SiC particulate.
5. the preparation method of magnesium-based composite material according to claim 2, it is characterised in that：It is described
In step (6), 200~250 DEG C of mold preheating temperature.
6. the preparation method of magnesium-based composite material according to claim 2, it is characterised in that：It is described
In step (6), 105~115MPa of squeeze pressure, 15~20s of extrusion time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610445823.4A CN107523730A (en) | 2016-06-20 | 2016-06-20 | magnesium-based composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610445823.4A CN107523730A (en) | 2016-06-20 | 2016-06-20 | magnesium-based composite material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107523730A true CN107523730A (en) | 2017-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610445823.4A Pending CN107523730A (en) | 2016-06-20 | 2016-06-20 | magnesium-based composite material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02145233A (en) * | 1988-11-28 | 1990-06-04 | Fujitsu Ltd | Magnesium composite material |
| US20010015271A1 (en) * | 1999-07-19 | 2001-08-23 | Lo Jason S. H. | Reinforcement preform and metal matrix composites including the reinforcement preform |
| CN1676645A (en) * | 2005-04-14 | 2005-10-05 | 北京科技大学 | Nano granule reinforced high-tough cast magnesium alloy and its preparing and shaping process |
| CN103121095A (en) * | 2013-03-12 | 2013-05-29 | 中北大学 | Squeeze casting preparation technology of AZ91D rare earth magnesium alloy |
-
2016
- 2016-06-20 CN CN201610445823.4A patent/CN107523730A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02145233A (en) * | 1988-11-28 | 1990-06-04 | Fujitsu Ltd | Magnesium composite material |
| US20010015271A1 (en) * | 1999-07-19 | 2001-08-23 | Lo Jason S. H. | Reinforcement preform and metal matrix composites including the reinforcement preform |
| CN1676645A (en) * | 2005-04-14 | 2005-10-05 | 北京科技大学 | Nano granule reinforced high-tough cast magnesium alloy and its preparing and shaping process |
| CN103121095A (en) * | 2013-03-12 | 2013-05-29 | 中北大学 | Squeeze casting preparation technology of AZ91D rare earth magnesium alloy |
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Application publication date: 20171229 |