해수 환경 하에서 304 스테인리스강의 캐비테이션 조건에 따른 특성 평가

DOI QR코드

DOI QR Code

장석기;정상옥;한민수;김성종
Jang, Seok-Ki;Chong, Sang-Ok;Han, Min-Su;Kim, Seong-Jong

  • 투고 : 2012.12.21
  • 심사 : 2012.12.30
  • 발행 : 2012.12.31

초록

This investigation evaluated the effect of cavitation condition on electrochemical characteristics of 304 stainless steel, which is widely used for marine environment. The cavitation test with time were conducted on 304 stainless steel in seawater solution. Surface morphologies of specimen were observed by scanning electron microscope (SEM) and 3D microscope. Pitting depth, weight loss and damage rate were analyzed after each cavitation experiment. The surface damage was more severe as the current density increased. A dramatical increase in the damage depth and weight loss was observed after 7 hours of cavitation experiment.

키워드

Cavitation;Electrochemical experiment;Pitting depth;304 stainless steel;Sea water

참고문헌

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피인용 문헌

  1. 1. Electrochemical Characteristics under Cavitation-Erosion Environment of STS 304 and Hot-Dip Aluminized STS 304 in Sea Water Solution vol.49, pp.1, 2016, doi:10.5695/JKISE.2012.45.6.278
  2. 2. Effect of cavitation on surface damage of 16.7Cr-10Ni-2Mo stainless steel in marine environment vol.14, pp.5, 2015, doi:10.5695/JKISE.2012.45.6.278