CN108546852A - A kind of compression casting aluminium alloy - Google Patents
A kind of compression casting aluminium alloy Download PDFInfo
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- CN108546852A CN108546852A CN201810616755.2A CN201810616755A CN108546852A CN 108546852 A CN108546852 A CN 108546852A CN 201810616755 A CN201810616755 A CN 201810616755A CN 108546852 A CN108546852 A CN 108546852A
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- aluminium alloy
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- compression casting
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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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- Materials Engineering (AREA)
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Abstract
The present invention provides a kind of compression casting aluminium alloy, which is characterized in that contains：Si：5.5~11.0 weight %, Mg：0.3~0.7 weight %, Cu：0.05~0.3 weight %, Fe：0.2 weight % or less, Mn：0.2~0.5 weight %, Cr：0.05~0.07 weight %, Sr：0.01~0.1 weight %, Sb：0.05~0.20 weight %, Ni：0.001~0.02 weight %, surplus include Al and inevitable impurity.Compression casting provided by the present invention has preferable yield strength and elongation percentage with aluminium alloy, and heat conductivity is excellent, and not easy-sintering.
Description
Technical field
The present invention relates to a kind of compression casting aluminium alloy more particularly to a kind of yield strength and elongation percentage height, heat transfer
The excellent compression casting aluminium alloy of property.
Background technology
Aluminium alloy is the alloy general name using aluminium as base.Main alloy element has copper, silicon, magnesium, zinc, manganese, secondary alloying element
There are nickel, iron, titanium, chromium, lithium etc..Aluminium alloy is most widely used one kind non-ferrous metal structural material in industry, light-weight, and
Also there are many characteristics such as excellent thermal conductivity and high corrosion resistance, in Aeronautics and Astronautics, automobile, machine-building, ship and change
It learns and has been widely applied in industry.
Aluminium alloy can be divided into Behaviors of Deformed Aluminum Alloys and cast aluminium alloy gold two major classes by processing method.Wherein cast aluminium alloy gold is pressed
Chemical composition can be divided into alusil alloy, aluminium copper, almag, alumin(i)um zinc alloy and Al rare earth alloy, wherein alusil alloy again
There is simple alusil alloy (being unable to heat treatment reinforcement, mechanical property is relatively low, good casting property), special alusil alloy (can be heat-treated
Strengthen, mechanical property is higher, and casting character is good), cast aluminium alloy gold：It is used under as cast condition.
Compression casting abbreviation die casting, be it is a kind of molten alloy liquid is poured into pressure chamber, to fill the type of steel die at a high speed
Chamber, and so that aluminium alloy is solidified under stress and form the casting method of casting.Die casting is different from the main spy of other casting methods
Point is high pressure and high speed.
Aluminium diecasting alloy field, as its representative, have ADC 10 specified in Japanese Industrial Standards JIS H5302 or
ADC 12 is the A1-Si-Cu systems alloy for die casting of representative.The Al-Si-Cu systems alloy for die casting be chiefly used in automobile carburetor,
In cast member other than the purposes such as the lids such as cylinder block, cylinder head class and shell class or automobile, particularly die-cast part.By
In the extensive use of aluminium diecasting alloy, project is also an important issue to the research of aluminium diecasting alloy.
The casting aluminum alloy yield strength and elongation percentage provided at present is preferable, but electric conductivity is poor, it is difficult to full
Use demand of the foot for yield strength, elongation percentage and the high material of conduction needs.
Invention content
The purpose of the present invention is to provide a kind of yield strength and elongation percentage are excellent, not easy-sintering, and heat conductivity is excellent
Different compression casting aluminium alloy.
Compression casting aluminium alloy provided by the present invention, contains：Si：5.5~11.0 weight %, Mg：0.3~0.7 weight
Measure %, Cu：0.05~0.3 weight %, Fe：0.2 weight % or less, Mn：0.2~0.5 weight %, Cr：0.05~0.07 weight
Measure %, Sr：0.01~0.1 weight %, Sb：0.05~0.20 weight %, Ni：0.001~0.02 weight %, surplus include Al and
Inevitable impurity.
A kind of preferred compression casting aluminium alloy, contains：Si：5.5~8.5 weight %, Mg：0.3~0.4 weight %,
Cu：0.05~0.15 weight %, Fe：0.15 weight %, Mn：0.2~0.3 weight %, Cr：0.05~0.06 weight %, Sr：
0.01~0.02 weight %, Sb：0.05~0.15 weight %, Ni：0.001~0.02 weight %, surplus includes Al and can not keep away
The impurity exempted from.
Si is for improving its mobility in compression casting after by aluminum alloy melts.
Mg (magnesium) mainly exists using the state of solid solution or as Mg2Si in the Al base materials in aluminium alloy, for assigning
Aluminium alloy yield strength and tensile strength.
The presence of Cu (copper) can make the conductivity of alloy be maintained at a relatively high level.
Sintering when Fe (iron) has the effect of preventing compression casting.
Mn (manganese) is also mainly used for preventing the sintering of aluminium alloy and model when casting.
Cr (chromium) mainly exists in aluminum alloy melts with molten condition.
Sr can further increase the toughness and intensity of aluminium alloy.
Sb's is added with the tensile strength for being conducive to improve alloy.
