Bearing steels melted by 5 different processes, i.e. ESR, EBR, VAR, VIM-ESR and ESR-VAR_2are compared in order to improve the quality and the fatigue life of airborne bearings.

• 本文进行了ESR、EBR、VAR、VIM-ESR、ESR-VAR五种冶炼方法冶炼轴承钢的对比试验。