摘要
传统的测量杨氏模量的静态拉伸法,操作不方便,误差较大。采用劈尖的等厚干涉法测量金属丝的微小伸长量,能够简化实验过程,并提高实验精度。
There exists inconvenience and big error when Yong＇s Modulus is measured with traditional static tensile method. In this paper, the small elongates is measured by equal thickness interference in wedge -shaped film, and the Yong＇s Modulus is calculated. The whole experimental course is simplified. The precision is validated, which shows that the precision is improved by using the method of interference.
出处
《淮阴工学院学报》
CAS
2008年第5期17-20,共4页
Journal of Huaiyin Institute of Technology
关键词
杨氏模量
劈尖
等厚干涉
测量精度
Yong＇s modulus
wedge -shaped film
equal thickness interference
measuring precision
