Investigation of the Wear and Hardness Behavior of ST 37 Steel Coated by the Powder Flame Spraying Method

Nurullah Kıratlı

Abstract


In this study, ST 37 steel was coated with powders of Kobatek 5155, RotoTec®10185 and RotoTec®12486 by using powder flame spraying method. The hardness and wear behavior of coated specimens were investigated.  The wear tests were performed on a pin-on-disc test apparatus. A SiC, 800 sandpaper was used as an abrasive material. The wear tests of coated materials were carried out at room temperature and at the speed of 300 rev/min with 10N loads. Optical microscope investigations were performed to characterize coated specimens. As a result, it was found that each coating powder has the unique effect of improving wear resistance. 


Keywords


Powder flame spraying; coating; wear.

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References


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