◾ The Ohio State University, Materials Sci. and Eng., Ph.D, 2015.08
◾ 고려대학교, 신소재공학, 석사, 2011.02
◾ 고려대학교, 신소재공학, 학사, 2009.02

◾ 한국기계연구원, 선임연구원, 2016.11-2022.12
◾ 삼성전자 삼성반도체연구소, 책임연구원, 2015.10-2016.10
◾ 웹젠, 2004.01-2006.03

- Laser-materials interaction
- Laser surface engineering & welding
- Ultrashort laser micro/nano structuring
- Laser-assisted 3D printing
- Microstructure, mechanical properties, functional properties (Tribology, corrosion, gas sensing, etc.) characterizations

1. Jae-Hun Kim, Ali Mirzaei, Sang Sub Kim*, Changkyoo Park*, “Pt nanoparticle decoration on femtosecond laser-irradiated SnO2 nanowires for enhancing C7H8 gas sensing”, Sensors and Actuators B, 379 (2023) 133279
2. Hyoungwon Park, Jae-Hun Kim, Won-Sang Shin, Ali Mirzaei, Yoon-Jun Kim, Sang Sub Kim*, Marcus Halik*, Changkyoo Park*, “Facile strategy for advanced selectivity and sensitivity of SnO2 nanowire-based gas sensor using chemical affinity and femtosecond laser irradiation”, Sensors and Actuators B, 372 (2022) 132657
3. Won-Sang Shin, Sung-Il Baik, David N. Seidman, Kee-Ahn Lee, Changkyoo Park*, Yoon-Jun Kim*, “Analysis of antioxidation behavior of cryo-milled oxide-dispersion-strengthened ferritic steel incorporated with formation of Y–Ti–O(N) nano-precipitates”, Acta Materialia, 225 (2022) 117589
4. Hyun Jong Yoo, Seungwoo Baek, Jeoung Han Kim, Jiyeon Choi, Yoon-Jun Kim*, Changkyoo Park*, “Effect of laser surface cleaning of corroded 304L stainless steel on microstructure and mechanical properties”, Journal of Materials Research and Technology, 16 (2022) 373-385
5. Hyoungwon Park, Jae-Hun Kim, Dustin Vivod, Sungil Kim, Ali Mirzaei, Dirk Zahn, Changkyoo Park*, Sang Sub Kim*, Marcus Halik*, “Chemical-recognition-driven selectivity of SnO2-nanowire-based gas sensors”, Nano Today, 40 (2021) 101265
6. Jae-Hun Kim, Hyoungwon Park, Ali Mirzaei, Myung Gwan Hahm, Sanghoon Ahn, Marcus Halik, Changkyoo Park*, Sang Sub Kim*, “How femtosecond laser irradiation can affect the gas sensing behavior of SnO2 nanowires toward reducing and oxidizing gases”, Sensor and Actuator B, 342 (2021) 130036
7. Won-Sang Shin, Bongkuk Son, Wansu Song, Hyonkee Sohn, Ho Jang, Yoon-Jun Kim*, Changkyoo Park*,"Heat treatment effect on the microstructure, mechanical properties, and wear behaviors of stainless steel 316L prepared via selective laser melting”, Materials Science and Engineering A, 806 (2021) 140805
8. Changkyoo Park, Donghyuck Jung, Eun-Joon Chun, Sanghoon Ahn, Ho jang, Yoon-Jun Kim*, “Effect of laser shock peening without coating on fretting corrosion of copper contacts”, Applied Surface Science, 514 (2020) 145917
9. Eun-Joon Chun, Min-Su Kim, Hiroshi Nishikawa, ChangKyoo Park*, Jeong Suh, “Laser-assisted selective fusing of thermal sprayed Ni-based self-fluxing alloys by using high-power diode lasers”, Optics and Laser Technology, 100 (2018) 317-324
10. ChangKyoo Park, Ruipeng Xue, John J. Lannutti, Dave F. Farson*, “Ablation characteristics of electrospun core-shell nanofiber by femtosecond laser”, Materials Science and Engineering C, 65 (2016) 232-239

