| 柔度法标定木材断裂韧性的研究 |
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| 引用本文： | 邵卓平,任海青,江泽慧.柔度法标定木材断裂韧性的研究[J].林业科学,2001,37(2):112-116. |
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| 作者姓名： | 邵卓平 任海青 江泽慧 |
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| 作者单位： | 1. 安徽农业大学
2. 中国林业科学研究院木材工业研究所 |
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| 摘 要： | 本文应用柔度法测量了杉木的断裂韧性，研究表明：（１）柔度法是一种有效可行的实验标定方法，选用指数函数Ｃ=aexp(βa/w)能够很好地表达柔度与裂纹长度间的关系，（２）本文实验测定的杉木断裂韧性ＫIC=4.825MPa.mm^1/2.
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| 关 键 词： | 木材断裂力学 断裂韧性 实验标定 柔度法 指数函数 杉木 能量释放率 |
| 修稿时间： | 1999年9月7日 |
STUDY ON THE COMPLIANCE METHOD FOR DETERMINE WOOD FRACTURE TOUGHNESS |
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| Shao Zhuoping,REN Haiqing,Jiang Zehui.STUDY ON THE COMPLIANCE METHOD FOR DETERMINE WOOD FRACTURE TOUGHNESS[J].Scientia Silvae Sinicae,2001,37(2):112-116. |
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| Authors: | Shao Zhuoping REN Haiqing Jiang Zehui |
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| Abstract: | In this paper, the compliance method was applied to determine fracture toughness of C. lanceolata. The results showed that: 1. the compliance method is an available and feasible experimental plotting method, the relationship between compliance and crack length may be expressed by exponent function( C = a exp( β3a/w ))very well; 2. in this testing, the fracture toughness KTLIC of C. lanceolata is equal to 4. 825 MPa· mm1/2. |
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| Keywords: | Wood fracture mechanics Fracture toughness Testing plot Compliance method |
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