2020
DOI: 10.7242/1999-6691/2020.13.2.11
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ANSYS research of shape memory effects in cross-linked polyethylene products

Abstract: Цель настоящей работы заключалась в выяснении причин осевой усадки термоусаживаемых трубок из сшитого полиэтилена на этапе экспандинга в технологическом процессе их изготовления, поиске способов устранения данной проблемы, а также в численном моделировании термомеханического поведения изделий из полимерных материалов с памятью формы. Для этого сначала в пакете ANSYS была выбрана адекватная физическая модель для описания термомеханического поведения полимерных материалов с памятью формы, разработана и реализова… Show more

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“…Here, we considered the method to calculate the Prony series from DMA data. The determining relation is represented by the viscoelastic Prony model in the case of the absence of volumetric relaxation [35]:…”
Section: Viscoelastic Behaviormentioning
confidence: 99%
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“…Here, we considered the method to calculate the Prony series from DMA data. The determining relation is represented by the viscoelastic Prony model in the case of the absence of volumetric relaxation [35]:…”
Section: Viscoelastic Behaviormentioning
confidence: 99%
“…Often, to obtain experimental parameters, test data are used not for shear, but for uniaxial tension, as was also used in our study. Therefore, the relaxation module for uniaxial stretching will be represented as [35]:…”
Section: Viscoelastic Behaviormentioning
confidence: 99%
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