回火对钒钛微合金化Mn-Cr系贝氏体型非调质钢组织和性能的影响
王占花, 惠卫军(
), 谢志奇, 张永健, 赵晓丽
), 谢志奇, 张永健, 赵晓丽
Effects of Tempering Temperature on Microstructure and Mechanical Properties of a Mn-Cr Type Bainitic Forging Steel
WANG Zhanhua, HUI Weijun(), XIE Zhiqi, ZHANG Yongjian, ZHAO Xiaoli
), XIE Zhiqi, ZHANG Yongjian, ZHAO Xiaoli
图2. 实验用钢在不同温度回火后显微组织的SEM像
Fig.2. SEM images of microstructures of the as-forged steel tempered at different temperatures (M/A—martensite/austenite, TM—tempered martensite)
(a) 200 ℃ (b) 300 ℃ (c) 400 ℃ (d) 500 ℃
