Abstract
Nickel–Tungsten alloy electroplating done in a bath containing NiSo4 0.1 mL, Na2Wo4 0.5 mL and Na3Cit 0.4 mL at pH 8 under the 70°C with a rotating magnetic particle at 200 rpm and 0.25 A/cm2 direct flow density. The Tungsten with the coverage of 80%, on time 62.8 and 45.49% by weight for the plated sample with direct flow. The percent of Tungsten in coating is affected by flow rate, pH and time percentage. The anomalous sequestration system in direct flow coating became the induction sequestration system in the pulsed plating process. The morphology of the probe was filamentous in a pulsed flow and in a straight flow. The wear resistance behavior of the specimens in the weight loss test differed in relation to the amount of shot length under load on the specimen for the specimen, tested in the two flow types.
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