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来源:百度知道 编辑:UC知道 时间:2024/05/18 05:10:45
本文采用梁的弯曲法测量黄铜和钢条的杨氏模量,用新型集成霍尔位移传感器测量梁弯曲时的位移量。一开始文章详细介绍了霍尔效应,并对霍尔位移传感器的工作原理进行了说明,接着重点推导了弯曲法杨氏模量的计算公式。在文章的后面是试验部分,先测量出黄铜样品的杨氏模量、利用测量数据对霍尔位移传感器进行了定标(霍尔元件的灵敏度K的确定),然后利用所确定的 K 值再测量并计算出钢条样品的杨氏模量,从而实现了由力学长度微小变化量测量转化为电学量测量,使杨氏模量的测量更为简洁、准确。

In this paper, beam measurement of the bending brass and steel of the Young's modulus, New Integrated Hall displacement sensor measurement of beam bending displacement. Began a detailed article on the Hall Effect and Hall displacement sensor principle of the Note Then focus derived method of bending the Young's modulus formula. The article is behind the pilot, first measured brass samples Young's modulus, use measurement data to the Hall of displacement sensor calibration (sensitivity of the Hall element determining K) Then identified by the K value again measured and calculated steel samples of the Young's modulus, thus achieving a mechanical length measuring small changes into electrical measurement, the Young's modulus measurements more concise, accurate