Zr含量对Mg-3Zn-1Y合金显微组织和腐蚀行为的影响

黄涛, 许春香, 杨丽景, 李福霞, 贾庆功, 宽军, 张正卫, 武晓峰, 王中琪

Effect of Zr Addition on Microstructure and Corrosion Behavior of Mg-3Zn-1Y Alloys

HUANG Tao, XU Chunxiang, YANG Lijing, LI Fuxia, JIA Qinggong, KUAN Jun, ZHANG Zhengwei, WU Xiaofeng, WANG Zhongqi

表1 Mg-3Zn-1Y-xZr (x=0，0.2，0.4，0.6) 合金成分

Table 1 Chemical compositions of Mg-3Zn-1Y-xZr (x=0, 0.2, 0.4, 0.6) alloys (mass fraction / %)

Alloy Zn Y Zr Fe Al Cu Si Mn Mg Mg-2Zn-1Y 3.110 0.907 --- 0.002 0.001 0.001 0.003 0.002 Bal. Mg-2Zn-1Y-0.2Zr 3.037 1.102 0.213 0.002 0.002 0.002 0.001 0.002 Bal. Mg-2Zn-1Y-0.4Zr 3.350 1.034 0.379 0.003 0.003 0.001 0.002 0.001 Bal. Mg-2Zn-1Y-0.6Zr 3.915 1.198 0.558 0.002 0.002 0.002 0.001 0.002 Bal.