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Study on Mechanical Properties of Thick Electroplated Nickel Films
Pages: 123-125+129
Year: Issue:  4
Journal: Hot Working Technology

Keyword:  electroplatingnickel chloridegrain sizegrain orientationmechanical property;
Abstract: The effects of nickel chloride concentration on surface morphology, grain orientation and size of the Ni thick films electroplated from a nickel sulfamate bath were studied. Then the tensile strength and hardness of the normative deposits were tested. The results show that the grains of the Ni platings present obviously preferential orientation along the(200) family plane. The film with the smallest grains size of 29.6 nmin(200) family plane can be obtained from the 0.06 mol/L nickel chloride solution. The tensile strength, yield strength and hardness of the coating are all the highest, which are 849 MPa, 298 MPa and 2.177GPa, respectively.
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