Changliang Yao, Dosik Shim, Sanghu Park, “Application of ultrasonic nanocrystal surface modification to improve cavitation corrosion resistance of nickel-aluminum bronze” Asian Society Precision Engineering and Nanotechnology ASPEN, Nanyang Technological University in singapore Noveber 15~18, 2022

Han-Byeol Park, Heong-Jin Ha, Gwang-Yong Shin, Do-Sik, Shim, “A Study on Wear Characteristics after Ultrasonic-Nano Crystal Surface Modification for High-Manganese Steel Built by Directed Energy Deposition” Asian Society Precision Engineering and Nanotechnology ASPEN, Nanyang Technological University in singapore, November 15~18, 2022

Hwajeong Kim, Gwangyong Shin, Dosik Shim, “A Study on the Characteristics of Intermetallic Compound and Nanoindentation in ZrH2-Reinforced Aluminum Matrix Composite Layered by Directed Energy Deposition” Asian Society for Precision Engineering and Nanotechnology ASPEN, Nanyang Technological University in singapore, November 15~18, 2022

Kookhwa Choi, Dubin Lee, Dagyeong Hwang, Gwangyong Shin, Dosik Shim, “Invesitgation of Heat Transfer During Directed Energy Deposition on Lightweight Materials With Inner Lattice Structures” International Symposium on PRecision Engineering and Sustainable Manufacturing PRESM 2022, Jeju in Korea, July 20 ~ 22, 2022

Hwajeong Kim, Yeongmin Lee, Gwangyong Shin, Dosik Shim, “Deposition Characteristics and Compression Behavior of Various Aluminum Alloys Fabricated Using Directed Energy Deposition” International Symposium on PRecision Engineering and Sustainable Manufacturing PRESM 2022, Jeju in Korea, July 20 ~ 22, 2022

Hanbyeol Park, Hyeongjin Ha, Gwangyong Shin, Kiyong Lee, Dosik Shim, “Study on Wear Behaviors of High-Manganese Steels Fabricated Using Directed Energy Deposition” International Symposium on PRecision Engineering and Sustainable Manufacturing PRESM 2022, Jeju in Korea, July 20 ~ 22, 2022

Changliang Yao, Gwangyong Shin, Dosik Shim, “Study on Corrosive Properties of Copper Alloy Powder Layered on Nickel-aluminum Bronze by Using Directed Energy Deposition” International Symposium on PRecision Engineering and Sustainable Manufacturing PRESM 2022, Jeju in Korea, July 20 ~ 22, 2022

Seung Yeong Cho, Dosik Shim, MinSeob Kim, Gyeong Yoon Baek, Sang Hu Park, "A Study on Effects of Laser Remelting and Ultrasonic Nano crytal Surface Modification on STS316L Built by Directed Energy Deposition" International Symposium on PRecision Engineeri

Taegeon Kim, Dosik Shim, Gwangyong Shin, "Effrcts of Surface Roughness of Substrate on Interfacial Defects and Heat Affected Zone during Directed Energy Deposition" International Symposium on PRecision Engineering and Sustainable Manufacturing PRESM 2021,

Jongyoun Son, Gwangyong Shin, Kiyong Lee, Changhwan Choi, Dosik Shim, "High-temperature Properties of Hot-work Tool Steel (AISI H13) Deposited via Direct Energy Deposition" The 13th International Conference
on the Technology of Plasticity (ICTP2021), Vir

Seung Yeong Cho, Do Sik Shim, Min Seob Kim, Gyeong Yoon Baek, Sang Hu Park, “Effect of Surface Laser Remelting (SLR) on Additively Manufactured STS316L Surface” International Symposium on PRecision Engineering and Sustainable Manufacturing, PRESM 2020, Se

Hyun Sung Kang, Do Sik Shim, Gyeong Yoon Baek,. “Interface Bonding of M2 High-speed Tool Steel with AISI P21 Intermediate Layers Deposited on STD11 Substrate” International Symposium on PRecision Engineering and Sustainable Manufacturing, PRESM 2020, Seou

Tae Geon Kim, Do Sik Shim, Wook Jin Oh, Gwang Yong Shin, “Microstructure of Locally Deposited Region Threough Directed Energy Deposition for Repairing 630 Stainless Steel” International Symposium on PRecision Engineering and Sustainable Manufacturing, PRE

Ye Eun Jeong, Do Sik Shim, Gyeong Yoon Baek, “Evaluation of the Surface Properties of Fe-8Cr-3V-2Mo-2W Deposited through Directed Energy Deposition on an SCM420 Substrate” International Symposium on PRecision Engineering and Sustainable Manufacturing, PRE

M. S. Kim, Y. K. Cho, S. H. Park, D. S. Shim*, “Ultrasonic Nano Surface Modification for Improving Surface Quality of SUS316L built by Direct Energy Deposition,” 8th International Conference on Manufacturing, Machine Design and Tribology, April 24-27, 201

