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2 不同热处理后的SLM-316L不锈钢金相组织结构

Fig.2 Microstructure of SLM 316L stainless steel after different heat treatments: (a) 1# as-received, (b) 2# as-received, (c) 1# 900 ℃×5 h, (d) 2# 900 ℃×5 h