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Study on the Initial Electro-Deposition Behavior of Ni-P Alloy |
Xiujuan Qin;Guangjie Shao |
燕山大学环境与化学工程系 |
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Abstract In this paper, study on the initial electro-deposition behavior of Ni-P alloy on the surface of 45 steel shows that it is influenced by the microstructure of matrix material. As the pearlite in it contains cementite phase and has high crystal boundary density, the nucleation and growth of deposits prefer to occur at the pearlite at the beginning during deposition on the surface of annealed 45 steel. The coating exists in form of nano-polycrystal layers composed by gathering of nano-sized crystals. With plating time going on, the nano-polycrystal gathering grows in two dimensions, and the new nano-polycrystal layer appears simultaneously on the formerly formed nano-polycrystal surface.
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Received: 25 February 2003
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Corresponding Authors:
Guangjie Shao
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