M. S. Kim, W. J. Oh, G. Y. Back, Y. K. Cho, K. Y. Lee, S. H. Park, D. S. Shim*, “Ultrasonic nano-crystal surface modification to high-speed tool steel deposited using direct energy deposition,” 3rd International Conference on Applied Surface Science, June

Wook Jin Oh, Min Seob Kim. Ye Eun Jeong.,Ki Yong Lee. Do Sik Shim*, “Effects of substrate preheating for suppressing crack formation in repairs using direct energy deposition (DED),” International Symposium on Precision Engineering and Sustainable Manufac

Seung Weon Yang, Yong Son, Seung Young Cho, Wook Jin Oh, Do Sik Shim*, “Effects of heat treatments on the mechanical properties of stainless steel 630 fabricated by laser melting deposition,” International Symposium on Precision Engineering and Sustainabl

Chan jin Kim, Min seob Kim, Yeong kwan Jo, Sang hu Park, Do sik Shim*, “Effects of Processing Path on Mechanical Properties in Ultrasonic Nanocrystal Surface Modification Technology,” International Symposium on Precision Engineering and Sustainable Manufa

Gwang yong Shin, Ki Yong Lee, Do Sik Shim, Young Chan Kim, Se Won Choi, Yu Mi Kim, “The Study of Soldering-Resistance Characteristics of IN718 Manufactured by Direct Energy Deposition Process in Aluminum Melt,” International Symposium on Precision Enginee

Gyeongyun Baek, Dosik Shim*, Gwangyong Shin, Kiyong Lee, “Evaluation of Mechanical Characteristic of HWS Tool Steel by Directed Energy Deposition ,” International Symposium on Precision Engineering and Sustainable Manufacturing (PRESM2019), July 10-13, 20

Minseob Kim, Dosik Shim*, Wookjin Oh , “Effect of Ultrasonic Nanocrystal Surface Modification on Wear-Resistance of HighSpeed Tool Steel deposited by Direct Energy Deposition,” International Symposium on Precision Engineering and Sustainable Manufacturing

Jongyoun Son, Hiseak Yoon, Kiyong Lee, Dosik Shim*, “Investigation into High Temperature Tensile Property of Heat-Resisting Alloy Deposited by Laser Melting Process,” International Symposium on Precision Engineering and Sustainable Manufacturing (PRESM201

Young Uk Gil, Yeong Kwan Jo, Jae Hyun Yu, Do Sik Shim, Young Sik Pyun, Sang Hu Park, “Ball-Burnishing and UNSM Treatment for Ultrahigh Wearproof Characteristics of SUS316,” International Symposium on Precision Engineering and Sustainable Manufacturing (PR

Gyeongyun Baek and Do Sik Shim, “Finite Element Simulation for Characterization of Laser Melting Deposition,” Proceedings of the 5th International Conference on Manufacturing Process Technology 2019 (ICMPT20119), Yanbian University in China, August 21 ~ 2

Jong bae Jeon, Wook Jin Lee, Sunmi Shin, Tae hoon Nam, Geon Woo PA가, Jae Hoon Jang Do Sik Shim, Ki-Yong Lee, “Unique microstructure and phase transformation behavior of high carbon tool steels deposited by direct energy deposition method,” International

Jong Youn Son, Gwang Yong Shin, Ki Yong Lee, Hi Seak Yoon, Do Sik Shim, “Optimization of DED process parameters for reduction of porosity on HTCS-150 deposition,” International Symposium on Innovation in Materials Processing 2019 (ISIMP 2019), Jeju in Kor

Gyeong Yun Baek, Gwang Yong Shin, Ki Yong Lee, Do Sik Shim, “Mechanical properties of tool steels with high wear resistance deposited via laser melting deposition,” Proceedings of the 7th International Congress on Science and Technology of Steelmaking (IC

Gwang Yong Shin, Ki Yong Lee, Do Sik Shim, “Investigation into Bead Shape Deposited on Inclined Substrate in Direct Energy Deposition Process,” Proceedings of International Symposium on Precision Engineering and Sustainable Manufacturing (PRESM2018), July

Jaye Seo, Do Sik Shim*, Hi Seak Yoon, Ki Yong Lee, “Deposition Characteristics of AlSi12 Powders Deposited by Direct Laser Melting,” Proceedings of International Symposium on Precision Engineering and Sustainable Manufacturing (PRESM2018), July 3-7, Sappo

Jong Youn Son, Do Sik Shim*, Hi Seak Yoon, Ki Yong Lee, “Investigation of Laser-melting Deposition of Heat-resisting Alloy Depending on Heat Treatment Conditions for Substrates,” Proceedings of International Symposium on Precision Engineering and Sustaina

