INCIPIENT PLASTIC ZONES AROUND CRACKS APPROACHING A BIMATERIAL INTERFACE IN GLASSY POLYMERS.

Theotokoglou, EE; Tsamasphyros, G; Theocaris, PS

dc.contributor.author	Theotokoglou, EE	en
dc.contributor.author	Tsamasphyros, G	en
dc.contributor.author	Theocaris, PS	en
dc.date.accessioned	2014-03-01T02:47:35Z
dc.date.available	2014-03-01T02:47:35Z
dc.date.issued	1984	en
dc.identifier.issn	01666010	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/33255
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-0021625554&partnerID=40&md5=ad51654a8f94e56433f3d84dcfc99a74	en
dc.subject.other	COMPOSITE MATERIALS - Plasticity	en
dc.subject.other	APPROXIMATE PLASTIC ZONES	en
dc.subject.other	BIMATERIAL INTERFACE	en
dc.subject.other	CRACK TIP	en
dc.subject.other	EXACT PLASTIC ZONES	en
dc.subject.other	GLASSY POLYMERS	en
dc.subject.other	SINGULAR ZONE	en
dc.subject.other	POLYMERS	en
dc.title	INCIPIENT PLASTIC ZONES AROUND CRACKS APPROACHING A BIMATERIAL INTERFACE IN GLASSY POLYMERS.	en
heal.type	conferenceItem	en
heal.publicationDate	1984	en
heal.abstract	The plastic zones developed around the tips of the cracks in glassy polymers under small scale yielding can be studied by using the two well-known pressure-modified Mises yield criteria and the elastic solution of the problem. This paper reports on a study in which the shape of the plastic zone was given when a crack approaches perpendicularly a bi-material interface. The study was based on the exact elastic solution of the problem and the resulting integral equation is solved numerically. This is justified only for incipient plasticity. The plastic zones are calculated using, either the exact solution, or Sneddon's asymptotic expansion for comparison. It was found that the difference between the exact and the approximate plastic zones is increasing as plasticity is developed and as distance increases from the singular zone around the crack tip.	en
heal.publisher	Elsevier, Amsterdam, Neth	en
heal.journalName	Materials Science Monographs	en
dc.identifier.spage	423	en
dc.identifier.epage	434	en