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

图9 原位观察0~300 s电解浸蚀SLM-316L不锈钢的CLSM图

Fig. 9 CLSM of SLM-316L stainless steel electrolytically etched from 0 to 300 s observed in-situ: (a) change of intergranular corrosion morphology, (b) corrosion pits measurement area, (c) grain boundary measurement area, (d) curve of loss volume of grain boundary and corrosion pits