Effects of Vacuum Die Casting Process Parameters on Ultimate Tensile Strength of AZ91D Magnesium Alloy

Hu Bo1 Xiong Shoumei1 Masayuki Murakami2 Yoshihide Matsumoto 2 Shingo Ikeda2

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Effects of Vacuum Die Casting Process Parameters on Ultimate Tensile Strength of AZ91D Magnesium Alloy
Issue S1, Pages: 191-194(2007)
Published：2007
DOI：
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[1]胡泊,熊守美,村上正幸,松本悦豪,池田伸吾.真空压铸工艺参数对AZ91D合金抗拉强度的影响[J].特种铸造及有色合金,2007(S1):191-194. DOI：

Hu Bo1 Xiong Shoumei1 Masayuki Murakami2 Yoshihide Matsumoto 2 Shingo Ikeda2. Effects of Vacuum Die Casting Process Parameters on Ultimate Tensile Strength of AZ91D Magnesium Alloy[J]. Special Casting & Nonferrous Alloys, 2007, (S1): 191-194. DOI：

摘要

应用阶梯试验模具

针对真空压铸中的型腔真空压力、铸造压力和模具温度等工艺参数

对铸件抗拉强度的影响规律进行了正交试验分析。结果表明

真空压力和铸造压力对抗拉强度具有更显著的影响作用。在此基础上

采用力学性能试验模具

针对型腔真空压力和铸造压力因素进行了系统的工艺试验研究

得出了抗拉强度随型腔真空压力和铸造压力的变化规律

并对这两个工艺参数影响抗拉强度的机理进行了分析。

Abstract

The effects of the vacuum pressure

the casting pressure and the die temperature on the ultimate tensile strength （UTS） of die castings were investigated by orthogonalexperiment with a step-shape die casting die.The orthogonal experiment showed that the vacuum pressure and the casting pressure were the most effective process parameters on the UTS of the vacuum die castings.Systematicexperiments were carried out with a mechanical property test die designed according to ASTM standard

the influences of the vacuum pressure and the casting pressure were obtained and the mechanism of the effect of each process parameter on UTS was also discussed.