CN101798648A - Rust-proof diecasting aluminum-silicon alloy - Google Patents
Rust-proof diecasting aluminum-silicon alloy Download PDFInfo
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- CN101798648A CN101798648A CN200910102438A CN200910102438A CN101798648A CN 101798648 A CN101798648 A CN 101798648A CN 200910102438 A CN200910102438 A CN 200910102438A CN 200910102438 A CN200910102438 A CN 200910102438A CN 101798648 A CN101798648 A CN 101798648A
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Abstract
The invention relates to a rust-proof diecasting aluminum-silicon alloy. The alloy comprises the following chemical compositions by weight percent: 9-12% of Si, 0.3-0.70% of Mg, 0.01% or less of Sn, 0.08% or less of Cu, 1.0% or less of Fe, 0.20% or less of Zn, 0.3-0.6% of Mn, 0.2% or less of Ni and the balance Al. The aluminum-silicon alloy is prepared by using more than 99.7% of pure aluminum and over 2-class crystal silicon along with trace elements to smelt in a medium frequency electromagnetic oven, refining in the medium frequency electromagnetic oven, degassing and pouring into ingots. The rust-proof diecasting aluminum-silicon alloy has good toughness, plasticity and strength, the corrosion resistance is far better than that of the similar alloy die-casting parts and the application range in harsh environment of the aluminum-silicon alloy is widened.
Description
Technical field
The present invention relates to a kind of rust-proof diecasting aluminum-silicon alloy, relate in particular to a kind of aluminum silicon alloy material of marine high speed motor dory thruster foundry goods die casting with rustless property.
Background technology
Be used for marine high speed motor dory propeller structure spare, because of thruster is worked down at water (seawater) for a long time, require employed material should have certain corrosion resistance, because motor dory is had relatively high expectations to the weight of material, production lot is big, can not use bigger materials such as the stainless steel casting of proportion, existing thruster casting material cost of manufacture height, corrosion resistance is poor.
Summary of the invention
Technical problem to be solved by this invention provides the rust-proof diecasting aluminum-silicon alloy that is used for pressure die casting that a kind of material is light, corrosion resistance is good and be suitable for producing in enormous quantities.
A kind of rust-proof diecasting aluminum-silicon alloy, chemical constitution are Si:9%-12%; Mg:0.3%-0.70%; Sn :≤0.01%; Cu :≤0.08%; Fe :≤1.0%; Zn :≤0.20%; Mn:0.3-0.6%; Ni :≤0.2%; Surplus is Al.
This aluminum silicon alloy is that to be aided with above-mentioned trace element with the fine aluminium more than 99.7%, silicon metal more than 2 grades formulated, smelts to produce with the intermediate frequency electromagnetic oven again to make, and gets final product casting ingot-forming in intermediate frequency electromagnetic oven refining degassing processing at last.
Adopt the beneficial effect of technique scheme to be:
The present invention has excellent toughness, plasticity and intensity, and corrosion resistance nature is better than similar alloy die casting foundry goods greatly, has improved the range of application of aluminium silicon class alloy under severe environment.
Embodiment
A kind of rust-proof diecasting aluminum-silicon alloy, chemical constitution are Si:9%-12%; Mg:0.3%-0.70%; Sn :≤0.01%; Cu :≤0.08%; Fe :≤1.0%; Zn :≤0.20%; Mn:0.3-0.6%; Ni :≤0.2%; Surplus is Al.
Above-mentioned rust-proof diecasting aluminum-silicon alloy is to make with the preparation method that electrolytic aluminum, Pure Silicon Metal are smelted alloy for die casting with the intermediate frequency electromagnetism, it is formulated to be aided with above-mentioned trace element with the fine aluminium more than 99.7%, silicon metal more than 2 grades more precisely, smelt with the intermediate frequency electromagnetic oven again and produce a kind of rust-proof diecasting aluminum-silicon alloy, get final product casting ingot-forming in intermediate frequency electromagnetic oven refining degassing processing at last, be used to have the die casting production of certain antirust requirement.This class foundry goods makes full use of the intermediate frequency electromagnetic oven from the principle that stirs, and it is accurate to reach alloy composition, and microstructure is even, very little intergranular corrosion tendency.Therefore, it has excellent toughness, plasticity and intensity, and corrosion resistance nature is better than similar alloy die casting foundry goods greatly.
For preventing to increase iron, increase copper, can not use irony, copper crucible to smelt, in order to ensure this material crystal structure densification, stable αGu Rongti and (α+Si) eutectic and strengthening phase, employing has electromagnetism and smelts from the intermediate frequency furnace of agitating function, use homemade deslagging agent and refining agent that alloy is carried out refining in the smelting process, make it to have fine qualities.
