Stress corrosion crack initiation testing with tapered specimens in high-temperature water–results of a collaborative research project

Rik Wouter Bosch; Stefan Ritter; Matthias Herbst; Renate Kilian; M. Grace Burke; Jonathan Duff; Fabio Scenini; Yuchen Gu; Alice Dinu; Ulla Ehrnstén; Aki Toivonen; Radek Novotny; Oliver Martin; Francisco Javier Perosanz; Andraž Legat; Bojan Zajec

doi:10.1080/1478422X.2020.1815460

Stress corrosion crack initiation testing with tapered specimens in high-temperature water–results of a collaborative research project

Rik Wouter Bosch^*, Stefan Ritter, Matthias Herbst, Renate Kilian, M. Grace Burke, Jonathan Duff, Fabio Scenini, Yuchen Gu, Alice Dinu, Ulla Ehrnstén, Aki Toivonen, Radek Novotny, Oliver Martin, Francisco Javier Perosanz, Andraž Legat, Bojan Zajec

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

The applicability of an accelerated test technique using tapered tensile specimens for investigating the stress corrosion crack (SCC) initiation behaviour of structural materials in high-temperature water was assessed in the framework of a European collaborative research project (MICRIN–MItigation of CRack INitiation). The main advantage of using a tapered geometry is, that in a single test a stress gradient is obtained through the gauge length, and therefore a stress threshold for SCC initiation can be determined in a reasonable timeframe. This method was used to investigate two different materials that were known to be susceptible to SCC in light water reactor environment: a high-Si stainless steel and a Ni-base weld metal (Alloy 182). The results of the international test programme confirmed that the tapered specimen test methodology could be used to identify a SCC initiation stress threshold, albeit that significant scatter was present in the data.

Original language	English
Pages (from-to)	103-118
Journal	Corrosion Engineering Science and Technology
Volume	56
Issue number	2
DOIs	https://doi.org/10.1080/1478422X.2020.1815460
Publication status	Published - 2021
MoE publication type	A1 Journal article-refereed

Funding

ENGIE Electrabel is gratefully acknowledged for providing the Alloy 182 test material. The research leading to these results was partly funded by the European Atomic Energy Community’s (Euratom) Seventh Framework Programme FP7/2007-2013 under grant agreement No. 604965. The NUGENIA Association (currently the SNETP Association) is acknowledged for providing a framework for collaborative research under which this work was carried out.

Keywords

Alloy 182
crack initiation
high-temperature water
light water reactors
stainless steel
Stress corrosion cracking
tapered specimens

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10.1080/1478422X.2020.1815460

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Bosch, R. W., Ritter, S., Herbst, M., Kilian, R., Burke, M. G., Duff, J., Scenini, F., Gu, Y., Dinu, A., Ehrnstén, U., Toivonen, A., Novotny, R., Martin, O., Perosanz, F. J., Legat, A., & Zajec, B. (2021). Stress corrosion crack initiation testing with tapered specimens in high-temperature water–results of a collaborative research project. Corrosion Engineering Science and Technology, 56(2), 103-118. https://doi.org/10.1080/1478422X.2020.1815460

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title = "Stress corrosion crack initiation testing with tapered specimens in high-temperature water–results of a collaborative research project",

abstract = "The applicability of an accelerated test technique using tapered tensile specimens for investigating the stress corrosion crack (SCC) initiation behaviour of structural materials in high-temperature water was assessed in the framework of a European collaborative research project (MICRIN–MItigation of CRack INitiation). The main advantage of using a tapered geometry is, that in a single test a stress gradient is obtained through the gauge length, and therefore a stress threshold for SCC initiation can be determined in a reasonable timeframe. This method was used to investigate two different materials that were known to be susceptible to SCC in light water reactor environment: a high-Si stainless steel and a Ni-base weld metal (Alloy 182). The results of the international test programme confirmed that the tapered specimen test methodology could be used to identify a SCC initiation stress threshold, albeit that significant scatter was present in the data.",

keywords = "Alloy 182, crack initiation, high-temperature water, light water reactors, stainless steel, Stress corrosion cracking, tapered specimens",

author = "Bosch, {Rik Wouter} and Stefan Ritter and Matthias Herbst and Renate Kilian and Burke, {M. Grace} and Jonathan Duff and Fabio Scenini and Yuchen Gu and Alice Dinu and Ulla Ehrnst{\'e}n and Aki Toivonen and Radek Novotny and Oliver Martin and Perosanz, {Francisco Javier} and Andra{\v z} Legat and Bojan Zajec",

