_STP_1201-1994.pdf

Copyright by ASTM Intl(all rights reserved);Tue May 6 11:08:24 EDT 2014Downloaded/printed byRochester Institute Of Technology pursuant to License Agreement.No further reproductions authorized.STP 1201 Life Prediction Methodologies and Data for Ceramic Materials C.R.Brinkman and S.F.Duffy,editors ASTM Publication Code Number(PCN)04-012010-09 As M 1916 Race Street Philadelphia,PA 19103 Copyright by ASTM Intl(all rights reserved);Tue May 6 11:08:24 EDT 2014Downloaded/printed byRochester Institute Of Technology pursuant to License Agreement.No further reproductions authorized.Library of Conzress CataloinR-in-Publication Data Life prediction methodolEies and data for ceramic materials/C.R.Brinkman and S.F.Duffv,editors.(ASTH special technical publication;1201)Symposium sponsored by ASTM Committee C-28 on Advanced Ceramics.ISBN 0-8031-1864-3 I.Ceramic materlals-Testin.2.Acceleated llfe testinr 3.Non-destructive testing.I.Binkman,C.R.II.Duffv,S.F.,1965-.III.ASTH Committee C-2B on Advanced Ceramics.IV,Series.TA455.C43L54 1994 93-44605 620.I4-dc20 CIP Copyright?9 1994 AMERICAN SOCIETY FOR TESTING AND MATERIALS,Philadelphia,PA.All 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 Clearance 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.,Danvers,MA 01923;Phone:(508)750-8400;Fax:(508)950-4744.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 0-8031-1864-3/94$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 printed 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 Printed in Ann Arbor,MI January 1994 Copyright by ASTM Intl(all rights reserved);Tue May 6 11:08:24 EDT 2014Downloaded/printed byRochester Institute Of Technology pursuant to License Agreement.No further reproductions authorized.Foreword This publication,Life Prediction Methodologies and Data for Ceramic Materials,contains papers presented at the symposium of the same name,held in Cocoa Beach,FL on 11-13 Jan.1993.The symposium was sponsored by ASTM Commitee C-28 on Advanced Ceramics and the American Ceramics Society.C.R.Brinkman of Oak Ridge National Laboratories in Oak Ridge,TN and S.F.Duffy of Cleveland State University in Cleveland,OH presided as symposium chairmen and are editors of the resulting publication.Copyright by ASTM Intl(all rights reserved);Tue May 6 11:08:24 EDT 2014Downloaded/printed byRochester Institute Of Technology pursuant to License Agreement.No further reproductions authorized.Contents Overview-c.R.BRINKMAN AND S.F.DUFFY vii DATA AND MODEL DEVELOPMENT Silicon Nitride Tensile Strength Data Base from Ceramic Technology Program Processing for Reliability Project-M.R.FOLEY,V.K.PUJARI,L.C.SALES,AND D.M.TRACEY Elevated Temperature Behavior of Sintered Silicon Nitride Under Pure Tension,Creep,and Fatigue-J.SANKAR,S.KRISHNARAJ,R.VAIDYANATHAN,AND A.D.KELKAR Fracture Mechanism Maps:Their Applicability to Silicon Nitride-s.M.WEIDERHORN,G.D.QUINN,AND R.KRAUSE A Comparative Study of Existing and Newly Proposed Models for Creep Deformation and Life Prediction of Si3N4-J.L.DING,K.C.LIU,AND C.R.BRINKMAN Creep Behavior of Silicon Nitride Determined from Curvature and Neutral Axis Shift Measuring in Flexure Tests-J.A.SALEM AND S.R.CHOI Comparison of Tension and Flexure to Determine Fatigue Life Prediction Parameters at Elevated Temperatares-s.R.CHOI,J.A.SALEM,AND J.L.PALKO Monotonic and Cyclic Rupture of a Silicon Nitride Ceramic-F.HILD AND D.MARQUIS Mechanical Properties and NDE of a HIPed Silicon Nitride-p.K.KHANDELWAL 19 36 62 84 98 112 127 LIFE PREDICTION METHODOLOGIES The Numerical Evaluation of Failure Theories for Brittle Materials-J.SMART AND S.L.FOK Lifetime Prediction for Ceramic Materials Under Constant and Cyclic Load-T.FETT AND D.MUNZ 143 161 Copyright by ASTM Intl(all rights reserved);Tue May 6 11:08:24 EDT 2014Downloaded/printed byR