| 高精度应变式引伸计的研究 |
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| 引用本文： | 施纪泽 金保森. 高精度应变式引伸计的研究[J]. 实验力学, 1994, 9(1): 56-62 |
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| 作者姓名： | 施纪泽 金保森 |
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| 作者单位： | 西北工业大学 |
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| 摘 要： | 大量程引伸计的弹性元件处于大变形工伯状态，引伸计的非线性矛盾较突出。实验研究表明，某些结构的弹性元件，其线性度与结构的组合尺寸有关，存在着最佳线性条件，根据最佳条件和对夹持机构的考虑，设计了两种新型高精度引伸计。
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| 关 键 词： | 延伸计 弹性元件 材料力学 |
Highly Accurate Strain Gauge Extensometer |
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| Shi Jize,Jin Baosen,Fu Zengxiang,Chen Yiqin,Wang Zhihui. Highly Accurate Strain Gauge Extensometer[J]. Journal of Experimental Mechanics, 1994, 9(1): 56-62 |
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| Authors: | Shi Jize Jin Baosen Fu Zengxiang Chen Yiqin Wang Zhihui |
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| Affiliation: | North western Polytechnical University |
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| Abstract: | The linearity of a large range extensometer is a critical problem, because its elastic'element is under large deformation. Experimental study shows that the linearity depends on the combination of structure parts and there exists an optimum linear condition.Experiments also show that the repeatability of an extensometer depends on thetype of fastening and measuring technique. |
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| Keywords: | extensometer elastic element linearity fastening repeatability. |
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