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    Discontinuities in Cast and Wrought Products that can be Revealed by Non-Destructive Tests

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    The ASTM Tentative Industrial Radiographic Terminology for the Radiographic Inspection of Castings and Weldments (E 52-49 T), is illustrated by prints representing typical discontinuities for each subdivision. The sensitivity limitations and important applications are briefly described for four extensively used non-destructive tests—radiographic, fluorescent penetrant, magnetic particle, and ultrasonic methods. An attempt is made to define the discontinuities in the ASTM Terminology that are likely to be detected in non-ferrous and ferrous castings and welds by these four tests. There is also some discussion of the types of discontinuities that may be revealed in wrought products by these methods.

    Author Information:

    Van Horn, Kent R.
    Associate Director of Research, Aluminum Company of America, New Kensington, Pa.

    Committee/Subcommittee: E07.01

    DOI: 10.1520/STP46820S