Measurement of nonlinear elastic constants of rail steel

Afzalul Md. Karim; Haifeng Zhang

doi:10.1117/12.919811

4 April 2012 Measurement of nonlinear elastic constants of rail steel

Afzalul Md. Karim, Haifeng Zhang

Proceedings Volume 8347, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2012; 83472U (2012) https://doi.org/10.1117/12.919811
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

Abstract

The paper presents a method for investigating the stress-induced changes in ultrasonic wave speeds at room temperature in rail steel. The pulse echo method is used to measure the wave speed accurately. All of the second-order and thirdorder elastic constants are calculated from the measured acoustoelastic data. A comparison of the strain-induced elastic constant at room temperature is also conducted with previous measurement results.

Citation Download Citation

Afzalul Md. Karim and Haifeng Zhang "Measurement of nonlinear elastic constants of rail steel", Proc. SPIE 8347, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2012, 83472U (4 April 2012); https://doi.org/10.1117/12.919811

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