Volume 16, Issue 1 (January 1988)

    A Simple, High Precision Biaxial Extensometer for High Temperature Creep Study

    (Received 6 November 1986; accepted 22 May 1987)

    CODEN: JTEOAD

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    Abstract

    A biaxial extensometer for high temperature creep study is described. The axial displacement is measured by a linear variable differential transformer, the angular displacement by a rotary variable differential transformer. The possible interference between the axial and angular displacement measurements is minimized by using instrument linear motion ball bushing bearings and case hardened shafts. Examples of applications are given for a constant shear strain rate test and a creep test at 200°C under abrupt changes of stress states performed on a thin-walled tube specimen made of 2618 aluminum alloy.


    Author Information:

    Ding, JL
    Assistant Professor, Research Assistant, and Research Assistant, Washington State University, Pullman, WA

    Lee, SR
    Assistant Professor, Research Assistant, and Research Assistant, Washington State University, Pullman, WA

    Ortiz, R
    Assistant Professor, Research Assistant, and Research Assistant, Washington State University, Pullman, WA


    Stock #: JTE11053J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11053J

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    Author
    Title A Simple, High Precision Biaxial Extensometer for High Temperature Creep Study
    Symposium , 0000-00-00
    Committee D30