Enhanced fatigue property by suppressing surface cracking in a gradient nanostructured bearing steel

K. Zhang; Z. B. Wang; K. Lu

doi:10.1080/21663831.2016.1253625

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Enhanced fatigue property by suppressing surface cracking in a gradient nanostructured bearing steel

Original Report | 更新时间：2026-08-19

- Enhanced fatigue property by suppressing surface cracking in a gradient nanostructured bearing steel
- Enhanced fatigue property by suppressing surface cracking in a gradient nanostructured bearing steel
- 材料研究快报（英文） 2017年5卷第4期页码：258-266
- 作者机构：
  
  Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2016.1253625
  中图分类号：
- 网络首发：2016-11-16，
  
  纸质出版：2017
- 稿件说明：
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K. Zhang, Z. B. Wang, K. Lu. Enhanced fatigue property by suppressing surface cracking in a gradient nanostructured bearing steel[J]. 材料研究快报（英文）, 2017,5(4):258-266.

K. Zhang, Z. B. Wang, K. Lu. Enhanced fatigue property by suppressing surface cracking in a gradient nanostructured bearing steel[J]. Materials Research Letters, 2017, 5(4): 258-266.
K. Zhang, Z. B. Wang, K. Lu. Enhanced fatigue property by suppressing surface cracking in a gradient nanostructured bearing steel[J]. 材料研究快报（英文）, 2017,5(4):258-266. DOI： 10.1080/21663831.2016.1253625.

K. Zhang, Z. B. Wang, K. Lu. Enhanced fatigue property by suppressing surface cracking in a gradient nanostructured bearing steel[J]. Materials Research Letters, 2017, 5(4): 258-266. DOI： 10.1080/21663831.2016.1253625.

摘要

Abstract

BSTRACTA gradient nanostructured (GNS) surface layer was generated on an ultrahigh strength bearing steel (AISI 52100) by surface mechanical rolling treatment (SMRT). The initial martensite plates with cementite and retained austenite were transformed into nanograined martensite with a mean size of ∼24 nm at the topmost surface. Axial tension–compression fatigue tests showed that an enhanced fatigue property was achieved on the GNS sample due to the suppressed fatigue crack initiation at the surface. Effects from hardness

microstructure

and residual stress in the GNS surface layer were discussed in relation with the fatigue mechanism of the SMRT sample.

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相关机构

a Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences

b School of Materials Science and Engineering University of Science and Technology of China

a Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences Shenyang People’s Republic of China

Department of Materials Science and Engineering City University of Hong Kong

d State Key Laboratory of Mechanics and Control for Aerospace Structures & Institute for Frontier Science & College of Aerospace Engineering Nanjing University of Aeronautics and Astronautics

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