<최근 3년 논문 실적>

1. Soojin Choi, Jiyeon Choi, Changkyoo Park*, “Multivariate analysis-based laser-induced breakdown spectroscopy for monitoring of laser paint cleaning”, Applied Physics B, 129 (2023) 8
2. Jae-Hun Kim, Ali Mirzaei, Sang Sub Kim*, Changkyoo Park*, “Pt nanoparticle decoration on femtosecond laser-irradiated SnO2 nanowires for enhancing C7H8 gas sensing”, Sensors and Actuators B, 379 (2023) 133279
3. Soojin Choi, Changkyoo Park*, “Convolution neural network with laser-induced breakdown spectroscopy as a monitoring tool for laser cleaning process”, Sensors, 23 (2023) 83
4. Hyoungwon Park, Jae-Hun Kim, Won-Sang Shin, Ali Mirzaei, Yoon-Jun Kim, Sang Sub Kim*, Marcus Halik*, Changkyoo Park*, “Facile strategy for advanced selectivity and sensitivity of SnO2 nanowire-based gas sensor using chemical affinity and femtosecond laser irradiation”, Sensors and Actuators B, 372 (2022) 132657
5. Ha-My Hoang, Hyun Jong Yoo, Changkyoo Park, Jiyeon Choi, Sanghoon Ahn, Ji-Whan Noh*, “Portable wedge prism scanner for laser surface cleaning of corroded 304L stainless steel”, Optics Express, 30 (2022) 19639
6. Suwon Kim, PilGong Choi, Soo Jin Choi, Sang Bae Han, Jiyeon Choi, Jeng O Kim, Hyonkee Sohn, Sanghoon Ahn, Jiwhan Noh, Heeshin Kang, Kwangyun Jung, Dohyun Kim, Hyun-Deok Kim*, Changkyoo Park*, “Process optimization for dual laser beam joining for dissimilar plastics”, Korean Journal of Metals and Materials, 60 (2022) 432-439
7. Juyeon Seo, Seung Hyun Nam, Moonsang Lee, Jin-Young Kim, Seung Gyu Kim, Changkyoo Park, Dong-Woo Seo, Young Lae Kim, Sang Sub Kim*, Un Jeong Kim*, Myung Gwan Hahm*, “Gate-controlled gas sensor utilizing 1D–2D hybrid nanowires network”, iScience, 25 (2022) 103660
8. Hyun Jong Yoo, Seungwoo Baek, Jeoung Han Kim, Jiyeon Choi, Yoon-Jun Kim*, Changkyoo Park*, “Effect of laser surface cleaning of corroded 304L stainless steel on microstructure and mechanical properties”, Journal of Materials Research and Technology, 16 (2022) 373-385
9. Won-Sang Shin, Changkyoo Park*, Yoon-Jun Kim*, “Growth behaviors of aluminum nitride in steel during laser nitriding: Insights into interfacial energy and segregation throughout its growth habit”, Materials Characterization, 183 (2022) 111625
10. Won-Sang Shin, Sung-Il Baik, David N. Seidman, Kee-Ahn Lee, Changkyoo Park*, Yoon-Jun Kim*, “Analysis of antioxidation behavior of cryo-milled oxide-dispersion-strengthened ferritic steel incorporated with formation of Y–Ti–O(N) nano-precipitates”, Acta Materialia, 225 (2022) 117589
11. Ha-My Hoang, Soo Jin Choi, Changkyoo Park, Jiyeon Choi, Sanghoon Ahn, Ji-Whan Noh*, “Non-back-reflecting polygon scanner with applications in surface cleaning”, Optics Express, 29 (2021) 32939
12. Hyoungwon Park, Jae-Hun Kim, Dustin Vivod, Sungil Kim, Ali Mirzaei, Dirk Zahn, Changkyoo Park*, Sang Sub Kim*, Marcus Halik*, “Chemical-recognition-driven selectivity of SnO2-nanowire-based gas sensors”, Nano Today, 40 (2021) 101265
13. Won-Sang Shin, Dae-won Cho, Donghyuck Jung, Heeshin Kang, Jeng O Kim, Yoon-Jun Kim*, Changkyoo Park*, “Investigation on laser welding of Al ribbon to Cu sheet: weldability, microstructure, and mechanical and electrical properties”, Metals, 11 (2021) 831
