EntityQ825643· pop 27· linked from 409 articlesglass transitionSign in to savereversible transition in amorphous materials at which amorphous polymers go from hard to viscousConnectionsPeriodic tableConceptchemical bondEntitycovalent bondEntitypolymerEntityviscosityEntityphononEntityanisotropyEntityshear stressEntityviscoelasticityEntityelectrical resistivity and conductivityEntityfused quartzEntitysoda-lime glassEntityOrder and disorderEntitychemical elementEntitymetalEntitysodiumEntitycalciumEntityglassEntitypotassiumEntityphosphorusEntityCategoriesCryobiologyGlass engineering and scienceGlass physicsPhase transitionsPolymer chemistryRubber propertiesThreshold temperatures