CN85102364A - Si-mn-te series aluminum casting alloy - Google Patents
Si-mn-te series aluminum casting alloy Download PDFInfo
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- CN85102364A CN85102364A CN 85102364 CN85102364A CN85102364A CN 85102364 A CN85102364 A CN 85102364A CN 85102364 CN85102364 CN 85102364 CN 85102364 A CN85102364 A CN 85102364A CN 85102364 A CN85102364 A CN 85102364A
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Abstract
The present invention is the cast aluminium alloy with high-ductility, contain 5.5%～9.5% silicon, 0.2%～0.8% manganese, and adopt and in alloy, to add 0.001%～0.200% tellurium or to add 0.001%～0.200% tellurium and the technical measures of the combined microalloying of 0.1%～0.2% antimony.Aluminium alloy of the present invention is when keeping better intensity, and unit elongation can reach about 16%, and good casting property, and machinability is good, and air-breathing tendency is very little during melting, is suitable for being manufactured on the foundry goods that withstands shocks for a long time below 150 ℃ and load.
Description
The invention belongs to cast aluminium alloy material.
From the data of having announced, in the casting Al-Si class alloy, unit elongation reaches more than 10%, still keeps 20Kg/mm simultaneously
2About breaking tenacity ultimate alloy have not yet to see.In the world the high plasticity casting Al-Si class alloy of Gong Rening be Britain the LM22 alloy (main chemical compositions is: Si4%～6%, Cu2.8%～3.8%, Mn0.2%～0.6%, Fe0.6%, all the other are Al.), also just can reach 9% under the situation of die casting or at the unit elongation of chill casting casing after solutionizing processing and timeliness.If one or more casting Al-Si class alloy materials with high-ductility can be provided,, be thing highly significant to prolonging the life-span that is in the parts of work under the impact load for a long time.
Aim of the present invention is to obtain the superior high plasticity alloy cast aluminum of castability.The technical measures of being taked are microalloying or combined microalloying, make the intensity of alloy can remain on higher level, and have the certain high temperature mechanical property.Alloy of the present invention has reached domestic and international unprecedented level in the cooperation of intensity and unit elongation.
Main points of the present invention are: on the basis of the higher binary Al-Si alloy of silicon content, add a certain amount of ageing strengthening element manganese, and trace alloying element tellurium or tellurium and antimony have correspondingly been added, its add-on is the tellurium of 0.001%～0.200% tellurium or 0.001%～0.200% and 0.1%～0.2% antimony, and the titanium that adds 0.1%～0.2%.Alloy of the present invention can adopt general smelting equipment and industrial pure material formulated.High-plasticity casting aluminum alloy material of the present invention, its chemical ingredients scope can be controlled in:
ZLAlSi7MnTeTi:Si5.5%～9.5%, Mn0.2～0.8%, Te0.001%～0.200%, Ti0.1%～0.2%, all the other are Al; The impurity level that allows be Fe below 0.4%, Cu is below 0.2%, Mg is below 0.1%.
ZLAlSi7MnTeSbTi:Si5.5%～9.5%, Mn0.2%～0.8%, Te0.001%～0.200%, Sb0.1%～0.2%, Ti0.1%～0.2%, all the other are Al; The impurity level that allows be Fe below 0.4%, Cu is below 0.2%, Mg is below 0.1%.
Because this alloy is to have added an amount of manganese on Al-Si alloy basis, adopted tellurium or tellurium and strontium compound microalloyed technical measures again, so, good casting property not only, main is to make alloy obtain high unit elongation, keeps higher strength level simultaneously.After the fusing of this alloying ingredient, become the mechanical property sample of standard with sand mold or metal type cast, carry out mechanical property mensuration without mechanical workout, after corresponding thermal treatment, the performance index that obtained are compared with domestic and international close cast aluminium alloy: the unit elongation of alloy of the present invention exceeds 6～8 times than ZL104, higher by about 80% than the LM22 alloy of Britain, and intensity has only descended about 20%.Alloy of the present invention also has good casting property; Machinability is good; Advantages such as melting process is easy.This alloy adopts industrial pure material and general smelting equipment to make.Especially it can reach 0.4% to the span of control of iron-holder, so can be wideer to the material purity requirement.
Alloy of the present invention is applicable to sand mold casting, permanent mold casting or low-pressure casting.Can be used to make the foundry goods that requirement complex-shaped or the book wall withstands shocks and loads, this alloy-steel casting can long term operation in 100 ℃～150 ℃ temperature range.Also can be used for the alloying ingot casting.
Claims (1)
- High plasticity alloy cast aluminum, contain 5.5%～9.5% silicon in its chemical ingredients, 0.2%～0.8% manganese, 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 |
|---|---|---|---|
| CN85102364A CN85102364B (en) | 1985-04-01 | 1985-04-01 | Si-mn-te series aluminum casting alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85102364A CN85102364B (en) | 1985-04-01 | 1985-04-01 | Si-mn-te series aluminum casting alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85102364A true CN85102364A (en) | 1986-07-02 |
| CN85102364B CN85102364B (en) | 1988-09-14 |
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ID=4792452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85102364A Expired CN85102364B (en) | 1985-04-01 | 1985-04-01 | Si-mn-te series aluminum casting alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85102364B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695734A (en) * | 2013-12-06 | 2014-04-02 | 天津立中合金集团有限公司 | Novel lasting refined modified hypo eutectic aluminum alloy material and preparation method thereof |
| 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 |
-
1985
- 1985-04-01 CN CN85102364A patent/CN85102364B/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695734A (en) * | 2013-12-06 | 2014-04-02 | 天津立中合金集团有限公司 | Novel lasting refined modified hypo eutectic aluminum alloy material and preparation method thereof |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN85102364B (en) | 1988-09-14 |
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