| 纳米Cr2O3粉体的制备及表征 |
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| 引用本文： | 李威,肖来荣,温燕宁,胡加瑞,蔡圳阳,殷傲宇.纳米Cr2O3粉体的制备及表征[J].材料导报,2011,25(1):123-126. |
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| 作者姓名： | 李威 肖来荣 温燕宁 胡加瑞 蔡圳阳 殷傲宇 |
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| 作者单位： | 李威,温燕宁,胡加瑞,蔡圳阳,殷傲宇,LI Wei,WEN Yanning,HU Jiarui,CAI Zhenyang,YIN Aoyu(中南大学材料科学与工程学院,长沙,410083);肖来荣,XIAO Lairong(中南大学材料科学与工程学院,长沙,410083;中南大学有色金属材料科学与工程教育部重点实验室,长沙,410083) |
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| 基金项目： | 材料科学与工程国家创新实验区项目 |
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| 摘 要： | 以Cr（NCh）3·9H20；氨水和乙醇为原料，采用沉淀法在不同温度下合成了纳米Cr2（h粉体，并运用场发射扫描电镜、X射线衍射、熟重一动态差热分析、红外光谱等手段对粉体进行表征。结果表明，Cr（OH）s雀450＂C已经生成Cr2O3，经过800℃烧30min．可获得平均粒径为70-100nm的Cr2O3粉体。
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| 关 键 词： | 纳米 Cr2O3粉体 沉淀法 表征 |
Progress in Research on High Temperature Oxidation Resistant Coatings of Titanium Alloys |
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| LI Wei,XIAO Lairong,WEN Yanning,HU Jiarui,CAI Zhenyang,YIN Aoyu.Progress in Research on High Temperature Oxidation Resistant Coatings of Titanium Alloys[J].Materials Review,2011,25(1):123-126. |
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| Authors: | LI Wei XIAO Lairong WEN Yanning HU Jiarui CAI Zhenyang YIN Aoyu |
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| Affiliation: | LI Wei1,XIAO Lairong1,2,WEN Yanning1,HU Jiarui1,CAI Zhenyang1,YIN Aoyu1(1 School of Materials Science and Engineering,Central South University,Changsha 410083,2 The Key Laboratory of Non-Ferrous Metals,Materials Science and Engineering of Ministry of Education,Changsha 410083) |
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| Abstract: | The use of titanium alloys as high temperature structural material in aerospace industry is restricted because of its poor oxidation resistance at high temperatures.The present status of research on high temperature oxidation resistant coatings of titanium alloys is reviewed.The advantages and disadvantages of different coatings are compared on the basis of preparation method and properties of the coating,existing problems are analyzed and possible solutions are suggested,and the trend development is pointe... |
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| Keywords: | titanium alloys high temperature oxidation resistant coatings properties |
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