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Microstreams of liquid formed during the implosion of cavitation bubbles and the effects of pressure waves coming from disappearing bubbles are the main causes of damage of the washed surface, leading to loss of material (the cavitation erosion). Repeated cavitation implosions cause non-uniform stress state resulting in the strengthening of the surface layer, change of micro-geometry and surface cracks leading to detachment of the material particles. Course of cavitation erosion process depends on the effects of plastic deformation at the beginning of the destruction. The aim of this study was analysis of plastic deformation by EBSD method of CuZn10 cast alloy at the beginning of the cavitation destruction process.
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51--56
Opis fizyczny
Bibliogr. 10 poz., rys., wykr.
Twórcy
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- Institute of Basic Technical Sciences, Maritime University of Szczecin, Szczecin, Poland
autor
- Department of Advanced Materials and Technologies, Military University of Technology, Warszawa, Poland
autor
- Department of Advanced Materials and Technologies, Military University of Technology, Warszawa, Poland
Bibliografia
- [1] Plesset M. S. (1949). The Dynamics of cavitation bubbles. ASME J. Appl. Mech. 16, 228-231.
- [2] Plesset M. S., Prosperetti A. (1977). Bubble dynamics and cavitation, Ann. Rev. Fluid Mech. 9, 145-185.
- [3] Steller K. (1983). O mechanizmie niszczenia materiałów podczas kawitacji. Zeszyty Naukowe Instytutu Maszyn Przepływowych PAN. Gdańsk. 175(1107/83).
- [4] Plesset M. S. & Chapman R. B. (1971). Collapse of an initially spherical vapour cavity in the neighbourhood of a solid boundary. Jour. Fluid Mech. 47.
- [5] Fedotkin I., Yochno, O. Some problems of development of cavitation technologies for industry applications, CAV2001.
- [6] Hickling R., Plesset M.S. (1963). The collapse of a spherical cavity in a compressible liquid, CIT.
- [7] Krause H. & Mathias M. (1987). Investigation of cavitation erosion using x-ray residual stress analysis. Wear. 119, 343-352.
- [8] Kamaya M., Wilkinson A. J. & Titchmarsh J. M. (2005). Measurement of plastic strain of polycrystalline material by electron backscatter diffraction. Nuclear Engineering and Design. 235, 713–725.
- [9] Schwartz J., Kumar M., Adams L. & Field P. (2009). Electron Backscatter Diffractionin Materials Science, second ed., Springer.
- [10] Hughes D. A., Hansen N. (1997). High angle boundaries formed by grain subdivision mechanisms. Acta Mater. 45, 3871–3886.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-bd18e71a-4056-4c6a-99e7-7841ecb4cb8e