STP439

    Nondestructive Testing of Graphite at the Los Alamos Scientific Laboratory

    Published: Jan 1968


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    Abstract

    The Los Alamos Scientific Laboratory has investigated and used radiography, ultrasonics, sonics, eddy current, radiation gaging, and beta-backscatter gaging for the inspection of graphite and its protective coatings. Some applications and limitations of these techniques are reviewed. The use of ultrasonics, sonics, eddy current, and radiation gaging to determine physical characteristics, aside from the normal flaw detection, shows promise in the inspection of graphite. Electron microscopy has proved to be a valuable tool for the evaluation of the findings of nondestructive testing.

    Keywords:

    nondestructive testing, graphite, ultrasonics, sonics, eddy current, radiation gaging, beta backscatter, electron microscopy, physical properties, moduli, sound velocity, grain orientation, protective coatings


    Author Information:

    Blanks, B. L.
    Alternate group leader, staff member, group leader, and staff member, Los Alamos Scientific Laboratory, Los Alamos, N. Mex.

    Edenborough, N. B.
    Alternate group leader, staff member, group leader, and staff member, Los Alamos Scientific Laboratory, Los Alamos, N. Mex.

    Elliott, D. E.
    Alternate group leader, staff member, group leader, and staff member, Los Alamos Scientific Laboratory, Los Alamos, N. Mex.

    Ford, R. M.
    Alternate group leader, staff member, group leader, and staff member, Los Alamos Scientific Laboratory, Los Alamos, N. Mex.


    Paper ID: STP45883S

    Committee/Subcommittee: E07.05

    DOI: 10.1520/STP45883S


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