| LY12铝合金微等离子体氧化陶瓷膜的相分布及显微硬度分析 |
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| 引用本文： | 薛文斌,来永春.LY12铝合金微等离子体氧化陶瓷膜的相分布及显微硬度分析[J].材料科学与工艺,1999,7(2):18-21. |
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| 作者姓名： | 薛文斌 来永春 |
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| 作者单位： | 北京师范大学低能核物理研究所 |
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| 基金项目： | 国家“863”高科技计划!863－715－011－020，国家自然科学基金青年基金!59801003 |
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| 摘 要： | 使用Ｘ射线衍射仪和显微硬度度计测定了ＬＹ１２铝合金微等离子体氧化陶瓷膜沿深度方向的相分布及显微硬度变化曲线。
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| 关 键 词： | 微等离子体氧化 相分布 硬度 铝合金 陶瓷膜 |
Phase Distribution and Microhardness Analysis of Ceramic Coatings Formed by Microplasma Oxidation on Aluminum Alloys |
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| Xue Wenbin Lai Yongchun Deng Zhiwei Chen Ruyi.Phase Distribution and Microhardness Analysis of Ceramic Coatings Formed by Microplasma Oxidation on Aluminum Alloys[J].Materials Science and Technology,1999,7(2):18-21. |
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| Authors: | Xue Wenbin Lai Yongchun Deng Zhiwei Chen Ruyi |
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| Abstract: | The phase and microhardness distributions in ceramic coating formed by microplasma oxidation on LY12 aluminum alloy were investigated using X - ray diffractometer and microhardness tester. The results show that the ceramic coating contains mainly a - Al_2 O_3, y - A1_2 O_3 phases, and the a - A1_2 O_3 content gradually increases from outer layer to inner layer of coating. The change of microhardness in different depth of coatings is consistent to the change of a - A1_2O_3 content. The microhardness in compact layer is over 1500HV, and its maximum value can reach 2300HV. |
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| Keywords: | microplasma oxidation microarc oxidation phase distribution microhardness aluminum alloys |
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