电解Al-Si-Ti合金金相组织和性能

鲁薇华; 王汝耀; 杨留栓; 刘亚民

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电解Al-Si-Ti合金金相组织和性能
Microstructure and Property of Electrolytic Al Si Ti Alloy
1999年第1期
纸质出版日期： 1999 ，
DOI：

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[1]鲁薇华,王汝耀,杨留栓,刘亚民.电解Al-Si-Ti合金金相组织和性能[J].特种铸造及有色合金,1999(01):11-13.

Lu Weihua Wang Ruyao. Microstructure and Property of Electrolytic Al Si Ti Alloy[J]. Special Casting & Nonferrous Alloys, 1999,(1).
[1]鲁薇华,王汝耀,杨留栓,刘亚民.电解Al-Si-Ti合金金相组织和性能[J].特种铸造及有色合金,1999(01):11-13. DOI：

Lu Weihua Wang Ruyao. Microstructure and Property of Electrolytic Al Si Ti Alloy[J]. Special Casting & Nonferrous Alloys, 1999,(1). DOI：

摘要

电解Ａｌ－Ｓｉ－Ｔｉ合金具有强烈的硅、钛和铁的变质作用以及细化铝枝晶的能力。这种合金的细小显微组织对冷却速度不敏感，不因铸件壁厚不同而变化。用电解Ａｌ－Ｓｉ－Ｔｉ合金熔配的铝合金具有较高的塑性和韧性以及较高的室温和高温力学性能。所生产的汽车零件有令人满意的使用性能。

Abstract

The electrolytic Al Si Ti alloy possesses very strong modifying effect of silicon

iron and titanium and excellent ability to refine the α Al dendrite. The refined microstructure is insensitive to cooling rate

being independent of casting thickness. The Al Si alloys with some percentages of electrolytic Al Si Ti alloy charge exhibit high ultimate tensile strength at room and high temperature

excellent toughness and ductility

compared with conventional Al Si alloys. The car parts made of electrolytic Al Si Ti alloy result in good performance.