热处理对真空压铸NZ30K镁合金微观组织及力学性能的影响
魏杰1,王渠东1,2(),叶兵1,2,蒋海燕1,2,丁文江1,2
Effect of Heat Treatment on the Microstructure and Mechanical Property of Vacuum Die-casting NZ30K Mg-alloy
Jie WEI1,Qudong WANG1,2(),Bing YE1,2,Haiyan JIANG1,2,Wenjiang DING1,2

图6. 表层区(a)和心部区(b)晶粒的生长模型,其中P为晶界驱动力

Fig.6. Models of grain growth of the surface layer (a) and the central region (b), where P is the boundary driving force