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Gadolinium-Doped CeO₂ Gas Sensor for H₂S Sensing

Changhyun Jin, Sangwoo Kim, Dong Eung Kim, Ali Mirzaei, Jong Wook Roh, Sun-Woo Choi, Myung Sik Choi

Korean J. Met. Mater. 2023;61(6):414-421. Published online 2023 May 18
DOI: https://doi.org/10.3365/KJMM.2023.61.6.414

Abstract
Dihydrogen sulfide (H₂S) gas has a flammable nature and is one of the most toxic and dangerous gases. Even small concentrations can be fatal to humans. Herein, we investigated the H₂S gas-sensing features of commercial pristine cerium oxide (CeO₂ ) and gadolinium (Gd)-doped CeO₂ (GDC) nanoparticles. First, the sensing materials..... More

Web of Science 2 Crossref 3

A Study on the Microstructures and Mechanical Properties of Ni-Cr-Mo-V Low Alloy Steels
Ni-Cr-Mo-V계 저합금강의 미세조직과 기계적 특성에 관한 연구

Mu Geun Jo, Seong Hyeon Ryu, Kyung Il Kim, Dong Eung Kim, Jung In Kim, Kyung Taek Kim, Sang Sub Kim, Gue Serb Cho
조무근, 류성현, 김경일, 김동응, 김정인, 김경택, 김상섭, 조규섭

Korean J. Met. Mater. 2022;60(4):251-262. Published online 2022 Mar 28
DOI: https://doi.org/10.3365/KJMM.2022.60.4.251

Abstract
Ni-Cr-Mo-V steel alloys for high-speed railway brake discs were prepared to investigate the effect of alloying element contents on the microstructure and mechanical properties. The Cr, Mo, Mn alloying elements were incorporated into the steel alloys, which contained low carbon content in the range 0.16 wt.% ~ 0.21 wt.% to..... More

Web of Science 7 Crossref 7

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