Mg-Zn系合金热裂行为的研究进展

王峰, 白盛巍, 王志, 杜旭东, 周乐, 毛萍莉, 魏子淇, 李瑾伟

Research Progress on Hot Tearing Behavior of Mg-Zn Series Alloys

WANG Feng, BAI Shengwei, WANG Zhi, DU Xudong, ZHOU Le, MAO Pingli, WEI Ziqi, LI Jinwei

图6 几种不同合金的凝固温度区间与合金热裂敏感性间的关系[44,47,95]

Fig.6 Solidification temperature range and hot tearing susceptibility of several different alloys (a) Mg-4Zn-1.5Ca alloy under different strengthes of LAMF[95] (b) Mg-5(Zn + Y)-0.5Zr alloys (CSC—crack sus-ceptibility coefficient; A: Mg-2.5Zn-2.5Y-0.5Zr alloy, B: Mg-3Zn-2Y-0.5Zr alloy, C: Mg-3.75Zn-1.25Y-0.5Zr alloy, D: Mg-4.29Zn-0.71Y-0.5Zr alloy)[44] (c) Mg-xZn-4Y-0.5Zr alloy[47]