摘要
根据圆柱形的受力弯曲理论推导出弯曲法测量圆柱形试样杨氏模量的公式,改进了仪器,测出了圆柱形试样金属丝的杨氏模量,解决了弯曲法测量圆柱形杨氏模量的问题,消除了在实验教学及生产中由于试样形状的限制而产生的不利影响.
In order to eliminate the adverse effects on the experiment teaching and production caused by the limitation on the sample shape when measuring Young modulus by bending a beam,the essential formula for measuring Young modulus of cylindrical sample according to the beam bending theory was deduced.The Young modulus of steel wire was measured by the improved instrument,and problem was solved successfully.
出处
《物理实验》
2016年第6期22-26,共5页
Physics Experimentation
基金
海军大连舰艇学院科研发展基金资助项目(No.DJYKYKT2015-01)
关键词
杨氏模量
弯曲法
圆柱形试样
刀口
Young modulus
bending method
cylindrical sample
knife edge
