Phase-field modeling of void evolution and swelling in materials under irradiation

• 作 者: HENAGER Charles H Jr KHALEEL M
• 机 构: PacificNorthwestNationalLaboratory
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2011年5期
• 关键词: 相场模型 包壳材料 孔隙演化 肿胀 生长动力学 照射 演变 化学自由能 radiation void swelling vacancies interst
• 基金项目: This research was supported by the US Department of Energy＇s Nuclear Energy Advance Modeling and Simulation （NEAMS） Program in Pacific Northwest National Laboratory, which is operated by Battelle Memo

Void swelling is an important phenomenon observed in both nuclear fuels and cladding materials in operating nuclear reactors. In this work we develop a phase-field model to simulate void evolution and void volume change in irradiated materials. Important