Effects of Cu and Zr Addition on the Tensile Properties, Corrosion Characteristics and Interfacial Compounds with Cast Iron of Al-Si-Mg Alloy for Compound Casting

Kyoung-Min Min; Ki-Chae Jung; Je-Sik Shin; Jeong-Min Kim

doi:10.3740/MRSK.2023.33.1.8

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2023 Vol.33, Issue 1 Preview Page Next Page

Research Paper

Effects of Cu and Zr Addition on the Tensile Properties, Corrosion Characteristics and Interfacial Compounds with Cast Iron of Al-Si-Mg Alloy for Compound Casting 복합주조용 Al-Si-Mg 합금의 인장성질, 부식특성 및 주철과의 접합계면 화합물에 미치는 Cu 및 Zr 첨가의 영향

27 January 2023. pp. 8-14

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Abstract

In order to broaden the range of application of light weight aluminum alloys, it is necessary to enhance the mechanical properties of the alloys and combine them with other materials, such as cast iron. In this study, the effects of adding small amounts of Cu and Zr to the Al-Si-Mg based alloy on tensile properties and corrosion characteristics were investigated, and the effect of the addition on the interfacial compounds layer with the cast iron was also analyzed. Although the tensile strength of the Al-Si-Mg alloy was not significantly affected by the additions of Cu and Zr, the corrosion resistance in 3.5 %NaCl solution was found to be somewhat lowered in this research. The influence of Cu and Zr addition on the type and thickness of the interfacial compounds layer formed during compound casting with cast iron was not significant, and the main interfacial compounds were identified to be Al5FeSi and Al8Fe2Si phases, as in the case of the Al-Si-Mg alloys.

Keywords

compound casting

Al-Si-Mg alloy

tensile property

corrosion

interfacial layer

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Information

Publisher :Materials Research Society of Korea
Publisher(Ko) :한국재료학회
Journal Title :Korean Journal of Materials Research
Journal Title(Ko) :한국재료학회지
Volume : 33
No :1
Pages :8-14
Received Date : 2022-10-11
Revised Date : 2022-11-23
Accepted Date : 2022-12-14
DOI :https://doi.org/10.3740/MRSK.2023.33.1.8

Korean Journal of Materials Research ISSN:1225-0562(Print) 2287-7258(Online) 한국재료학회지

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