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    Rain and Sand Erosion, Phenomena of Material Destruction Caused by Repeated Loads

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    A rotating arm for maximum peripheral speeds of 1000 m/s has been developed at Dornier-System for testing the material behavior of multiple impact of solids. The test equipment will be discussed.

    Fundamental tests concerning the relationship between fatigue behavior and erosion and cavitation strength for various materials have been performed in a rain erosion test rig M = 1.4 and on a magnetostrictive oscillator of 20 kHz. The influence of various treatments on the erosion resistance has been investigated on the stellites which are important for the construction of steam turbines.

    By altering the test temperature of high polymers the dependence of erosion resistance to the relaxation characteristics has been determined.

    To detect the influence of the altitude on the rain erosion of aircrafts, measurements have been performed to investigate the rain erosion as a function of the atmospheric pressure.


    erosion, cavitation, wind, sand, scouring, wear, fatigue (materials), tests

    Author Information:

    Hoff, G
    Dornier-System GmbH, Friedrichshafen,

    Herbert, W
    Dornier-System GmbH, Friedrichshafen,

    Rieger, H
    Dornier-System GmbH, Friedrichshafen,

    Committee/Subcommittee: G02.10

    DOI: 10.1520/STP26879S