Study of microstructure, hydrogen solubility and corrosion of Ta-modified Zr-1Nb alloys for nuclear applications

P.A. Ferreirós; E.C. Savoy Polack; L.A. Lanzani; P.R. Alonso; D.P. Quirós; J.I. Mieza; E. Zelaya; Sandy Knowles; G.H. Rubiolo

doi:10.1007/978-3-030-92381-5_129

Study of microstructure, hydrogen solubility and corrosion of Ta-modified Zr-1Nb alloys for nuclear applications

P.A. Ferreirós, E.C. Savoy Polack, L.A. Lanzani, P.R. Alonso, D.P. Quirós, J.I. Mieza, E. Zelaya, Sandy Knowles, G.H. Rubiolo

Metallurgy and Materials

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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Abstract

Modified Zr–1Nb alloys with Ta additions is a potential strategy to improve structural alloys for nuclear reactors. The effects of Ta on microstructural stability and resistance to corrosion of Zr–1Nb alloys were systematically investigated and elucidated. The (α+ β) microstructure in Zr–1.05Nb, Zr–0.85Nb–0.20Ta, and Zr–0.85Nb–0.40Ta (wt.%) alloys were obtained with the following two thermomechanical processes after a water quenching from βZr: (a) annealed at 570 °C for 3840 h and (b) a combination of intermediate annealing temperatures and cold rolled steps. Quantitative EDS-TEM analysis together with DSC measurements were used to characterise the changes in phase compositions and the fraction of beta-phase precipitates. Hydrogen solubility was measured in alloys with the first annealed condition. The Ta additions increase the monotectic transformation temperature, improves the steam corrosion at 400 °C and 10 MPa up to 14 days, and decreases slightly the hydrogen solubility. The higher thermal microstructural stability compared to Ta-free Zr–1Nb alloys provides potential advantages for increases in operating temperature or acceleration of precipitation kinetics during thermomechanical processing.

Original language	English
Title of host publication	TMS 2022 151st Annual Meeting and Exhibition Supplemental Proceedings
Editors	The Minerals, Metals & Materials Society
Publisher	Springer
Pages	1352-1362
Number of pages	11
ISBN (Electronic)	9783030923815
ISBN (Print)	9783030923815, 9783030923808, 9783030923839
DOIs	https://doi.org/10.1007/978-3-030-92381-5_129
Publication status	Published - 7 Feb 2022
Event	TMS 2022 Annual Meeting & Exhibition - Anaheim Convention Center & Anaheim Marriott , Anaheim, United States Duration: 27 Feb 2022 → 3 Mar 2022

Publication series

Name	Minerals, Metals and Materials Series
ISSN (Print)	2367-1181
ISSN (Electronic)	2367-1696

Conference

Conference	TMS 2022 Annual Meeting & Exhibition
Country/Territory	United States
City	Anaheim
Period	27/02/22 → 3/03/22

Bibliographical note

Funding Information:
This study was supported by FonCyT, through PICT-2015-2267 and PICT-2018-01671 projects and by UNSAM, through PAI 2020-80020190200024SM project. P.A. Ferreirós & A.J. Knowles acknowledge funding from the UK Engineering and Physical Sciences Research Council (EPSRC) Grant EP/T01220X/1. The authors would also like to thank Jóhan Pauli Magnussen for his help with the phase equilibrium modelling.

Publisher Copyright:
© 2022, The Minerals, Metals & Materials Society.

Keywords

Corrosion
Hydrogen solubility
Phase transformation
Ta addition
Zr–Nb alloys

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Energy Engineering and Power Technology
Mechanics of Materials
Metals and Alloys
Materials Chemistry

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Ferreirós, P. A., Savoy Polack, E. C., Lanzani, L. A., Alonso, P. R., Quirós, D. P., Mieza, J. I., Zelaya, E., Knowles, S., & Rubiolo, G. H. (2022). Study of microstructure, hydrogen solubility and corrosion of Ta-modified Zr-1Nb alloys for nuclear applications. In T. M. M. . M. S. (Ed.), TMS 2022 151st Annual Meeting and Exhibition Supplemental Proceedings (pp. 1352-1362). (Minerals, Metals and Materials Series). Springer. https://doi.org/10.1007/978-3-030-92381-5_129

