_STP_1220-1995.pdf

STP 1220 Fracture Mechanics:25th Volume Fazil Erdogan,Editor ASTM Publication Code Number(PCN):04-012200-30 ASTM 1916 Race Street Philadelphia,PA 19103 Printed in the U.S.A.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:18:02 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress ISSN:1040-3094 Copyright?9 1995 AMERICAN SOCIETY FOR TESTING AND MATERIALS,Philadelphia,PA.A11 rights reserved.This material may not be reproduced or copied,in whole or in part,in any printed,mechanical,electronic,film,or other distribution and storage media,without the written consent of the publisher.Photocopy Rights Authorization to photocopy items for internal or personal use,or the internal or personal use of specific clients,is granted by the AMERICAN SOCIETY FOR TESTING AND MATERIALS for users registered with the Copyright CJearance Center(CCC)Transactional Reporting Service,provided that the base fee of$2.50 per copy,plus$0.50 per page is paid directly to CCC,222 Rosewood Dr.,I)anvers,MA 01923;Phone:(508)750-8400;Fax:(508)750-4744.For those organizations that have been granted a photocopy license by CCC,a separate system of payment has been arranged.The fee code for users of the Transactional Reporting Service is 0-8031-1882-1/95$2.50+.50 Peer Review Policy Each paper published in this volume was evaluated by three peer reviewers,The authors addressed all of the reviewers comments to the satisfaction of both the technical editor(s)and the ASTM Committee on Publications.To make technical information available as quickly as possible,the peer-reviewed papers in this publication were prepared camera-ready as submitted by the authors.The quality of the papers in this publication reflects not only the obvious efforts of the authors and the technical editor(s),but also the work of these peer reviewers.The ASTM Committee on Publications acknowledges with appreciation their dedication and contribution to time and effort on behalf of ASTM.Pdnted in Philadelphia,PA August 1995 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:18:02 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword This publication,Fracture Mechanics:25th Volume,contains papers presented at the 25th National Symposium on Fracture Mechanics:New Trends in Fracture Mechanics,held in Beth-lehem,Pennsylvania on 28 June through 1 July 1993.The symposium was sponsored by ASTM Committee E-8 on Fatigue and Fracture.Dr.Fazil Erdogan of Lehigh University in Bethlehem,PA presided as symposium chairman and is the editor of the resulting publication.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:18:02 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Overview-F.ERDOGAN ix FRACTURE MECHANICS OF CERAMICS Analysis of the Effect of Transformation-lnduced Shear Strains on Stability and Crack Growth in Zirconia Containing Ceramics-.STAM AND E.VAN DER GIESSEN Strength Properties of Surfaee-Machined Components of Structural Ceramics-W.PFEIFFER,T.HOLLSTEIN,AND E.SOMMER Fracture-Resistance Curve Characteristic of a Sintered Al203/ZrO2 Ceramic-K.DUAN,Y.-W.MAI,AND a.COTFERELL Three-Dimensional Cohesive Crack Analysis of Short-Rod Specimens-T.N.BII-INCOURT AND A.R.INGRAFFEA Defect Problems in Piezoelectric Ceramics-H.A.SOSA Experimental and Analytical Studies of Crack Initiation and Arrest in Hot Pressed Silicon Nitride-M.GORELIK,A.M.CALOMINO,AND A.CHUDNOVSKY 19 31 46 61 71 INTERFACE FRACTURE On the Directionality of Interracial Cracking in Bicrystais and the Loading Phase Angle Dependence-J.-S.WANG AND G.E.BELTZ The Effect of Mode Mix on Interfaeial Toughness:A Ductile Mechanism-K.BOSE AND P.P.CASTAIqEDA Micromechanics of Fiber-Matrix Interface and Fracture of Advanced Composites with Engineered lnterfaces-J.-K.KIM AND V.-W.MAI Correlating lnterphase Glass Transition and lnterfacial Microcracking in Polymer Composites-N.R.SOTFOS,D.L.HIEMSTRA,AND W.R.SCOTI Free Edge Problem for Bonded Orthotropic Elastic Layers-s.KADIOGLU AND F.ERDOGAN 89 106 125 140 156 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:18:02 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Interface Cracks in Thermally Loaded Multilayer Ceramic Coatings-K.KOKINI AND Y.R.TAKEUCHI Quasi-Three-Dimensional Stress Fields at an Interface Crack Tip-z.n.JIU AND N.NODA Bimaterial Problem of Strip with Debondings Under Tension and Bending-N.HASEBE,S.KATO,AND T.NAKAMURA Fatigue and Fracture of Adhesively Bonded and Weld-Bonded T-Peei Joints-M.D.GILCHRIST AND R.A.SMITH 177 191 206 222 NEW TECHNIQUES Residual Stress Measurement in Sapphire-Fiber Composites:Through-Focus and Transmission Fluorescen