奉勇辉,宋蕊,李泽昕,张安鑫,李延标,白忠

• 1:陆军工程大学基础部

摘要(Abstract)：

本文利用劈尖干涉法测量微小长度量，对杨氏模量测定仪进行改进，借助CCD视像系统增加仪器操作和读数的稳定性、精确性。本文的测量方法设计合理，减小了塑性形变和形变的迟滞特性带来的影响。通过计算结果的误差分析可知，本文的实验设计能精确地计算出金属丝的杨氏模量。该实验原理清晰，装置简单易懂，操作方便，能满足对材料杨氏模量研究，同时为微小长度量的测量提供了新的思路。本次实验设计也是对课堂教学的巩固与拓展，在实验教学案例中具有很好的推广价值。

关键词(KeyWords)： 杨氏模量;劈尖干涉;微小量测量

Abstract:

Keywords:

基金项目(Foundation): 陆军工程大学教育教学研究重点课题(JCBZDJYJX2018)

作者(Author): 奉勇辉,宋蕊,李泽昕,张安鑫,李延标,白忠

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