Issue 15

F R ana ma inte bot and T ACTURE M he objec the strai The fra lyses, subsur ximum tensil rface), subst h regions). substrate de Figu Figure ECHANICS A tive of the fr n energy rele cture mecha face defects e TTT stress rate defects Typical inter fects are disc re 7 : TTT stre 8 : TTT stress NALYSES acture mech ase rates, and nics analyses were introd . Three type (those comp face and sub ussed. Fig I. S. Raju et ss distribution distribution f anics analyse determine if were perfo uced at the s of defects w letely within strate defects ure 9 : Typical (a (b alii, Frattura ed for peak-heat or peak-heatin s is to evalua defects can rmed using maximum s ere conside the substrat are presente interface and ) Interface def ) Substrate de Integrità Struttu ing condition g condition fo te the defect become unst the plane-str tress locatio red: interface e), and comb d schematica substrate defe ect. fect. rale, 15 (2011) for Panel 10 m r plane-strain driving force able for each ain model. n (see Fig. defects (tho ined interfac lly in Fig. 9. cts. 35-49; DOI: 10 odel. model. s, which are of the loadin For the fra 8) and perp se along the e-substrate d In this pap .3221/IGF-ESIS.1 characterized g conditions cture mecha endicular to coating-subst efects (thos er, only inter 5.05 41 by . nics the rate e in face