淬火冷却速率对海洋平台用Ni-Cr-Mo-B钢性能的影响

张守清, 胡小锋, 杜瑜宾, 姜海昌, 庞辉勇, 戎利建

Effect of Quenching Cooling Rate on Mechanical Properties of a Ni-Cr-Mo-B Steel for Offshore Platform

ZHANG Shouqing, HU Xiaofeng, DU Yubin, JIANG Haichang, PANG Huiyong, RONG Lijian

图9 实验钢的原奥氏体晶粒尺寸、回火前后的有效晶粒尺寸与冷却方式的关系

Fig.9 Relationship between prior austenite grain sizes, the effective grain sizes before and after tempered and the cooling ways for experimental steels