Experiment on measuring the linear expansion coefficient   of metal by the method of interference of light

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Experiment on measuring the linear expansion coefficient of metal by the method of interference of light

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- Experiment on measuring the linear expansion coefficient of metal by the method of interference of light
- Issue 4, Pages: 383-384(2001)
- 作者机构：
  
  1:江苏理工大学理学院,江苏,镇江,212013
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2001
- 稿件说明：
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Experiment on measuring the linear expansion coefficient of metal by the method of interference of light[J]. 2001, (4): 383-384.
DOI：

Experiment on measuring the linear expansion coefficient of metal by the method of interference of light[J]. 2001, (4): 383-384. DOI：

摘要

当用两块平板玻璃制作出的空气劈尖顶角发生变化时

应用 CCD可观察到劈尖表面移动的干涉条纹。移过某一点的干涉条纹数决定劈尖项角的变化。若劈尖项角的变化是由金属受热膨胀引起的

则可导出金属受热膨胀的绝对伸长量与移过的条纹数之间的关系

并通过它计算金属的线胀系数。通过对黄铜棒的测量

结果表明该方法是可行的

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