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This paper presents experimental study into the influence of machining parameters of Ytterbium fiber laser during drilling of Al-15wt%Al2O3-MMC. The response surface methodology (RSM) is used to achieve optimum responses i.e. minimum tapering and maximum material removal rate (MRR) [1]. A comprehensive mathematical model for correlating the interactive and higher-order influences of Ytterbium fiber laser machining parameters such as laser power, modulation frequency, gas pressure, wait time, pulse width on metal removal rate and tapering phenomena has been developed for achieving controlled over fiber laser machining process. Test results reveal that MRR is increased with decrease of wait time and laser power. At wait time 17.5 s and laser power 500 w the MRR is maximum i.e 0.23g/s. Due to less wait time, the possibility of heat loss is less so MRR increases

Modelling of Ytterbium Fiber Laser parameters during micro machining of Al-15 wt%Al2O3-MMC