Neutron imaging for metallurgical characteristics of iron products manufactured with ancient Korean iron making techniques

조성모; 김종열; 김태주; Hirotaka Sato; 허일권; 조남철

doi:https://doi.org/10.1016/j.net.2020.11.007

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자료유형: 학술저널

저자정보: 조성모 (공주대학교) 김종열 (한국원자력연구원) 김태주 (한국원자력연구원) Hirotaka Sato (Faculty of Engineering, Hokkaido University) 허일권 (진주박물관) 조남철 (공주대학교)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제5호

발행연도: 2021.5

수록면: 1,619 - 1,625 (7page)

DOI: https://doi.org/10.1016/j.net.2020.11.007

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This paper demonstrates the possible nondestructive analysis of iron artifacts’ metallurgical characteristicsusing neutron imaging. Ancient kingdoms of the Korean Peninsula used a direct smelting processfor ore smelting and iron bloom production; however, the use of iron blooms was difficult because oftheir low strength and purity. For reinforcement, iron ingots were produced through refining and forgewelding, which then underwent various processes to create different iron goods. To demonstrate thepotential analysis using neutron imaging, while ensuring artifacts’ safety, a sand iron ingot (SIeI) producedusing ancient traditional iron making techniques and a sand iron knife (SIeK) made of SIeI wereselected. SIeI was cut into 9 cm2, whereas the entirety of SIeK was preserved for analysis. SIeI was foundto have an average grain size of 3 mm, with observed a-Fe (ferrite) and pearlite with a body-centeredcubic (BCC) lattice structure. SIeK had a grain size of 1e3 mm, a-Ferrite on its backside, andmartensite with a body-centered tetragonal (BCT) structure on its blade. Results show that the sample’smetallurgical characteristics can be identified through neutron imaging only, without losing any part ofthe valuable artifacts, indicating applicability to cultural artifacts requiring complete preservation.

#Traditional iron making #Sand iron ingot #Sand iron knife #Neutron imaging #Nondestructive test #Culture artifact

참고문헌 (15)

참고문헌 신청

E. H. Lehmann / 2005 / Non-invasive studies of objects from cultural heritage / Nucl. Instrum. Methods A 542:68~75

F. C. de Beer / 2009 / Archaeology benefits from neutron tomography investigations in South Africa / Nucl. Instrum. Methods A 605:167~170

L. Jacobson / 2011 / Tomography imaging of South African archaeological and heritage stone and pottery objects / Nucl. Instrum. Methods A 651:240~243

N. Kardjilov / 2018 / Advances in neutron imaging / Mater. Today 21:652~672

B. A. Griesche / 2014 / Neutron imaging of hydrogen in iron and steel / Can. Metall. Q 54:38~42

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소속기관 공주대학교

주요연구분야 예술체육학 > 의상 공학 > 재료·에너지공학 > 원자력공학

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