Improved rolling contact fatigue life for an ultrahigh-carbon steel with nanobainitic microstructure

被引：30
|
作者：
Liu, Hongji [1 ]
Sun, Junjie [1 ]
Jiang, Tao [1 ]
Guo, Shengwu [1 ]
Liu, Yongning [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
来源：
SCRIPTA MATERIALIA | 2014年 / 90-91卷
基金：
中国国家自然科学基金;
关键词：
Nanobainite; Rolling contact fatigue; Ultrahigh-carbon steel; Hardness; LOW-TEMPERATURE BAINITE; SILICON STEELS; TRIP STEELS; AUSTENITE; TRANSFORMATION; BEARINGS; FERRITE; AL;
D O I：
10.1016/j.scriptamat.2014.07.006
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In the present work, the influence of nanobainite on the rolling contact fatigue (RCF) performance of an ultrahigh-carbon steel has been studied. The results show that nanobainite can effectively improve the RCF life of the steel. In particular, the L-10 life of specimens with 21 +/- 1 vol.% nanobainite is approximately 3.3 times longer than that of specimens without nanobainite. The improvement in the RCF life of the steel is attributed to the nanobainite, which can delay the crack initiation and propagation. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：17 / 20
页数：4
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