Optimisation of effective factors in geometrical specifications of laser percussion drilled holes

M Ghoreishi, OB Nakhjavani - Journal of materials processing Technology, 2008 - Elsevier
Nowadays, laser percussion drilling is finding increasingly widespread application in
industry. Precise modeling has not yet been achieved due to the complexity of this process …

Multi criteria optimization of laser percussion drilling process using artificial neural network model combined with genetic algorithm

OB Nakhjavani, M Ghoreishi - Materials and Manufacturing …, 2006 - Taylor & Francis
This is a study of laser percussion drilling optimization by combining the neural network
method with the genetic algorithm. First, optimum input parameters of the process were …

Internal characterization and hole formation mechanism in the laser percussion drilling process

I Arrizubieta, A Lamikiz, S Martínez, E Ukar… - International Journal of …, 2013 - Elsevier
Laser percussion drilling is increasing its relevance in many industrial applications, being
used particularly in the aircraft industry in performing the micro-holes in nickel based alloys …

Comparative statistical analysis of hole taper and circularity in laser percussion drilling

M Ghoreishi, DKY Low, L Li - International Journal of Machine Tools and …, 2002 - Elsevier
The present study investigates the relationships and parameter interactions between six
controllable variables on the hole taper and circularity in laser percussion drilling …

Statistical modelling of laser percussion drilling for hole taper and circularity control

M Ghoreishi, DKY Low, L Li - Proceedings of the Institution of …, 2002 - journals.sagepub.com
The aim of the present work is to investigate the effects of different variables and their
interactions in laser percussion drilling and to understand the possibility of controlling …

Statistical analysis of repeatability in laser percussion drilling

M Ghoreishi - The International Journal of Advanced Manufacturing …, 2006 - Springer
This study investigates the effect of six parameters in the repeatability of drilled holes in laser
percussion drilling process by means of statistical techniques. Peak power, pulse width …

Investigation on the effects of process parameters on laser percussion drilling using finite element methodology; statistical modelling and optimization

M Moradi, E Golchin - Latin American Journal of Solids and Structures, 2017 - SciELO Brasil
In the present research, the simulation of the Nickel-base superalloy Inconel 718 fiber-laser
drilling process with the thickness of 1mm is investigated through the Finite Element Method …

Drilling of micro-holes on titanium alloy using pulsed Nd: YAG laser: parametric appraisal and prediction of performance characteristics

S Chatterjee, SS Mahapatra… - Proceedings of the …, 2019 - journals.sagepub.com
Laser drilling is a preferable method in drilling micro and slender holes because of its non-
physical contact between the tool and the workpiece leading to elimination of the problems …

Process parameter prediction and modeling of laser percussion drilling by artificial neural networks

CS Wang, YH Hsiao, HY Chang, YJ Chang - Micromachines, 2022 - mdpi.com
Finding process parameters for laser-drilled blind holes often relies on an engineer's
experience and the trial-and-error method. However, determining such parameters should …

Prediction of quality characteristics of laser drilled holes using artificial intelligence techniques

S Chatterjee, SS Mahapatra, V Bharadwaj… - Engineering with …, 2021 - Springer
Micro-drilling using lasers finds widespread industrial applications in aerospace,
automobile, and bio-medical sectors for obtaining holes of precise geometric quality with …