Corrosion Science and Technology

  • 제11권4호
  • /
  • Pages.151-156
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  • 2012
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  • 1598-6462(pISSN)
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  • 2288-6524(eISSN)
한국부식방식학회 (The Corrosion Science Society of Korea)
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5052-O 알루미늄 합금의 워터 캐비테이션 피닝 시간에 따른 표면 경화와 부식 특성에 관한 연구

Investigation on surface hardening and corrosion characteristic by water cavitation peening with time for Al 5052-O alloy

  • 김성종 (목포해양대학교 기관시스템공학부) ;
  • 현광룡 (목포해양대학교 기관시스템공학부)
  • Kim, Seong-Jong (Division of Marine Engineering, Mokpo Maritime University Mokpo City) ;
  • Hyun, Koang-Yong (Division of Marine Engineering, Mokpo Maritime University Mokpo City)
  • 투고 : 2012.08.03
  • 심사 : 2012.08.29
  • 발행 : 2012.08.31
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초록

The cavity formed by the ultrasonic generation in the fluid with the application of water cavitation peening collides into the metal surface. At this time, the surface modification effect such as the work hardening presents by the compressive residual stress formed due to the localized plastic deformation. In this investigation, the water cavitation peening technology in the distilled water with the lapse of time was applied to 5052-O aluminum alloy for aluminum ship of a high value. So, the optimum water cavitation peening time on the effect for surface hardening and anti-corrosion property was investigated. Consequently, the water cavitatin peening time on excellent hardness and corrosion resistance characteristic presented 3.5 min. and 5.0 min, respectively. The surface hardness in the optimum water cavitation peening time was improved approximately 45% compared to the non-WCPed condition. In addition, corrosion current density was decreased.

키워드

참고문헌

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피인용 문헌

  1. Effects of shot peening stand-off distance on electrochemical properties for surface modification of ALBC3 alloy vol.12, pp.5, 2013, https://doi.org/10.14773/cst.2013.12.5.233
  2. Effect of cavitation for electrochemical characteristics in seawater for austenitic 304 stainless steel vol.37, pp.5, 2013, https://doi.org/10.5916/jkosme.2013.37.5.484
  3. Cavitation Damage Behavior for 431 Stainless Steel by Hybrid Test in Sea Water vol.46, pp.6, 2013, https://doi.org/10.5695/JKISE.2013.46.6.271
  4. Characteristics of surface damage with applied current density and cavitation time variables for 431 stainless steel in seawater vol.38, pp.7, 2014, https://doi.org/10.5916/jkosme.2014.38.7.883
  5. Effect of Solution Temperature for Al Alloy Anodizing on Cavitation Characteristics vol.14, pp.3, 2015, https://doi.org/10.14773/cst.2015.14.3.140
  6. Effect of cavitation on surface damage of 16.7Cr-10Ni-2Mo stainless steel in marine environment vol.14, pp.5, 2015, https://doi.org/10.14773/cst.2015.14.5.239
  7. Electrochemical Characteristics under Cavitation-Erosion Environment of STS 304 and Hot-Dip Aluminized STS 304 in Sea Water Solution vol.49, pp.1, 2016, https://doi.org/10.5695/JKISE.2016.49.1.26
  8. Cavitation-erosion Resistance of Stabilized Stainless Steel with Niobium Addition in Sea Water Environment vol.49, pp.3, 2016, https://doi.org/10.5695/JKISE.2016.49.3.274
  9. Al 6061-T6 합금의 해수 내 캐비테이션 진폭에 따른 캐비테이션-침식 조건하에서 전기화학적 특성 vol.19, pp.6, 2020, https://doi.org/10.14773/cst.2020.19.6.318