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NiCrBSi is a material popularly used as a hard thermal sprayed coating. The coating performs well as a wear resistant coating under low stress. At higher stress in metal-to-metal sliding wear condition, however, the NiCrBSi starts to experience surface deformation, which will inevitably lead to seizure as the stress increases. In order to improve the tribological properties of the NiCrBSi plasma-sprayed...
Wear is one of the major causes of failure in many parts and components in gas-turbine engines. The fuel nozzle and its collar are two of the components that suffer rapid wear, in particular fretting wear at elevated temperature due to the vibration of the engine. The reported work was carried out to study the wear-resistant coatings for this application. Four types of coating, namely WC-17% Co, Cr...
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