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Young's modulus measurement based on ultrasonic phase-difference method
Author(s): Guo Qikai, Guo Minqiang, Li Chao, Zhang Yaping, Yan Xianghong
Pages: 41-
43
Year: 2013
Issue:
2
Journal: Experimental Technology and Management
Keyword: 杨氏模量; 超声相位差法; 测距; DSP芯片;
Abstract: 传统的拉伸法测量杨氏模量存在着自动化程度不高、耗时较长等弊端,为了提高实验效率,运用超声波相位法测距原理,提出了一种新颖的超声相位差法测量杨氏模量的方法.该方法以自制的超声相位差测距仪为基础,搭配一套收发换能器,对钢丝进行了测量.结果表明:超声相位差法测量杨氏模量的测量精确度较高、可操作性强、自动化程度高,具有较好的应用前景.
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