摘要
Amolecularnetworkconstitutivemodelisproposedinthisstudy.Basedontheconceptofmolecularnetworkdecomposition,themolecularnetworkwasdecomposedintoaJames-Guth3-chainnetworkmodelandanArruda-Boyce8-chainnetworkmodel.Consideringthatthesinglemolecularchainofrubberisconstrainedbythesurroundingmolecularnetworks,the3-chainmodelandthe8-chainmodelwereconsequentlymodifiedusingthetubetheory.Theproposedmodelcontainsfourmaterialparametersthatweredeterminedbyfittingtheuniaxialtensiletestdatafromrubber-likematerials,andthevaluesoftheseparameterswereutilizedtodeterminethepureshearandthebiaxialextension.Theproposedmodelagreeswellwiththeexperimentaldataandcanpredictthetestresultsofexperimentsperformedundertheconditionsofpureshearandequi-biaxialdeformationwithacceptableaccuracy.
出版日期
2018年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)