CHAPTER 6: MECHANICAL PROPERTIES
CHAPTER 6: MECHANICAL PROPERTIES
CHAPTER 6: MECHANICAL PROPERTIES
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7.15 Viscoelasticity DeformationAmorphous polymer:Glass at low TViscous liquid at higher TSmall deformation at low T may be elasticHooke’s lawRubbery solid at intermediate TA combination of glass and viscous/liquidViscoelasticityElastic deformation is instantaneousUpon release, deformation is totally recovered