STP675

    Quantitative Stereological Methods for Analyzing Important Microstructural Features in Fatigue of Metals and Alloys

    Published: Jan 1979


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    Abstract

    This paper reviews the practical aspects of extracting quantitative microstructural data from microstructures of fatigued metals and alloys. In addition to the basic stereological information needed to characterize the essential geometrical elements of the structure, special methods are developed and described for quantifying more subtle effects. Thus, elongated structures, lamellar systems, gradients, and locational characteristics of particles are considered with respect to the fatigue process and its interactions with the microstructural features.

    Keywords:

    fatigue (materials), crack initiation, crack propagation, quantitative stereology, striations, quantitative analysis, microstructure, grain structure, inclusions, particle distribution


    Author Information:

    Underwood, EE
    Professor of metallurgy and professor of metallurgy and director, Fracture and Fatigue Research Laboratory, Georgia Institute of Technology, Atlanta, Ga.

    Starke, EA
    Professor of metallurgy and professor of metallurgy and director, Fracture and Fatigue Research Laboratory, Georgia Institute of Technology, Atlanta, Ga.


    Paper ID: STP35909S

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP35909S


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