Vibration tests of fireproof coatings were performed on test specimens measuring 4 feet square. Specimens were simulations of railroad tank car sidewall panels. Samples of fireproof coatings from three different manufacturers were tested. The vibration test consisted of application of a prescribed vibration spectrum perpendicular to the test panels, determination of natural resonances within the test frequency range, and examination of the test specimens for deterioration or failure of the coatings. Each panel was continuously vibrated during seven 12-minute duration long-sweeps, stepping from 10 Hz at 0.5 G's to 200 Hz. at 1.5 G's. All six panels were tested (two from each manufacturer). No observable defects were noted on any of the six specimens. It is concluded that within the limits of the tests performed, all six panels performed satisfactorily.


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    Title :

    Vibration testing of railroad tank car specimens


    Additional title:

    Schwingungspruefung von Eisenbahntankwagen


    Contributors:
    Harris, J.E. (author) / Pierce, W.E. (author)

    Published in:

    Publication date :

    1982


    Size :

    61 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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