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Magnesium hydroxide/magnesium phosphate compounds composite coating for corrosion protection of magnesium alloy by a combination process of chemical conversion and steam curing

机译:通过化学转化和蒸汽固化相结合的方法对镁合金进行腐蚀防护的氢氧化镁/磷酸镁化合物复合涂层

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摘要

Anticorrosive composite films composed of amorphous or crystalline magnesium phosphate compounds and crystalline magnesium hydroxide were successfully prepared on magnesium alloy by a combination process of chemical conversion and steam-curing for the first time. The films had film thicknesses of ca. 30 μm and were composed of outer and inner layers. The corrosion resistances of the films coated magnesium alloy were investigated by electrochemical and gravimetric measurements. The films showed a much higher corrosive resistance than the uncoated one in corrosion tests.
机译:首次通过化学转化和蒸汽固化相结合的方法成功地在镁合金上制备了由非晶态或晶态磷酸镁化合物和晶态氢氧化镁组成的防腐复合膜。所述膜的膜厚度为约1μm。 30μm,由外层和内层组成。通过电化学和重量分析研究了涂膜镁合金的耐腐蚀性。在腐蚀试验中,该膜显示出比未涂覆的膜更高的耐腐蚀性。

著录项

  • 来源
    《Materials Letters》 |2012年第2012期|p.122-125|共4页
  • 作者单位

    National Institute of Advanced Industrial Science and Technology (AIST), Materials Research Institute for Sustainable Development, 2266-98 Anagahora, Shimo-Shidami, Moriyama-ku,Nagoya 463-8560, Japan;

    A&A Material Corporation, Technical Development Laboratory, 263-1 Uchiyodo, Chikusei 300-4507, Japan;

    A&A Material Corporation, Technical Development Laboratory, 263-1 Uchiyodo, Chikusei 300-4507, Japan;

    Department of Environmental Science and Technology, Faculty of Engineering, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan;

    National Institute of Advanced Industrial Science and Technology (AIST), Materials Research Institute for Sustainable Development, 2266-98 Anagahora, Shimo-Shidami, Moriyama-ku,Nagoya 463-8560, Japan;

    National Institute of Advanced Industrial Science and Technology (AIST), Materials Research Institute for Sustainable Development, 2266-98 Anagahora, Shimo-Shidami, Moriyama-ku,Nagoya 463-8560, Japan;

    National Institute of Advanced Industrial Science and Technology (AIST), Materials Research Institute for Sustainable Development, 2266-98 Anagahora, Shimo-Shidami, Moriyama-ku,Nagoya 463-8560, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    magnesium alloy; coating; steam curing; chemical conversion; corrosion resistance;

    机译:镁合金涂层;蒸汽固化化学转化耐腐蚀性能;

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