_STP_569-1975.pdf

FATIGUE OF COMPOSITE MATERIALS A symposium presented at December Committee Week AMERICAN SOCIETY FOR TESTING AND MATERIALS Bal Harbour,Fla.,3-4 Dec.1973 ASTM SPECIAL TECHNICAL PUBLICATION 569 J.R.Hancock,symposium chairman List price$31.00 04-569000-33 American Society for Testing and Materials 1916 Race Street,Philadelphia,Pa.19103 Copyright by ASTM Intl(all rights reserved);Sun Jan 3 20:51:18 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.?9 BY AMERICAN SOCIETY FOR TESTING AND MATERIALS 1975 Library of Congress Catalog Card Number:74-28976 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Printed in Rahway,N.J.March 1975 Copyright by ASTM Intl(all rights reserved);Sun Jan 3 20:51:18 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The symposium on Fatigue of Composite Materials was presented at December Committee Week of the American Society for Testing and Materials held in Bal Harbour,Fla.,3-4 Dec.1973.Committee E-9 on Fatigue sponsored the symposium in cooperation with the Institute of Metals Division Composites Committee of the American Institute of Mining,Metallurgical,and Petroleum Engineers.J.R.Hancock,Mid-west Research Institute,presided as symposium chairman.Copyright by ASTM Intl(all rights reserved);Sun Jan 3 20:51:18 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Publications Composite Materials:Testing and Design(Third Conference),STP 546(1974),$39.75(04-546000-33)Applications of Composite Materials,STP 524(1973),$16.75(04-524000-33)Analysis of the Test Methods for High Modulus Fibers and Composites,STP 521(1973),$30.75(04-521000-33)Copyright by ASTM Intl(all rights reserved);Sun Jan 3 20:51:18 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Introduction FATIGUE CRACK GROWTH AND INTERFACES Fatigue Crack Propagation Behavior of the Ni-Ni3 Cb Eutectic Composite-W.J.MILLS AND R.W.HERTZBERG 5 Experimental Procedures 7 Presentation and Discussion of Results 11 Conclusions 25 Fatigue Crack Propagation in 0o/90 E-Glass/Epoxy Composites-J.F.MANDELL AND URS MEIER 28 Materials and Test Methods 29 Mode of Crack Propagation 31 Theoretical Prediction of Fatigue Crack Growth Rate 32 Experimental Results and Discussion 37 Conclusions 43 Reducing the Effect of Water on the Fatigue Properties of S-Glass Epoxy Composites-J.v.GAUCHEL,I.STEG AND J.E.COWLING 45 Materials 46 Test Procedure 47 Discussion 50 Summary 51 Fatigue Crack Growth in Dual Hardness Steel Armor-E.B.KULA,A.A.ANCTIL AND H.H.JOHNSON 53 Materials and Procedure 54 Results 56 Discussion 61 Summary and Conclusions 68 Mierocrack Growth in Graphite Fiber-Epoxy Resin Systems During Compressive Fatigue-s.c.KUNZ AND P.W.R.BEAUMONT 71 Experimental Procedures 73 Experimental Results 75 Discussion 77 Conclusions 90 Copyright by ASTM Intl(all rights reserved);Sun Jan 3 20:51:18 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.FATIGUE DEFORMATION AND DAMAGE Nonlinear Response of Boron/Aluminum Angleplied Laminates Under Cyclic Tensile Loading:Contributing Mechanisms and Their Effects-c.c.CHAMIS AND T.L.SULLIVAN 95 Experimental Investigation 96 Theoretical Investigation 97 Results and Discussion 104 Summary of Results 113 Effects of Frequency on the Mechanical Response of Two Composite Materials to Fatigue Loads-w.w.STINCHCOMB,K.L.REIFSNIDER,L.A.MARCUS,AND R.S.WILLIAMS 115 Experimental Procedure 117 Results 118 Discussion 126 Summary and Conclusions 128 Fatigue Behavior of Carburized SteeI-R.w.LANDGRAF AND R.H.RICHMAN 130 Experimental Program 131 Results 134 Discussion 135 Summary 141 Discussion 143 Fatigue and Shakedown in Metal Matrix Composites-G.J.DVORAK AND J.Q.TARN 145 Nomenclature 145 Theoretical Considerations 147 Interpretation of Experiments 156 Discussion 165 Conclusions 166 FATIGUE FRACTURE MECHANISMS AND ENVIRONMENTAL EFFECTS Fatigue Failure Mechanisms in a Unidirectionally Reinforced Composite Material-c.K.H.DHARAN 171 Experimental Procedure 173 Results and Discussion 177 Conclusions 187 Copyright by ASTM Intl(all rights reserved);Sun Jan 3 20:51:18 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.High Strain Fatigue in a Ni(Cr)-TaC Fibrous Eutectic-M.F.HENRY AND N.S.STOLOFF 189 Experimental Procedure 191 Results 193 Discussion 196 Conclusions 207 Fatigue Behavior of an AgaMg-AgMg Eutectie Composite-Y.G.KIM,G.E.MAURER,AND N.S.STOLOFF 210 Alloy Structure and Crystallography 211 Experimental