Effects of Temperature and Amplitude on Damage Behavior of Al Alloy by Ultrasonic Vibration Cavitation
With rapid industrial progress, the material damage by severe corrosive environment and cavitation are emerging as a major issue. To solve this problem, various researches on design changes, addition of inhibitor, material improvement, and cathodic protection are being conducted. The
water cavitation peening technique, especially, is a prominent surface modification technology which introduces compressive residual stress for surface using local breakdown impact pressure of cavities. While the application of cavitation has advantage in the improvement of material performance,
it damages materials if it is excessive. Various factors are associated with such material damages, including flow, pressure, temperature, and amplitude of vibration. This study examined the degree of cavitation damages with various seawater temperatures and ultrasonic amplitudes for the aluminum
alloy 5083-H116. The experiment results indicated that weightloss increased with the increase in seawater temperatures, ultrasonic amplitudes, and experiment time.
Keywords: AL ALLOY; CAVITATION; CORROSION; SEAWATER; ULTRASONIC AMPLITUDE
Document Type: Research Article
Publication date: 01 October 2014
- Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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