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In the present work, Ni/Al 2 O 3 metal matrix composite (MMC) coatings were prepared from a modified Watt's type electrolyte containing nano-α-Al 2 O 3 particles by direct current (DC) plating method to increase the surface hardness and wear resistance of the electrodeposited Ni. For these purposes, particle concentration in electrolyte, the effect of surfactant concentration,...
Lubricants are used to control friction and minimize wear in a variety of tribological applications. When lubricants are used at the contact interface of two sliding surfaces the material loss due to wear and the energy consumption due to friction are reduced by several orders of magnitude. In railroad applications, lubricants are routinely applied to the side of the rails to reduce friction and wear...
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