Effect of repeated quenching on the rotating bending strength of SAE52100 bearing steel
Martensitic high carbon high strength SAE 52100 bearing steel is one of the main alloys used for rolling contact applications where high wear resistance are required. Due to its high fatigue strength, SAE 52100 is recently being used not only for the production of bearings but also shafts. Refining of prior austenite grain through repeated quenching is a procedure that can be used to enhance the material’s strength. In this work, the microstructure of repeatedly quenched SAE 52100 steel and its fatigue strength under rotating bending were investigated. It was found that repeated furnace heating and quenching effectively refined the martensitic structure and increased the retained austenite content. Repeated quenching was found to improve the fatigue strength of SAE 52100.
SAE 52100 steel repeated heat treatment refinement inclusion fatigue
Koshiro MIZOBE Edson Costa SANTOS Takashi HONDA Hitonobu KOIKE Katsuyuki KIDA Takuya SHIBUKAWA
Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, 819-0395, Japan YSK Co.,Ltd., 3103-6, Kitanokawachi-otsu, Nishimatsuura-gun Arita-cho, Saga, 849-4166, Japan
国际会议
沈阳
英文
1025-1031
2011-11-22（万方平台首次上网日期，不代表论文的发表时间）