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Effects of Composition on the Electromagnetic Wave Shielding/Absorption and Corrosion in Zn-Ni Alloy Thin Film
조성에 따른 Zn-Ni 합금 박막의 전자파 차폐/흡수 특성 및 부식특성 연구

Jeongwook Lim, Yonghwan Kim, Yeonjoo Kim, Pungkeun Song, Ahram Kwon
임정욱, 김용환, 김연주, 송풍근, 권아람

Korean J. Met. Mater. 2022;60(1):62-67. Published online 2021 Dec 10
DOI: https://doi.org/10.3365/KJMM.2022.60.1.62

Abstract
In the Fourth industrial age, there is increasing use of electronic devices with high frequency (GHz) operating circuits for radio wave transmission/reception. This can lead to electromagnetic noise, and malfunctions in nearby devices. Electromagnetic shielding technology has emerged as an important way of preventing device malfunctions due to noise, and..... More

Web of Science 2 Crossref 2

Effect of Ni, C and Ti Addition on Shape Recovery Behavior and the Mechanical Properties of Fe-17Mn-5Si-5Cr Shape Memory Alloys
Fe-17Mn-5Si-5Cr 형상기억합금의 형상복원거동 및 기계적 특성에 미치는 Ni, Ti 및 C의 영향

Dohyoung Kim, Yonghwan Kim, Jeong-Jung Oak, Junghoon Lee, Chan Hee Park, Wookjin Lee, Yongho Park
김도형, 김용환, 옥정중, 이정훈, 박찬희, 이욱진, 박용호

Korean J. Met. Mater. 2020;58(10):660-671. Published online 2020 Oct 5
DOI: https://doi.org/10.3365/KJMM.2020.58.10.660

Abstract
Fe-Mn-Si based shape memory alloy is a new functional material that can be used to apply prestress to civil and structural components such as concrete structures. In this study, the effects of alloying elements Ni, C and Ti on the mechanical and shape memory properties of the alloy were investigated..... More

Web of Science 7 Crossref 7

Corrosion Characteristics of Plasma Electrolytic Oxidation Treated AZ31 Magnesium Alloy with an Increase of the Coating Thickness
AZ31 마그네슘 합금의 플라즈마전해 산화막 두께 성장에 따른 내식특성

Boeun Choi, Wonsub Chung, Yonghwan Kim
최보은, 정원섭, 김용환

Korean J. Met. Mater. 2020;58(2):87-96. Published online 2020 Jan 8
DOI: https://doi.org/10.3365/KJMM.2020.58.2.87

Abstract
The growth of the PEO coating with processing time on an AZ31B magnesium alloy in a dilute alkaline electrolyte containing silicate and the corrosion characteristics according to its thickness were investigated. The oxide film grew a porous outer layer mainly consisting of silicate with the spark discharge phenomenon from the..... More

Web of Science 2 Crossref 2

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