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Changwook Ji

affiliation not provided to SSRN

  • affiliation not provided to SSRN

SCHOLARLY PAPERS

6

DOWNLOADS

118

TOTAL CITATIONS

3

Scholarly Papers (6)

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1.

Effects of ARM laser-beam control on microstructure and mechanical properties of AA6N01-T5 aluminum alloy in laser-arc hybrid welding

Number of pages: 19 Posted: 30 Sep 2025
Seonghyun Kim, Hyun-Uk Jun, Jooyong Cheon, Gyuheun Lee, Changwook Ji and Yang-Do Kim
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Pusan National University
Downloads 32 (1,304,549)

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Laser-arc hybrid welding (LAHW), adjustable ring mode (ARM) laser, beam control, Mg evaporation, pore suppression

2.

Effect of Additional Side Shielding on the Wire Arc Additive Manufacturing of Az31 Magnesium Alloy

Number of pages: 17 Posted: 25 May 2023
Jae-Deuk Kim, Hyun-Uk Jun, Jooyong Cheon, Jaewon Kim, Jae-Hun Kim, Changwook Ji and Yang-Do Kim
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Pusan National University
Downloads 28 (1,359,097)
Citation 1

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magnesium alloy, AZ31, wire arc additive manufacturing, shielding method, additional shielding, Microstructural evolution

3.

Microstructure and Mechanical Properties of Adjustable-Ring-Mode Laser Welded And Hot-Stamped Al-Si Coated Boron Steel Joints

Number of pages: 15 Posted: 21 Nov 2023
Hyun-Uk Jun, Jae-Deuk Kim, Jooyong Cheon, Jae-Hun Kim, Yeong-Do Park, Yang-Do Kim and Changwook Ji
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Dong-Eui University, Pusan National University and affiliation not provided to SSRN
Downloads 17 (1,500,778)
Citation 2

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ARM laser, Hot-stamped, Al-Si coated, Microstructure, Mechanical properties, Ring beam

4.

Effect of Laser Beam Control on Microstructure and Mechanical Properties in Aluminum Laser-Arc Hybrid Welding

Number of pages: 33 Posted: 14 Aug 2025
Seonghyun Kim, Hyun-Uk Jun, Jooyong Cheon, Gyuheun Lee, Yang-Do Kim and Changwook Ji
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Pusan National University and affiliation not provided to SSRN
Downloads 15 (1,509,872)

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LAHW(Laser-Arc Hybrid Welding), ARM(Adjustable Ring Mode) Laser, Beam Control, Mg evaporation, pore suppression

5.

Effect of Ni-Based Filler Metal Types on Microstructure and Cryogenic Impact Toughness of Fcaw Welded 9% Nickel Steel

Number of pages: 23 Posted: 25 Aug 2025
Jooyong Cheon, Hyun-Uk Jun, Jae-Hun Kim, Jaewon Kim, Yang-Do Kim and Changwook Ji
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Pusan National University and affiliation not provided to SSRN
Downloads 14 (1,518,554)

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9% nickel steel, types of filler metal, Flux-cored Arc Welding(FCAW), Microstructure, Cryogenic mechanical properties

6.

Investigation of Microstructure and Cryogenic Impact Toughness of Laser-Arc Hybrid Welded Austenitic Steels with Temperature Variation

Number of pages: 45 Posted: 14 Mar 2026
Jaehan Park, Jeongyeol Park, Yang-Do Kim and Changwook Ji
affiliation not provided to SSRN, affiliation not provided to SSRN, Pusan National University and affiliation not provided to SSRN
Downloads 12 (1,534,404)

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Austenitic Stainless Steel, Laser-Arc Hybrid welding, Cryogenic, Impact toughness, TRIP and TWIP effects