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Microstructural Changes and Magnetic Properties of Nanostructured Fe-Si-B-Cu Ribbon Cores Containing a Small Amount of Ca and Zr
Ca와 Zr을 소량 첨가한 나노결정 Fe-Si-B-Cu계 합금의 미세조직변화와 자기적특성
Su-Bong An, Su-Hwan Jang, Won-Wook Park, Keun-Yong Sohn
안수봉, 장수환, 박원욱, 손근용
Korean J. Met. Mater. 2021;59(3):168-176.   Published online 2021 Feb 19
DOI: https://doi.org/10.3365/KJMM.2021.59.3.168

Abstract
Nanocrystalline Fe-Si-B-Nb-Cu Finemet alloys show low saturation magnetic flux density compared to amorphous Fe-Si-B alloys. In the Fe-Si-B-Cu base amorphous alloys, Cu atoms form clusters which act as heterogeneous nucleation sites for α-Fe crystals. The addition of Ca element atoms, distributed along grain boundaries, helps inhibit grain growth and increase..... More

                           Cited By 1
Effects of Cooling Rate by Double Austenitizing Tempering Treatment on the Microstructure and Mechanical Properties in Low Alloy Steel
저합금강의 이중 오스테나이징 템퍼링에서 냉각 속도에 따른 미세조직 및 기계적 특성 변화
Gyeong-Hoo Kim, Jae-Ho Jang, Sung-Hwan Kim, Byung-Jun Kim, Keun-Yong Sohn, Dae-Geun Nam
김경후, 장재호, 김성환, 김병준, 손근용, 남대근
Korean J. Met. Mater. 2017;55(8):559-565.   Published online 2017 Aug 1
DOI: https://doi.org/10.3365/KJMM.2017.55.8.559

Abstract
Spent nuclear fuel is stored and transported in cask bodies, but they become embrittled with the passage of time resulting in lattice defects due to neutron irradiation. Cask bodies made by the quenching and tempering (QT) treatment are not safe and are hard to store because of embrittlement caused by..... More

      
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