Zr镁合金晶粒细化机理与研究进展
刘勇, 曾刚, 刘洪, 王煜, 李建龙

Grain Refinement Mechanism and Research Progress of Magnesium Alloy Incorporating Zr
LIU Yong, ZENG Gang, LIU Hong, WANG Yu, LI Jianlong
图7 不同Mg-Zr中间合金的组织形貌及使用不同中间合金细化的Mg-10Gd-3Y-0.5Zr合金晶粒尺寸[71]
(a) extruded rod-EX1 A (ED—extrusion direction)
(b) extruded sheet-EX2 A
(c) rolled sheet-RL7.5-0.5 A (RD—rolling direction)
Fig.7 Microstructures of Mg-Zr master alloys treated by different processes (a-c) and grain size of Mg-10Gd-3Y-0.5Zr alloy refined by different master alloy (d)[71]