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用光学干涉法测量材料的高温线膨胀系数

MIAO Zhuo-jun,WANG Xin-sheng,XU Mei-hua

College Physics（2011）

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Abstract
采用石英传递杆将高温区材料的线膨胀量传递到室温区,并利用标准件进行标定的方法消除由传递带来的附加线膨胀量的影响,利用迈克耳孙干涉仪测量微小位移的原理,测量材料的线膨胀系数；测量相对误差仅为1.0％,而且测量过程非常直观简单.
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Key words
Transient Temperature Measurement,Thermal Behavior
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