| Cu-Zr合金基体中TiB2的原位反应合成 |
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| 引用本文： | 闵光辉,王常春,于普涟,张书玉.Cu-Zr合金基体中TiB2的原位反应合成[J].复合材料学报,2002,19(5):66-70. |
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| 作者姓名： | 闵光辉 王常春 于普涟 张书玉 |
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| 作者单位： | 山东大学,材料科学与工程学院,济南,250061 |
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| 基金项目： | 山东省国际科技合作基金(970008),山东省优秀中青年科学家奖励基金(2000年度) |
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| 摘 要： | 本文作者利用原位反应合成法制备了TiB2/Cu-Zr复合材料,并对其显微结构进行了观察。分析了合成TiB2的反应过程。结果表明:TiB2在Cu-Zr基体中以两种形态存在,分布均匀,尺寸为0.5 μm~10 μm;在建立TiB2反应合成机制模型的基础上,简单描述了不同形态TiB2的生长机制。
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| 关 键 词： | Cu-Zr复合材料 显微组织 反应动力学 |
| 文章编号： | 1000-3851(2002)05-0066-05 |
| 收稿时间： | 2001-03-06 |
| 修稿时间： | 2001年3月6日 |
IN-SITU REACTION SYNTHESIS OF TiB2 IN Cu-Zr ALLOYS |
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| MIN Guang-hui,WANG Chang-chun,YU Pu-lian,ZHANG Shu-yu.IN-SITU REACTION SYNTHESIS OF TiB2 IN Cu-Zr ALLOYS[J].Acta Materiae Compositae Sinica,2002,19(5):66-70. |
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| Authors: | MIN Guang-hui WANG Chang-chun YU Pu-lian ZHANG Shu-yu |
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| Affiliation: | Materials Science &|Engineering Institute, Shandong University, Jinan 250061, China |
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| Abstract: | A TiB2/Cu-Zr composite was fabricated by an in-situ reaction synthesis method, and the microstructure was studied. The results showed that TiB2 particles exist in two patterns and its distribution is homogeneous with its size of 0.5 μm~10 μm. A reaction model of TiB2 in molten metal is established combined with the thermodynamics of TiB2 particles in solid and liquid matrix. Finally, the growth mechanism of two kinds of TiB2 particles is proposed. |
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| Keywords: | Cu Zr composite microstructure reaction dynamics |
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