Microstructure-process relationships in monolithic U-10Mo fuel foil single-pass rolling: A parametric simulation study

被引：3

作者：

Frazier, William E. ^{[1
]}

Li, Lei ^{[1
]}

Choi, Kyoo Sil ^{[1
]}

Fu, Yucheng ^{[1
]}

Xu, Zhijie ^{[1
]}

Joshi, Vineet ^{[1
]}

Soulami, Ayoub ^{[1
]}

机构：

[1] Pacific Northwest Natl Lab, 902 Battelle Blvd, Richland, WA 99354 USA

来源：

JOURNAL OF NUCLEAR MATERIALS | 2023年 / 576卷

关键词：

Simulation; Recrystallization; Grain Growth; U-10Mo; Potts Model; IRRADIATION-INDUCED RECRYSTALLIZATION; PARTICLE-STIMULATED NUCLEATION; MONTE-CARLO MODEL; KINETICS; TEMPERATURE; MO;

D O I：

10.1016/j.jnucmat.2023.154271

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A previously validated coupling of Kinetic Monte Carlo (KMC) Potts Model and finite element method (FEM) simulations was implemented to investigate the effects of microstructural features in as-cast and homogenized monolithic U-10Mo foils on the emergent microstructure after rolling and reheating. Param-eters that could potentially affect recrystallization behavior of the rolled U-10Mo foils were considered: grain size distribution, uranium carbide (UC) size distribution, UC volume fraction, spatial distribution of UC, and rolling reduction magnitude. Grain structure and the magnitude of rolling reduction have the strongest influence on recrystallization kinetics and the fabricated grain size distribution. The UC distri-bution had only a weak effect on the recrystallization kinetics and final microstructures. While particle -stimulated nucleation (PSN) occurred in simulation more frequently as grain size increased, its incidence did not appear to considerably affect the recrystallization kinetics or grain size distribution. (c) 2023 Published by Elsevier B.V.

引用

页数：13

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