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PULSE ELECTRODEPOSION OF Ni-TiN NANOCOMPOSITE COATING AND INVETIGATING IT’S CORROSION PROPERTIES
کد مقاله : 2334-IMES-CONGR
نویسندگان:
تینا شادلو *1، جنگیز دهقانیان2
1ملاصدرا-شیراز جنوبی- کوچه سرو- پلاک 25- واحد 6
2استاد گروه مهندسی خوردگی دانشکده مهندسی متالورِژی و مواد دانشگاه تهران
چکیده مقاله:
In this study, nanocomposite coating with nickel matrix and nano TiN powder was synthesized. These coatings have been produced by electroplating technique and pulse current was applied to compare different properties by altering it’s parameters. The surface morphology has been studied by SEM microscopy. Also XRD patterns and EDX curves were used to investigate the phases which existed in the coatings and to calculate the percentage of each in them. It was shown that by increasing the current density, the amount of the powder in the coating was increased. The corrosion resistance was decreased during elevating the current density. In addition, by lowering the duty cycle, the amount of powder was increased. According to the duty cycle data, it was concluded that the higher the amount of the nano phase in the coatings, the better will be the corrosion resistance of the coatings.
کلیدواژه ها:
nanocomposite coating, electroplating, pulse current, corrosion resistance
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