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Title: Experimental determination of zirconium hydride precipitation and dissolution in zirconium alloy

Abstract

In this study, synchrotron X-Ray transmission diffraction experiments were performed to study hydride precipitation and dissolution in the zirconium/zirconium-hydride system while it occurs. Evidence was found that the hysteresis between the terminal solid solubility for precipitation and dissolution is not observed when hydride particles are already present at the beginning of sample cooldown. Additionally, experimental results show that, during a temperature hold, the concentration of hydrogen in solid solution becomes lower than the terminal solid solubility for hydride precipitation and eventually reaches the terminal solid solubility for hydride dissolution, indicating that the latter is the actual thermodynamic solubility limit.

Authors:
 [1];  [1];  [2]
  1. Pennsylvania State Univ., University Park, PA (United States). Department of Mechanical and Nuclear Engineering
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); USDOE Office of Nuclear Energy - Nuclear Energy University Programs (NEUP)
OSTI Identifier:
1481416
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Nuclear Materials
Additional Journal Information:
Journal Volume: 509; Journal Issue: C; Journal ID: ISSN 0022-3115
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Lacroix, E., Motta, A. T., and Almer, J. D. Experimental determination of zirconium hydride precipitation and dissolution in zirconium alloy. United States: N. p., 2018. Web. doi:10.1016/j.jnucmat.2018.06.038.
Lacroix, E., Motta, A. T., & Almer, J. D. Experimental determination of zirconium hydride precipitation and dissolution in zirconium alloy. United States. doi:10.1016/j.jnucmat.2018.06.038.
Lacroix, E., Motta, A. T., and Almer, J. D. Sat . "Experimental determination of zirconium hydride precipitation and dissolution in zirconium alloy". United States. doi:10.1016/j.jnucmat.2018.06.038. https://www.osti.gov/servlets/purl/1481416.
@article{osti_1481416,
title = {Experimental determination of zirconium hydride precipitation and dissolution in zirconium alloy},
author = {Lacroix, E. and Motta, A. T. and Almer, J. D.},
abstractNote = {In this study, synchrotron X-Ray transmission diffraction experiments were performed to study hydride precipitation and dissolution in the zirconium/zirconium-hydride system while it occurs. Evidence was found that the hysteresis between the terminal solid solubility for precipitation and dissolution is not observed when hydride particles are already present at the beginning of sample cooldown. Additionally, experimental results show that, during a temperature hold, the concentration of hydrogen in solid solution becomes lower than the terminal solid solubility for hydride precipitation and eventually reaches the terminal solid solubility for hydride dissolution, indicating that the latter is the actual thermodynamic solubility limit.},
doi = {10.1016/j.jnucmat.2018.06.038},
journal = {Journal of Nuclear Materials},
number = C,
volume = 509,
place = {United States},
year = {2018},
month = {6}
}

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