Measurement of the elastic modulus of solid material with objective speckles field

Ping Ran; Zebin Fan; Haiting Xia

doi:10.1117/12.870447

11 November 2010 Measurement of the elastic modulus of solid material with objective speckles field

Ping Ran, Zebin Fan, Haiting Xia

Proceedings Volume 7855, Optical Metrology and Inspection for Industrial Applications; 785507 (2010) https://doi.org/10.1117/12.870447
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

In this paper, an approach based on the objective speckles field to measure the elastic modulus of solid material with three-points bending method is presented. The speckle images of the loading force rod under different loading are recorded and performed Fast Fourier Transformation (FFT), the deflection of the specimen can be obtained. The Young's modulus of the specimen calculated agrees well with that of stretch approach. The approach presented in this paper has advantage of simplicity, noncontact and high accuracy.

Citation Download Citation

Ping Ran, Zebin Fan, and Haiting Xia "Measurement of the elastic modulus of solid material with objective speckles field", Proc. SPIE 7855, Optical Metrology and Inspection for Industrial Applications, 785507 (11 November 2010); https://doi.org/10.1117/12.870447

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