Significant friction reduction of high-intensity pulsed ion beam irradiated WC-Ni against graphite under water lubrication

Significant friction reduction of high-intensity pulsed ion beam irradiated WC-Ni against graphite under water lubrication

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Abstract Two types of commercial WC-Ni samples were irradiated with the High-intensity pulsed Display Cabinet ion beam (HIPIB).Both the surface characteristics and tribo-characteristics of the non-irradiated and irradiated WC-Ni samples, sliding against graphite under water lubrication, were compared.Quite low steady friction coefficients (approximately of 0.

02) of the irradiated WC-Ni were observed.The surface topographies and components Electric Massagers were investigated.The quite low friction of the irradiated WC-Ni samples was ascribed to the higher fluid retention capability of the latter and the tribofilm formed during sliding.