| 一种新的MoSi2基复合材料显微结构及其对力学性能的影响 |
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| 引用本文： | 李建林,江东亮,谭寿洪.一种新的MoSi2基复合材料显微结构及其对力学性能的影响[J].无机材料学报,2000,15(1):73-78. |
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| 作者姓名： | 李建林 江东亮 谭寿洪 |
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| 作者单位： | [1]中国科学院上海硅酸盐研究所高性能陶及超微结构国家重点实 [2]中国科学院上海硅酸盐研究所高性能陶及超微结构国 |
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| 摘 要： | 本文研究了原位生成的ＴｉＣ／ＴｉＢ２／ＭｏＳｉ２三相复合材料的一种新的显微结构及其对力学性能的影响，结果表明，当热压金属Ｔｉ，Ｂ４Ｃ和ＭｏＳｉ２的混合粉末时，在ＭｏＳｉ２的基体内生成由ＴｉＣ和ＴｉＢ２组成的空心粒子。
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| 关 键 词： | 显微结构 力学性能 二硅化钼 复合材料 |
| 收稿时间： | 1999-2-3 |
| 修稿时间： | : |
A Novel Microstructure and Its Effects on Mechanical Properties of TiC/TiB2/MoSi_2 Composites |
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| LI Jian-Lin,JIANG Dong-Liang,TAN Shou-Hong.A Novel Microstructure and Its Effects on Mechanical Properties of TiC/TiB2/MoSi_2 Composites[J].Journal of Inorganic Materials,2000,15(1):73-78. |
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| Authors: | LI Jian-Lin JIANG Dong-Liang TAN Shou-Hong |
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| Affiliation: | StateKeyLabofHighPerformanceCeramicsandSuperfineMicrostructure;ShanghaiinstituteofCeramics;ChineseAcademyofSciences;Shanghai200050;China |
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| Abstract: | A novel microstructure of TiC /TiB2 / MoSi2 composite and its effect on mechanicalproperties were studied. The results indicate that hollow particles, consisting of TiC and TiB2 nanosized grains, can be formed in MoSi2 matrix when the mixed powder of elemental Ti, B4C and MoSi2 was reactively hot pressed. The bending strength of these composites with the newmicrostructure reaches at 480 MPa, and the highest fracture toughness is 5.2 Mpa·ml/2. |
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| Keywords: | microstructure mechanical properties molybdenum disiliside |
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