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Friction and Wear Characteristics of Mg-Al Alloy Containing Rare Earths 杨晓红1,刘勇兵1,祁庆琚1 (1.College of Materials Science and Engineering, Jilin University, Changchun 130025, China) Abstract:The influence of rare earth on the friction and wear characteristics of magnesium alloy AZ91 and AM60 were studied. The results show that the wear resistance properties of rare earth magnesium alloys......
J. Cent. South Univ. (2018) 25: 3004-3020 DOI: https://doi.org/10.1007/s11771-018-3970-x Dynamic friction modelling and parameter identification for electromagnetic valve actuator SHAO Da(邵达)1, 2..., China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: A new modified LuGre friction model is presented for electromagnetic valve actuator system......
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RESEARCH ON THE SELECTION OF FRICTION MODELS IN THE FINITE ELEMENT SIMULATION OF WARM EXTRUSION Z.L.Zhang1,H.S.Xiao1,X.B.Lin1 (1.National Die and Mold CAD Engineering Research Center, Shanghai Jiao Tong University, 1954 Hua Shah Road, Shanghai 200030, China) Abstract:During the process of finite element simulation of precision warm forging, the selec-tion of friction models has a direct effect......
Evaluation of ring surfaces with several coatings for friction, wear and scuffing life Dae-Hyun CHO, Young-Ze LEE School of Mechanical Engineering, Sungkyunkwan University, 300 Chunchun-dong...; Abstract: Friction and wear of the sliding components in an automobile cause an increase in both fuel consumption and emission......
FRICTION PROPERTIES OF OIL-INFILTRATED POROUS AAO FILM ON AN ALUMINUM SUBSTRATE C.X. Jiang1,X.B. Zhao1,M.F. Fu2,S.Y. Guo3,J.P. Tu1 (1.Department of Materials Science and Engineering, Zhejiang... was infiltrated in the ordered nanometer sized pores of AAO film on an aluminum substrate due to the capillarity effect. The friction coefficient was measured using a ball-on-disk tribotester.The tests......
Structural considerations in friction welding of hybrid Al2O3-reinforced aluminum composites In-Duck PARK1, Choon-Tae LEE2, Hyun-Soo KIM3, Woo-Jin CHOI4, Myung-Chang KANG4 1. Busan Metropolitan... and joining efficiency in the friction welding of hybrid Al2O3-reinforced aluminum composites were conducted. Metal matrix composites (MMCs) with 37% (volume fraction) aluminum particle were joined......
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J. Cent. South Univ. (2012) 19: 2081-2085 DOI: 10.1007/s11771-012-1248-2 Underwater friction stir welding of ultrafine grained 2017 aluminum alloy WANG Kuai-she(王快社), WU Jia-lei(武佳蕾), WANG Wen(王文... by underwater friction stir welding (underwater FSW). X-ray diffractometer (XRD), transmission electron microscope (TEM), scanning electron microscope (SEM) and microhardness tester were adopted......
Study on Friction and Wear Characteristics and Structure of Compound Layer from Combined Treatment of Ion Nitrocarburizing-Ion Sulphurizing of CrMoCu Alloy Cast Iron LI Xin1,HU Chun-hua1,QIU Ji1,Ma..., Fe2C and Fe3N. Under dry sliding condition, the friction-reducing of sulphurized surface is good, but its function time can''t last very long. The nitrocarbonided+sulphurized surface can greatly......
