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Cavitation Damage Characteristics of Shot Peened ALBC3 Alloy
Il-Cho Park1, Min-Su Han1, Seong-Jong Kim1
1Division of Marine System Engineering, Mokpo Maritime University, Mokpo, Jeonnam, 58628, Korea.
Abstract:
Copper alloys have widely used for marine plants, ship building equipment, and renewable energy facilities under marine environment due to its excellent castability, durability, and corrosion resistance. In this study, the surface of ALBC3 alloy was modified with shot peening time to improve the strength and cavitation characteristics. For evaluation of cavitation resistance, cavitation experiments for the non-shot peened and shot-peened specimens were performed to investigate the extent of damage and determine the weight loss. As a result, the shot peened ALBC3 alloys improved cavitation resistance. In particular, the shot peening time of 3.5 min was considered to be the optimum shot peening condition since it presented an improvement of 35.7% in cavitation resistance.
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