缺陷对激光选区熔化316L不锈钢疲劳性能的影响
冯枫, 杨冰, 陈东东, 王明猛, 肖守讷, 阳光武, 朱涛

Effect of Defects on High Cycle Fatigue Properties of Selective Laser Melting 316L Stainless Steel
FENG Feng, YANG Bing, CHEN Dongdong, WANG Mingmeng, XIAO Shoune, YANG Guangwu, ZHU Tao
图8 在应力幅相同的条件下两种典型试样的疲劳源区
Fig.8 Fatigue source areas of different specimens under the same stress amplitude:(a) σ= 270 MPa, Nf= 3.2×106; (b) σ= 270 MPa, Nf=1.2×105