Abrasive Wear Behavior of Different Thermal （不同的热磨损行为）.pdfVIP

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Abrasive Wear Behavior of Different Thermal （不同的热磨损行为）.pdf

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Abrasive Wear Behavior of Different Thermal （不同的热磨损行为）

Advances in Materials Physics and Chemistry , 2012, 2, 68-70 doi:10.4236/ampc.2012.24B019 Published Online December 2012 (http://www.SciRP.org/journal/ampc) Abrasive Wear Behavior of Different Thermal Spray Coatings and Hard Chromium Electroplating * on A286 Super Alloy Macid Nurbaş, Elif Nazik Atabay Durul 1ESOGU, Chemical Eng. Dept. Eskisehir, Turkey 2Air Supply and Maintenance Center Command Eskisehir, Turkey Email: mnurbas@, eatabay@hvkk.tsk.tr Received 2012 ABSTRACT In cases of decorative and functional applications, chromium results in protection against wear and corrosion combined with chemi- cal resistance and good lubricity. However, pressure to identify alternatives or to improve conventional chromium electroplating mechanical characteristics has increased in recent years, related to the reduction in the fatigue strength of the base material and to environmental requirements (1). In the present study plasma sprayed coatings (aluminum oxide, Co-28Mo-8Cr-2Si, tungsten carbide, chrome carbide) and electrolytic hard chrome coatings abrasive wear properties have been compared. The wear tests were conducted with a Taber abraser, at room temperature. Keywords: Thermal Spray; Abrasive Wear; Electrodeposited Hard Chrome; Hardness; SEM 1. Introduction plasma spray were involved in the study. Their characteristics