Complex Behavior Using the Hybrid Method of Cavitation and Electrochemical Corrosion for Casted Al Bronze

Min Su Han; Il Cho Park; Jae Cheul Park; Jae Yong Jeong; Seong Jong Kim

doi:10.4028/www.scientific.net/AMR.811.113

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Complex Behavior Using the Hybrid Method of Cavitation and Electrochemical Corrosion for Casted Al Bronze
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 811Complex Behavior Using the Hybrid Method of...

Complex Behavior Using the Hybrid Method of Cavitation and Electrochemical Corrosion for Casted Al Bronze

Abstract:

The sustainable development of engineering, mechanical instrument requires higher speed and higher power. It cause a physical damage is excessive damage for underwater rotating system as cavitations and erosion, but also electrochemical corrosion by chloride ion and flow of current in marine environment. In this study, we assessed electrochemical corrosion characteristics of aluminum-bronze that are the material for the underwater rotating system used in the ocean industry and studied the complex behavior of electrochemical corrosion and cavitation corrosion through the hybrid test that also included cavitation corrosion environment. After the cavitation hybrid tests, surface of specimens are observed to measurement damage degree using 3D optical microscope and compared the average of damage depth by immersion time. The observation of the surface micro-structure suggested that the corrosion took place initially in β phase that has poor corrosion resistance in spite of high hardness.

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Periodical:

Advanced Materials Research (Volume 811)

Pages:

113-119

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.811.113

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Online since:

September 2013

Authors:

Min Su Han, Il Cho Park, Jae Cheul Park, Jae Yong Jeong, Seong Jong Kim

Keywords:

Aluminum-Bronze, Cavitation Corrosion, Cavitation Hybrid Test, Complex Behavior, Electrochemical Corrosion, Underwater Rotating System

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