payne效应

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helloagain 站内联系 (TA) 上是这么说的 wiki ThePayneeffectisaparticularfeatureofthestress-strainbehaviourofrubber,es peciallyrubbercompoundscontainingfillerssuchascarbonblack.Itisnamedafte rtheBritishrubberscientistA.R.Payne,whomadeextensivestudiesoftheeffect (e.g.Payne1962).TheeffectissometimesalsoknownastheFletcher-Genteffect, aftertheauthorsofthefirststudyofthephenomenon(Fletcher&Gent1953).The effectisobservedundercyclicloadingconditionswithsmallstrainamplitudes,an dismanifestasadependenceoftheviscoelasticstoragemodulusontheamplitu deoftheappliedstrain.Aboveapproximately0.1%strainamplitude,thestorage modulusdecreasesrapidlywithincreasingamplitude.Atsufficientlylargestraina mplitudes(roughly20%),thestoragemodulusapproachesalowerbound.Inthat regionwherethestoragemodulusdecreasesthelossmodulusshowsamaximum. ThePayneeffectdependsonthefillercontentofthematerialandvanishesforunf illedelastomers.Physically,thePayneeffectcanbeattributedtodeformation-ind ucedchangesinthematerial'smicrostructure,i.e.tobreakageandrecoveryofwe akphysicalbondslinkingadjacentfillerclusters.SincethePayneeffectisessential forthefrequencyandamplitude-dependentdynamicstiffnessanddampingbeha viourofrubberbushings,automotivetyresandotherproducts,constitutivemodel storepresentithavebeendevelopedinthepast(e.g.Lionetal.2003).Similartot hePayneeffectundersmalldeformationsistheMullinseffectthatisobservedun derlargedeformations Jerryxue 站内联系 (TA) 看这意思，这个效应只对含有填料（比如）的橡胶起作用，它的名称来源于英 PanyeCB 国橡胶学家，他对这一效应进行了广泛的研究（比如）。这一效 A.R.PanyePayne1962 应有时也称为效应，源于首次对这一现象进行研究的两位作者（ Fletcher-GentFletcher ）。 &Gent1953 效应是在小振幅循环载荷条件下产生的，表示的是橡胶粘弹储存模量对所施加 Panye 。 应力振幅的依赖性在应力振幅在大约以上时，储存模量会随着振幅的增加而迅速 0.1%