Abstract
Surface quality of an upper hook, an important fishing net-weaving machine component manufactured from stainless steel, was improved by systematically investigating the effects of sputtering coating factors using experimental design. Three factors of MoN coating on upper hooks including DC current, operating pressure, and Ar/N2 ratio were studied and optimized for maximum elastic modulus. It was found that the three coating factors affected the elastic modulus of the MoN coating on upper hooks. In addition, the optimal operating condition for MoN coating that produced a maximum elastic modulus was obtained at DC current of 0.35 A, operating pressure of 0.01 mbar, and Ar/N2 ratio of 1.5.
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