alexa Investigation on Transient Thermal Responses on 316L Austenitic Stainless Steel and Low Carbon Ferritic Steel Welding Using Pulsed Nd:YAG Laser
ISSN: 2169-0022

Journal of Material Sciences & Engineering
Open Access

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Research Article

Investigation on Transient Thermal Responses on 316L Austenitic Stainless Steel and Low Carbon Ferritic Steel Welding Using Pulsed Nd:YAG Laser

Kumar KS1,2*

1University of Madras, Chennai, Tamil Nadu, India

2P.T.Lee Chengalvaraya Naicker College of Engineering and Technology, Kanchipuram, Tamil Nadu, India

*Corresponding Author:
Kumar KS
University of Madras, Chennai
Tamil Nadu, India
Tel: 04425399422
E-mail: [email protected]

Received Date: August 10, 2015; Accepted Date: August 17, 2015; Published Date: August 27, 2015

Citation: Kumar KS (2015) Investigation on Transient Thermal Responses on 316L Austenitic Stainless Steel and Low Carbon Ferritic Steel Welding Using Pulsed Nd:YAG Laser. J Material Sci Eng 4: 197. doi:10.4172/2169-0022.1000197

Copyright: © 2015 Kumar KS. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Dissimilar welding of 316L stainless steel-low carbon ferritic steel joints made using pulsed Nd: YAG laser beam. The laser spot symmetrically focused on the butt joint and offset-ted by 2 μm to stainless steel to obtain the good quality of dissimilar weld. A three dimensional finite element based model developed using comsol code to simulate welding process for these two different laser spot positions. Thermal profile, isothermal surface, and deformation of the dissimilar joints simulated to investigate the temperature distribution across the butt joints. The temperature distribution estimated across the dissimilar joint analytically. The estimated and predicted results exposed the bead width and heat affected zone in dissimilar joints. These results were compared with experiment found that has very close association with each other.

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