| 用劈尖干涉测金属线胀系数 |
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| 引用本文： | 尹志勇,贾同福,汤洪志,万丽,秦天健. 用劈尖干涉测金属线胀系数[J]. 大学物理实验, 2010, 23(2): 45-46,55 |
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| 作者姓名： | 尹志勇 贾同福 汤洪志 万丽 秦天健 |
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| 作者单位： | 东华理工大学,江西,抚州,344000;西南石油大学,四川,成都,610500 |
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| 基金项目： | 科技部国际科技合作项目 |
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| 摘 要： | 文中结合劈尖干涉原理和金属线胀系数计算公式，通过测量受热前后黄铜丝直径的微小变化，导出黄铜丝的线胀系数．实验取得良好效果。
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| 关 键 词： | 线胀系数 干涉条纹 移测显微镜 |
A Method of Measuring Metal Linear Expansion Coefficient by Wedge Interference |
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| YIN Zhi-yong,JIA Tong-fu,TANG Hong-zhi,WAN Li,QIN Tian-jian. A Method of Measuring Metal Linear Expansion Coefficient by Wedge Interference[J]. Physical Experiment of College, 2010, 23(2): 45-46,55 |
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| Authors: | YIN Zhi-yong JIA Tong-fu TANG Hong-zhi WAN Li QIN Tian-jian |
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| Affiliation: | YIN Zhi-yong1,JIA Tong-fu1,TANG Hong-zhi1,WAN Li1,QIN Tian-jian2(1.East China Institute of Technology,Fuzhou 344000,2.Southwest Petroleum University,chengdu 610500) |
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| Abstract: | In this paper,combining the principle of wedge interference and the calculation formula of metal linear expansion coefficient,by measuring the micro different between yellow copper's linear is heated before and after,we can calculate its linear expansion coefficient.This experiment is well in result. |
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| Keywords: | linear expansion coefficient interference fringes mobile measuring microscope |
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