后热处理对不同含碳量SLM-316L不锈钢晶间腐蚀行为的作用机制研究

商强, 满成, 逄昆, 崔中雨, 董超芳, 崔洪芝

Mechanism of Post-heat Treatment on Intergranular Corrosion Behavior of SLM-316L Stainless Steel with Different Carbon Contents

SHANG Qiang, MAN Cheng, PANG Kun, CUI Zhongyu, DONG Chaofang, CUI Hongzhi

表1 Thermal-Calc计算时的参数成分输入 (不同含碳量316L不锈钢) (mass fraction / %)

Table 1 Input parameters for Thermal-Calc (316L stainless steels with different C contents)

Sample Cr Ni Mo Mn Si P S C N Fe a 17.5 10.4 2.7 1.2 0.4 0.02 0.01 0.02 0.15 Balance b 17.5 10.4 2.7 1.2 0.4 0.02 0.01 0.04 0.15 Balance c 17.5 10.4 2.7 1.2 0.4 0.02 0.01 0.06 0.15 Balance d 17.5 10.4 2.7 1.2 0.4 0.02 0.01 0.08 0.15 Balance e 17.5 10.4 2.7 1.2 0.4 0.02 0.01 0.12 0.15 Balance