Primary Investigation of Friction-welding Technology for Al-Si Piston Alloy

Zhang Yilin1; Gao Zhanyu1; Zhang Guohua1; Liu Xiangfa2

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Primary Investigation of Friction-welding Technology for Al-Si Piston Alloy
Vol. 29, Issue 7, Pages: 665-668(2009)
Published： 2009 ，
DOI：

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[1]张屹林,高占雨,张国华,刘相法.铝硅活塞摩擦焊接工艺初探[J].特种铸造及有色合金,2009,29(07):665-668+587.

Zhang Yilin1, Gao Zhanyu1, Zhang Guohua1, et al. Primary Investigation of Friction-welding Technology for Al-Si Piston Alloy. [J]. Special Casting & Nonferrous Alloys 29(7):665-668(2009)
[1]张屹林,高占雨,张国华,刘相法.铝硅活塞摩擦焊接工艺初探[J].特种铸造及有色合金,2009,29(07):665-668+587. DOI：

Zhang Yilin1, Gao Zhanyu1, Zhang Guohua1, et al. Primary Investigation of Friction-welding Technology for Al-Si Piston Alloy. [J]. Special Casting & Nonferrous Alloys 29(7):665-668(2009) DOI：

摘要

对铝硅合金活塞的摩擦焊接工艺进行了初步试验研究。结果表明

铸造铝硅合金采用摩擦焊接方法可以形成焊接接头。采用较高摩擦压力和顶锻压力及较短的摩擦时间

可获得良好的焊接接头

此时活塞内冷油道的内圈和外圈焊接接头的强度均达到了母材强度要求。

Abstract

Friction-welding techniques for Al-Si alloy piston were investigated. The results indicate that cast Al-Si alloy can be welded by friction-welding method. The desirable welding joint can be formed in the cast Al-Si alloy piston by applying a higher frictional pressure and punching pressure and a shorter frictional time

and tensile strength of inner and outer welding joint in piston cooling galley are meet the strength requirements of the matrix alloy.