Volume 23, Issue 3 (May 1995)

    A New Technique for Fracture Characterization of Ceramics at Room and at High Temperature

    (Received 4 August 1994; accepted 14 December 1994)

    CODEN: JTEOAD

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    Abstract

    A new technique for performing stable tests in ceramic materials is analyzed in depth. The new feature consists in using an analog output of a laser metrology apparatus that measured the crack mouth opening displacement (CMOD), as the feedback signal to control a servohydraulic testing machine. In this study, we go deeply into the analysis of the experimental parameters that control the performance of this technique. Finally, the temperature dependence is shown for the fracture parameters obtained from stable tests of single-edge-pre-cracked-beam specimens (SEPB) of 3 mol% Y-TZP.


    Author Information:

    Pastor, JY
    Universidad Politécnica de Madrid, ETS de Ingenieros de Caminos, Ciudad Universitaria, Madrid,

    Planas, J
    Universidad Politécnica de Madrid, ETS de Ingenieros de Caminos, Ciudad Universitaria, Madrid,

    Elices, M
    Universidad Politécnica de Madrid, ETS de Ingenieros de Caminos, Ciudad Universitaria, Madrid,


    Stock #: JTE10412J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10412J

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    Author
    Title A New Technique for Fracture Characterization of Ceramics at Room and at High Temperature
    Symposium , 0000-00-00
    Committee F04