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Electroless Ni-Co-P Coating of Cenospheres Using Ag(NH_(3))_(2)^(+) Activator 被引量:3

Electroless Ni-Co-P Coating of Cenospheres Using Ag(NH_3)_2^+ Activator
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摘要 Electroless Ni-Co-P-coating of fly-ash cenosphere particles is demonstrated in the present investigation. The Electroless Ni-Co-P-coating process is modified by replacing the conventional sensitization and activation steps with only using activation step with Ag(NH3)2+ activator. The cenospheres are characterized by scanning electron microscope (SEM), energy dispersive spectroscopy (EDX), X-ray diffraction analysis (XRD) and X-ray photoelectron spectroscopy (XPS) during and after the coating process. Relatively uniform coating is obtained under the given coating conditions. The possible mechanism of electroless Ni-Co-P-coating of cenospheres utilizing Ag(NH3)2+ activator is suggested. The low density Ni-Co-P coated cenospheres may be utilized for manufacturing conducting polymers for EMI-shielding application and microwave absorbing materials. Electroless Ni-Co-P-coating of fly-ash cenosphere particles is demonstrated in the present investigation. The Electroless Ni-Co-P-coating process is modified by replacing the conventional sensitization and activation steps with only using activation step with Ag(NH3)2+ activator. The cenospheres are characterized by scanning electron microscope (SEM), energy dispersive spectroscopy (EDX), X-ray diffraction analysis (XRD) and X-ray photoelectron spectroscopy (XPS) during and after the coating process. Relatively uniform coating is obtained under the given coating conditions. The possible mechanism of electroless Ni-Co-P-coating of cenospheres utilizing Ag(NH3)2+ activator is suggested. The low density Ni-Co-P coated cenospheres may be utilized for manufacturing conducting polymers for EMI-shielding application and microwave absorbing materials.
出处 《材料热处理学报》 EI CAS CSCD 北大核心 2004年第05B期1115-1118,共4页 Transactions of Materials and Heat Treatment
基金 sponsored by Hunan Provincial Natural Science Foundation of China(04JJ3035) the Research Fund of the Educational Ministry of Hunan Province(03B002)
关键词 Ni-Co-P涂层 Ag(NH3)2^+活化剂 飞灰微粒 非电解镀层 Ni-Co-P coating, fly ash cenopsphere particles, Ag(NH3)2+ activator, electroless plating
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