| 脆性材料弯曲强度尺寸效应及抗拉强度 |
| |
| 引用本文： | 包亦望,金宗哲,黎晓瑞. 脆性材料弯曲强度尺寸效应及抗拉强度[J]. 武汉理工大学学报, 1990, 0(3) |
| |
| 作者姓名： | 包亦望 金宗哲 黎晓瑞 |
| |
| 作者单位： | 中国建材科学研究院，中国建材科学研究院，中国建材科学研究院 |
| |
| 摘 要： | 本文对脆性材料受拉破坏机理进行了研究分析,提出“均强度”假说并通过实验验证,建立了不同尺寸试件的变曲强度的关系以及弯曲与拉伸强度之关系,并推导了脆性材料破坏发生区的解析表达式,有效地解释了弯曲强度的尺寸效应问题。本研究对脆性材料和陶瓷材料的力学性能的研究和评价有指导意义。
|
| 关 键 词： | 尺寸效应 弯曲强度 均强度准则 破坏发生区 特征抗拉强度 |
Size Effect of Bending Strength for Brittle Materials and Tensile-Bending Strength Relation |
| |
| Bao Yiwang Jin Zongzhe Li Xiaorui. Size Effect of Bending Strength for Brittle Materials and Tensile-Bending Strength Relation[J]. Journal of Wuhan University of Technology, 1990, 0(3) |
| |
| Authors: | Bao Yiwang Jin Zongzhe Li Xiaorui |
| |
| Affiliation: | Bao Yiwang Jin Zongzhe Li Xiaorui |
| |
| Abstract: | In this paper the destructive mechanism of brittle materials was investigated,the mean strengthcriterion was presented and proved by expriments.Author discussed the bending strength and tensilestrength.Derived the analytical expression of ruptruc origin zone of brittle materials,it is effective toexplain the size effect of bending strength.Present studies will be very meaningful for researching andevaluating mechanical properties of brittle materials or ceramics. |
| |
| Keywords: | Size effect Bending strength Mean strength criterion Rupture origin zone Characteristic tensile strength |
| 本文献已被 CNKI 等数据库收录！ |
