| TiC颗粒增韧SiC基复合材料及其冷处理研究 |
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| 引用本文： | 穆柏春. TiC颗粒增韧SiC基复合材料及其冷处理研究[J]. 复合材料学报, 1997, 14(4): 38-41 |
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| 作者姓名： | 穆柏春 |
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| 作者单位： | 辽宁工学院材料工程系 |
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| 摘 要： | 研究了TiCP粒径与TiCP/SiC复合材料的抗弯强度和断裂韧性之间的关系,探讨了低温冷处理对复合材料性能的影响.结果表明:添加适宜粒径的TiC颗粒能够提高SiC材料的强度和韧性,但同时提高强度和韧性的粒径范围很窄.对复合材料进行低温冷处理,不仅可以进一步提高强度和韧性,而且可以改变增韧的粒径范围,使增韧和增强的粒径重合范围变宽.因此,形成一个较宽范围的强韧化区,为材料的强韧化设计和工艺的制定提供了依据.
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| 关 键 词： | TiC颗粒 SiC基复合材料 冷处理 |
| 收稿时间： | 1996-08-01 |
| 修稿时间： | 1996-10-09 |
STUDY ON TiC PARTICLE TOUGHENING SiC MATRIX COMPOSITE AND ITS COOL TREATMENT |
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| Mu Baichun. STUDY ON TiC PARTICLE TOUGHENING SiC MATRIX COMPOSITE AND ITS COOL TREATMENT[J]. Acta Materiae Compositae Sinica, 1997, 14(4): 38-41 |
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| Authors: | Mu Baichun |
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| Affiliation: | Department of Material Engineering, Liaoning Institute of Technology, Jinzhou 121001 |
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| Abstract: | The relationship between the flexural strength,fracture toughness and TiC particle sizein TiCP/SiC composite was investigated.The effects of cool treatmemt on the properties of TiCY/SiC composite were studied.The results obtained show that the addition of TiC particle can enhance the strength and toughness of the composite,but there is only a very narrow particle size range of enhancing strength and toughness simultaneously.Cool treatment not only increases further the toughness and strength but also changes the toughening extent of TiC particle size,making wider the overlapped particle size extent of strengthening and toughening.Thereby,a strengthening and toughening region is formed.It provides the basis for designing the strengthening and toughening of materials and for formulating the corresnonding technological process. |
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| Keywords: | TiC particle SiC matrix composite cool treatment |
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