热成形工艺对24Mn2CrNb钢组织和性能的影响
王恒霖, 黄文静, 朱国辉, 丁汉林, 王子健, 项重辰

Impact of Hot Stamping Process Parameters on Microstructure and Mechanical Properties of 24Mn2CrNb Automotive Steel
WANG Henglin, HUANG Wenjing, ZHU Guohui, DING Hanlin, WANG Zijian, XIANG Zhongchen
图5 在不同温度分级淬火处理后24Mn2CrNb钢的断口SEM形貌
Fig.5 Fracture SEM morphology of 24Mn2CrNb steel after quenching at different temperatures (a) 250 oC, (b) 450 oC