Volume 31, Issue 4 (July 2003)

    Fracture Toughness of Thin Polymer Films Using Miniature Specimens

    (Received 25 February 2002; accepted 11 February 2003)

    Published Online: 2003

    CODEN: JTEOAD

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    Abstract

    Thin polymer films were tested to determine fracture toughness. This was done to provide a measure of the resistance of the materials to crack-related damage and as a method for material evaluation and selection. The films tested were of a transparent polymeric material and were in the range of 0.03–0.10 mm thick. The testing procedures required to determine the fracture toughness for these materials were new, so several aspects of the testing had to be developed. These included the design and machining of appropriate specimens, the test setup and fixtures needed, and the method of data evaluation. This paper describes the procedures used to do this. The development work was done on a model material, 3M transparency overhead film for copiers. Most of the results presented here are for that material.


    Author Information:

    Bose, WW
    Materials, Aerospace & Automotive Engineering Department, EESC-USP, São Carlos, SP,

    Landes, JD
    Mechanical & Aerospace Engineering & Engineering Science, The University of Tennessee, Knoxville, TN


    Stock #: JTE12177J

    ISSN: 0090-3973

    DOI: 10.1520/JTE12177J

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    Author
    Title Fracture Toughness of Thin Polymer Films Using Miniature Specimens
    Symposium , 0000-00-00
    Committee E08