滚动轴承钢冶金质量与疲劳性能现状及高端轴承钢发展方向

俞峰,陈兴品,徐海峰,董瀚,翁宇庆,曹文全

Current Status of Metallurgical Quality and Fatigue Performance of Rolling Bearing Steel and Development Direction of High-End Bearing Steel

Feng YU,Xingpin CHEN,Haifeng XU,Han DONG,Yuqing WENG,Wenquan CAO

表2 不同工艺冶炼GCr15轴承钢的接触疲劳性能

Table 2 Contact fatigue properties of GCr15 by different processes

Process L10 L50 b 107 cyc 107 cyc BOF+LF+RH 1.07 3.34 1.66 Argon shield atmosphere ESR 3.56 11.92 1.56 VIM+VAR 5.47 16.37 1.72