Cavitation erosion mechanisms in stainless steels and in composite metal–ceramic HVOF coatings

Gabriel Taillon, Fabrice Pougoum, Sebastien Lavigne, Laurent Ton-That, Robert Schulz, Etienne Bousser, Sylvio Savoie, Ludvik Martinu, Jolanta Ewa Klemberg-Sapieha

研究成果: Article

28 引用 (Scopus)

抄録

Cavitation erosion is a leading cause of hydraulic machinery erosion: imploding cavitation bubbles cause impacts, pitting, and mass loss leading to the component׳s failure. Damage can be mitigated by the use of protective coatings tailored to resist pitting and crack nucleation, to greatly increase the part׳s lifetime. Coatings deposited with the High Velocity Oxy-Fuel (HVOF) process demonstrate low porosity, high hardness and high adhesion. In this work, the cavitation erosion behavior of martensitic and ferritic stainless steels and HVOF coatings prepared from pure Fe3Al powder and Fe3Al reinforced with nitride and boride phases was investigated using the G32 vibratory setup. The results are compared with coatings sprayed from commercial powders: WC–CoCr and Cr3C2–NiCr. HVOF coatings exhibit slightly lower erosion rates than martensitic stainless steels. The mechanical properties were evaluated using depth sensing indentation: higher hardness was associated with better cavitation erosion resistance for steels, but not for the coatings. The composite coatings’ wear mechanisms followed a matrix erosion pattern accompanied by ceramic grain removal.

元の言語English
ページ(範囲)201-210
ページ数10
ジャーナルWear
364-365
DOI
出版物ステータスPublished - 2016 10 15
外部発表Yes

Fingerprint

Cavitation corrosion
Stainless Steel
cavitation flow
erosion
stainless steels
Stainless steel
coatings
Coatings
composite materials
Composite materials
Pitting
martensitic stainless steels
Powders
Erosion
Boron Compounds
pitting
Hardness
Martensitic stainless steel
Hydraulic machinery
Borides

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

これを引用

Taillon, G., Pougoum, F., Lavigne, S., Ton-That, L., Schulz, R., Bousser, E., ... Klemberg-Sapieha, J. E. (2016). Cavitation erosion mechanisms in stainless steels and in composite metal–ceramic HVOF coatings. Wear, 364-365, 201-210. https://doi.org/10.1016/j.wear.2016.07.015

Cavitation erosion mechanisms in stainless steels and in composite metal–ceramic HVOF coatings. / Taillon, Gabriel; Pougoum, Fabrice; Lavigne, Sebastien; Ton-That, Laurent; Schulz, Robert; Bousser, Etienne; Savoie, Sylvio; Martinu, Ludvik; Klemberg-Sapieha, Jolanta Ewa.

:: Wear, 巻 364-365, 15.10.2016, p. 201-210.

研究成果: Article

Taillon, G, Pougoum, F, Lavigne, S, Ton-That, L, Schulz, R, Bousser, E, Savoie, S, Martinu, L & Klemberg-Sapieha, JE 2016, 'Cavitation erosion mechanisms in stainless steels and in composite metal–ceramic HVOF coatings', Wear, 巻. 364-365, pp. 201-210. https://doi.org/10.1016/j.wear.2016.07.015
Taillon, Gabriel ; Pougoum, Fabrice ; Lavigne, Sebastien ; Ton-That, Laurent ; Schulz, Robert ; Bousser, Etienne ; Savoie, Sylvio ; Martinu, Ludvik ; Klemberg-Sapieha, Jolanta Ewa. / Cavitation erosion mechanisms in stainless steels and in composite metal–ceramic HVOF coatings. :: Wear. 2016 ; 巻 364-365. pp. 201-210.
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