杨氏弹性模量测量仪的改进  

New design on elastic modulus measuring apparatus

作　　者：侯春来[1] 陈子健[1] 董军军[1] 

机构地区：[1]北京科技大学,北京100083

出　　处：《中国现代教育装备》2013年第19期87-88,92,共3页China Modern Educational Equipment

基　　金：教育教学改革项目(2011重点)"研究型和创新型基础实验教学体系建设"(编号:JG2011Z14);北京科技大学本科生科技创新项目(2012年)(编号:12210458)

摘　　要：针对实验室测量杨氏弹性模量时碰到的测量困难和测量结果不精确的问题,对该仪器进行了改进。将激光应用到实验数据的测量中,激光在测量过程中体现出的精确性和实用性使该实验的测量体验有了质的改变。Aiming at the accuracy measuring problem during the experiment of elastic modulus in lab, the elastic modulus measuring apparatus was redesigned. Laser light was used in the measuring process creatively, which bring accuracy and practicability to the measuring result, take qualitative change to the experiment.

关 键 词：杨氏模量测量 激光 光栅衍射 

分 类 号：O4-33[理学—物理]