A Cavitation Erosion Model for Ductile Materials-Reference-Cited by-同舟云学术

A Cavitation Erosion Model for Ductile Materials

Published:2002-08-19 Issue:3 Volume:124 Page:601-606
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

Berchiche N.¹,Franc J. P.²,Michel J. M.²

Affiliation:

1. Department of Naval Architecture and Ocean Engineering, SE-412 96 Go¨teborg, Sweden

2. Laboratoire des Ecoulements Ge´ophysiques et Industriels, BP 53, 38041 GRENBOLE Cedex 9, France

Abstract

An analytical model is proposed for the prediction of cavitation erosion of ductile materials. It is based upon a physical analysis of the work-hardening process due to the successive bubble collapses. The material is characterized by its classical stress-strain relationship and its metallurgical behavior is analyzed from microhardness measurements on cross sections of eroded samples. The flow aggressiveness is determined from pitting tests, using the material properties to go back to the impact loads. The histogram of impact loads is applied numerically a large number of times on the material surface and the evolution of the mass loss with the exposure time is computed. The approach is supported by experimental tests.

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/124/3/601/5901416/601_1.pdf

Reference11 articles.

1. Hammitt, F. G. , 1979, “Cavitation Erosion: The State of The Art And Predicting Capability,” Appl. Mech. Rev., 32(6), pp. 665–675.

2. Karimi, A., and Martin, J. L., 1986, “Cavitation Erosion of Materials,” Int. Met. Rev., 31(1), pp. 1–26.

3. Franc, J. P., and Michel, J. M., 1997, “Cavitation Erosion Research in France: The State of The Art,” Journal of Marine Science and Technology, 2, pp. 233–244.

4. Kato, H., Konno, A., Maeda, M., and Yamaguchi, H., 1995, “Possibility of Quantitative Prediction of Cavitation Erosion Without Model Test,” ASME J. Fluids Eng., 118, pp. 582–588.

5. Karimi, A., and Leo, W. R., 1987, “Phenomenological Model for Cavitation Rate Computation,” Mater. Sci. Eng., 95, pp. 1–14.

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