fretting fatigue;
stress field and strain field;
contact pressure;
fatigue life;
D O I:
10.4028/www.scientific.net/KEM.353-358.134
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
The effect of contact pressure on fretting fatigue in quenched and tempered 45-carbon steel is studied. With an increase in contact pressure, fretting fatigue life is decreased quickly at low contact pressures; however it almost unchanged at high contact pressures. With an increase in cyclic stress amplitude, fretting fatigue life decreased. In the test, concavity is formed at the fretted area accompanying wear. The main crack is initiated at the outer edge corner of the concavity at high contact pressures, and initiated at the middle portion of the fretted area at low contact pressures.
机构:
Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Shanghai Key Lab R&D Applicat Metall Funct Mat, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Zhou, Zhiqiang
Liu, Xiaoshan
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Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Shanghai Key Lab R&D Applicat Metall Funct Mat, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Liu, Xiaoshan
He, Guoqiu
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机构:
Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Shanghai Key Lab R&D Applicat Metall Funct Mat, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
He, Guoqiu
Ge, Bin
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机构:
Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Shanghai Key Lab R&D Applicat Metall Funct Mat, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Ge, Bin
Le, Peiwen
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h-index: 0
机构:
Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Shanghai Key Lab R&D Applicat Metall Funct Mat, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Le, Peiwen
Li, Jingquan
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机构:
Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Shanghai Key Lab R&D Applicat Metall Funct Mat, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Li, Jingquan
Pan, Jiaqi
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机构:
Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Shanghai Key Lab R&D Applicat Metall Funct Mat, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Pan, Jiaqi
Yang, Yang
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机构:
Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
Shanghai Key Lab R&D Applicat Metall Funct Mat, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China