Electromagnetic-Force-Assisted Bending and Straightening of AH36 Steel Strip by Laser Irradiation

Electromagnetic-Force-Assisted Bending and Straightening of AH36 Steel Strip by Laser Irradiation Lasers Manuf. Mater. Process. https://doi.org/10.1007/s40516-018-0062-6 Electromagnetic-Force-Assisted Bending and Straightening of AH36 Steel Strip by Laser Irradiation 1 2 2 Polash P. Dutta & Karuna Kalita & Uday S. Dixit Accepted: 14 May 2018 Springer Science+Business Media, LLC, part of Springer Nature 2018 Abstract In this study, electromagnetic-force-assisted laser bending and straightening process is proposed, in which the external force is applied by a controlled force generated by an electromagnet. The process was found suitable for laser assisted bending and straightening. The experiments as well as simulations indicated that a large bend angle can be obtained by controlling the electric current and air gap between electromagnet and workpiece. A good agreement between simulation and experimental results was obtained. Edge effect was very less in case of strips that got attached with the magnet during laser bending. The spring-back effect was very less at high laser power, low scan speed and high current. The laser irradiated region had higher micro- hardness than base material. The micro-hardness of laser irradiated region depended on laser power, scan speed and magnetic force of attraction. Straightening of mechanically bent strip was also carried out. Results indicate that use of an electromagnet with laser irradiation is http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Lasers in Manufacturing and Materials Processing Springer Journals

Electromagnetic-Force-Assisted Bending and Straightening of AH36 Steel Strip by Laser Irradiation

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Engineering; Manufacturing, Machines, Tools; Industrial and Production Engineering; Surfaces and Interfaces, Thin Films
ISSN
2196-7229
eISSN
2196-7237
D.O.I.
10.1007/s40516-018-0062-6
Publisher site
See Article on Publisher Site

Abstract

Lasers Manuf. Mater. Process. https://doi.org/10.1007/s40516-018-0062-6 Electromagnetic-Force-Assisted Bending and Straightening of AH36 Steel Strip by Laser Irradiation 1 2 2 Polash P. Dutta & Karuna Kalita & Uday S. Dixit Accepted: 14 May 2018 Springer Science+Business Media, LLC, part of Springer Nature 2018 Abstract In this study, electromagnetic-force-assisted laser bending and straightening process is proposed, in which the external force is applied by a controlled force generated by an electromagnet. The process was found suitable for laser assisted bending and straightening. The experiments as well as simulations indicated that a large bend angle can be obtained by controlling the electric current and air gap between electromagnet and workpiece. A good agreement between simulation and experimental results was obtained. Edge effect was very less in case of strips that got attached with the magnet during laser bending. The spring-back effect was very less at high laser power, low scan speed and high current. The laser irradiated region had higher micro- hardness than base material. The micro-hardness of laser irradiated region depended on laser power, scan speed and magnetic force of attraction. Straightening of mechanically bent strip was also carried out. Results indicate that use of an electromagnet with laser irradiation is

Journal

Lasers in Manufacturing and Materials ProcessingSpringer Journals

Published: May 31, 2018

References

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