Wook Jin Oh, Do Sik Shim*, Min Seob Kim, “Repairing of Powder-bed-fusion(PBF) Built SUS316L Parts by Direct Energy Deposition,” Proceedings of International Symposium on Precision Engineering and Sustainable Manufacturing (PRESM2018), July 3-7, Sapporo, J

W. J. Oh, D. S. Shim*, M. S. Kim, W. J. Lee, “Analysis of tensile properties of PBF built parts according to DED process repair thickness,” Physics and Mechanics of New Materials and Their Applications (PHENMA2018), August 9-11, Busan, Korea

M.S. Kim, W.J. Oh, Y.K. Cho, S.H. Park, D.S. Shim*, “Surface Properties of High Speed Steel Deposited by Direct Energy Deposition Process with Ultrasonic Nanocrystal Surface Modification,” Physics and Mechanics of New Materials and Their Applications (PHE

Yeong-Kwan Jo*, Jae-Hyun Yu*, Do-Sik Shim** and Sang-Hu Park, “Development of Multi-Layer Cladding Process for improving impact resistance using ALM process,” Proceedings of The 7th International Conference on Manufacturing, Machine Design and Tribology(I

Jaehyun Yu, Yeongkwan Jo, Dosik Shim and Sanghu Park, “Comparison of mechanical properties of casting part repaired by welding and additive metal-layer deposition,” Proceedings of The 7th International Conference on Manufacturing, Machine Design and Tribo

Gyeong Yun Baek*, Gwang Yong Shin**, Eun Mi Lee*, Jae Hyun Yu***, Ki Yong Lee**, Sang Hu Park***, and Do Sik Shim, “Hardfacing of Conventional Die with High-Speed Tool Steel (M4) Powder using Direct Energy Deposition and its Practical Application,” Procee

Eun Mi Lee, Seul Bi Lee, Jae Hyun Yu, Yoon Suk Choi, Sang Hu Park, Do Sik Shim, “A study on the laser-assisted deposition of mixed metal powder,” Proceedings of The 7th International Conference on Manufacturing, Machine Design and Tribology(ICMDT 2017), A

Seong Yeop Kang, Sung Moon Yang, Do Sik Shim, Sang Hu Park, “Conical Roll Bending and Twisting Process for Fabrication of a Metallic Spiral Wind Turbine Blade,” Proceedings of Asian Society for Precision Engineering and Nanotechnology (ASPEN2017), Nov. 14

Jaehyun Yu, Sanghu Park, Seulbi Lee, Yoonsuk Choi, Jongrea Cho and Dosik Shim, "Mechanical and Metallurgical Properties of Repaired Cast Iron Part using Direct Energy Deposition(DED) Process", International Symposium on Green Manufacturing and Application

Sung-moon Yang, Sang-hu Park2, Ho-seong Ji and Do-sik Shim, "Conical Roll Shaping Process for Fabrication of Spiral Wind Blade with Clothoid Curvature," International Symposium on Green Manufacturing and Applications (ISGMA 2016), pp.199

W. Lee, D-S.Shim, Y.Park and Y.Lee, “Finite element modeling of evolution of thermal residual stress in laser metal deposition process,” International Symposium on Novel and Nano Materials (ISNNM), July 3~July 8, 2016, Budapest, Hungary

Seulbi Lee, Yoon Suk Choi, Jae Hyun Yu, Sang Hu Park, Do-Sik Shim, Dae-Geun Nam, “Microstructures of Low-C and Medium-C Steel Powders Additively deposited on Cast Iron Using Directed Energy Deposition (DED) Technique,” Materials Science and Technology (MS

“Study on Development of Progressive-die for Automobile Structural Members with Advanced High Strength Steel(DP980)”, International Symposium on Green Manufacturing and Applications, Qingdao China, pp.125.

“Investigation into stretching force in stretch-forming process for manufacturing aluminum alloy(Al-5083) sheet with double curvatures”, International Symposium on Green Manufacturing and Applications, Qingdao China, pp.110.

“Development of a conical roll forming process for fabrication of multi-curvatures spiral surfaces”, 17th CSS-EEST, Japan, pp.207-208

Experimental study on manufacturing doubly curved plates using incremental rolling process,” in: Proc. the 9th International Conference on Technology of Plasticity, Gyeongju Korea, pp. 887-888

"Failure modes of metallic sandwich plates with pyramidal truss cores during U-bending,” in: Proc. the 9th International Conference on Technology of Plasticity, Gyeongju Korea, pp.1095-1100

“Finite element analysis of the incremental dual curvature vending of a plate in a line array roll set,” in: Proc. the 9th International Conference on Technology of Plasticity, Gyeongju Korea, pp.1065-1070

"Production of doubly curved ship hull plate by incremental roll forming process," in: Proc. Spring Meeting of Japan Society for Technology of Plasticity, Chiba Japan, pp.259-260.

“Process development and simulation for cold fabrication of doubly curved metal plate by using line array roll set,” in: Proc. Numiform2007, Portugal, pp. 865-870