Cavitation erosion-corrosion characteristics of HVOF sprayed Fe-Cr-Ni-C-Si coating for Cu alloy

Jung Hyung Lee, Jae Yong Jeong, Seok Ki Jang, Seong Kweon Kim, Young Soo Park, Min Young Sun, Seong Ro Lee, Seong Jong Kim

Research output: Contribution to journalArticlepeer-review

Abstract

Materials exposed to a marine environment are damaged in a number of ways, such as through cavitation, erosion, abrasion, corrosion, and a combination thereof. Organic coating or surface coating using a metallic material is a technique that is used to improve the durability of a product exposed to a marine environment. This study aims to improve the cavitation resistance by applying a high velocity oxygen fuel (HVOF) spray coating technique using Fe-Cr-Ni-C-Si powder to ALBC3 alloy, which is used under a marine environment. After the cavitation test was conducted, the cavitation rate of the coating layer was found to be great in the initial stage and then, it was constant. For the case of the Fe-Cr-Ni-C-Si coating layer, the solid solution, which was reacted with interstitial elements of C and Si, was evenly distributed and, thus, it shows an excellent cavitation resistance.

Original languageEnglish
Pages (from-to)2056-2060
Number of pages5
JournalScience of Advanced Materials
Volume6
Issue number9
DOIs
StatePublished - 2014

Keywords

  • ALBC3 alloy
  • Cavitation resistance
  • Fe-Cr-Ni-C-Si
  • HVOF coating technique
  • Marine environment

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