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The effect of argon shielding gas flow rate on welded 22MNBS boron steel using low power fiber laser

Khairul Ihsan, Yaakob and M., Ishak and Siti Rabiatull Aisha, Idris (2018) The effect of argon shielding gas flow rate on welded 22MNBS boron steel using low power fiber laser. In: The Advances in Joining Technology. Lecture Notes in Mechanical Engineering . Springer, Cham, pp. 39-48. ISBN 978-981-10-9040-0

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Abstract

This study deals with an investigation of shielding gas flow rate on continuous wave (CW) and pulse wave (PW) mode of welded boron steel (22MnB5) using low power fiber laser. Argon gas is selected as shielding gas. The observation of welding surface, geometry, microstructure and hardness distribution were carried out with different shielding gas flow rate from 5 to 25 L/min. The result found 15 L/min is the optimum argon shielding gas flow rate to produce good weld surface and deeper penetration which is apparent in PW mode application. The microstructure and mechanical properties are not affected by shielding gas ftow rate. It is majorly influenced by thermal experience during particular welding process.

Item Type: Book Section
Uncontrolled Keywords: Welding; Laser processing; Boron Steel; Light weight
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Pn. Hazlinda Abd Rahman
Date Deposited: 15 Apr 2019 06:26
Last Modified: 15 Apr 2019 06:26
URI: http://umpir.ump.edu.my/id/eprint/24640
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