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Analysis Over Trio-Tube with Dual Thermal Communication Surface Heat Exchanger [T.T.H.Xr.] Read chapter Read first chapter

2020 | OriginalPaper | Chapter

Effects of Micro-EDM Parameters on the Surface Integrity of the Micro-Holes Fabricated on Nickel Sheet

Authors : Pankaj Kumar, Manowar Hussain

Published in: Recent Trends in Mechanical Engineering

Publisher: Springer Singapore

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Abstract

This paper presents the machining of the nickel sheet using The micro-EDM process. The effect of machining parameters such as pulse on time and gap voltage on the surface integrity parameters such as recast layer thickness, heat affected zone, change in micro-hardness of the workpiece surface and metallurgical transformation in the machined samples has been reported. It is found that ultrasonic vibration given to the workpiece, results in a reduction in the thickness of the recast layer and varies from 7 to 22 µm. The hardness of the fabricated micro-holes improves significantly on the introduction of ultrasonic vibration to the workpiece and was in the range of 116–141HV. In this study, heat-affected zone was not observed in optical as well as in SEM images. The result of the EDS analysis shows that less amount of the residuals of the carbon and oxygen were present over the fabricated holes.

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previous chapter Error Compensation Strategies for Workpiece Deflection During End Milling of Thin-Walled Straight and Curved Geometries
next chapter A Study on Welding of Thin Sheet of Ti6-Al-4V Alloy Using Fiber Laser and Its Characterization
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Metadata
Title
Effects of Micro-EDM Parameters on the Surface Integrity of the Micro-Holes Fabricated on Nickel Sheet
Authors
Pankaj Kumar
Manowar Hussain
Copyright Year
2020
Publisher
Springer Singapore
Book
Recent Trends in Mechanical Engineering

Print ISBN: 978-981-15-1123-3

Electronic ISBN: 978-981-15-1124-0

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-981-15-1124-0_23

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