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Electroless Ni-Cu-P plating onto open cell stainless steel foam

机译：在开孔不锈钢泡沫上化学镀Ni-Cu-P

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摘要

Metallic foams with a high fraction of porosity, low density and high energy absorption capacity, are a rapidly emerging class of novel ultralightweight materials for various engineering applications. Development of these materials with Ni-Cu-P coatings is expected to widespread their industrial utilizations. This article aims to apply Ni-Cu-P coatings onto open cell stainless steel foams from Ni-P bath containing CuSO_4-5H_2O as a source of Cu ions. Scanning electron microscopy and energy dispersive analysis were used to investigate the microstructure and chemical composition of the deposited coatings, respectively. The influence of CuSO_4 5H_2O addition on the deposition rate, chemical composition and surface morphology of coatings was studied. The corrosion performance of coated foam was examined in 1 M HCl using weight loss technique. The results revealed that wt.% of Cu in deposit increases with CuSO_4·5H_2O concentration, while wt.% of Ni and P is reduced. Better corrosion resistance, finer-grained deposit and lower deposition rate were observed by increasing Cu content into Ni-P matrix.
机译：具有高孔隙率，低密度和高能量吸收能力的金属泡沫，是新兴的用于各种工程应用的新型超轻材料。预计使用Ni-Cu-P涂层开发这些材料将广泛地用于其工业用途。本文旨在将Ni-Cu-P涂层应用于包含CuSO_4-5H_2O作为Cu离子源的Ni-P浴的开孔不锈钢泡沫上。扫描电子显微镜和能量色散分析分别用于研究沉积涂层的微观结构和化学组成。研究了CuSO_4 5H_2O添加量对涂层沉积速率，化学成分和表面形貌的影响。使用失重技术在1 M HCl中检查了涂层泡沫的腐蚀性能。结果表明，随着CuSO_4·5H_2O浓度的增加，沉积物中Cu的重量百分比增加，而Ni和P的重量百分比减少。通过增加Ni-P基体中的Cu含量，可以观察到更好的耐腐蚀性，更细的颗粒沉积和更低的沉积速率。

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  • 来源
    《Applied Surface Science》 |2009年第14期|6652-6655|共4页
  • 作者

    A. Abdel Aal; M. Shehata Aly;

  • 作者单位

    Ecole Nationale Superieure de Chimie de Paris, Lab de Physico-Chimie de Surfaces UMR-CNRS 7045, 11, rue Pierre et Marie Curie, 75005 Paris, France Central Metallurgical Research & Development Institute (CMRDI), P.O. 87, Helwan, Cairo, Egypt;

    Center of Excellence for Research in Engineering Materials, Faculty of Engineering, King Saud University, P.O. Box 800, Riadh 11421, Saudi Arabia;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    electroless plating; corrosion; coatings; stainless steel; foams;

    机译：化学镀腐蚀;涂料;不锈钢;泡沫;

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