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Selected Technical Papers STP 1559STP 1559 Fatigue and Fracture of Medical Metallic Materials and Devices:3rd Volumewww.astm.orgISBN:978-0-8031-7545-7 Stock#:STP1559Mitchell Smith Woods BergFatigue and Fracture of Medical Metallic Materials and Devices:3rd VolumeEditors:M.R.MitchellStephen W.SmithTerry WoodsBrian T.Berg Selected Technical Papers STP1559Fatigue and Fracture of Medical Metallic Materials and Devices:3rd VolumeEditors:M.R.MitchellStephen W.SmithTerry WoodsBrian T.BergASTM International100 Barr Harbor DrivePO Box C700West Conshohocken,PA 19438-2959Printed in the U.S.A.ASTM Stock#:STP1559 Library of Congress Cataloging-in-Publication DataSymposium-Fatigue and Fracture of Medical Metallic Materials and Devices(3rd:2012:Atlanta,Ga.),author.Fatigue and fracture of medical metallic materials and devices/editors,M.R.Mitchell,Stephen W.Smith,Terry Woods,Brian Berg.p.;cm.-(Selected technical papers;STP1559)“3rd volume.”“From the Third Symposium on Fatigue and Fracture of Medical Metallic Materials and Devices that was held on November 14,2012 in Atlanta,Georgia”-Overview page.Includes bibliographical references and index.ISBN 978-0-8031-7545-7(alk.paper)I.Mitchell,M.R.(Michael R.),1941-editor of compilation.II.Smith,Stephen W.(Stephen William),1965-editor of compilation.III.Woods,Terry,1960-editor of compilation.IV.Berg,Brian,1958-editor of compilation.V.ASTM International,issuing body.VI.Title.VII.Series:Journal of ASTM International.Selected technical papers;STP1559.DNLM:1.Materials Testing-Congresses.2.Alloys-Congresses.3.Biocompatible Materials-Congresses.4.Equipment Failure-Congresses.5.Stress,Mechanical-Congresses.QT 37TA 418.36610.28 4-dc23 2014003008Copyright 2014 ASTM INTERNATIONAL,West Conshohocken,PA.All rights reserved.This material may not be reproduced or copied,in whole or in part,in any printed,mechanical,electronic,fi lm,or other distribution and storage media,without the written consent of the publisher.Photocopy RightsAuthorization to photocopy items for internal,personal,or educational classroom use,or the internal,personal,or educational classroom use of specifi c clients,is granted by ASTM International provided that the appropriate fee is paid to ASTM International,100 Barr Harbor Drive,P.O.Box C700,West Conshohocken,PA 19428-2959,Tel:610-832-9634;online:http:/www.astm.org/copyright.The Society is not responsible,as a body,for the statements and opinions expressed in this publication.ASTM International does not endorse any products represented in this publication.Peer Review PolicyEach paper published in this volume was evaluated by two peer reviewers and at least one editor.The authors addressed all of the reviewers comments to the satisfaction of both the technical editor(s)and the ASTM International Committee on Publications.The quality of the papers in this publication refl ects not only the obvious efforts of the authors and the technical editor(s),but also the work of the peer reviewers.In keeping with long-standing publication practices,ASTM International maintains the anonymity of the peer reviewers.The ASTM International Committee on Publications acknowledges with appreciation their dedication and contribution of time and effort on behalf of ASTM International.Citation of PapersWhen citing papers from this publication,the appropriate citation includes the paper authors,“paper title”,STP title and volume,STP number,Paper doi,ASTM International,West Consho-hocken,PA,Paper,year listed in the footnote of the paper.A citation is provided on page one of each paper.Printed in Bay Shore,NYFebruary,2014 ForewordTHIS COMPILATION OF Selected Technical Papers,STP1559,on Fatigue and Fracture of Medical Metallic Materials and Devices:3rd Volume contains peer-reviewed papers that were presented at a symposium held November 14,2012 in Atlanta,GA.The symposium was sponsored by ASTM International Committee E08 on Fatigue and Fracture and Subcommittee E08.05 on Cyclic Deformation and Fatigue Crack Formation.The Symposium Co-Chairpersons and STP Co-Editors are M.R.Mitchell,Mechanics&Materials,LLC,Flagstaff,AZ,USA,Stephen W.Smith,NASA Langley Research Center,Hampton,VA,USA,Terry Woods,U.S.Food and Drug Administration,Silver Springs,MD,USA,and Brian T.Berg,Boston Scientifi c Corp.,Saint Paul,MN,USA.ContentsOverview.viiThe Effects of Test Speed on Fatigue Life of Nitinol Wire in Rotary BendJ.D.Weaver,S.Gupta,and T.O.Woods.1The Effect of Inclusions on Fatigue Properties for NitinolM.F.Urbano,A.Coda,S.Beretta,A.Cadelli,and F.Sczerzenie.18Fatigue Crack Initiation in Superelastic NitinolK.E.Perry and A.Teiche.35In Vivo Strain Estimates for Medical ImplantsK.E.Perry,M.M.Quest,T.J.Johnson,and R.Conta.53Literature Discrepancies in Biomechanical Loading of Orthopedic Trauma Devices Intended for Lower ExtremitiesA.Whitten and J.Cartner.68Bending Fatigue Characteristics of Orthopedic BiomaterialsA.Whitten,J.Cartner,and R.Soileau.85Ti-6Al-4V Fatigue Strength After Shot Peening:The Role of a Corrosive Env