STP613

    Application of an On-Line Digital Data System in the Composite Materials Fatigue Laboratory

    Published: Jan 1976


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    Abstract

    An experiment-dedicated data acquisition and processing system used in concert with a closed-loop servocontrolled testing machine is described, and its application to research on the fatigue response of composite materials is presented. The testing facility has been used to obtain reliable fatigue damage data for composite materials by monitoring (semi) time-resolved changes in material properties during the course of fatigue tests for the purpose of achieving a better understanding of fatigue damage processes. Included in the paper are discussions of the laboratory equipment, experimental procedures, and use of the data handling system in fatigue research.

    Keywords:

    fatigue (materials), computers, data acquisition, data processing, composite materials, feedback control, material properties


    Author Information:

    Stinchcomb, WW
    Assistant professor and professor, Virginia Polytechnic Institute and State University, Blacksburg, Va.

    Reifsnider, KL
    Assistant professor and professor, Virginia Polytechnic Institute and State University, Blacksburg, Va.

    Williams, RS
    Research scientist, Battelle Laboratories, Columbus, Ohio


    Paper ID: STP27905S

    Committee/Subcommittee: E08.03

    DOI: 10.1520/STP27905S


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