Young's modulus measurement based on Newton's ring phenomenon

Xiaojie Li; Yunxiang Liang; Fei Gao; Guangrui Yao; Yingjie Zhao

doi:10.1117/12.3011048

1 November 2023 Young's modulus measurement based on Newton's ring phenomenon

Xiaojie Li, Yunxiang Liang, Fei Gao, Guangrui Yao, Yingjie Zhao

Proceedings Volume 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023); 129170M (2023) https://doi.org/10.1117/12.3011048
Event: 3rd International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 2023, Shanghai, China

Abstract

According to the Newtonian ring in different thicknesses of air film will show light and dark fringes, using convex lens and flat glass to improve the Young's modulus measuring device of metal wire, through Newton ring light and dark fringes change times to calculate the change of metal wire elongation. The experimental results show that the surface measurement error is small, which can effectively improve the measurement precision. The device can calculate the Young's modulus of the material by observing the corresponding distance change of the Newton ring, so as to infer the degree of flexibility of the material, and accurately measure the Young's modulus of the material, so it can be applied in the field of materials research.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xiaojie Li, Yunxiang Liang, Fei Gao, Guangrui Yao, and Yingjie Zhao "Young's modulus measurement based on Newton's ring phenomenon", Proc. SPIE 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 129170M (1 November 2023); https://doi.org/10.1117/12.3011048

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