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Study of the corrosion and microstructure with annealing conditions of a β-quenched HANA-4 alloy |
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| Authors: | Hyun-Gil Kim Il-Hyun Kim Jeong-Yong Park Kyu-Tae Kim |
| Affiliation: | a Advanced Core Materials Lab, Korea Atomic Energy Research Institute, Daedeokdaero 1045, Yuseong, Daejeon 305-353, Republic of Korea b Energy & Environment System Eng. Dept., Dongguk University, 707 Seokjang-dong, Gyeongju, Gyeongbuk 780-714, Republic of Korea |
| Abstract: | The variation of microstructure and corrosion characteristics with the applied annealing conditions of a HANA-4 (Zr-1.5Nb-0.4Sn-0.2Fe-0.1Cr) alloy were studied by utilizing transmission electron microscopy and a corrosion test at 360 °C in a water environment. The samples were annealed at temperature ranges from 540 to 660 °C up to 16 h after β quenching at 1050 °C. The corrosion behaviour with the annealing conditions was divided into two groups following the second phase characteristics. The suitable annealing temperature to obtain good corrosion resistance in the HANA-4 alloy ranged from 570 to 600 °C. |
| Keywords: | A Zirconium B TEM C High temperature corrosion |
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