Thermal Properties of NiCrSiB Coating on Piston Engine

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This paper discussed on the application of NiCrSiB coating on 3-straight cylinder piston of Perodua Kancil 660cc using a high velocity oxygen fuel (HVOF) spraying technique. NiCrSiB coating was known as protective coating that was investigated for its thermal properties. The coating showed a good surface finish as well as the bonding interface. The applied NiCrSiB coating on the piston was tested up to the engine temperature during the operation compared to the uncoated piston. It was found that the uncoated piston had a higher heat transfer than the coated piston. Another test was conducted at several temperatures along the radial of the piston to its centre. The results indicated that the uncoated piston had a higher temperature compared to the coated piston.

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71-75

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June 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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