| 金属丝力学性能测试的设计性实验 |
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| 引用本文： | 孙文光,章昌奕,马宁生,谢双媛.金属丝力学性能测试的设计性实验[J].物理实验,2007,27(2):37-39. |
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| 作者姓名： | 孙文光 章昌奕 马宁生 谢双媛 |
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| 作者单位： | 同济大学,物理系,上海,200092 |
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| 摘 要： | 将金属丝力学性能测试实验引入设计性物理实验,自组手工加载机构,再配以力传感器和位移传感器,构成手工测量应力和应变及其关系的仪器.利用该试验装置对金属丝进行了测试,得到了应力-应变曲线和屈服强度、强度极限、延伸率等力学指标.
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| 关 键 词： | 拉伸法 金属丝 力学性能 |
| 文章编号： | 1005-4642（2007）02-0037-03 |
| 修稿时间： | 2006-05-12 |
Design experiment: testing the mechanical properties of metal wire |
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| SUN Wen-guang,ZHANG Chang-yi,MA Ning-sheng,XIE Shuang-yuan.Design experiment: testing the mechanical properties of metal wire[J].Physics Experimentation,2007,27(2):37-39. |
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| Authors: | SUN Wen-guang ZHANG Chang-yi MA Ning-sheng XIE Shuang-yuan |
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| Institution: | Department of Physics, Tongji University, Shanghai 200092, China |
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| Abstract: | The experiment of testing the mechanical properties of metal wire is introduced into design experiment,self-made loading machine plus mechanical sensor and displacement sensor are used to make an apparatus which can measure stress,strain and their relationship.Using this apparatus,the stress-strain curve,ultimate strength,extensibility and other mechanical properties of the metal wire are obtained. |
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| Keywords: | tensile method metal wire mechanical properties |
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