选区激光熔融Al-30Si合金的微观组织和性能

秦艳利, 赵光普, 张昊, 倪丁瑞, 肖伯律, 马宗义

Microstructure and Properties of Al-30Si Alloy Produced by Selective Laser Melting

QIN Yanli, ZHAO Guangpu, ZHANG Hao, NI Dingrui, XIAO Bolv, MA Zongyi

图4 SLM成形Al-30Si合金的打印态和退火后的显微组织

Fig.4 SEM microstructure of the Al-30Si sample fabricated by SLM (a, b) as-built， (c, d) annealed