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Ahvāz, Iran

Azizpour M.J.,Islamic Azad University | Norouzi S.,University of Technology Malaysia | Majd H.M.,Production Technology Research Institute Branch | Talebi H.,SETESCO | Ghamari A.,SETESCO
World Academy of Science, Engineering and Technology | Year: 2010

In this paper, the application of thermal spray coatings in high speed shafts by a revolution up to 23000 RPM has been studied. Gas compressor shafts are worn in contact zone with journal therefore will be undersized. Wear mechanisms of compressor shaft were identified. The predominant wear mechanism is abrasion wear. The worn surface was coated by hard WC-Co cermets using high velocity oxy fuel (HVOF) after preparation. The shafts were in satisfactory service in 8000h period. The metallurgical and Tribological studies has been made on the worn and coated shaft using optical microscopy, scanning electron microscopy (SEM) and X-ray diffraction. Source


Jalali Azizpour M.,PTRI | Norouzi S.,Babol Noshirvani University of Technology | Sajedipour D.,PTRI | Mohammadi Majd H.,PTRI | And 3 more authors.
World Academy of Science, Engineering and Technology | Year: 2011

In this paper, the bond strength of thermal spray coatings in high speed shafts has been studied. The metallurgical and mechanical studies has been made on the coated samples and shaft using optical microscopy, scanning electron microscopy (SEM). Source

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