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14 22MnB5钢在930 ℃空气中氧化不同时间后的显微组织
Fig.14 Microstructure of 22MnB5 steel after oxidation for different times in air at 930 oC (a) 5 min, (b) 10 min, (c) 30 min