桨-毂轴承材料扭动微动磨损行为研究

中国机械工程

桨-毂轴承材料扭动微动磨损行为研究

周明琢1;张耕培2;卢文龙1;张坡1;刘晓军1;彭和平3

1.华中科技大学数字制造装备与技术国家重点实验室，武汉，430074
2.长江大学电子信息学院，荆州，434023
3.江汉大学机电与建筑工程学院，武汉，430056

出版日期:2017-12-10 发布日期:2017-12-08
基金资助:
国家重点基础研究发展计划(973计划)资助项目(2014CB046705)；
国家自然科学基金资助项目(51475190，51575235)
National Basic Research Program (973 Program) （No. 2014CB046705）
National Natural Science Foundation of China （No. 51475190，51575235）

Research on Torsional Fretting Wear Behaviors of Material in Hub Bearings

ZHOU Mingzhuo1;ZHANG Gengpei2;LU Wenlong1;ZHANG Po1;LIU Xiaojun1;PENG Heping3

1.State Key Lab of Digital Manufacturing Equipment and Technology,Huazhong University of Science and Technology,Wuhan，430074
2.School of Electronics and Information,Yangtze University,Jingzhou，Hubei，434023
3.School of Mechatronics and Architecture Engineering,Jianghan University,Wuhan,430056

Online:2017-12-10 Published:2017-12-08
Supported by:
National Basic Research Program (973 Program) （No. 2014CB046705）
National Natural Science Foundation of China （No. 51475190，51575235）

摘要/Abstract

摘要： 采用面接触扭动微动形式，以动力定位系统可调距螺旋桨桨-毂轴承摩擦副材料(CuNiAl-42CrMo4)为对象，以不同的角位移幅值模拟海水波动影响下的微动磨损行为，并结合扫描电子显微镜和超景深三维显微镜对磨痕形貌进行分析，探究桨-毂轴承摩擦副材料扭动微动磨损规律。结果表明，随着角位移幅值的增加，扭动微动依次运行于部分滑移区、混合区、滑移区，摩擦因数减小，同时磨损量增加，微动损伤中剥层机制所占的比例逐渐增加，且由于疲劳裂纹扩展的不利影响，实际运行过程中要尽量避开混合区。

关键词: 面接触, 扭动微动, 角位移幅值, 摩擦因数, 磨损机制

Abstract: The torsional fretting wear behavior researches of CuNiAl against 42CrMo4 in a controllable pitch propeller of dynamic positioning system were carried out on flat-on-flat contact under various angular displacement amplitudes simulating sea waves. The fretting wear appearances were discussed combined with the micro-examinations of the wear scar with scanning electron microscope and ultra-depth three-dimensional microscope， and the rule of torsional fretting wear behavior researches of CuNiAl against 42CrMo4 was investigated. The results indicate that with the increase of the angular displacement amplitudes the fretting running regimes change from partial slip regime to gross slip regime, corresponding to the decrease of the friction coefficients. And the damages of the torsional fretting become more and more severe while delamination tend to be the major wear mechanism at the same time. The mixed fretting regime should be avoided on account of the crack propagation which goes against the life time of the hub bearings.

Key words: flat-on-flat contact, torsional fretting, angular displacement amplitude, friction coefficient, wear mechanism

中图分类号:

TH117

周明琢1;张耕培2;卢文龙1;张坡1;刘晓军1;彭和平3. 桨-毂轴承材料扭动微动磨损行为研究[J]. 中国机械工程.

ZHOU Mingzhuo1;ZHANG Gengpei2;LU Wenlong1;ZHANG Po1;LIU Xiaojun1;PENG Heping3. Research on Torsional Fretting Wear Behaviors of Material in Hub Bearings[J]. China Mechanical Engineering.

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