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SiO_2薄膜改善Ti6Al4V合金恒温氧化行为的研究
INFLUENCE OF SiO_2 FILM ON ISOTHERMAL OXIDATION BEHAVIOR OF Ti6Al4V ALLOYS
查看参考文献7篇
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文摘
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介绍了用溶胶-凝胶/表面活性剂模板/添加剂的方法制备的SiO_2薄膜对Ti6Al4V合金恒温氧化性能的影响.恒温氧化实验结果表明,制备的SiO_2薄膜具有良好的抗恒温氧化性能.涂覆薄膜的试样表面形成了较薄的混合氧化膜.机理分析认为,该混合氧化物膜的生长机制由向内扩散的氧元素和向外扩散的金属元素控制. |
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其他语种文摘
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SiO_2 thin films have been deposited on a Ti6Al4V based alloy by sol-gel processing using cetyl-trimethylammonium bromide surfactant as a template and glycol as an additive. Isothermal oxidation test results show that the oxidation rates of the silica coated specimens were decreased significantly. A thick rutile titania layer, separated from the substrate by a thin alumina layer, formed beneath the silica film. An alumina layer, which contained a minor amount of titania,formed above the silica film. It is deduced therefore that the growth of the multilayered and mixed oxide scales was dominated by both outward diffusion of metal and inward diffusion of oxygen. |
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来源
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腐蚀科学与防护技术
,2007,19(2):95-97 【核心库】
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关键词
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溶胶凝胶法
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SiO_2薄膜
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Ti6Al4V合金
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恒温氧化
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地址
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1.
东北大学,资源与土木工程学院, 金属腐蚀与防护国家重点实验室, 沈阳, 110004
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东北大学,资源与土木工程学院, 沈阳, 110004
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中国科学院金属研究所, 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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1002-6495 |
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学科
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金属学与金属工艺 |
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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:2723398
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参考文献 共
7
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