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Analysis of Dimensional Change in Zr-2.5%Nb CANDU Pressure Tube Material aged at 300-400°C using Neutron Diffraction
300-400oC에서 시효 처리된 Zr-2.5%Nb CANDU 압력관 재료에서 중성자 회절을 이용한 dimensional change 분석
Jong Yeob Jung, Hyung Sub Kim, Sung Soo Kim, Young Suk Kim
정종엽, 김형섭, 김성수, 김영석
Korean J. Met. Mater. 2022;60(5):341-349.   Published online 2022 Apr 22
DOI: https://doi.org/10.3365/KJMM.2022.60.5.341

Abstract
The primary boundary of the CANDU reactor consists of Zr-2.5%Nb alloy pressure tubes and SA106 alloy feeder pipes. The pressure tubes are exposed to fast neutron (E>1Mev) irradiation during reactor operation, and experience dimensional changes. The actual dimensional change in the pressure tube during in-service operation is greater than the..... More

                        
Effects of Short Range Ordering on Aging Phenomenon in Zr-2.5%Nb Pressure Tube Material
단 범위 규칙 반응이 Zr-2.5%Nb 압력관 재료의 시효(aging) 현상에 미치는 영향
Sung Soo Kim, Young Suk Kim, Jong Yeob Jung
김성수, 김영석, 정종엽
Korean J. Met. Mater. 2018;56(7):479-489.   Published online 2018 Jul 5
DOI: https://doi.org/10.3365/KJMM.2018.56.7.479

Abstract
This study was conducted to investigate the effect of aging treatment from 300 °C to 420 °C on the mechanical properties of the pressure tube material at 310 °C, which is outlet temperature pressure tube in CANDU reactor. The short range ordering (SRO) phenomenon during aging process is confirmed by..... More

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