Effect of Cutting Parameters on Micro Drilling Characteristics of Incoloy 825

Azim, Sabana (2016) Effect of Cutting Parameters on Micro Drilling Characteristics of Incoloy 825. MTech thesis.



The study focuses on the micro drilling of Incoloy 825 alloy under flood cutting condition. Micro drilling on nickel based superalloy is very challenging process due to the material properties, operating conditions, low thermal conductivity and high quality requirements. Due to low thermal conductivity of material heat is concentrated near tool tip and unable to dissipate for which tool wear occurs. The current study described the machinability of Incoloy 825 in micro drilling operation and also the effect of spindle rpm and feed rate on thrust force, torque, radial component force, tangential component forces, oversize diameter and white layer thickness. The current study investigates the influence of micro drilling parameters on surface profile and circumferential damage of micro holes (in terms of damaged layer thickness). ANSYS simulation was carried out to theoretically determine and evaluated necessary data like equivalent stress and deformation. Statistical analysis was also carried out to develop predictive models for various output characteristics.

Item Type:Thesis (MTech)
Uncontrolled Keywords:Incoloy 825; Micro drilling; White layer; Surface roughness; Oversize error; Simulation, Statistical analysis
Subjects:Engineering and Technology > Mechanical Engineering > Production Engineering
Divisions: Engineering and Technology > Department of Mechanical Engineering
ID Code:8070
Deposited By:Mr. Sanat Kumar Behera
Deposited On:31 Jul 2017 12:25
Last Modified:26 Nov 2019 16:26
Supervisor(s):Gangopadhyay, S

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