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    STP595

    Fatigue Crack Growth Under Spectrum Loads

    Wei RP, Stephens RI
    Published: 1976


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    The Symposium on Fatigue Crack Growth Under Spectrum Loads was held on 23-24 June 1975 at the Seventy-eighth Annual Meeting of the American Society for Testing and Materials in Montreal, Quebec, Canada. Committee E24 on Fracture Testing of Metals and Committee E09 on Fatigue sponsored the symposium. R. P. Wei, Lehigh University, and R. I. Stephens, The University of Iowa, served as the symposium cochairmen. Serving as members of the Symposium Organizing/Program Committee and as session chairmen were J. M. Barsom, U. S. Steel Corp.; W. G. Clark, Jr., Westinghouse R & D Center; N. E. Dowling, Westinghouse R & D Center; C. M. Hudson, NASA Langley Research Center; E. K. Walker, Lockheed California Co.; and Howard Wood, AFFDL/FBR, Wright-Patterson AFB.


    Table of Contents

    Introduction

    Discussion

    Discussion

    Discussion

    Observations on the Prediction of Fatigue Crack Growth Propagation Under Variable-Amplitude Loading

    Fatigue Crack Growth with Negative Stress Ratio Following Single Overloads in 2024-T3 and 7075-T6 Aluminum Alloys

    Effect of Single Overload/Underload Cycles on Fatigue Crack Propagation

    Effects of Rest Time on Fatigue Crack Retardation and Observations of Crack Closure

    Mechanisms of Overload Retardation During Fatigue Crack Propagation

    Spike Overload and Humidity Effects on Fatigue Crack Delay in Al 7075-T651

    Influences of Chemical and Thermal Environments on Delay in a Ti-6Al-4V Alloy

    Effect of Various Programmed Overloads on the Threshold for High-Frequency Fatigue Crack Growth

    A Model for Fatigue Crack Growth Delay Under Two-Level Block Loads

    Mathematical Modeling of Crack Growth Interaction Effects

    Experimental Results and a Hypothesis for Fatigue Crack Propagation Under Variable-Amplitude Loading

    Effect of Spectrum Type on Fatigue Crack Growth Life

    Stress Spectrums for Short-Span Steel Bridges

    Fatigue Crack Growth Under Variable-Amplitude Loading in Various Bridge Steels

    Equivalent Constant-Amplitude Concept for Crack Growth Under Spectrum Loading

    Crack Growth in Ti-8Al-1Mo-1V with Real-Time and Accelerated Flight-by-Flight Loading

    Prediction of Fatigue Crack Growth under Irregular Loading

    Structural Reliability Prediction Method Considering Crack Growth and Residual Strength

    Spectrum Crack Growth Prediction Method Based on Crack Surface Displacement and Contact Analyses

    Spectrum Fatigue Crack Growth in Lugs

    Glossary


    Committee: E08

    DOI: 10.1520/STP595-EB

    ISBN-EB: 978-0-8031-4672-3

    ISBN-13: 978-0-8031-0344-3

    ASTM International is a member of CrossRef.

    0-8031-0344-1
    978-0-8031-0344-3
    STP595-EB