资源描述：
《Wear evolution in a stranded rope under cyclic bending Implications to fatigue life estimation.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、Wear271(2011)2857–2867ContentslistsavailableatScienceDirectWearjournalhomepage:www.elsevier.com/locate/wearWearevolutioninastrandedropeundercyclicbending:ImplicationstofatiguelifeestimationI.I.a,1aa,∗bArgatov,X.Gómez,W.Tato,M.A.UrcheguiaMondragonGoiEskola
2、Politeknikoa,MondragonUnibertsitatea,Loramendi4,20500Arrasate-Mondragon,SpainbORONAeic,PolígonoIndustrialLastaolas/n,20120Hernani,SpainarticleinfoabstractArticlehistory:TheArchard’swearlawbasedmathematicalmodeloffrettingwearbetweenwiresisappliedtoelabora-
3、Received1February2011tionoftheexperimentalresultsofthepreviouslyreportedstudyoftheweardegradationinastrandedAccepted31May2011steelwireropesubjectedtocyclicbendingoverasheave.Itisshownthatthedependenceofthecoeffi-Availableonline12June2011cientofwearonthecon
4、tactpressureshouldbetakenintoaccounttoexplaintheobservedincreaseoftheKeywords:wearseveritywithareductionoftheshavediameter.Accordingly,amathematicalmodeloffrettingwearbasedontheArchard–Kragelskywearlawwasdeveloped,andanexampleofcalibrationoftheReciprocati
5、ngwearwearlawparameterswasgiven.SomeimplicationstofatiguelifeestimationsforstrandedwireropesWearcontactproblemarediscussed.Wirerope©2011ElsevierB.V.Allrightsreserved.Bendingoversheavetests1.Introductionwirescausethewearofwiresbyfrettingorreciprocatingslid
6、ing,and,consequently,reducethefatiguelifeofropes.Wireropescombinetwoveryusefulproperties:highaxialWeemphasizethatwhatevertheapplicationis,thewireropestrengthandflexibilityinbending.Thesepropertiesconvertwirewillsufferfatigue.Infact,inthemultiplecontactsbet
7、weentheropesintoindispensableloadtransmissionelementsformanywires,thefrettingfatiguephenomenoncanbeidentifiedduetoindustrialapplications.Forinstance,wireropesarewidelyusedalternatingslidingconditions.Thisphenomenoncauseswearand,incranes,minehoisting,andlif
8、ts.Moreover,tensionresistingele-asaconsequence,resultsinlossoftheropesectionthatultimatelymentslikemodernpolymerwireropesareexpectedtoprovideleadstobrakesofthewires.Itwasobserved[4]thatwearanddam-thegroundforanew,re
