Research on isothermal fatigue behaviors and mechanism of Mg-12Gd- 3Y-0.5Zr magnesium alloy at different temperatures
Conference: EMIE 2022 - The 2nd International Conference on Electronic Materials and Information Engineering
04/15/2022 - 04/17/2022 at Hangzhou, China
Proceedings: EMIE 2022
Pages: 4Language: englishTyp: PDF
Authors:
Yang, Xiaoming (Jingchu University of Technology, Jinmen City, Hubei province, China)
Abstract:
Isothermal fatigue tests were carried out on Mg-12Gd-3Y-0.5Zr magnesium alloy at room temperature and high temperatures. The experimental results indicates that fatigue strength of Mg-12Gd-3Y-0.5Zr magnesium alloy decrease not apparently with increasing temperature up to 200 °C, but drop sharply at 235 °C which is due to newly activated slip system. The fatigue mechanism of Mg-12Gd-3Y-0.5Zr magnesium alloy was analyzed by Scanning Electron Microscopy (SEM). The factor of temperature variation which lead to cyclic slip and oxidation is main fatigue failure mechanism.