Microstructures and rolling contact fatigue behaviors of 17Cr2Ni2MoVNb steel under combined ultrasonic surface rolling and shot peening - Details

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Abstract：

A　novel　surface　treatment　method　of　combining　ultrasonic　surface　rolling　(USR)　and　shot　peening　(SP)　in　different　sequences　was　proposed.　The　microstructures　and　rolling　contact　fatigue　(RCF)　behaviors　of　17Cr2Ni2MoVNb　steel　were　investigated　after　USR　treatment,　SP　treatment　and　combined　(USR　+　SP　+　USR)　treatment.　Results　showed　that　the　combined　treatment　can　significantly　generate　ultra-fine　grains,　improve　surface　microhardness　and　induce　high　intensity　residual　compressive　stress　in　material　surface　layer.　The　samples　after　combined　treatment　with　the　lowest　surface　roughness　exhibited　the　maximum　mean　RCF　life　of　6.610　×　106　cycles　and　the　fatigue　damage　mechanism　was　spalling.　©　2020　Elsevier　Ltd

Keyword：

Combined surface treatment; Microstructures; Rolling contact fatigue; Shot peening; Ultrasonic surface rolling

Community：

[ 1 ] [Zhang, Y.]Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510640, China
[ 2 ] [Zhang, Y.]ICMMO/SP2M, UMR CNRS 8182, Paris-Saclay University91405, France
[ 3 ] [Qu, S.]Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510640, China
[ 4 ] [Lu, F.]ZhengZhou Electromechanical Engineering Research Institute, Zhengzhou, 450015, China
[ 5 ] [Lai, F.]Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510640, China
[ 6 ] [Lai, F.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China
[ 7 ] [Ji, V.]ICMMO/SP2M, UMR CNRS 8182, Paris-Saclay University91405, France
[ 8 ] [Liu, H.]Inner Mongolia First Machinery Group Co., Ltd., Baotou, 014032, China
[ 9 ] [Li, X.]Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510640, China

Reprint 's Address：

[Qu, S.]Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical and Automotive Engineering, South China University of TechnologyChina

Email：

qusg@scut.edu.cn

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Source ：

International Journal of Fatigue

ISSN： 0142-1123

Year： 2020

Volume： 141

5 . 1 8 6

JCR@2020

5 . 7 0 0

JCR@2023

ESI HC Threshold：196

JCR Journal Grade：1

CAS Journal Grade：2

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SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 1

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