材料匹配性对盘式制动器接触应力分布的影响.pdf

2009M3343LUBRICATIONENGINEERINGMar12009Vol134No13*:ZY+(SGMW)(N2000).l:2008-09-17Te:(1982),3,V3,Z_!91E-mai:lxuwei9298151631com1T(sY*1Q1+2l2(1.qvq430070；2.ZY+z/C3b-(D,7DnbYL,vQ?4byN,aaY(sy,V(s!94GH,V?Pp,1ilb1T(sf/,(9TVV5:R=DE(1)T:R；D；EMbVT(1)VA,()V?YB(s1ybTV,W3v,MbtT,sY6-7:qp=KLp(t)X(t)r(x,y)(2)qd=(1-K)Lp(t)X(t)r(x,y)(3)T:LWy；p(t)HWM(；X(t)HWM；r(x,y)(；Ksq,O8:kq=qdqpkdcdQdkpcpQp(4)K=11+kq=11+kdcdQdkpcpQp(5)T:kqs；kacaQsY.a1,/SpdsYVUbT(2)T(3)V,H(asqayaa1,7+/,(YvlybN,VT(4)T(5)VA,Ys,VYsq,V7YHsbYL,V-WMYbInMf/,M1V3:R=D(E-$E)(6),$EMM,$ETMCM1T,O$E=A(T-T0)(7)T:An；T0S；THbT(6)T(7)QMn(Y,9Q(MYbA,YiT,7WMTbyN,1V(sA(sb2?L9s,|1?fV1,V2bV1VTable1MatchingmaterialparametersofbrakerI|/GPa/(kg#m-3)./(W#m-1#e-1)1/(J#kg-1#e-1)/(W#m-2#e-1)n/e-11123600112836510210E-521153600112836510210E-5311536004161465510210E-5411536001121465510210E-5511536001121465510215E-511267200481257090110E-5213078005272090110E-5V2Table2MatchingparametersofpairI|I|P11/1P43/2P22/1P54/2P32/2P65/239y311有限元模型及边界条件m1KFig1Finiteelementmodelofbrakepairm1UK,solid5|s4248,sY288,(96,S1224bInT,W,TbKEEV,|1HHqT/L!:(1)V?,iOZT1s；(2)?L,aa1aan#y7M；(3)_；(4)L!,K_M,T,XaY%；(5)MN.HHq,Inb592009M3:T(sY312工况条件$/T,12600N(S3117MPa),S9r/s,HW312sb49Ts411材料匹配性在应力场中的影响m2Inf/(smbVm2(a)VA,P1f/,Kv(6118MPa；7m2(b)P2f/,Kv(4105MPa,P2TH1l,P1b6VP1P2svm(nm3)VA,P1(l1MPa1218%,v5MPa1317%,8s0v；P2(s24MPaW(8613%),8s0l,(,V7(9P1b8s,Inf/,WMy,Kv,VYdTHyy；7lVKv(,P(s(,(zbHYf/a(,(sb412材料匹配性在耦合场中的影响41211热流参数对接触应力分布影响m4(sFig4Contactpressuredistributionfordifferentheatparamenterpairsm4210sH(smbm4m2(b),VAInf/(s?3M,Kv4；HKvuW_Z_M,1v(ubNVn,(Yv,Vjbm5m6sYHWM6034wL(wL(4tA535)bVm5VA,C59t,y7SHMy,v,9Fy,9FB,T,C/tbVm6VA,7S(Cof,7S,(,76,nT/M,31T,MtMtMb1,Vm6VA,P3P5(wLvuY,P31P5/y,6P3(1P5v,vV121Y(P31836J/(kg#e),P51465J/(kg#e),1llMH6y,V7(YvbH,41vhl(bVm6VA,P4MP5/y,766yOv,1P4kpcpQpv,V7PP4H,(3vYb6,(6B,P4wLP5wLM,P4/H/ybvV1,P4P5.uY/(P4.416W/(m#e),P5112W/(m#e),Vnv.(bTV,1a.aY98,7(3Y；9|3BZY,8H,41va.vb41212热应力参数对接触应力分布影响m72n2.0sH(_(smb34016015)GQVlv9bVmVA,P6R1P5(/eP5P6),P5Kv614426MPa,7P6Kv817943MPa；6VsAP51s46MPaW,7P61s59MPaW,P5_s1(Bt,7P6sMv,0v,(BtbvV1,P4n21010-5e-11P5(n21410-5e-1)l,n(s3vY,Hnlhl,(sbm7n(BHY_(sFig7Contactpressuredistributionofaseriesofnode