Abstract
This paper presents a theoretical model to analyze and predict the electromagnetic radiation (EMR) during the strain hardening of metals with negligible Peierls stress. The model developed is validated by comparing it with the experimental results on the ASTM B265 grade 2 titanium reported earlier. It is observed that inclusion of time-varying stress is essential to studying EMR occurring during strain hardening. The model confirms the observation that the amplitude of oscillatory EMR is generally much larger than the amplitude of exponential EMR. Further, the variation in viscous damping as a function of strain during strain hardening too has been incorporated in the model. The nature as well as amplitude of the EMR calculated by this model matches well with the earlier reported results on titanium. The model is thus suitable for studying the EMR during plastic deformation of metals and alloys with negligible Peierls stress.
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Research grant from the Department of Science and Technology, Government of India, is gratefully acknowledged.
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Kothari, A., Chauhan, V.S., Misra, A. et al. Effect of strain hardening on the electromagnetic radiation during plastic deformation of metals and alloys beyond yield point. Nonlinear Dyn 85, 2687–2704 (2016). https://doi.org/10.1007/s11071-016-2855-5
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DOI: https://doi.org/10.1007/s11071-016-2855-5