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title = "Study of microstructure, hydrogen solubility and corrosion of Ta-modified Zr-1Nb alloys for nuclear applications",

abstract = "Modified Zr–1Nb alloys with Ta additions is a potential strategy to improve structural alloys for nuclear reactors. The effects of Ta on microstructural stability and resistance to corrosion of Zr–1Nb alloys were systematically investigated and elucidated. The (α+ β) microstructure in Zr–1.05Nb, Zr–0.85Nb–0.20Ta, and Zr–0.85Nb–0.40Ta (wt.%) alloys were obtained with the following two thermomechanical processes after a water quenching from βZr: (a) annealed at 570 °C for 3840 h and (b) a combination of intermediate annealing temperatures and cold rolled steps. Quantitative EDS-TEM analysis together with DSC measurements were used to characterise the changes in phase compositions and the fraction of beta-phase precipitates. Hydrogen solubility was measured in alloys with the first annealed condition. The Ta additions increase the monotectic transformation temperature, improves the steam corrosion at 400 °C and 10 MPa up to 14 days, and decreases slightly the hydrogen solubility. The higher thermal microstructural stability compared to Ta-free Zr–1Nb alloys provides potential advantages for increases in operating temperature or acceleration of precipitation kinetics during thermomechanical processing.",

keywords = "Corrosion, Hydrogen solubility, Phase transformation, Ta addition, Zr–Nb alloys",

author = "P.A. Ferreir{\'o}s and {Savoy Polack}, E.C. and L.A. Lanzani and P.R. Alonso and D.P. Quir{\'o}s and J.I. Mieza and E. Zelaya and Sandy Knowles and G.H. Rubiolo",

note = "Funding Information: This study was supported by FonCyT, through PICT-2015-2267 and PICT-2018-01671 projects and by UNSAM, through PAI 2020-80020190200024SM project. P.A. Ferreir{\'o}s & A.J. Knowles acknowledge funding from the UK Engineering and Physical Sciences Research Council (EPSRC) Grant EP/T01220X/1. The authors would also like to thank J{\'o}han Pauli Magnussen for his help with the phase equilibrium modelling. Publisher Copyright: {\textcopyright} 2022, The Minerals, Metals & Materials Society.; TMS 2022 Annual Meeting & Exhibition ; Conference date: 27-02-2022 Through 03-03-2022",

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language = "English",

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series = "Minerals, Metals and Materials Series",

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Ferreirós, PA, Savoy Polack, EC, Lanzani, LA, Alonso, PR, Quirós, DP, Mieza, JI, Zelaya, E, Knowles, S & Rubiolo, GH 2022, Study of microstructure, hydrogen solubility and corrosion of Ta-modified Zr-1Nb alloys for nuclear applications. in TMMMS (ed.), TMS 2022 151st Annual Meeting and Exhibition Supplemental Proceedings. Minerals, Metals and Materials Series, Springer, pp. 1352-1362, TMS 2022 Annual Meeting & Exhibition, Anaheim, California, United States, 27/02/22. https://doi.org/10.1007/978-3-030-92381-5_129

Study of microstructure, hydrogen solubility and corrosion of Ta-modified Zr-1Nb alloys for nuclear applications. / Ferreirós, P.A.; Savoy Polack, E.C.; Lanzani, L.A. et al.
TMS 2022 151st Annual Meeting and Exhibition Supplemental Proceedings. ed. / The Minerals, Metals & Materials Society. Springer, 2022. p. 1352-1362 (Minerals, Metals and Materials Series).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Study of microstructure, hydrogen solubility and corrosion of Ta-modified Zr-1Nb alloys for nuclear applications

AU - Ferreirós, P.A.

AU - Savoy Polack, E.C.

AU - Lanzani, L.A.

AU - Alonso, P.R.

AU - Quirós, D.P.

AU - Mieza, J.I.

AU - Zelaya, E.

AU - Knowles, Sandy

AU - Rubiolo, G.H.

N1 - Funding Information: This study was supported by FonCyT, through PICT-2015-2267 and PICT-2018-01671 projects and by UNSAM, through PAI 2020-80020190200024SM project. P.A. Ferreirós & A.J. Knowles acknowledge funding from the UK Engineering and Physical Sciences Research Council (EPSRC) Grant EP/T01220X/1. The authors would also like to thank Jóhan Pauli Magnussen for his help with the phase equilibrium modelling. Publisher Copyright: © 2022, The Minerals, Metals & Materials Society.

