选区激光熔化高强韧铝合金的异质结构调控及力学性能
林研, 司丞, 徐京豫, 刘泽, 张诚, 柳林

Heterogeneous Structure and Mechanical Properties of Strong and Tough Al Alloys Prepared by Selective Laser Melting
LIN Yan, SI Cheng, XU Jingyu, LIU Ze, ZHANG Cheng, LIU Lin
图8 SLM成形AlFe5Zr1和AlFe5合金的裂纹扩展形貌
Fig.8 Crack profiles characterized on the surface of the SLMed AlFe5Zr1 alloy at different stages of crack extension (a-d), and 3D fracture surface morphologies for the SLMed AlFe5Zr1 (e) and AlFe5 (f) alloy samples after fracture toughness testing
(a) 270 N (b) 275 N (c) 290 N (d) 295 N