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 …

This article presents a detailed systematic review on the current developments in the
machining of superalloys. Superalloys have extensive high temperature applications and …

This paper presents an overview of the current technological and economical capabilities of
electrochemical (ECM-based), electro-physical (EDM-based) and photonic (Laser-/EBM …

Micro-machining has attracted great attention as micro-components/products such as micro-
displays, micro-sensors, micro-batteries, etc. are becoming established in all major areas of …

Drilling using quasi-continuous wave (QCW) millisecond pulse fibre laser is the state-of-the-
art for producing film-cooling holes over uncoated aero-engine components. Laser drilling of …

When drilling the superalloy Inconel 718 twist drills are faced with high thermomechanical
loads. Owing to the low thermal conductivity of the workpiece material a large amount of the …

A cooling hole is important structure of turbine blades for high-performance aircraft engines.
It is very challenging to manufacture cooling holes in superalloys including nickel-based and …

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 …

Thermal barrier coating has been applied in turbine blades and vanes to improve the
combustion temperature and thus the thermal efficiency. However, the fabrication of film …

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 …