A Study on Plastic Deformations due to Contact Fatigue Wear on a Cermet Coating Deposited by Thermal Spraying Methods

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This study presents the contact fatigue wear behavior of the cermet NiAlSi coating deposited by plasma spraying on alloyed steel. Wear is the failure cause for many component parts of the 4-stroke engine. For example the cylinders are subjected to wear caused by the sliding of the surfaces in EHD lubrication working conditions. Using the AMSLER test machine the rolls have been put to fatigue wear test for 5 hours in conditions of mixed friction. In order to make the results evident one carried out microscopic electronic scavenging analyses using the electronic microscope type QUANTA 200 3D DUAL BEAM.

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34-39

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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