机械球磨结合粉末冶金制备<strong>AZ61</strong>超细晶镁合金的组织与性能

机械球磨结合粉末冶金制备AZ61超细晶镁合金的组织与性能

朱云鹏, 覃嘉宇, 王金辉, 马鸿斌, 金培鹏, 李培杰

Microstructure and Properties of AZ61 Ultra-Fine Grained Magnesium Alloy Prepared by Mechanical Milling and Powder Metallurgy Processing

ZHU Yunpeng, QIN Jiayu, WANG Jinhui, MA Hongbin, JIN Peipeng, LI Peijie

表1 挤压态AZ61镁合金的晶粒尺寸、析出相体积分数及析出相尺寸

Table 1 Grain size, volume fraction of Mg₁₇Al₁₂, and size of Mg₁₇Al₁₂ of extruded AZ61 alloy

Extruded AZ61 alloy	Grain size / μm	Diameter of Mg₁₇Al₁₂ / nm	Volume fraction of Mg₁₇Al₁₂ / %
Without mechanical milling	0.91	230	6.6
With mechanical milling	0.68	170	11.7