Abstract
Laser drilling is a desirable technique in the micro-hole drilling of hard materials as it is a non-contact process, thereby avoiding wear, chatter and vibration during the process. In the current work, a 2D nonlinear transient numerical model on laser drilling of titanium alloy sheet of 2 mm thickness has been developed. The study has been supported to analyse the effect of a single laser pulse on micro-drilling of hard material like titanium for micro-hole formation. The numerical model also investigates the geometrical changes and the thermal effect during the laser drilling process. The effect of laser parameters such as laser power density and pulse width on the crater size of the drilled holes has been examined. From the numerical study, useful observations like crater depth and crater diameter increase on increasing laser pulse density and pulse width have been witnessed. The model presented will be useful in establishing laser-based drilling in practice.
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Singh, B.K., Sarma, U., Kapil, S., Joshi, S.N. (2023). Numerical Modelling and Simulation of Laser-Based Micro-drilling of Titanium Alloy. In: Jain, P.K., Ramkumar, J., Prabhu Raja, V., Kalayarasan, M. (eds) Advances in Simulation, Product Design and Development. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-4556-4_24
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DOI: https://doi.org/10.1007/978-981-19-4556-4_24
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