Influence of Cu and Mg addition on age-related deterioration in strength and creep behavior of Zn-12Al die casting alloys-Reference-Cited by-同舟云学术

Influence of Cu and Mg addition on age-related deterioration in strength and creep behavior of Zn-12Al die casting alloys

Published:2017-01-31 Issue:2 Volume:108 Page:151-154
ISSN:2195-8556
Container-title:International Journal of Materials Research
language:en
Short-container-title:

Author:

Ueshima Nobufumi¹,Liu Xuantong²,Utsumi Hirokazu³,Chiyokubo Takashi³,Horio Katsuhiko⁴,Oikawa Katsunari¹

Affiliation:

1. Department of Metallurgy , Tohoku University, Sendai , Japan

2. Department of Metallurgy , Tohoku University, Sendai, Japan. Present address: Shanghai Hitachi Electrical Appliances Co., Ltd., Shanghai , People's Republic of China

3. Industrial Technology Institute , Miyagi Prefectural Government, Sendai , Japan

4. Horio Seisakusyo Co. , Ltd., Ishinomaki , Japan

Abstract

Abstract The influence of the chemical composition of Zn-12Al-yCu-xMg (y = 1, 5; x = 0.05–1.4 mass%) die casting alloys on age-related deterioration in mechanical strength and creep behavior was investigated. Tensile tests were performed after aging at room temperature for 1 day and at 100 °C for 1 week. Creep tests were carried out under tensile stresses of 25, 50 and 100 MPa at 100, 130 and 160 °C. Cu addition suppressed age-related deterioration of proof stress by suppressing the coarsening of the eutectic structure during the aging. Creep resistance was improved by the Mg addition, whereas the Cu addition has a deleterious effect on creep resistance. The results show that the age-related deterioration of Zn-12Al alloys can be improved without sacrificing creep resistance by the complex addition of Cu and Mg.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics

Link

https://www.degruyter.com/document/doi/10.3139/146.111457/pdf

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