PY - 2022/2/7

Y1 - 2022/2/7

N2 - Modified Zr–1Nb alloys with Ta additions is a potential strategy to improve structural alloys for nuclear reactors. The effects of Ta on microstructural stability and resistance to corrosion of Zr–1Nb alloys were systematically investigated and elucidated. The (α+ β) microstructure in Zr–1.05Nb, Zr–0.85Nb–0.20Ta, and Zr–0.85Nb–0.40Ta (wt.%) alloys were obtained with the following two thermomechanical processes after a water quenching from βZr: (a) annealed at 570 °C for 3840 h and (b) a combination of intermediate annealing temperatures and cold rolled steps. Quantitative EDS-TEM analysis together with DSC measurements were used to characterise the changes in phase compositions and the fraction of beta-phase precipitates. Hydrogen solubility was measured in alloys with the first annealed condition. The Ta additions increase the monotectic transformation temperature, improves the steam corrosion at 400 °C and 10 MPa up to 14 days, and decreases slightly the hydrogen solubility. The higher thermal microstructural stability compared to Ta-free Zr–1Nb alloys provides potential advantages for increases in operating temperature or acceleration of precipitation kinetics during thermomechanical processing.

AB - Modified Zr–1Nb alloys with Ta additions is a potential strategy to improve structural alloys for nuclear reactors. The effects of Ta on microstructural stability and resistance to corrosion of Zr–1Nb alloys were systematically investigated and elucidated. The (α+ β) microstructure in Zr–1.05Nb, Zr–0.85Nb–0.20Ta, and Zr–0.85Nb–0.40Ta (wt.%) alloys were obtained with the following two thermomechanical processes after a water quenching from βZr: (a) annealed at 570 °C for 3840 h and (b) a combination of intermediate annealing temperatures and cold rolled steps. Quantitative EDS-TEM analysis together with DSC measurements were used to characterise the changes in phase compositions and the fraction of beta-phase precipitates. Hydrogen solubility was measured in alloys with the first annealed condition. The Ta additions increase the monotectic transformation temperature, improves the steam corrosion at 400 °C and 10 MPa up to 14 days, and decreases slightly the hydrogen solubility. The higher thermal microstructural stability compared to Ta-free Zr–1Nb alloys provides potential advantages for increases in operating temperature or acceleration of precipitation kinetics during thermomechanical processing.

KW - Corrosion

KW - Hydrogen solubility

KW - Phase transformation

KW - Ta addition

KW - Zr–Nb alloys

UR - https://www.tms.org/AnnualMeeting/TMS2022

UR - https://www.tms.org/portal/PUBLICATIONS/Proceedings___Other_Resources/Publish_in_TMS_Proceedings/portal/Publications/Proceedings___Other_Resources/Publish_in_TMS_Proceedings.aspx?hkey=8cfaec2a-80a0-4244-b4ac-2f0b60f2ae97

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U2 - 10.1007/978-3-030-92381-5_129

DO - 10.1007/978-3-030-92381-5_129

M3 - Conference contribution

SN - 9783030923815

SN - 9783030923808

SN - 9783030923839

T3 - Minerals, Metals and Materials Series

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BT - TMS 2022 151st Annual Meeting and Exhibition Supplemental Proceedings

A2 - null, The Minerals, Metals & Materials Society

PB - Springer

T2 - TMS 2022 Annual Meeting & Exhibition

Y2 - 27 February 2022 through 3 March 2022

ER -

Ferreirós PA, Savoy Polack EC, Lanzani LA, Alonso PR, Quirós DP, Mieza JI et al. Study of microstructure, hydrogen solubility and corrosion of Ta-modified Zr-1Nb alloys for nuclear applications. In TMMMS, editor, TMS 2022 151st Annual Meeting and Exhibition Supplemental Proceedings. Springer. 2022. p. 1352-1362. (Minerals, Metals and Materials Series). doi: 10.1007/978-3-030-92381-5_129

Study of microstructure, hydrogen solubility and corrosion of Ta-modified Zr-1Nb alloys for nuclear applications

Abstract

Publication series

Conference

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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