High-power fiber-coupled diode laser welding of 10-mm thick Inconel 617 superalloy

被引：0
|
作者：
Mohd, Aqeel [1 ,2 ]
Gautam, J. P. [1 ]
Anusha, E. [3 ,4 ]
Shariff, S. M. [2 ]
机构：
[1] Univ Hyderabad, Sch Engn Sci & Technol, Hyderabad 500046, India
[2] Int Adv Res Ctr Powder Met & New Mat ARCI, Ctr Laser Proc Mat, Hyderabad 500069, India
[3] Indian Inst Technol Hyderabad, Dept Mech & Aerosp Engn, Hyderabad 502284, India
[4] Aimtech Global Solut Pvt Ltd, Hyderabad 500058, India
来源：
JOURNAL OF LASER APPLICATIONS | 2024年 / 36卷 / 01期
关键词：
thick sections; Inconel; 617; superalloy; diode laser welding; focal position; joint strength; STAINLESS-STEEL; MECHANICAL-PROPERTIES; MICROSTRUCTURE; OPTIMIZATION;
D O I：
10.2351/7.0001209
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present study, a high beam quality fiber-coupled diode laser was effectively utilized to weld 10-mm thick Inconel 617 superalloy in single pass. Influence of critical parameters of focusing distance and welding speed on weld characteristics was systematically investigated and optimized. At optimum process conditions with the power density of approximate to 10(6) W/cm(2), crack-free full-penetration weld with minimal distortion, porosity, and no underfill/undercut/root-hump defects were obtained with 97%-99% joint efficiency. The weld joint quality produced was on par with multipass employing conventional lasers and advanced laser-hybrid welding techniques and sufficient enough to apply in various applications of thermal power plants, ship building, and heavy industries.
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页数：11
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