Al对42CrMo螺栓钢淬透性及组织的影响
吕超然1, 徐乐1(
), 史超2, 刘进德3, 蒋伟斌4, 王毛球1
), 史超2, 刘进德3, 蒋伟斌4, 王毛球1
Effect of Al on Hardenability and Microstructure of 42CrMo Bolt Steel
LU Chaoran1, XU Le1(), SHI Chao2, LIU Jinde3, JIANG Weibin4, WANG Maoqiu1
), SHI Chao2, LIU Jinde3, JIANG Weibin4, WANG Maoqiu1
图7. 42CrMo钢过冷奥氏体等温转变曲线
Fig.7. Isothermal transformation curves of 42CrMo steel undercooled austenite (F—ferrite, B—bainite, P—pearlite, Ac1—start temperature of austenite formation during heating, Ac3—finish temperature of austenite formation during heating, Ms—martensite start temperature)
