尺寸设计对选区激光熔化304L不锈钢显微组织与性能的影响

侯娟, 代斌斌, 闵师领, 刘慧, 蒋梦蕾, 杨帆

Influence of Size Design on Microstructure and Properties of 304L Stainless Steel by Selective Laser Melting

HOU Juan, DAI Binbin, MIN Shiling, LIU Hui, JIANG Menglei, YANG Fan

表1 原始粉末及SLM 304L不锈钢化学成分 (mass fraction / %)

Table 1 Chemical compositions of 304L stainless steel powder and SLM 304L stainless steel

Sample C N P S Cr Cu Mn Ni O Si Mo Fe Powder 0.006 0.013 0.027 0.001 18.95 0.033 0.016 9.48 0.029 0.056 0.87 Bal. SLMed 0.015 0.013 0.027 0.003 19.70 0.032 0.054 9.62 0.031 0.065 0.83 Bal.