一种超高碳钢的滚动接触疲劳研究

刘宏基, 孙俊杰, 江涛, 郭生武, 柳永宁, 林鑫

ROLLING CONTACT FATIGUE BEHAVIOR OF AN ULTRAHIGH CARBON STEEL

LIU Hongji, SUN Junjie, JIANG Tao, GUO Shengwu, LIU Yongning, LIN Xin

表2 淬回火态UHCS, GCr15和SKF3钢中的球形残余碳化物体积分数、平均颗粒半径及残余奥氏体含量

Table 2 Volume fractions and average diameters of spherical residual carbide particles and retained austenite contents in quenched and tempered UHCS, GCr15 and SKF3 steels

Steel Carbide Mass fraction of C Volume fraction of Volume fraction / % Average diameter / μm in martensite / % retained austenite / % UHCS 4.47 0.46 0.18 7.5 GCr15 2.76 0.36 0.13 5.7 SKF3 2.74 0.28 0.11 6.3