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Barchfeld, Germany

Lyphout C.,University College West | Bjorklund S.,University College West | Karlsson M.,Oerlikon Metco WOKA GmbH | Runte M.,Oerlikon Metco WOKA GmbH | And 2 more authors.
Journal of Thermal Spray Technology

Replacement of electrolytic hard chromium method by thermal spray technology has shown a growing interest in the past decades, mainly pioneered by depositing WC-based material by conventional HVOF processes. Lower thermal energy and higher kinetic energy of sprayed particles achieved by newly developed Supersonic Air Fuel system, so-called HVAF-M3, significantly reduces decarburization, and increases wear and corrosion resistance properties, making HVAF-sprayed coatings attractive both economically and environmentally. In the present work, full factorial designs of experiments have been extensively utilized to establish relationships between hardware configurations, process and engineering variables, and coatings properties. The relevance of those process factors is emphasized and their significance is discussed in the optimization of coatings for improved abrasion wear and corrosion performances. © 2014, ASM International. Source

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