Creep of stainless steel under heat flux cyclic loading (500-1000°C) with different mechanical preloads in a vacuum environment using 3D-DIC

Yong Su; Zhiwei Pan; Yongpei Peng; Shenghong Huang; Qingchuan Zhang

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자료유형: 학술저널

저자정보: Yong Su (University of Science and Technology of China) Zhiwei Pan (University of Science and Technology of China) Yongpei Peng (University of Science and Technology of China) Shenghong Huang (University of Science and Technology of China) Qingchuan Zhang (University of Science and Technology of China)

저널정보: 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.24 No.6

발행연도: 2019.1

수록면: 759 - 768 (10page)

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In nuclear fusion reactors, the key structural component (i.e., the plasma-facing component) undergoes high heat flux cyclic loading. To ensure the safety of fusion reactors, an experimental study on the temperature-induced creep of stainless steel under heat flux cyclic loading was performed in the present work. The strains were measured using a stereo digital image correlation technique (3D-DIC). The influence of the heat haze was eliminated, owing to the use of a vacuum environment. The specimen underwent heat flux cycles (500°C-1000°C) with different mechanical preloads (0 kN, 10 kN, 30 kN, and 50 kN). The results revealed that, for a relatively large preload (for example, 50 kN), a single temperature cycle can induce a residual strain of up to 15000 

#digital image correlation #nuclear fusion #high temperature measurement #creep #vacuum chamber

참고문헌 (45)

참고문헌 신청

Dimitrios G. Aggelis / 2016 / Monitoring the failure mechanisms of a reinforced concrete beam strengthened by textile reinforced cement using acoustic emission and digital image correlation / Smart Structures and Systems, An International Journal 17(1):91~105

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