![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/364608928/figure/fig1/AS:11431281097063531@1668420485588/The-band-contrast-map-of-the-PS-surface-in-the-view-of-the-transverse-direction-a-dp_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/364608928/figure/fig2/AS:11431281097044150@1668420485652/SEI-and-BSI-images-of-PS-specimens-after-phosphating_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/351982462/figure/fig4/AS:11431281078583259@1660123607070/a-b-SEM-and-c-d-e-BF-STEM-images-of-MC-on-SFs-in-the-rupture-test-specimen_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/361798013/figure/fig1/AS:1186980394205184@1660009587346/Phase-fractions-calculated-by-Thermo-Calc-software-TCFE91-database_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![According to this report, Heo Yoonjin has moved from Pledis to Source Music. She is expected to join Sakura and Kim Chae Won in the upcoming girl group and to make her According to this report, Heo Yoonjin has moved from Pledis to Source Music. She is expected to join Sakura and Kim Chae Won in the upcoming girl group and to make her](https://external-preview.redd.it/d1iCHK7r8r2M34MZxYK5MHCQFAg0aKi9xJVEI8au1Ak.jpg?auto=webp&s=257fca44941ba43cf672b2368e1f720956229221)
According to this report, Heo Yoonjin has moved from Pledis to Source Music. She is expected to join Sakura and Kim Chae Won in the upcoming girl group and to make her
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/347823356/figure/fig1/AS:1186332638494720@1659855150053/Microstructure-and-variation-of-the-chemical-composition-of-the-annealed-specimen-OS_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/330390246/figure/fig1/AS:11431281079106021@1660540019217/a-Engineering-stress-displacement-curves-b-Reduction-of-area-c-magnified_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/342768053/figure/fig1/AS:11431281079105911@1660539388699/FE-SEM-images-of-fracture-surfaces-of-Steel-A-a-b-c-RHT-d-e-f-RMT-tested-at-a_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/351982462/figure/fig2/AS:11431281078574542@1660123606849/BF-STEM-and-TEM-images-electron-diffraction-patterns-EDPs-and-EDS-spectra-of_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/346317596/figure/fig1/AS:1186333955489792@1659855464631/Deformed-microstructure-of-the-1100-ST-IA-RH-CP-sample-at-yielding-065-of-strain-a_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/351982462/figure/fig1/AS:11431281078574541@1660123606655/Monte-Carlos-simulation-result-for-interaction-depth-by-incident-electron-depending-on_Q320.jpg)
Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile
![Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile Yoon-Uk HEO | Professor (Associate) | Ph. D. | Pohang University of Science and Technology, Pohang | POSTECH | Graduate Institute of Ferrous Technology (GIFT) | Research profile](https://www.researchgate.net/profile/Yoon-Uk-Heo/publication/366444766/figure/fig1/AS:11431281111581111@1673078464926/Extracted-intensity-profiles-from-site-2-in-Fig-7c-to-e_Q320.jpg)