Ti_(0.7)Al_(0.3)N涂层的抗NaCl和水蒸气腐蚀行为
The corrosion resistance of Ti_(0.7)Al_(0.3)N coating under NaCl deposit in wet oxygen at 450 ℃
查看参考文献13篇
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文摘
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用电弧离子镀方法在1Cr11Ni2W2MoV不锈钢表面制备Ti_(0.7)Al_(0.3)N涂层,研究了涂层在450℃空气中恒温氧化行为和在固态NaCl和水蒸气综合作用下的腐蚀行为.结果表明:Ti_(0.7)Al_(0.3)N涂层在空气中均具有优良的抗氧化能力,而不锈钢在固态NaCl和水蒸气综合作用下的腐蚀严重,施加Ti_(0.7)Al_(0.3)N涂层显著地提高了不锈钢基体的抗腐蚀性能.1Cr11Ni2W2MoV不锈钢由于生成内层富Cr,外层富Fe的疏松氧化物,其在固态NaCl和水蒸气综合作用下发生严重的腐蚀,而Ti_(0.7)Al_(0.3)N涂层生成致密的Al_2O_3和TiO_2的混合物,使其具有良好的抗氧化和腐蚀性能 |
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其他语种文摘
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A Ti_(0.7)Al_(0.3)N coating was deposited on 1Cr11Ni2W2MoV stainless steel by arc ion plating. The oxidation behavior in air and corrosion resistance under NaCI deposit in wet air at 450 ℃ of the coating were investigated. The results show that the Ti_(0.7)Al_(0.3)N coatings exhibited excellent oxidation resistance in air at 450℃, severe corrosion happened to the stainless steel, while a great enhancement in corrosion resistance occurred to the substrate with Ti_(0.7)Al_(0.3)N coatings. The porous oxides with inner layer rich in Cr and outer layer rich in Fe formed on the 1Cr11Ni2W2MoV stainless steel, while dense oxides mixture of Al_2O_3 and TiO_2 appeared to the coatings after corrosion which greatly inhibited the inwards diffusion of O and HCI and enhanced the corrosion resistance. The mechanism of the effect of water vapor and NaCI on corrosion of Ti_(0.7)Al_(0.3)N coatings was proposed. |
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来源
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材料研究学报
,2007,21(2):145-150 【核心库】
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关键词
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材料失效与保护
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电弧离子镀
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Ti_(0.7)Al_(0.3)N涂层
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NaCl和水蒸气
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氧化
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腐蚀
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地址
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中国科学院, 金属腐蚀与防护国家重点实验室, 沈阳, 110016
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1005-3093 |
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学科
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一般工业技术 |
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基金
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国家863计划
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文献收藏号
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CSCD:2786819
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