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sio_2对摩擦第三体形成的作用

Keywords: 复合材料,摩擦磨损,cu-sio2烧结材料,第三体

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Abstract:

?采用粉末冶金技术制备cu-sio_2烧结材料,研究了cu-sio_2摩擦表面上的sio_2颗粒与摩擦第三体的关系.结果表明,在摩擦中cu-sio_2中的sio_2颗粒起钉扎点的作用,阻止第三体颗粒的运动,形成第三体塞积区,第三体的塞积面积和存在周期取决于sio_2颗粒的承载能力,sio_2颗粒的破损使第三体塞积区分解.第三体塞积区经历—个塞积-覆盖-分解-再塞积-再覆盖的过程;粘着性好的第三体充填到碎裂的sio_2裂纹中,对sio_2有夹持和覆盖的作用,有利于阻止碎裂的sio_2进一步剥落.随着sio_2含量的增加,起犁削作用的硬质点数增加,使摩擦系数提高;摩擦速度的提高伴随着温度的升高,容易形成连续而致密的第三体,有利于稳定摩擦系数;随着摩擦速度的降低,第三体疏松而不连续,容易脱离摩擦面而增大磨损量.

References

[1]  2r.copin,brakingtestsonareduced-scaletestbenchwithadisc-padcoupleusedonthetgv-pbka,pro-ceedingsofjef1998,europeanconferenceonbraking,lille,141(1998)
[2]  5d.bettge,quantitativedescriptionofwearsurfaceofdiscbrakesusinginterferencemicroscopy,wear,248,121(2001)
[3]  6p.filip,z.weiss,d.rafaja,onfrictionlayerformationinpolymermatrixcompositematerialsforbrakeappli-cations,wear,252,189(2002)
[4]  7y.berthier,wear,materials,mechanismsandpractice,(gwidonstachowiack,wileyeditor,2005)p.291
[5]  8v.linck,l.baillet,y.berthier,dryfriction:conse-quenceoflocaldynamicaspectoncontactpressure,kinematicsandfriction,tribologyseries48,(elsevierscience,2004)p.545
[6]  9lishipeng,xiongxiang,yaopingping,qiaowei-dong,studyonthebehaviorofgraphiteandsio_2incop-perbasedfrictionmaterials,non-metallicmines,26(4),51(2003)(李世鹏,熊翔,姚萍屏,乔卫东,石墨、sio_2在铜基摩擦材料基体中的摩擦学行为研究,非金属矿,26(4),51(2003))
[7]  10denghaijin,baixingui,liming,xuming,effectsofthecompositionsontribologicalpropertiesofcermetfric-tionmaterials,materialsformechanicalengineering,8,13(1997)(邓海金,白新桂,李明,许明,金属陶瓷成份对其摩擦磨损性能影响研究,机械工程材料,8,13(1997))
[8]  11yaopingping,lishipeng,xiongxiang,comparisononthefrictionandwearbehavioroffeandsio_2incu-basedfrictionmaterials,hunannonferrousmetals,19(5),31(2003)(姚萍屏,李世鹏,熊翔,fe和sio_2对铜基摩擦材料摩擦学行为的对比研究,湖南有色金属,19(5),31(2003))
[9]  12yuanguozhou,yaopingping,fanyi,effectofsio_2andb_4conthepropertiesoffe-cubasedfrictionmate-rials,non-metallicmines,22(4),112(1999)(袁国洲,姚萍屏,樊毅,sio_2和b_4c组合对铁铜基摩擦材料性能的影响,非金属矿,22(4),112(1999))
[10]  13liubowei,fanyi,zhangjinsheng,gaoyou,wufang,effectofsio_2andsiconpropertiesofcu-fema-trixsinteredfrictionmaterials,chinesejournalofnonfer-rousmetals,11(1),110(2001)(刘伯威,樊毅,张金生,高游,吴芳,sio_2和sic对cu-fe基烧结摩擦材料性能的影响,中国有色金属学报,11(1),110(2001))
[11]  1j.raison,lesmateriauxdefreinage,revuegeneralesdescheminsdefer,(7-8),27(1991)
[12]  3s.descartes,y.berthier,rheologyandflowsofsolidthirdbodies:backgroundandapplicationtoanmos_(1.6)coating,wear,252,546(2002)
[13]  4m.eriksson,b.filip,j.staffan,onthenatureoftribolog-icalcontactinautomotivebrake,wear,252,26(2002)

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