COMPOSITE MATERIALS - ASTM International · PDF fileCOMPOSITE MATERIALS: ... Failure Criteria...
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COMPOSITE MATERIALS:
TESTING AND DESIGN
A symposium presented at a meeting of Committee D-30 on High Modulus Fibers and Their Composites
AMERICAN SOCIETY FOR TESTING AND MATERIALS New Orleans, La., 11-13 Feb. 1969
ASTM SPECIAL TECHNICAL PUBLICATION 460
List price $31.00
AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race Street, Philadelphia, Pa. 19103
© BY AMERICAN SOCIETY FOR TESTING AND MATERIALS 1969 Library of Congress Catalog Card Number: 76-89674
SBN 8031-0017-5
NOTE
The Society is not responsible, as a body, for the statements and opinions
advanced in this publication.
Printed in York, Pa. December 1969
Foreword
The papers in the Symposium on Composite Materials: Testing and Design were presented at a meeting held in New Orleans, La., 11-13 February 1969. The symposium was sponsored by The American Society for Testing and Materials through its Committee D-30 on High Modulus Fibers and Their Composites. Steven Yurenka, McDonnell Douglas Corp., presided as symposium chairman.
Related ASTM Publications
Metal Matrix Composites, STP 438 (1968), $18.50
Fiber-Strengthened Metallic Composites, STP 427 (1967), $12.75
Contents
Introduction 1
Testing
Composite Materials' Testing—s. p. PROSEN 5
Mechanical Properties and Test Techniques for Reinforced Plastic Laminates— S. DASTIN, G. LUBIN, J. MUNYAK, AND A. SLOBODZINSKI 13
Special Problems Associated with Boron-Epoxy Mechanical Test Specimens— R. N. HADCOCK AND J. B. WHITESIDE 27
Characterization of Anisotropic Composite Materials—j. c. HALPIN, N. J. PAGANO, J. M. WHITNEY, AND E. M. TO 37
Test Methods for High-Modulus Carbon Yarn and Composites—j. T. HOGGATT . 48
The Effect of Geometry on the Mode of Failure of Composites in Short-Beam Shear Tests—s. A. SATTAR AND D. H. KELLOGG 62
Characterization of the Mechanical Properties of a Unidirectional Carbon Rein- forced Epoxy Matrix Composite—E. A. ROTHMAN AND G. E. MOLTER . 72
A Simplified Method of Determining Inplane Shear Stress-Strain Response of Unidirectional Composites—p. H. PETIT 83
Angle-Plied Boron/Epoxy Test Methods—A Comparison of Beam-Tension and Axial Tension Coupon Testing—R. B. LANTZ AND K. G. BALDRIDGE . . 94
Compression Testing of Aluminum-Boron Composites—N. R. ADSIT AND J.D. FOREST 108
Preliminary Evaluation of Test Standards for Boron Epoxy Laminates— E. M. LENOE, M. KNIGHT, AND C. SCHOENE 122
Shear-Modulus Determination of Isotropic and Composite Materials— L. B. GRESZCZUK 140
End Plugs for External Pressure Tests of Composite Cylinders—R. J. MILLER . 150
Strength Theories of Failure for Anisotropic Materials—B. E. KAMINSKI AND B. B. LANTZ 160
Optimization of a Boron Filament Reinforced Composite Matrix— P. W. JUNEAU, JR., L. H. SHENKER, AND V. N. SAFFIRE 170
Defining the Adhesion Characteristics in Advanced Composites—G. L. HANNA AND SAMUEL STEINGISER 182
Fatigue Testing and Thermal-Mechanical Treatment Effects on Aluminum- Boron Composites—H. SHIMIZU AND J. F. DOLOWY, JR 192
Mechanical Testing of Metal-Matrix Composites—K. G. KREIDER .... 203
Fatigue and Creep
Fatigue Fundamentals for Composite Materials—K. H. BOLLER 217
Creep and Fatigue Behavior of Unidirectional and Cross-Plied Composites— i. j. TOTH 236
Creep and Rupture of Graphite-Epoxy Composites—F. Y. SOLIMAN . . . 254
Characterizing Strength of Unidirectional Composites—o. ISHAI AND R. E. LAVENGOOD 271
Design and Application
Practical Influence of Fibrous Reinforced Composites in Aircraft Structural Design—H. c. SCHJELDERUP AND B. H. JONES 285
Determination of Design Allowables for Composite Materials—B. H. JONES . 307
Characterization of Graphite Fiber/Resin Matrix Composites—R. A. ELKIN, G. FUST, AND D. P. HANLEY 321
Failure Criteria for Filamentary Composites—c. c. CHAMIS 336
Shear Stability of Laminated Anisotropic Plates—j. E. ASHTON AND T. S. LOVE . 352
Behavior of Fiber-Reinforced Plastic Laminates under Biaxial Loading— C. W. BERT, B. L. MAYBERRY, AND J. D. RAY 362
Methods of Joining Advanced Fibrous Composites—R. N. DALLAS . . . .381
Diffusion Bonded Scarf Joints in a Metal Matrix Composite—E. F. OLSTER AND H. c. JONES 393
Tungsten Alloy Fiber Reinforced Nickel Base Alloy Composites for High- Temperature Turbojet Engine Applications—D. W. PETRASEK AND R. A. SIGNORELLI 405
Composite Materials for High-Temperature Magnetic Applications—D. M. PAVLOVIC AND R. J. TOWNER 417
Cryogenic Boron-Filament-Wound Pressure Vessels—E. E. MORRIS AND R. j. ALFRING 430
Structural Synthesis of Composite Materials for Ablative Nozzle Extensions— N. N. AU, E. R. SCHEYHING, AND G. D. SUMMERS 444
Structural Evaluation of Long Boron Composite Columns—j. w. GOODMAN AND J. A. GLIKSMAN 460
Fracture Mechanics
Fracture Processes in Fiber Composite Materials—A. S. TETELMAN .... 473
Crack Phenomena in Cross-Linked Glassy Polymers—F. J. MCGARRY AND J. N. SULTAN 503
Fractography of Aluminum-Boron Composites—R. C. JONES 512
Tensile Strength of Fiber-Reinforced Composites: Basic Concepts and Recent Developments—CARL ZWEBEN 528
vi Contents
Fracture in Graphite Filament Reinforced Epoxy Loaded in Shear— R. c. NOVAK 540
Electrical and Photographic Techniques for Measuring Microcracking in Some Fiber Reinforced Plastics—WILLIAM MAHIEU 550
Microstrain in Continuously Reinforced Tungsten-Copper Composites— E. J. HUGHES AND J. L. RUTHERFORD 562
The Role of Bond Strength in the Fracture of Advanced Filament Reinforced Composites—A. GATTI, J. V. MULLIN, AND J. M. BERRY 573
Contents vii