The first stage in cavitation damage—indentation where cavitation bubbles collapse near the metal surface—was observed and measured by Knapp [1]. The author suggested that the high temperature of indentation points, caused by the absorption of work in their formation, should create conditions favorable to energetic local chemical action between water and metal. The brittle oxide films thus produced would be ruptured by later blows, resulting in erosion. Photomicrographs taken in monochrome and color show the form and texture of indentations with associated corrosive oxidation. Parallel experiments were made with toluene whose inertness permitted the elimination of chemical factors. The special features of the microscope technique employed to get the photographs are explained.
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Indentation of Metals by Cavitation
W. H. Wheeler
W. H. Wheeler
Mechanical Engineering Research Laboratories, Department of Scientific and Industrial Research, East Kilbride, Scotland
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W. H. Wheeler
Mechanical Engineering Research Laboratories, Department of Scientific and Industrial Research, East Kilbride, Scotland
J. Basic Eng. Mar 1960, 82(1): 184-192 (9 pages)
Published Online: March 1, 1960
Article history
Received:
December 31, 1958
Online:
November 4, 2011
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A commentary has been published:
Discussion: “Indentation of Metals by Cavitation” (Wheeler, W. H., 1960, ASME J. Basic Eng., 82, pp. 184–192)
A commentary has been published:
Discussion: “Indentation of Metals by Cavitation” (Wheeler, W. H., 1960, ASME J. Basic Eng., 82, pp. 184–192)
A commentary has been published:
Discussion: “Indentation of Metals by Cavitation” (Wheeler, W. H., 1960, ASME J. Basic Eng., 82, pp. 184–192)
A commentary has been published:
Discussion: “Indentation of Metals by Cavitation” (Wheeler, W. H., 1960, ASME J. Basic Eng., 82, pp. 184–192)
A commentary has been published:
Discussion: “Indentation of Metals by Cavitation” (Wheeler, W. H., 1960, ASME J. Basic Eng., 82, pp. 184–192)
Citation
Wheeler, W. H. (March 1, 1960). "Indentation of Metals by Cavitation." ASME. J. Basic Eng. March 1960; 82(1): 184–192. https://doi.org/10.1115/1.3662513
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