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5. 实验用钢的拉伸性能随回火温度的变化
Fig.5. Variations of tensile properties with tempering temperature (Rm—ultimate tensile strength, Rp0.2—yield strength, A—total elongation, Z—reduction of area)
(a) strength (b) ductility (c) yield strength ratio
