| 基于残余应力增韧机制的陶瓷材料增强相的极限含量模型及应用 |
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| 引用本文： | 许崇海,丁文亮,黄传真,邓建新,艾兴. 基于残余应力增韧机制的陶瓷材料增强相的极限含量模型及应用[J]. 应用科学学报, 2001, 19(1): 73-76 |
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| 作者姓名： | 许崇海 丁文亮 黄传真 邓建新 艾兴 |
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| 作者单位： | 1. 山东轻工业学院机电工程系, 山东济南 250100;2. 东营市河口区城建委, 山东东营 257000;3. 山东工业大学机械工程学院, 山东济南 250061 |
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| 摘 要： | 基于残余应力增韧机制,建立了当TP>Tm时陶瓷材料增强相的极限含量模型,并结合SiC/TiB2颗粒复合陶瓷材料进行了验证与应用.以此为基础,建立了考虑基体颗粒尺寸与粒径配比时的增强相极限体积含量的模型.这些模型的建立对于陶瓷材料的组分设计和微观结构设计均具有重要的实际应用价值.
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| 关 键 词： | 陶瓷材料 残余应力 模型 增韧机制 极限含量 |
| 文章编号： | 0255-8297(2001)01-0073-04 |
| 收稿时间： | 1999-10-30 |
| 修稿时间： | 2000-02-28 |
Models for the CriticalVolume Content of the Reinforcement Phase in Ceramic Materials Based on the TougheningMechanism of Residual Thermal Stress and Their Applications |
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| XU Chong hai ,DING Wen liang ,HUANG Chuan zhen ,DENG Jian xin ,AI Xing. Models for the CriticalVolume Content of the Reinforcement Phase in Ceramic Materials Based on the TougheningMechanism of Residual Thermal Stress and Their Applications[J]. Journal of Applied Sciences, 2001, 19(1): 73-76 |
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| Authors: | XU Chong hai DING Wen liang HUANG Chuan zhen DENG Jian xin AI Xing |
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| Affiliation: | 1. Department of Mechanical and Electronic Engineering, Shandong Institute of Light Industry, Jinan 250100, China;2. Committee of the City Construction of Hekou District, Dongying 257000, China;3. School of Mechanical Engineering, Shandong University of Technology, Jinan 250061, China |
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| Abstract: | Based on the toughening mechanism of residual thermal stresses, amodel is built for the calculation of the critical volume content of the reinforcement phase in ceramic materials when αP＞αm. The model has been proved valid through its applications in SiC/TiB2 ceramic material. Next, two models are established for the determination of the critical volume content of the reinforcement phase when the particle size of the matrix and the ratio of the particle size of the reinforcement phase and the matrix are considered. Models built here will find a practically application in the composition designing and the microstructural designing of ceramic materials. |
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| Keywords: | ceramic material residual thermal stress toughening mechanism critical volume content model |
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