| Al_2O_3／SiC_w陶瓷刀具材料中晶须最佳含量及其对刀具抗破损性能的影响 |
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| 引用本文： | 邓建新,艾兴,姜积中.Al_2O_3／SiC_w陶瓷刀具材料中晶须最佳含量及其对刀具抗破损性能的影响[J].山东大学学报(工学版),1995(3). |
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| 作者姓名： | 邓建新 艾兴 姜积中 |
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| 作者单位： | 山东工业大学机械工程学院 |
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| 摘 要： | 对Ａｌ_２Ｏ_３／ＳｉＣ_ｗ陶瓷刀具材料中晶须配比进行了理论分析，提出了获取最佳晶须配比的原则，导出了晶须含量与界面最大剪应力和基体最大正应力的关系，分析了晶须含量对刀具抗破损特性的影响．结果表明：晶须的含量最大不能超过４３％，舍量为２０～３０％时增强补韧效果最强；随晶须含量的增加，该刀具材料的抗破损能力显著增强．
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| 关 键 词： | 晶须 陶瓷刀具 晶须增强复合材料 破损 |
THE OPTIMUM SiC_w CONTENT OF Al_2O_3/SiC_w CERAMICTOOL AND ITS EFFECT ON TOOL FRACTURE RESISTANCE BEHAVIOR |
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| Deng Jianxin,Ai Xing ,Jiang Jizhong.THE OPTIMUM SiC_w CONTENT OF Al_2O_3/SiC_w CERAMICTOOL AND ITS EFFECT ON TOOL FRACTURE RESISTANCE BEHAVIOR[J].Journal of Shandong University of Technology,1995(3). |
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| Authors: | Deng Jianxin Ai Xing Jiang Jizhong |
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| Abstract: | The optimum SiC_w content of Al_2O_3/SiC_w ceramic tool has been analyzedtheoretically. Advances the principle of obtaining SiC_w optimum proportioning, derives the relationship between SiC_w content and the maximum shear stress in boundary and the maximumtensile stress in matrix, analyzes the effects of SiC_w content on the tool fracture resistance, theresults indicate that the critical SiC_w content is 43%. When containing 20%-30% SiC_w thebest strengthening and toughening effect can be obtained. The tool fracture resistance was remarkably improved when the SiC_w content was increased. |
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| Keywords: | Whiskers Ceramic cutting tools Whisker reinforced composites Failure |
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