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Effect of Nb addition and Pre-strain on Hydrogen Embrittlement of Low-carbon Steels with Ferrite-pearlite Structure
페라이트-펄라이트 조직 저탄소강의 수소 취성에 미치는 Nb 첨가와 예비 변형의 영향
Seok-Woo Ko, Ji-Min Lee, Byoungchul Hwang
고석우, 이지민, 황병철
Korean J. Met. Mater. 2020;58(11):752-758.   Published online 2020 Oct 15
DOI: https://doi.org/10.3365/KJMM.2020.58.11.752

The effect of pre-strain on the hydrogen embrittlement of Nb-free and Nb-added low-carbon steels with ferrite-pearlite structure was investigated in this study. After the steels were electrochemically charged with hydrogen, slow-strain rate tensile (SSRT) tests were conducted on them to examine hydrogen embrittlement behavior. The SSRT test results revealed that..... More

A Review of Factors Influencing the Hydride Reorientation Phenomena in Zirconium Alloy Cladding During Long-Term Dry Storage
장기 건식저장 사용후핵연료 지르코늄 합금 피복관 내 수소화물 재배열 현상 영향 인자들에 대한 고찰
Ji-Min Lee, Ho-A Kim, Dong-Hak Kook, Yong-Soo Kim
이지민, 김호아, 국동학, 김용수
Korean J. Met. Mater. 2018;56(2):79-92.   Published online 2018 Feb 5
DOI: https://doi.org/10.3365/KJMM.2018.56.2.79

Zirconium-based alloys, widely used for nuclear fuel cladding, are highly susceptible to hydrideinduced embrittlement. The degree of the hydride embrittlement is strongly affected by not only its concentration but also its morphology. The hydride can drastically reduce the mechanical properties of the cladding, especially when it is radially precipitated. Recently..... More

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