稀土元素La对AlMgSi合金性能和微结构的影响

郑雄, 赖玉香, 向雪梅, 陈江华

Impacts of Rare Earth Element La on Properties and Microstructure of AlMgSi Alloys

ZHENG Xiong, LAI Yuxiang, XIANG Xuemei, CHEN Jianghua

图5 4种合金PA态拉伸断口的二次电子(SE)像及相应BSE像

Fig.5 Secondary electron (SE) images (a-d) and corresponding BSE images (e-h) of the tensile fracture morphologies of 0La (a, e), 0.2La (b, f), 0.4La (c, g), and 0.6La (d, h) alloys under the PA condition (Arrows show the cleavage planes, blue dashed circles show the dimples, orange dashed circles show the secondary phases)