U68CuCr与U75V钢轨的摩擦磨损行为对比
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摘要
通过在MM-200摩擦磨损试验机上轮对滚动摩擦模拟试验,研究U68Cu Cr、U75V两种钢轨分别与ER8车轮钢轮对滚动摩擦磨损行为。U68CuCr、U75V是相同强度级别,不同硬度的钢轨。结果表明:U68CuCr钢轨硬度略低于U75V钢轨的硬度,但U68Cu Cr钢轨试样及其ER8匹配车轮的试样的磨耗量显著小于U75V钢轨试样及其ER8匹配车轮试样的磨耗量。同时,U68CuCr钢轨的塑性变形层和白层都比U75V钢轨的厚。
By rolling friction wheel simulation experiments on friction-wear tester MM-200,the friction-wear behavior and surface damage behavior of the two rail steels U68 CuCr and U75V were studied. U68 CuCr and U75V rail have the same strength grade and different hardness. The experimental results show that the hardness of U68 CuCr rail is slightly lower than the hardness of U75V rail,but the wear volume of U68 CuCr rail samples and ER8 matching wheel specimen are smaller than that of U75V rail samples and ER8 matching wheel sample observably. Meanwhile,the plastic deformation layer and white layer of U68 CuCr rail are thicker than U75V rail.
By rolling friction wheel simulation experiments on friction-wear tester MM-200,the friction-wear behavior and surface damage behavior of the two rail steels U68 CuCr and U75V were studied. U68 CuCr and U75V rail have the same strength grade and different hardness. The experimental results show that the hardness of U68 CuCr rail is slightly lower than the hardness of U75V rail,but the wear volume of U68 CuCr rail samples and ER8 matching wheel specimen are smaller than that of U75V rail samples and ER8 matching wheel sample observably. Meanwhile,the plastic deformation layer and white layer of U68 CuCr rail are thicker than U75V rail.
引文
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[2]李家驹,杨开庭,应惠敏,等.车轮和钢轨硬度匹配的研究[J].中国铁道科学,1984,5(1):49.(LI Jia-ju,YANG Kai-ting,YING Hui-min,et al.A study of the hardness combination of wheels and rails[J].China Railway Science,1984,5(1):49.)
[3]张斌,卢观健,付秀琴,等.铁路车轮、轮箍失效分析及伤损图谱[M].北京:中国铁道出版社,2002.(ZHANG Bin,LU Guanjian,FU Xiu-qin,et al.Railway Wheel Tire Failure Analysis and Injuries Map[M].Beijing:China Railway Publishing House,2002.)
[4]周清跃,刘丰收,朱梅,等.轮轨关系中的硬度匹配研究[J].中国铁道科学,2006,27(5):35.(ZHOU Qing-yue,LIU Fengshou,ZHU Mei,et al.Research on hardness matching in wheel-rail system[J].China Railway Science,2006,27(5):35.)
[5]王文健,刘启跃,朱旻昊.轮轨材料硬度匹配性能试验研究[J].摩擦学学报,2013,33(1):65.(WANG Wen-jian,LIU Qiyue,ZHU Min-hao.Hardness matching behavior of wheel/rail materials[J].Tribology,2013,33(1):65.)
[6]Perez-Unzueta A J,Beynon J H.Microstructure and wear resistance of pearlitic rail steels[J].Wear,1993,162/163/164(1):173.
[7]姜秉元,邱淑娴.碳化物的形态对钢轨钢耐磨性的影响[J].洛阳工学院学报,1986(1):32.(JIANG Bing-yuan,QIU Shu-xian.The influence of morphology of the cementite in the railway steel on their wear ability[J].Journal of Luoyang Institute of Technology,1986(1):32.)
[8]Baek K S,Kyogoku K,Nakahara T.An experimental investigation of transient traction characteristics in rolling-sliding wheel/rail contacts under dry-wet conditions[J].Wear,2007,263(11):169.
[9]丁昊昊,付志凯,郭火明,等.三种钢轨材料与车轮匹配时滚动磨损与损伤行为[J].摩擦学学报,2014,34(3):233.(DING Hao-hao,FU Zhi-kai,GUO Huo-ming,et al.Rolling Wear and Damage Behaviors between Three Kinds of Rail Materials and Wheel Material[J].Tribology,2014,34(3):233.)
[10]彭超,刘荣运.钢中珠光体片层间距的割线测量法[J].物理测试,1990,8(5):40.(PENG Chao,LIU Rong-yun.Secant method of pearlite lamellar spacing in steel[J].Physics Examination and Testing,1990,8(5):40.)
[11]Clayton P,Danks D.Effect of interlamellar spacing on the wear resistance of eutectoid steels under rolling-sliding conditions[J].Wear,1990,135(2):369.
[12]Hiroyasu Yokoyama,Shinji Mitao,Mineyasu Takemasa.Development of high strength pearlitic steel rail(SP rail)with excellent wear and damage resistance[J].Nkk Technical Review,2002(86):1.
[13]Rice S L,Nowotny H,Wayne S F.A survey of the development of subsurface zones in the wear of materials[J].Role of Subsurface Zones in the Wear of Materials,1989,33:77.
[14]ZHOU G Y,LIU J H,WANG W J,et al.Study on the fatigue and wear characteristics of four wheel materials[J].Journal of Modern Transportation,2013,21(3):182.
[15]赵雪芹.钢轨接触疲劳裂纹形成机理研究[D].成都:西南交通大学,2007.(ZHAO Xue-qin.Research of Rail Contact Fatigue Crack Formation Mechanism[D].Chengdu:Southwest Jiaotong University,2007.)
[16]刘天模,周守则,左汝林,等.钒对PD3钢珠光体组织形态的影响[J].钢铁,2003,38(4):56.(LIU Tian-mo,ZHOU Shou-ze,ZUO Ru-lin,et al.Effect of vanadium on pearlite structure in PD3 steel[J].Iron and Steel,2003,38(4):56.)
[17]钟雯,赵雪芹,王文健,等.PD3与U71Mn钢轨疲劳裂纹扩展特性研究[J].中国机械工程,2008,19(14):1740.(ZHONG Wen,ZHAO Xue-qin,WANG Wen-jian,et al.Study on growth behavior of fatigue crack of PD3 and U71Mn rail[J].China Mechanical Engineering,2008,19(14):1740.)
[18]李晓非,金纪勇,李文权.Si-Cr-Nb高强钢轨钢的研制[J].钢铁,2001,36(12):17.(LI Xiao-fei,JIN Ji-yong,LI Wen-quan.Development of Si-Cr-Nb high strength rail steel[J].Iron and Steel,2001,36(12):17.)
[19]Ueda M,Uchino K,Senuma T.Influence of hardness and carbon content on rolling contact wear in pearlitic steels[J].Tetsuto-Hagane,2001,87(4):190.
[20]朱曼吴,周仲荣,刘家浚.摩擦学白层的研究现状[J].Tribology,1999,19(3):281.(ZHU Min-hao,ZHOU Zhang-rong,LIU Jia-jun.Current state of the research of tribological white layers[J].Tribology,1999,19(3):281.)
[21]XU L,Kennon N F.Formation of white layer during laboratory abrasive wear testing of ferrous alloys[J].Institute of Metals and Materials Australasia:Materials Forum,1992,16(1):43.
[22]Tomlinson W J,Blunt L A,Spraggett S.Running-in wear of white layers formed on EN24 steel by centreless grinding[J].Wear,1988,128(1):83.