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Research Paper

August 31, 2024


Review on Welding Process Monitoring Based on Deep Learning using Time-Series Data
Jaeheon Lee, Hwani Hwang, Taesoon Jeong, et al.
J Weld Join. 2024;42(4):333-344.

The quality of welds during welding processes significantly affects the performance and the reliability of the final products. Therefore, to guarantee a high quality of the products, technologies that utilize...

Research Paper

August 31, 2024


Detection of Hot Cracking for 6000 Series Aluminum Alloys using a Multi-Sensor Based Deep Learning Model
Geonmin Kim, Jaeheon Lee, Seung Hwan Lee
J Weld Join. 2024;42(4):345-356.

This study developed a monitoring technology using a multi-sensor based deep learning model to diagnose hot cracking in aluminum alloy laser welding. Hot cracking that occurs during the laser welding...

Research Paper

August 31, 2024


Review of Recent Additive Manufacturing and Welding Research with Application of Physics-Informed Neural Networks
Taehwan Ko, Heuisu Kim, Yeoungcheol Shin, et al.
J Weld Join. 2024;42(4):357-365.

This review introduces recent research on applying physics-informed neural networks (PINNs) to additive manufacturing and welding. PINNs, which are artificial intelligence models, integrate governing equations containing physical information with artificial...

Research Paper

August 31, 2024


Quality Prediction Algorithm for Flow Drilling Screw Joining of 590 MPa High-Strength Steel and 6xxx Series Aluminum Alloy
Yu Ri Choi, Dong Yoon Kim, Jun Myoung ang, et al.
J Weld Join. 2024;42(4):366-377.

Flow drilling screw (FDS) process is applied to various components such as car bodies and battery cases due to its advantage of enabling one-sided joining. Various studies have been conducted...

Research Paper

August 31, 2024


Bonding Properties of Package-on-Package Stack Interconnection Using by 150 ㎛ Height Copper Posts
Mi-Song Kim, So-Hee Hyun, Joo Young Bae, et al.
J Weld Join. 2024;42(4):378-387.

In this study, we used copper (Cu) posts, plated to a height of 150 μm, as interconnections to form electrodes between different package layers. The upper layer consisted of a...

Research Paper

August 31, 2024


Thermal and Frequency Response Analysis on Friction Stir Welding Tool with Different Materials by Using FEA Method
Rohit Pandey, Himanshu Shukla, Balendra Bhaskar, et al.
J Weld Join. 2024;42(4):388-395.

Friction stir welding (FSW) is a solid-state joining technique that joins two facing workpieces without melting the workpiece material. It makes use of a deceased item. The region surrounding the...

Research Paper

August 31, 2024


Modelling for Temperature Distribution Calculation using Surface Scattering of Free Electrons in Finite Metal Solid
Woo-Jae Seong
J Weld Join. 2024;42(4):396-405.

This study generalizes the temperature distribution equation for finite metal solid, unifying previous separate models for thick and thin plates. Effects of surface scattering of free electrons on heat conduction...

Research Paper

August 31, 2024


Effect of Welding Process on Microstructure and Mechanical Properties of Boron Containing Modified 9Cr-1Mo Steel
Gopa Chakraborty, P. Vasantharaja, B. Shashank Dutt, et al.
J Weld Join. 2024;42(4):406-413.

The influence of Shielded Metal Arc (SMA) welding and Activated Tungsten Inert Gas (A-TIG) welding on the microstructure and mechanical properties of boron containing Modified 9Cr-1Mo steel has been investigated....

Research Paper

August 31, 2024


Liquid Hydrogen Properties Affecting Fracture Toughness
Daehee Seong, Wonjun Jo, Jisun Roh, et al.
J Weld Join. 2024;42(4):414-427.

In this study, fracture toughness with the base metal of 9% Ni steel, a cryogenic steel, was evaluated under conditions without hydrogen charging (WO-H) and with hydrogen charging (W-H). Hydrogen...

Research Paper

August 31, 2024


Recent Advences in Laser and Laser-Assisted Bonding (LAB) Technologies for Micro-Soldering and Applications to Mini-LED
Jun Ho Ku, Jae Pil Jung
J Weld Join. 2024;42(4):428-436.

Advancements in laser soldering and laser-assisted bonding (LAB) have revolutionized electronic manufacturing by enhancing solder joint formation with precise control, reduced thermal impact, and improved reliability. These technologies are crucial...
Current Issue
Volume 42(4); Aug 2024
Review on Welding Process Monitoring Based on Deep Learning using Time-Series Data
Jaeheon Lee, Hwani Hwang, Taesoon Jeong, Dukyong Kim, Jeongbin Ahn, Gyuchan Lee, Seung Hwan Lee
J Weld Join. 2024;42(4):333-344.

Research Paper
Detection of Hot Cracking for 6000 Series Aluminum Alloys using a Multi-Sensor Based Deep Learning Model
Geonmin Kim, Jaeheon Lee, Seung Hwan Lee
J Weld Join. 2024;42(4):345-356.

Research Paper
Review of Recent Additive Manufacturing and Welding Research with Application of Physics-Informed Neural Networks
Taehwan Ko, Heuisu Kim, Yeoungcheol Shin, Dukyong Kim, Young Hoon Lee, Jinsu Hong, Seung Hwan Lee
J Weld Join. 2024;42(4):357-365.

Research Paper
Quality Prediction Algorithm for Flow Drilling Screw Joining of 590 MPa High-Strength Steel and 6xxx Series Aluminum Alloy
Yu Ri Choi, Dong Yoon Kim, Jun Myoung ang, Ji Young Yu, Seung Hwan Lee
J Weld Join. 2024;42(4):366-377.

Research Paper
Bonding Properties of Package-on-Package Stack Interconnection Using by 150 ㎛ Height Copper Posts
Mi-Song Kim, So-Hee Hyun, Joo Young Bae, Won Sik Hong
J Weld Join. 2024;42(4):378-387.

Research Paper
Thermal and Frequency Response Analysis on Friction Stir Welding Tool with Different Materials by Using FEA Method
Rohit Pandey, Himanshu Shukla, Balendra Bhaskar, Ashish Shrivastava
J Weld Join. 2024;42(4):388-395.

Research Paper
Modelling for Temperature Distribution Calculation using Surface Scattering of Free Electrons in Finite Metal Solid
Woo-Jae Seong
J Weld Join. 2024;42(4):396-405.

Research Paper
Effect of Welding Process on Microstructure and Mechanical Properties of Boron Containing Modified 9Cr-1Mo Steel
Gopa Chakraborty, P. Vasantharaja, B. Shashank Dutt, M. Nani Babu, C. R.Das, A. Moitra, M. Vasudevan
J Weld Join. 2024;42(4):406-413.

Research Paper
Liquid Hydrogen Properties Affecting Fracture Toughness
Daehee Seong, Wonjun Jo, Jisun Roh, Junggoo Park, Jeongung Park, Donghyeon Choi, Gyubaek An
J Weld Join. 2024;42(4):414-427.

Research Paper
Recent Advences in Laser and Laser-Assisted Bonding (LAB) Technologies for Micro-Soldering and Applications to Mini-LED
Jun Ho Ku, Jae Pil Jung
J Weld Join. 2024;42(4):428-436.

Research Paper

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