Owing to have higher rustless property and a favorable mechanical performance, this alloy can be widely used in bearing high loading, and complex-shaped aircraft, boats and ships and auto parts are mainly used in the pressure die casting process of production in enormous quantities.
Claims (1)
1. rust-proof diecasting aluminum-silicon alloy, it is characterized in that: chemical constitution is Si:9%-12%; Mg:0.3%-0.70%; Sn :≤0.01%; Cu :≤0.08%; Fe :≤1.0%; Zn :≤0.20%; Mn:0.3-0.6%; Ni :≤0.2%; Surplus is Al, and this aluminum silicon alloy is that to be aided with above-mentioned trace element with the fine aluminium more than 99.7%, silicon metal more than 2 grades formulated, smelts to produce with the intermediate frequency electromagnetic oven again to make, and gets final product casting ingot-forming in intermediate frequency electromagnetic oven refining degassing processing at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910102438A CN101798648A (en) | 2009-02-10 | 2009-02-10 | Rust-proof diecasting aluminum-silicon alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910102438A CN101798648A (en) | 2009-02-10 | 2009-02-10 | Rust-proof diecasting aluminum-silicon alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101798648A true CN101798648A (en) | 2010-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910102438A Pending CN101798648A (en) | 2009-02-10 | 2009-02-10 | Rust-proof diecasting aluminum-silicon alloy |
Country Status (1)
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| CN (1) | CN101798648A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102703774A (en) * | 2012-06-27 | 2012-10-03 | 贵阳华烽有色铸造有限公司 | Cast aluminum alloy |
| CN103667815A (en) * | 2013-11-27 | 2014-03-26 | 浙江鸿峰铝业有限公司 | Die-casting aluminum alloy |
| CN105177362A (en) * | 2015-06-29 | 2015-12-23 | 安徽越天特种车桥有限公司 | High-strength composite aluminum alloy automobile part mixed with nano titanium carbide powder and casting technology of high-strength composite aluminum alloy automobile part |
| CN105220025A (en) * | 2014-06-06 | 2016-01-06 | 华为技术有限公司 | A kind of aluminium diecast alloy and preparation method thereof and communication product |
| CN109332631A (en) * | 2018-11-02 | 2019-02-15 | 广东鸿图科技股份有限公司 | A kind of communication box body hypothermia die-casting process |
| CN109457146A (en) * | 2017-09-06 | 2019-03-12 | 华为技术有限公司 | Plate in high thermal conductivity aluminium alloy and preparation method thereof and mobile phone |
| CN113462914A (en) * | 2021-07-02 | 2021-10-01 | 顺博合金江苏有限公司 | Corrosion-resistant aluminum ingot and preparation method thereof |
-
2009
- 2009-02-10 CN CN200910102438A patent/CN101798648A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102703774A (en) * | 2012-06-27 | 2012-10-03 | 贵阳华烽有色铸造有限公司 | Cast aluminum alloy |
| CN103667815A (en) * | 2013-11-27 | 2014-03-26 | 浙江鸿峰铝业有限公司 | Die-casting aluminum alloy |
| CN105220025A (en) * | 2014-06-06 | 2016-01-06 | 华为技术有限公司 | A kind of aluminium diecast alloy and preparation method thereof and communication product |
| CN105220025B (en) * | 2014-06-06 | 2018-03-16 | 华为技术有限公司 | A kind of pack alloy and preparation method thereof and communication product |
| US10337085B2 (en) | 2014-06-06 | 2019-07-02 | Huawei Technologies Co., Ltd. | Die casting aluminum alloy and production method thereof, and communications product |
| CN105177362A (en) * | 2015-06-29 | 2015-12-23 | 安徽越天特种车桥有限公司 | High-strength composite aluminum alloy automobile part mixed with nano titanium carbide powder and casting technology of high-strength composite aluminum alloy automobile part |
| CN109457146A (en) * | 2017-09-06 | 2019-03-12 | 华为技术有限公司 | Plate in high thermal conductivity aluminium alloy and preparation method thereof and mobile phone |
| CN109457146B (en) * | 2017-09-06 | 2021-03-19 | 华为技术有限公司 | High-thermal-conductivity aluminum alloy, preparation method thereof and mobile phone middle plate |
| CN109332631A (en) * | 2018-11-02 | 2019-02-15 | 广东鸿图科技股份有限公司 | A kind of communication box body hypothermia die-casting process |
| CN113462914A (en) * | 2021-07-02 | 2021-10-01 | 顺博合金江苏有限公司 | Corrosion-resistant aluminum ingot and preparation method thereof |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20100811 |