| MSP试验法评价MoSi2系复合材料高温力学性能 |
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| 引用本文： | 江莞 熊智 王连军. MSP试验法评价MoSi2系复合材料高温力学性能[J]. 稀有金属材料与工程, 2007, 36(A02): 343-346 |
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| 作者姓名： | 江莞 熊智 王连军 |
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| 作者单位： | 中国科学院上海硅酸盐研究所,高性能陶瓷和超微结构国家重点实验室,上海200050 |
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| 基金项目： | 国家杰出青年基金资助（No.50625414） |
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| 摘 要： | 采用MSP（Modified Small Punch）试验法对MoSi2系复合材料的高温力学性能进行评价，不仅能方便地得到各组分复合材料高温强度随温度的变化，还能得到各组分复合材料的脆性延性转变温度，其结果和材料的微观结构相对应。对MoSi2系复合材料高温蠕变测试表明，MSP试验法得到的蠕变曲线和传统方法类似，而且随着氧化物添加相含量的增加，复合材料的高温蠕变性能下降。MSP试验法评价陶瓷材料的高温力学性能方便有效。
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| 关 键 词： | MSPt MoSi2 高温强度 高温蠕变 |
| 文章编号： | 1002-185X（2007）S2-343-04 |
| 修稿时间： | 2007-02-15 |
High-Temperature Mechanical Properties of MoSi2 Based Composites Evaluated by MSP Testing |
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| Jiang Wan, Xiong Zhi, Wang Lianjun. High-Temperature Mechanical Properties of MoSi2 Based Composites Evaluated by MSP Testing[J]. Rare Metal Materials and Engineering, 2007, 36(A02): 343-346 |
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| Authors: | Jiang Wan Xiong Zhi Wang Lianjun |
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| Affiliation: | State Key Lab of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China |
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| Abstract: | MSP testing has been used to evaluate high-temperature mechanical properties of MoSi2 based composites including high-temperature strength, brittle-to-ductile transition temperature and creep resistance. With increase of the content of additive oxide phase, high-temperature strength, brittle-to-ductile transition temperature and creep resistance show considerate decrease due to softening of the additive phase. MSP testing is a convenient and feasible method in the evaluation of high-temperature mechanical properties. |
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| Keywords: | MSP MoSi2 high-temperature strength creep |
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