Pulsed Nd: YAG laser beam drilling: A review
GD Gautam, AK Pandey - Optics & Laser Technology, 2018 - Elsevier
Laser beam drilling (LBD) is one of non contact type unconventional machining process that
are employed in machining of stiff and high-strength materials, high strength temperature …
are employed in machining of stiff and high-strength materials, high strength temperature …
Insights into drilling film cooling holes on ceramic-coated nickel-based superalloys
This article aims at providing insights into various drilling operations relating to the
production of holes of small diameter for film cooling, particularly inclined holes, in aero …
production of holes of small diameter for film cooling, particularly inclined holes, in aero …
Characteristics of micro-hole formation during fibre laser drilling of aerospace superalloy
S Marimuthu, M Antar, J Dunleavey - Precision Engineering, 2019 - Elsevier
High aspect ratio micro-holes are nowadays increasingly used in various applications
including aerospace, medical and automotive. This research investigates the characteristic …
including aerospace, medical and automotive. This research investigates the characteristic …
Effect of drilling allowance on TBC delamination, spatter and re-melted cracks characteristics in laser drilling of TBC coated superalloys
Laser drilling of inclined holes on Ni-based superalloys coated with thermal barrier coatings
(TBC) was studied using numerical simulation and experiments. Two types of drilling, three …
(TBC) was studied using numerical simulation and experiments. Two types of drilling, three …
An experimental study on quasi-CW fibre laser drilling of nickel superalloy
S Marimuthu, M Antar, J Dunleavey, D Chantzis… - Optics & Laser …, 2017 - Elsevier
Laser drilling of metals and alloys is extensively used in modern manufacturing industries to
produce holes of various size and shape. Currently, most laser drilling of aerospace nickel …
produce holes of various size and shape. Currently, most laser drilling of aerospace nickel …
Investigation on millijoule femtosecond laser spiral drilling of micro-deep holes in thermal barrier coated alloys
Ultra-short laser drilling of micro-holes with high quality and high processing efficiency in the
aviation industry is urgently needed. This study reported the fabrication of micro-deep holes …
aviation industry is urgently needed. This study reported the fabrication of micro-deep holes …
An experimental investigation into the defects of laser-drilled holes in thermal barrier coated Inconel 718 superalloys
Delamination and microcracks as well as spatters are known to be inherently associated
with laser drilling thermal barrier coated materials. In this study, response surface method …
with laser drilling thermal barrier coated materials. In this study, response surface method …
Study of the TBC delamination in nanosecond laser percussion drilling of inclined film cooling holes
J Niu, J Yang, J Tan, Z Qin, L Chen, T Jia… - Optics & Laser …, 2024 - Elsevier
To protect superalloys under extremely high temperatures in aero-engine core components,
thermal barrier coatings (TBC) are sprayed on the material surface and thousands of film …
thermal barrier coatings (TBC) are sprayed on the material surface and thousands of film …
Optimization of parameters for EDM drilling of thermal-barrier-coated nickel superalloys using gray relational analysis method
Y Guo, G Zhang, L Wang, Y Hu - The International Journal of Advanced …, 2016 - Springer
Thermal barrier coatings (TBCs) are used to provide thermal insulation for superalloy
components from high-temperature gas streams. Due to the insulativity of the top coat and …
components from high-temperature gas streams. Due to the insulativity of the top coat and …
Computational and experimental study on hole evolution and delamination in laser drilling of thermal barrier coated nickel superalloy
Computational study related to thermal stress and hole formation in laser percussion drilling
of thermal barrier coated nickel alloy based on a thermal-mechanical coupled model …
of thermal barrier coated nickel alloy based on a thermal-mechanical coupled model …