Influence of machining parameters on surface roughness in Nd:YAG laser micro-cutting of alumina-aluminium interpenetrating phase composite
by R. Biswas, A.S. Kuar, S. Mitra
International Journal of Surface Science and Engineering (IJSURFSE), Vol. 2, No. 3/4, 2008

Abstract: Pulsed laser sources are extensively used in recent years for micro-processing of composite materials for structuring and patterning of surfaces. Alumina-aluminium (Al2O3–Al) Interpenetrating Phase Composites (IPCs) have increasingly widened their use in structural application in aircraft and space stations owing to their superior qualities. In this research, pulsed Nd:YAG laser micro-cutting on alumina-aluminium IPC have been carried out to investigate the influence of laser machining parameters such as lamp current, Q-switched pulse frequency and cutting speed on surface roughness. Response Surface Methodology (RSM) based optimal parametric analysis has been performed for achieving minimum surface roughness (Ra) of the micro-cut surface.

Online publication date: Sat, 27-Sep-2008

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