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7 SLM成形Al-30Si合金退火后的热膨胀系数
Fig.7 Coefficient of thermal expansion of annealed Al-30Si alloy