14. Jae-Hun Kim, Hyoungwon Park, Ali Mirzaei, Myung Gwan Hahm, Sanghoon Ahn, Marcus Halik, Changkyoo Park*, Sang Sub Kim*, “How femtosecond laser irradiation can affect the gas sensing behavior of SnO2 nanowires toward reducing and oxidizing gases”, Sensor and Actuator B, 342 (2021) 130036
15. Won-Sang Shin, Ahjin Sim, Seungwoo Baek, Soo Jin Choi, Heeshin Kang, Yoon-Jun Kim*, Changkyoo Park*, “Microstructural characterizations and wear and corrosion behaviors of laser-nitrided NAK80 mold steel”, Surface and Coatings Technology, 410 (2021) 126956
16. Won-Sang Shin, Bongkuk Son, Wansu Song, Hyonkee Sohn, Ho Jang, Yoon-Jun Kim*, Changkyoo Park*,” Heat treatment effect on the microstructure, mechanical properties, and wear behaviors of stainless steel 316L prepared via selective laser melting”, Materials Science and Engineering A, 806 (2021) 140805
17. Won-Sang Shin, Hyun Jong Yoo, Jeoung Han Kim, Jiyeon Choi, Eun-Joon Chun*, Changkyoo Park*, Yoon-Jun Kim*, “Effect of laser heat-treatment and laser nitriding on the microstructural evolutions and wear behaviors of AISI P21 mold steel”, Metals, 10 (2020) 1487
18. Sungil Kim, Jeongtae Kim, Yeun-Ho Joung, Sanghoon Ahn, Changkyoo Park, Jiyeon Choi*, Chiwan Koo*, “Monolithic 3D micromixer with an impeller for glass microfluidic systems”, Lab on a Chip, 20 (2020) 4474-4485
19. Sanghoon Ahn*, JiHyun Kim, Dongkeun Lee, Changkyoo Park, Christian Zander, Seok-Young Ji, Won Seok Chang, “Enhancement of electrical conductivity during the femtosecond laser trimming process for OLED repair”, Optics and Lasers in Engineering, 137 (2020) 106381
20. Kyeong-Min Kim, Ye-Seon Jeong, Ahjin Sim, Wonah Park, Changkyoo Park, Eun-Joon Chun*, “Effect of Post-clad heat treatment on microstructures and mechanical properties of Cu–NiCrBSi dissimilar laser clads”, Korean Journal of Materials Research, 30 (2020) 465-473
21. Won-Sang Shin, ChangKyoo Park (Co-first), Juyeon Seo, Dong-Hyuck Jung, Eun Choi, Moonsang Lee, Un Jeong Kim, Myung Gwan Hahm*, Yoon-Jun Kim*, “Tribological characteristics of atomic-scale niobium diselenide grown via chemical vapor deposition”, Applied Physics Express, 13 (2020) 105004
22. Donghyuck Jung, ChangKyoo Park (Co-first), Eun-Joon Chun, Yoon-Jun Kim*, “Improvement of wear resistance in laser shock-peened copper contacts”, Korean Journal of Metals and Materials, 58 (2020) 560-565
23. Changkyoo Park, Donghyuck Jung, Eun-Joon Chun, Sanghoon Ahn, Ho jang, Yoon-Jun Kim*, “Effect of laser shock peening without coating on fretting corrosion of copper contacts”, Applied Surface Science, 514 (2020) 145917
24. Eun-Joon Chun, Changkyoo Park, Wonah Park*, “Study on the selective surface modification of injection mold steels by laser materials processing: relationship between AlN formation and surface hardening during laser nitriding”, Korean Journal of Metals and Materials, 58 (2020) 32-40
25. Changkyoo Park, Jung-Hoon Lee, Nam-Hyun Kang, Eun-Joon Chun*, “Correlation between microstructure and tribological properties of laser surface heat-treated stellite coatings”, Coatings, 10 (2020) 433
26. Changkyoo Park, Eun-Joon Chun*, “Influence of laser-assisted fusing on microstructural evolution and tribological properties of NiWCrSiB coating”, Metals, 10 (2020) 548

◾ 유리 용접 시스템, 대한민국, 등록번호: 10-2306876
◾ 식각 장치 및 이를 포함하는 인터포저 제조 시스템, 대한민국, 등록번호: 10-2423292
◾ 마이크로 믹서, 대한민국, 등록번호: 10-2389390

◾ 대한금속재료학회, 마찰마모 분과, 총무 간사
◾ 대한용접접합학회, 고에너지위원회, 총무 간사