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- Kim, Ji Hyun
- UNIST Nuclear Innovative Materials Lab.
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Development of probabilistic primary water stress corrosion cracking initiation model for alloy 182 welds considering thermal aging and cold work effects
- Author(s)
- Park, Jae Phil, Yoo, Seung Chang, Kim, Ji Hyun, Bahn, Chi Bum
- Issued Date
- 2021-06
- Citation
- NUCLEAR ENGINEERING AND TECHNOLOGY, v.53, no.6, pp.1909 - 1923
- Abstract
- We experimentally investigated the effects of thermal aging and cold work on the microstructure, mechanical properties, and primary water stress corrosion cracking (PWSCC) initiation time for Alloy 182 welds. The effects of thermal aging and cold work on the PWSCC initiation time of Alloy 182 were modeled based on the plastic energy concept and the PWSCC initiation data of this study and previous reports by considering censored data. Based on the results, it is estimated that the PWSCC resistance of the Alloy 182 weld firstly increases and then decreases with thermal aging time when the applied stress is kept constant. (c) 2020 Korean Nuclear Society, Published by Elsevier Korea LLC. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
- Publisher
- KOREAN NUCLEAR SOC
- ISSN
- 1738-5733
- Keyword (Author)
- PWSCC Initiation, Thermal aging, Cold rolling, Probabilistic model
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