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8 经过不同热处理后两种SLM 316L不锈钢的电解2 min晶间腐蚀形貌

Fig.8 Intergranular corrosion morphology of 1# SLM-316l stainless steels (a-d), 2# SLM-316L stainless steel (e-h) after 2 min electrolysis after as-received (a, e), ST/2 h (b, f), 900 ºC/5 h (c, g) and 900 ºC/5 h+ST/24 h (d, h)