CN85102203A - Si, cu and te series high plasticity alloy cast aluminum - Google Patents
Si, cu and te series high plasticity alloy cast aluminum Download PDFInfo
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- CN85102203A CN85102203A CN 85102203 CN85102203A CN85102203A CN 85102203 A CN85102203 A CN 85102203A CN 85102203 CN85102203 CN 85102203 CN 85102203 A CN85102203 A CN 85102203A CN 85102203 A CN85102203 A CN 85102203A
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Abstract
The present invention is the cast aluminium alloy with high-ductility, contains 7%～6% silicon, 0.5%～2.0% copper, and add 0.001%～0.200% tellurium or add 0.001%～0.200% tellurium and 0.1%～0.2% antimony to play combined microalloying.Aluminium alloy of the present invention all keeps intensity preferably in room temperature and high temperature, and its unit elongation maximum can reach 18.0%.Aluminium alloy casting performance of the present invention is good, dense structure, machinability is good, is suitable for making the complex-shaped foundry goods or the thin-section casting of the load that withstands shocks that requires high-ductility, is more suitable for the foundry goods that is hit of working under 100 ℃～200 ℃ temperature in being manufactured on.
Description
The invention belongs to cast aluminium alloy material.
Casting Al-Si class alloy has a series of advantage: good casting property for example; Wear resistance is good; Processing characteristics is better; Mechanical property satisfies general use etc. after rotten the processing.But to the foundry goods of some special purposes, for example bear the foundry goods of greater impact load, conventional cast Al-Si alloy just can not meet the demands.If will make the intensity of casting Al-Si alloy keep higher level, then unit elongation is difficult to surpass 10% in general.Even the unit elongation of fine aluminium also just can reach 11%～15%, and its tensile strength (σ
b) have only 9～12Kg/mm
2, and its castability is poor.The LM22 and the LM22W alloy of Britain are the good cast Al-Si alloys of plasticity of generally acknowledging at present, its main chemical compositions is: Si4%～6%, Cu2.8%～3.8%, Mn0.2%～0.6%, Fe0.6%, Ti0.2% also has impurity elements such as a spot of Zn, Mg, Ni, Pb, Sn in addition, and their unit elongation after chill casting casing or pressure die casting just reach 8.0%.Just reach 5%～6% and the unit elongation of the casting of China aluminium-silicon class alloy is the highest.
The present invention is exactly in order to satisfy the needs of the load foundry goods that withstands shocks, the advantage that keeps Al-Si class alloy, overcome the low shortcoming of its unit elongation, adopt the technical measures of microalloying and combined microalloying, adjust the content of alloying element and the high plasticity alloy cast aluminum developed.Aluminium alloy of the present invention is to keep improving the unit elongation index greatly on the better intensity based.
Main points of the present invention are, have kept sufficiently high silicon content, make its castability enough good.In order to make alloy strength under room temperature and high temperature, can both remain on higher level, so added the copper of some amount, and correspondingly added on this basis and can improve castability, improve tissue, improve tellurium or the tellurium and the antimony of machinability and comprehensive mechanical performance, its addition is respectively the tellurium of 0.001%～0.200% tellurium or 0.001%～0.200% and 0.1%～0.2% antimony, has also added the element ti of crystal grain thinning in addition.The present invention can be formulated with common melting equipment and industrial pure material.Its chemical ingredients scope can be controlled in:
ZLAlSi8CuTeTi:Si7%～9%, Cu0.5%～2.0%, Te0.001%～0.200%, Ti0.1%～0.2%, all the other are Al; The impurity allowed band is below the Fe0.2%, below the Mn0.1%, below the Zn0.5%.
ZLAlSi8CuTeS
bTi:Si7%～9%, Cu0.5%～2.0%, Te0.001%～0.200%, S
b0.1%～0.2%, Ti0.1%～0.2%, all the other are aluminium; The impurity allowed band is: below the Fe0.2%, below the Mn0.1%, below the Zn0.5%.
Alloy liquid of the present invention is poured into the mechanical property coupon of standard, without mechanical workout, and carry out tension test after the thermal treatment accordingly, its result compares with China ZL106, and tensile strength is suitable, but unit elongation improves more than 10 times; With Britain LM22 alloy phase ratio, tensile strength is low slightly, and unit elongation improves 30%～100%; Even compare with fine aluminium, unit elongation is suitable, and intensity improves 30%～100%.Alloy of the present invention also has good casting property; Machinability is good; Thermal expansivity is little; The close property of Cause is good; Especially alloy liquid kept 8 hours under smelting temperature or through remelting three times, still can keep its mechanical property degradation characteristics not substantially.
Alloy of the present invention is applicable to sand mold casting, permanent mold casting, low-pressure casting and pressure die casting; Can be used to make complex-shaped or wall book and require the foundry goods of high-ductility, be particularly useful for about 100 ℃～200 ℃, the withstand shocks foundry goods of load of working temperature, also can be used for the alloying ingot casting.
Claims (1)
- High plasticity alloy cast aluminum, contain 7%～9% silicon in its chemical ingredients, 0.5%～2.0% copper, 0.1%～0.2% titanium, all the other are aluminium, feature of the present invention is to add 0.001%～0.200% tellurium or add 0.001%～0.200% tellurium and 0.1%～0.2% antimony in this alloy, as alloy element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85102203A CN85102203B (en) | 1985-04-01 | 1985-04-01 | The aluminium Si, Cu and Te series high plasticity alloy cast aluminum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85102203A CN85102203B (en) | 1985-04-01 | 1985-04-01 | The aluminium Si, Cu and Te series high plasticity alloy cast aluminum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85102203A true CN85102203A (en) | 1986-07-02 |
| CN85102203B CN85102203B (en) | 1988-09-21 |
Family
ID=4792332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85102203A Expired CN85102203B (en) | 1985-04-01 | 1985-04-01 | The aluminium Si, Cu and Te series high plasticity alloy cast aluminum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85102203B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725933A (en) * | 2013-12-17 | 2014-04-16 | 芜湖万润机械有限责任公司 | Preparation method of aluminium alloy section for diesel engine piston |
| CN104213005A (en) * | 2014-09-18 | 2014-12-17 | 无锡贺邦金属制品有限公司 | Manufacturing method of aluminium alloy die-casting part |
| CN104213006A (en) * | 2014-09-18 | 2014-12-17 | 无锡贺邦金属制品有限公司 | Aluminium alloy die-casting part |
| CN113755721A (en) * | 2020-06-01 | 2021-12-07 | 中国石油化工股份有限公司 | Aluminum-silicon-tellurium-copper magnetic alloy, preparation method and application thereof |
-
1985
- 1985-04-01 CN CN85102203A patent/CN85102203B/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725933A (en) * | 2013-12-17 | 2014-04-16 | 芜湖万润机械有限责任公司 | Preparation method of aluminium alloy section for diesel engine piston |
| CN104213005A (en) * | 2014-09-18 | 2014-12-17 | 无锡贺邦金属制品有限公司 | Manufacturing method of aluminium alloy die-casting part |
| CN104213006A (en) * | 2014-09-18 | 2014-12-17 | 无锡贺邦金属制品有限公司 | Aluminium alloy die-casting part |
| CN113755721A (en) * | 2020-06-01 | 2021-12-07 | 中国石油化工股份有限公司 | Aluminum-silicon-tellurium-copper magnetic alloy, preparation method and application thereof |
| CN113755721B (en) * | 2020-06-01 | 2022-06-28 | 中国石油化工股份有限公司 | Aluminum-silicon-tellurium-copper magnetic alloy, preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN85102203B (en) | 1988-09-21 |
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