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Title: Room temperature mechanical properties of electron beam welded zircaloy-4 sheet

Abstract

Room temperature mechanical properties of electron beam welded and plain Zircaloy-4 sheet (1.6mm thick) have been measured and compared. Various welding parameters were utilized to join sheet material. Electron beam welded specimens and as-received sheet specimens show comparable mechanical properties. Zr-4 sheet displays anisotropy; tensile properties measured for transverse display higher elastic modulus, yield strength, reduction of area and slightly lower ductility than for the longitudinal (rolling direction). Higher welding power increases the alloy’s hardness, elastic modulus and yield strength, with a corresponding decrease in tensile strength and ductility. The hardness measured at weld is comparable to the parent metal hardness. Hardness at heat-affected-zone is slightly higher. Electron microscopic examination shows distinct microstructure morphology and grain size at the weld zone, HAZ and parent metal. A correlation between welding parameters, mechanical properties and microstructural features was established for electron beam welded Zircaloy-4 sheet material.

Authors:
 [1];  [1];  [1];  [1];  [1];  [2]
+ Show Author Affiliations
  1. Idaho National Lab. (INL), Idaho Falls, ID (United States)
  2. Univ. of Syiah Kuala, Banda Aceh (Indonesia)
Publication Date:
Research Org.:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1357613
Alternate Identifier(s):
OSTI ID: 1410841
Report Number(s):
INL/JOU-16-38061
Journal ID: ISSN 0924-0136; PII: S0924013616303752
Grant/Contract Number:  
AC07-05ID14517
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Materials Processing Technology
Additional Journal Information:
Journal Volume: 241; Journal Issue: C; Journal ID: ISSN 0924-0136
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; Electron beam welding; Mechanical properties; Microstructure; Transient Reactor Testing Facility (TREAT) Low-Enr; Zircaloy-4 cladding

Citation Formats

Parga, C. J., Rooyen, I. J., Coryell, B. D., Lloyd, W. R., Valenti, L. N., and Usman, H. Room temperature mechanical properties of electron beam welded zircaloy-4 sheet. United States: N. p., 2017. Web. doi:10.1016/j.jmatprotec.2016.11.001.
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Parga, C. J., Rooyen, I. J., Coryell, B. D., Lloyd, W. R., Valenti, L. N., & Usman, H. Room temperature mechanical properties of electron beam welded zircaloy-4 sheet. United States. https://doi.org/10.1016/j.jmatprotec.2016.11.001
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Parga, C. J., Rooyen, I. J., Coryell, B. D., Lloyd, W. R., Valenti, L. N., and Usman, H. Sat . "Room temperature mechanical properties of electron beam welded zircaloy-4 sheet". United States. https://doi.org/10.1016/j.jmatprotec.2016.11.001. https://www.osti.gov/servlets/purl/1357613.
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@article{osti_1357613,
title = {Room temperature mechanical properties of electron beam welded zircaloy-4 sheet},
author = {Parga, C. J. and Rooyen, I. J. and Coryell, B. D. and Lloyd, W. R. and Valenti, L. N. and Usman, H.},
abstractNote = {Room temperature mechanical properties of electron beam welded and plain Zircaloy-4 sheet (1.6mm thick) have been measured and compared. Various welding parameters were utilized to join sheet material. Electron beam welded specimens and as-received sheet specimens show comparable mechanical properties. Zr-4 sheet displays anisotropy; tensile properties measured for transverse display higher elastic modulus, yield strength, reduction of area and slightly lower ductility than for the longitudinal (rolling direction). Higher welding power increases the alloy’s hardness, elastic modulus and yield strength, with a corresponding decrease in tensile strength and ductility. The hardness measured at weld is comparable to the parent metal hardness. Hardness at heat-affected-zone is slightly higher. Electron microscopic examination shows distinct microstructure morphology and grain size at the weld zone, HAZ and parent metal. A correlation between welding parameters, mechanical properties and microstructural features was established for electron beam welded Zircaloy-4 sheet material.},
doi = {10.1016/j.jmatprotec.2016.11.001},
journal = {Journal of Materials Processing Technology},
number = C,
volume = 241,
place = {United States},
year = {Sat Nov 04 00:00:00 EDT 2017},
month = {Sat Nov 04 00:00:00 EDT 2017}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1016/j.jmatprotec.2016.11.001
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Works referenced in this record:

Investigation of Grain-Scale Stresses and Modeling of Tensile Deformation in a ZIRCALOY-4 Weldment
journal, September 2007

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The influence of crystallographic texture and interstitial impurities on the mechanical behavior of zirconium
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Evolution of textures in zirconium alloys deformed uniaxially at elevated temperatures
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Optimization of the heating source in electron beam welding of zirconium pipes
journal, April 2013

Electron-Beam Welding for Pure Zirconium and Zircaloy-2 Alloy [ジルコニウムおよびジルカロイ-2合金の電子ビーム溶接に関する研究]
journal, January 1962

  • Suzuki, Haruyoshi; Hashimoto, Tatsuya; Matsuda, Hukuhisa
  • Journal of the Japan Welding Society, Vol. 31, Issue 1
  • DOI: 10.2207/qjjws1943.31.44

Microstructure and corrosion behavior of Zr-702 joined by electron beam welding
journal, November 2015

Accident tolerant fuels for LWRs: A perspective
journal, May 2014

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    Electron Beam Welding of Nimonic 80A Superalloy: Microstructure Evolution and EBSD Study After Aging Heat Treatment
    journal, January 2019

    • Zhang, Hong; Li, Peidong; Wang, Qingyuan
    • Journal of Materials Engineering and Performance, Vol. 28, Issue 2
    • DOI: 10.1007/s11665-018-3817-5
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