Research on Nondendritic Semi-Solid AlSi7Mg Alloy Billet Cast Continuously and Its Thixoforging

Mao Weimin Cui Chenglin Zhao Aimin Zhai Huaying Zhen Zisheng Zhong Xueyou

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Research on Nondendritic Semi-Solid AlSi7Mg Alloy Billet Cast Continuously and Its Thixoforging
Issue S1, Pages: 225-227(2001)
Published： 2001 ，
DOI：

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[1]毛卫民,崔成林,赵爱民,翟华英,甄子胜,钟雪友,李述刚,李亚军.半固态AlSi7Mg合金坯料连续制备和触变成形研究[J].特种铸造及有色合金,2001(S1):225-227.

Mao Weimin Cui Chenglin Zhao Aimin Zhai Huaying Zhen Zisheng Zhong Xueyou. Research on Nondendritic Semi-Solid AlSi7Mg Alloy Billet Cast Continuously and Its Thixoforging. [J]. Special Casting & Nonferrous Alloys (S1):225-227(2001)
[1]毛卫民,崔成林,赵爱民,翟华英,甄子胜,钟雪友,李述刚,李亚军.半固态AlSi7Mg合金坯料连续制备和触变成形研究[J].特种铸造及有色合金,2001(S1):225-227. DOI：

Mao Weimin Cui Chenglin Zhao Aimin Zhai Huaying Zhen Zisheng Zhong Xueyou. Research on Nondendritic Semi-Solid AlSi7Mg Alloy Billet Cast Continuously and Its Thixoforging. [J]. Special Casting & Nonferrous Alloys (S1):225-227(2001) DOI：

摘要

系统研究了半固态AlSi7Mg合金连铸坯料的制备和触变成形。研究表明:在电磁搅拌下

制备出半固态AlSi7Mg合金连铸坯料

合适的连铸速度为1.5～3 mm/s;半固态AlSi7Mg合金坯料的合适加热温度为580～590℃;在模具温度100～300℃和比压15～25 MPa条件下

触变锻造出汽车制动总泵体和比例阀毛坯。

Abstract

The nondendritic semi-solid AlSi7Mg alloy billet cast continuously and its thixoforging has been studied systematically in this paper. The results show that the billets of Semi - Solid AlSi7Mg Alloy cast continuously at the rate of 1.5- 3 mm/s can be made under electromagnetic stirring

that the proper reheating temperature of the billets is from 580 ℃to 590 ℃

and that when the die mould temperature is 100 ℃ to 300 ℃ and the pressure is 15 to 25 MPa

the master brake cylinders and scale valves can be thixoforged successfully.