| Al对反应火焰喷涂Al2O3基复相涂层性能的影响 |
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| 引用本文： | 刘宏伟,张龙,王建江,杜心康.Al对反应火焰喷涂Al2O3基复相涂层性能的影响[J].稀有金属材料与工程,2007,36(A02):564-567. |
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| 作者姓名： | 刘宏伟 张龙 王建江 杜心康 |
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| 作者单位： | 军械工程学院先进材料研究所,河北石家庄050003 |
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| 基金项目： | 国家自然科学基金项目（50272084）资助 |
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| 摘 要： | 以Al-CuO为主反应体系，利用反应火焰喷涂技术制备了Al2O3基复相涂层。测试了不同Al含量团聚粉喷涂所得涂层与基体的结合强度、显微硬度、孔隙率及耐磨损性能，分析了Al含量对反应火焰喷涂Al2O3基复相涂层性能的影响规律。研究发现，当团聚粉中Al过量6％（质量分数）时，涂层与基体结合强度为24．6MPa，显微硬度5149MPa孔隙率为10．5％，磨损量14．9mg／h，均较Al不过量时明显提高，具有良好的综合性能。
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| 关 键 词： | 反应火焰喷涂 Al含量 Al2O3基复相涂层 性能 |
| 文章编号： | 1002-185X（2007）S2-564-04 |
| 修稿时间： | 2007-02-28 |
Effect of the Content of Al on the Properties of Reactive Flame Sprayed Al2O3-Based Multiphase Coatings |
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| Liu Hongwei, Zhang Long, Wang Jianjiang, Du Xinkang.Effect of the Content of Al on the Properties of Reactive Flame Sprayed Al2O3-Based Multiphase Coatings[J].Rare Metal Materials and Engineering,2007,36(A02):564-567. |
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| Authors: | Liu Hongwei Zhang Long Wang Jianjiang Du Xinkang |
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| Affiliation: | Institute of Advanced Materials, Ordnance Engineering College, Shijiazhuang 050003, China |
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| Abstract: | Al2O3-bsaed multiphase coatings were prepared by reactive flame spray technology with Al-CuO as main reactive system. The adhesive strength, micro-hardness, porosity and wear resistance of the coatings sprayed with the agglomerated particles containing different contents of Al were tested. It was found that when the agglomerated particles contain 6% excess Al, the adhesive strength of the coatings to substrate is 24.6 MPa, the micro-hardness is 5149 MPa, the porosity is 10.5% and the wear weight loss is 14.9 mg/h. All the properties are better than that of the coatings sprayed with agglomerated particles without excess Al. |
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| Keywords: | reactive flame spray content orAl Al2O3-based multiphase coatings properties |
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