Polymer Composites

JOHN SHAFFER*

Oak Ridge National Laboratory, P.O. Box 2009, Oak Ridge, Tennessee 37831

THEODORE P. PHILIPPIDIS and ANASTASIOS P. VASSILOPOULOSf

University of Patras, Department of Mechanical Engineering and Aeronautics, Patras, Greece

1.A Polymer Composites

1.1 Description

1.1.1 Scope

1.1.2 History and Future Developments

1.1.3 Definition

1.2 Constituent Materials and Properties

1.2.1 Fibers

1.2.2 Resins

1.2.3 Prepregs

1.3 Design Options

1.3.1 Final Products

1.3.2 Introduction to Methodology

1.3.3 Laminae

1.3.4 Laminates

1.4 Testing/Analysis

1.4.1 Mechanical Properties

1.5 Nondestructive Tests (Quality Assurance)

1.6 Environmental Performance

1.6.1 Temperature

1.6.2 Moisture Exposure

1.7 Fabrication

1.7.1 Methods and Processes

1.7.1.1 Overview

1.7.1.2 Processes

*Sections 1.1-1.7 tSections 1.8-1.13

Handbook of Advanced Materials Edited by James K. Wessel ISBN 0-471-45475-3 Copyright © 2004 John Wiley & Sons, Inc.

1.B Fatigue of Glass-Fiber-Reinforced Plastics Under Complex Stress States

1.8 Introduction

1.9 Theoretical Considerations

1.9.1 Fatigue Strength

1.9.2 Stiffness Reduction During Fatigue Life

1.9.3 Statistical Evaluation of Fatigue Strength Data

1.10 Experimental Procedure

1.10.1 Material and test Coupons

1.10.2 Test Program and Results

1.10.2.1 Static and Fatigue Strength

1.10.2.2 Stiffness Degradation

1.11 Discussion

1.11.1 Survival Probability, Constant Life Diagrams

1.11.2 Fatigue Strength Prediction

1.11.3 Stiffness Controlled, Sc-N, Fatigue Design Curves

1.12 Conclusions References

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