Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9948
Title: Synergistic effect of cavitation erosion and corrosion of various engineering alloys in 3.5% NaCl solution
Authors: Kwok, CT
Cheng, FT
Man, HC 
Keywords: Cavitation erosion and corrosion
Copper-based alloys
Grey cast iron
Mechanical properties
Steels
Synergism
Issue Date: 2000
Publisher: Elsevier
Source: Materials science and engineering. A, Structural materials : properties, microstructure and processing, 2000, v. 290, no. 1-2, p. 145-154 How to cite?
Journal: Materials science and engineering. A, Structural materials : properties, microstructure and processing 
Abstract: The cavitation erosion and corrosion characteristics of various engineering alloys including grey cast iron, steels, copper-based alloys and stainless steels were studied by means of a 20 kHz ultrasonic vibrator at a peak-to-peak amplitude of 30 μm in distilled water and in 3.5% NaCl solution at 23°C. The contributions of pure mechanical erosion, electrochemical corrosion, and the synergism between erosion and corrosion to the overall cavitation erosion-corrosion in 3.5% NaCl solution were determined. It was found that in 3.5% NaCl solution, the effect of corrosion on the overall cavitation erosion-corrosion was most pronounced in mild steel and grey cast iron, and negligible in stainless steels. The stainless steels only suffered pure mechanical erosion in 3.5% NaCl solution in the presence of cavitation owing to the unfavourable local environment for pit growth.
URI: http://hdl.handle.net/10397/9948
ISSN: 0921-5093
EISSN: 1873-4936
DOI: 10.1016/S0921-5093(00)00899-6
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