ASTM WK74182

    New Test Method for Characterizing Mode-I Interfacial Fracture Toughness of Adhesives with Composite Adherends

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    Developed by Subcommittee: D30.06 | Committee D30 | Contact Staff Manager



    WK74182

    1. Scope

    Mode-I interfacial fracture toughness of adhesives Mode-I traction-separation constitutive relation of adhesives Test limited to double cantilever beam specimens with identical symmetric tape or fabric laminate adherends secondarily bonded or co-cured using a paste or film adhesive material.


    Keywords

    J-integral; interfacial fracture test method

    Rationale

    Existing interlaminar fracture toughness test methods rely on linear elastic fracture mechanics principles which may not apply to fracture of high-fracture toughness structural adhesive materials used in bonded composite structure. A new test method to characterize interfacial fracture of these adhesives would provide helpful engineering information, including design allowables and input data for progressive damage analysis tools. Potential users include manufacturers of bonded composite structure, academic institutions, government agencies, and other researchers in the field of composite materials.

    The title and scope are in draft form and are under development within this ASTM Committee.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    09-21-2020

    Technical Contact:
    James Ratcliffe

    Status:
    Draft Under Development