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Effect of thermal treatments on the yielding of polycarbonate

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dc.contributor.author Kontou, E en
dc.date.accessioned 2014-03-01T01:22:16Z
dc.date.available 2014-03-01T01:22:16Z
dc.date.issued 2005 en
dc.identifier.issn 0021-8995 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/16505
dc.subject Activation energy en
dc.subject Annealing en
dc.subject Yielding en
dc.subject.classification Polymer Science en
dc.subject.other Activation energy en
dc.subject.other Annealing en
dc.subject.other Cooling en
dc.subject.other Elastic moduli en
dc.subject.other Glass transition en
dc.subject.other Polycarbonates en
dc.subject.other Reaction kinetics en
dc.subject.other Viscoplasticity en
dc.subject.other Liquid nitrogen en
dc.subject.other Postyield behavior en
dc.subject.other Slow cooling en
dc.subject.other Yielding en
dc.subject.other Heat treatment en
dc.subject.other polycarbonate en
dc.title Effect of thermal treatments on the yielding of polycarbonate en
heal.type journalArticle en
heal.identifier.primary 10.1002/app.22077 en
heal.identifier.secondary http://dx.doi.org/10.1002/app.22077 en
heal.language English en
heal.publicationDate 2005 en
heal.abstract Two different thermal treatments were applied to polycarbonate (PC) in terms of slow cooling (annealed samples) after a thermal treatment at a temperature above the glass-transition temperature or abrupt cooling in a liquid-nitrogen environment (quenched samples). Tensile and compression experiments were performed on the two types of samples at three different effective strain rates. A viscoplastic model based on the fundamental assumptions of the Eyring model and on a kinematic formulation, which separated the viscoelastic and plastic strain, developed in previous works, was used to describe the yield and post-yield behavior of thermally treated PC. The different thermal treatments affected the parameters of the material microstructure. A satisfactory agreement between the experimental data and calculated results was found. (c) 2005 Wiley Periodicals, Inc. en
heal.publisher JOHN WILEY & SONS INC en
heal.journalName Journal of Applied Polymer Science en
dc.identifier.doi 10.1002/app.22077 en
dc.identifier.isi ISI:000231680500034 en
dc.identifier.volume 98 en
dc.identifier.issue 2 en
dc.identifier.spage 796 en
dc.identifier.epage 805 en


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