S.-J. Na

Nexen (Canada) — Canada

Engineering · Physical Sciences

13h-index564citations35works0.52yr avg
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Research Topics

Welding Techniques and Residual Stresses(16), Additive Manufacturing Materials and Processes(6), Advanced Welding Techniques Analysis(6), High Entropy Alloys Studies(6), Laser and Thermal Forming Techniques(6)

Publications35 total

Efficient high-power continuous-wave multi-slab Fe:ZnSe laser at 4.1 μm
Optics Express·2025· 1 citedOpen Access
Proposal of Part-mix Augmentation Technique and NKB Loss Function for Improving Keyword Spotting Performance in Noisy Shipyard
Journal of The Korean Association of Artificial Intelligence Education·2024
Relation of joint strength and polymer molecular structure in laser assisted metal and polymer joining
Science and Technology of Welding & Joining·2014· 33 cited
Developments in modelling and simulation of laser and hybrid laser welding
Elsevier eBooks·2013· 6 cited
Weld seam monitoring
Elsevier eBooks·2008· 3 cited
Study on resistance welding of metallic sandwich panel
Science and Technology of Welding & Joining·2007· 5 cited
Development of an Arc Sensor with Mechanized Rotation of Electrode
Materials science forum·2003· 2 cited
Determination of 3-D weld seams in ship blocks using a laser vision sensor and a neural network
Journal of Manufacturing Systems·2003· 16 cited
A study on a mobile platform-manipulator welding system for horizontal fillet joints
Mechatronics·2001· 23 cited
Prediction of laser-spot-weld shape by numerical analysis and neural network
Metallurgical and Materials Transactions B·2001· 50 cited
An analysis of volumetric radiation heat flux and experimental comparison with arc light sensing in GTA welding process
Journal of Materials Processing Technology·2001· 13 cited
Heat and fluid flow in pulsed current GTA weld pool
International Journal of Heat and Mass Transfer·1998· 96 cited
EFFECT OF VARIOUS DRIVING FORCES ON HEAT AND MASS TRANSFER IN ARC WELDING
Numerical Heat Transfer Part A Applications·1997· 72 cited
A Study on Parameter Optimization for Circumferential Gas Tungsten Arc (GTA) Welding of Small Pipes considering Backing Gas Pressure: Part 1: Analysis of Weld Pool Surface Profile
Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture·1996· 1 cited
An analysis of thermal stress and distortion in bead-on-plate welding using laminated isotropic plate theory
Journal of Materials Processing Technology·1996· 10 cited
A study on parameter optimization in the circumferential GTA welding of aluminium pipes using a semi-analytical finite-element method
Journal of Materials Processing Technology·1996· 10 cited
Shape deformation of a piston ring groove by laser surface hardening
Surface and Coatings Technology·1996· 7 cited
A Study of the Effect of Pre-Straining on Angular Distortion in One-Pass Fillet Welding Incorporating Large Deformation Theory
Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture·1995· 4 cited
Analysis of TIG Welding Arc Using Boundary-Fitted Coordinates
Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture·1995· 23 cited
A Study on Mathematical Modeling of Parameter Optimization in Gas Tungsten Arc (GTA) Welding of Thin Pipes
Journal of Engineering for Industry·1995
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Frequent Co-authors

Yosheph Yang(5), W.-B. Kim(3), Seongmin Park(3), T-J Lho(3), Won Ho Kim(2), Y.-S. Yang(2), W.-B. Kim(2), Keun-Ho Bae(2), H. G. Fan(1), J.-W. Kim(1), Chang Ws(1), Jason Cheon(1), S.-Y. Lee(1), W-S Yoo(1), JD Kim(1), Wan-Suk Yoo(1), J.-H. Lee(1), H.-J. Lee(1), Keun Kwak Yoon(1), Won-Ik Cho(1)