TiC/NiCrMoAlTi金属陶瓷的微观结构与力学性能
Microstructures and mechanical properties of TiC/NiCrMoAlTi cermets
查看参考文献18篇
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文摘
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采用粉末冶金真空烧结方法制备了TiC/NiCrMoAlTi金属陶瓷.研究了Mo含量对TiC/NiCrAlTi金属陶瓷的微观结构与力学性能的影响.结果表明,在TiC/NiCrAlTi金属陶瓷中添加Mo后,在金属陶瓷的硬质相颗粒周围出现了典型的环形相,随着Mo含量的增加,环形相增多变厚,致使金属陶瓷的硬度线性增加,环形相的生成使金属陶瓷硬质相的颗粒细化、尖角钝化,从而提高了金属陶瓷的抗弯强度,当环形相过度发达时由于其本身较脆,金属陶瓷的抗弯强度降低,Mo含量为4%(质量分数)时抗弯强度达到最大值. |
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其他语种文摘
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TiC/NiCrMoAITi cermets were vacuum sintered by powder metallurgy technology. The effects of Mo additions on microstructures and mechanical properties of TiC/NiCrAITi cermets were investigated. Results show that the formation of surrounding phase around TiC particles refined the hard phase particles and blunted the sharp angles of TiC particles; With increasing Mo additions, both the amount and size of surrounding phase increased, thus the hardness increased linearly however the bonding strength increased to the maximum values at 4% Mo content and then decreased due to the brittle thick surrounding phase. |
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来源
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材料研究学报
,2005,19(4):354-360 【核心库】
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关键词
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复合材料
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TiC/NiCrMoAlTi金属陶瓷
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微观结构
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力学性能
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地址
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1.
中国科学院金属研究所, 辽宁
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沈阳市工程质量监督站, 辽宁
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1005-3093 |
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学科
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一般工业技术 |
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文献收藏号
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CSCD:2027148
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