| 陶瓷材料三点及四点弯曲断裂强度关系之讨论 |
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| 引用本文： | 罗健豪, 罗健文. 陶瓷材料三点及四点弯曲断裂强度关系之讨论[J]. 力学与实践, 2003, 25(6): . doi: 10.6052/1000-0992-2002-225 |
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| 作者姓名： | 罗健豪 罗健文 |
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| 作者单位： | 澳门大学科技学院机电工程系; 澳门大学科技学院机电工程系 fstkhl@umac.mo fstkhl@hotmail.com |
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| 摘 要： | 利用Katayama在一种Si断裂强度; 弯曲试验; 加载因子; Weibull模量fracture strength, bending test, load factor, Weibull modulus2002年6月25日2003-12-10 利用Katayama在一种Si断裂强度; 弯曲试验; 加载因子; Weibull模量fracture strength, bending test, load factor, Weibull modulus2002年6月25日2003-12-10利用Katayama在一种Si3N4陶瓷得到的实验数据，考察了一条关联陶瓷材料三点及四点弯曲断裂强度的式子，其准确度较好，简要地导出了一般教材上较少提及其推导的四点弯曲加载因子。
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| 关 键 词： | 断裂强度 弯曲试验 加载因子 Weibull模量 |
| 收稿时间： | 2002-06-25 |
| 修稿时间： | 2002-06-25 |
ON THE RELATIONSHIP BETWEEN 3-POINT AND 4-POINT BENDING TESTS OF CERAMICS |
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| ON THE RELATIONSHIP BETWEEN 3-POINT AND 4-POINT BENDING TESTS OF CERAMICS[J]. Mechanics in Engineering, 2003, 25(6): . doi: 10.6052/1000-0992-2002-225 |
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| Authors: | LO Kin Ho LO Kin Man |
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| Abstract: | This paper verifies an expression, which is rarely mentioned in textbooks, relating the results of 3-point and 4-point bending tests of ceramic materials on fracture strength with the experimental data obtained by Katayama. The expression is shown to be of satisfactory accuracy. The load factor for 4-point bending test, whose derivation is usually not included in textbooks, is also derived in this paper. |
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| Keywords: | fracture strength bending test load factor Weibull modulus |
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