Ni's is added with the mobility for being conducive to improve aluminium alloy, improves the high-temperature behavior of alloy.
Meanwhile prevent casting when aluminium alloy and model sintering.And due to coordinated 0.05~0.3 weight % Ti and
The V of 0.05~0.3 weight % inhibits crystal grain to grow up, and obtains uniformly tiny grain structure, improve alloy sintering character and
Elongation percentage.
The present invention is by being coordinated 10 kinds of elemental compositions in defined ratio, it will be able to produce yield strength, prolong
It stretches rate and conductivity is excellent, be not susceptible to be sintered, the ingot casting of the compression casting aluminium alloy with preferable Mechanical Processability.
The aluminium alloy of compression casting provided by the present invention aluminium alloy and the high tenacity made of the alloy compression casting
Casting not only has higher yield strength and elongation percentage, but also has excellent conductivity, not easy-sintering.
Specific implementation mode
Of the invention for ease of understanding, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is used only for helping to understand the present invention, should not be regarded as a specific limitation of the invention.
In the following, enumerating embodiment illustrates the present invention, but the present invention is not limited to embodiments.
Embodiment
Compression casting aluminium alloy, contains：Si：8 weight %, Mg：0.3 weight %, Cu：0.05 weight %, Fe：0.15 weight
Measure %, Mn：0.2 weight %, Cr：0.05 weight %, Sr：0.01 weight %, Sb：0.05 weight %, Ni：0.001 weight %,
Surplus includes Al and inevitable impurity.
When manufacturing the aluminium alloy of the present invention, first, prepare each element of Al, Si, Mg, Cu, Fe, Mn, Cr, Sr, Sb, Ni
The raw material that ingredient is coordinated in above-mentioned defined ratio.Then, which is put into the melting furnace with forehearth or closed melting furnace
Etc. in melting furnaces, so that them is melted.For raw material, that is, molten aluminium alloy after fusing, implement Dehydroepiandrosterone derivative and de- folder as needed
The refinement treatments such as sundries processing.Then, refined melt is poured into defined casting mold, makes its solidification, as a result, by aluminium alloy
Melt be configured to alloy cast ingot etc..
Compression casting provided by the present invention not only has higher yield strength and elongation percentage with aluminium alloy, but also has
Excellent conductivity, not easy-sintering.
In addition, the compression castings such as casting die can be used when using aluminium alloy Casting Aluminum Alloy Based (casting piece) of the invention
Method.It, being capable of efficiently mass production casting piece by using such pressure casting method.
In addition, by aluminium alloy castings made from these castings, it is capable of the mechanical property of improved aluminum alloy casting.
Applicant states that the present invention illustrates detailed process equipment and the technological process of the present invention by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological processes, that is, it is above-mentioned detailed not mean that the present invention has to rely on
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
The addition of equivalence replacement and auxiliary element to each raw material of product of the present invention, the selection etc. of concrete mode all fall within the present invention's
Within protection domain and the open scope.
Claims (2)
1. a kind of compression casting aluminium alloy, which is characterized in that contain：Si：5.5~11.0 weight %, Mg：0.3~0.7 weight
Measure %, Cu：0.05~0.3 weight %, Fe：0.2 weight % or less, Mn：0.2~0.5 weight %, Cr：0.05~0.07 weight
Measure %, Sr：0.01~0.1 weight %, Sb：0.05~0.20 weight %, Ni：0.001~0.02 weight %, surplus include Al and
Inevitable impurity.
2. a kind of compression casting aluminium alloy according to claim 1, which is characterized in that contain：Si：5.5~8.5 weights
Measure %, Mg：0.3~0.4 weight %, Cu：0.05~0.15 weight %, Fe：0.15 weight %, Mn：0.2~0.3 weight %,
Cr：0.05~0.06 weight %, Sr：0.01~0.02 weight %, Sb：0.05~0.15 weight %, Ni：0.001~0.02 weight
% is measured, surplus includes Al and inevitable impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616755.2A CN108546852A (en) | 2018-06-15 | 2018-06-15 | A kind of compression casting aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616755.2A CN108546852A (en) | 2018-06-15 | 2018-06-15 | A kind of compression casting aluminium alloy |
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| Publication Number | Publication Date |
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| CN108546852A true CN108546852A (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810616755.2A Pending CN108546852A (en) | 2018-06-15 | 2018-06-15 | A kind of compression casting aluminium alloy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230074A (en) * | 2020-01-21 | 2020-06-05 | 浙江诺达信汽车配件有限公司 | Balancing device for baby carriage |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676887A (en) * | 2012-06-11 | 2012-09-19 | 东莞市闻誉实业有限公司 | Aluminum alloy for compression casting and casting of aluminum alloy |
-
2018
- 2018-06-15 CN CN201810616755.2A patent/CN108546852A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676887A (en) * | 2012-06-11 | 2012-09-19 | 东莞市闻誉实业有限公司 | Aluminum alloy for compression casting and casting of aluminum alloy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230074A (en) * | 2020-01-21 | 2020-06-05 | 浙江诺达信汽车配件有限公司 | Balancing device for baby carriage |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180918 |
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| WD01 | Invention patent application deemed withdrawn after publication |