Recrystallization kinetics of cold-rolled U-10 wt% Mo

被引：15

作者：

Frazier, William E. ^{[1
]}

Hu, Shenyang ^{[1
]}

Overman, Nicole ^{[1
]}

Prabhakaran, Ramprashad ^{[1
]}

Lavender, Curt ^{[1
]}

Joshi, Vineet V. ^{[1
]}

机构：

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

来源：

JOURNAL OF NUCLEAR MATERIALS | 2019年 / 513卷

基金：

美国能源部;

关键词：

FISSION-INDUCED RECRYSTALLIZATION; STATIC RECRYSTALLIZATION; HEAT-TREATMENT; GRAIN-GROWTH; PHASE-CHANGE; GAMMA-PHASE; MICROSTRUCTURE; URANIUM; STEEL; DIFFRACTION;

D O I：

10.1016/j.jnucmat.2018.10.046

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Samples of U-10 wt%Mo (U-Mo) alloy were thermomechanically processed and annealed at 600 degrees C and 700 degrees C for periods lasting up to 8 h. Annealed microstructures were examined using electron back-scattered diffraction in order to estimate the completeness of recrystallization. Hardness measurements of the U-Mo samples were taken to further qualify the progress of recovery and recrystallization. This allowed us to evaluate the recrystallization activation energy and the recrystallization kinetics with a Johnson-Mehl-Avrami-Kolmogorov equation. The results show that the activation energy of recrystallization is approximately 100.6 +/- 23.1 kJ/mol. The mechanisms active in the recrystallization of cold-rolled U-10 wt% Mo are discussed in the context of these results. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：56 / 61

页数：6

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