note = "Funding Information: ENGIE Electrabel is gratefully acknowledged for providing the Alloy 182 test material. The research leading to these results was partly funded by the European Atomic Energy Community{\textquoteright}s (Euratom) Seventh Framework Programme FP7/2007-2013 under grant agreement No. 604965. The NUGENIA Association (currently the SNETP Association) is acknowledged for providing a framework for collaborative research under which this work was carried out. Funding Information: ENGIE Electrabel is gratefully acknowledged for providing the Alloy 182 test material. The research leading to these results was partly funded by the European Atomic Energy Community?s (Euratom) Seventh Framework Programme FP7/2007-2013 under grant agreement No. 604965. The NUGENIA Association (currently the SNETP Association) is acknowledged for providing a framework for collaborative research under which this work was carried out. The financial contribution from the following organisations is also acknowledged: Slovenian Research Agency through the research programme No. P2-0273 (participated in the funding of ZAG research) Swiss Federal Nuclear Safety Inspectorate (ENSI) SAFIR 2018 programme (participated in the funding of the VTT-research) ENGIE Publisher Copyright: {\textcopyright} 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.",

year = "2021",

doi = "10.1080/1478422X.2020.1815460",

language = "English",

volume = "56",

pages = "103--118",

journal = "Corrosion Engineering Science and Technology",

issn = "1478-422X",

publisher = "Universit{\'e} du Qu{\'e}bec {\`a} Montr{\'e}al",

number = "2",

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Bosch, RW, Ritter, S, Herbst, M, Kilian, R, Burke, MG, Duff, J, Scenini, F, Gu, Y, Dinu, A, Ehrnstén, U, Toivonen, A, Novotny, R, Martin, O, Perosanz, FJ, Legat, A & Zajec, B 2021, 'Stress corrosion crack initiation testing with tapered specimens in high-temperature water–results of a collaborative research project', Corrosion Engineering Science and Technology, vol. 56, no. 2, pp. 103-118. https://doi.org/10.1080/1478422X.2020.1815460

TY - JOUR

T1 - Stress corrosion crack initiation testing with tapered specimens in high-temperature water–results of a collaborative research project

AU - Bosch, Rik Wouter

AU - Ritter, Stefan

AU - Herbst, Matthias

AU - Kilian, Renate

AU - Burke, M. Grace

AU - Duff, Jonathan

AU - Scenini, Fabio

AU - Gu, Yuchen

AU - Dinu, Alice

AU - Ehrnstén, Ulla

AU - Toivonen, Aki

AU - Novotny, Radek

AU - Martin, Oliver

AU - Perosanz, Francisco Javier

AU - Legat, Andraž

AU - Zajec, Bojan

N1 - Funding Information: ENGIE Electrabel is gratefully acknowledged for providing the Alloy 182 test material. The research leading to these results was partly funded by the European Atomic Energy Community’s (Euratom) Seventh Framework Programme FP7/2007-2013 under grant agreement No. 604965. The NUGENIA Association (currently the SNETP Association) is acknowledged for providing a framework for collaborative research under which this work was carried out. Funding Information: ENGIE Electrabel is gratefully acknowledged for providing the Alloy 182 test material. The research leading to these results was partly funded by the European Atomic Energy Community?s (Euratom) Seventh Framework Programme FP7/2007-2013 under grant agreement No. 604965. The NUGENIA Association (currently the SNETP Association) is acknowledged for providing a framework for collaborative research under which this work was carried out. The financial contribution from the following organisations is also acknowledged: Slovenian Research Agency through the research programme No. P2-0273 (participated in the funding of ZAG research) Swiss Federal Nuclear Safety Inspectorate (ENSI) SAFIR 2018 programme (participated in the funding of the VTT-research) ENGIE Publisher Copyright: © 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

PY - 2021

Y1 - 2021

N2 - The applicability of an accelerated test technique using tapered tensile specimens for investigating the stress corrosion crack (SCC) initiation behaviour of structural materials in high-temperature water was assessed in the framework of a European collaborative research project (MICRIN–MItigation of CRack INitiation). The main advantage of using a tapered geometry is, that in a single test a stress gradient is obtained through the gauge length, and therefore a stress threshold for SCC initiation can be determined in a reasonable timeframe. This method was used to investigate two different materials that were known to be susceptible to SCC in light water reactor environment: a high-Si stainless steel and a Ni-base weld metal (Alloy 182). The results of the international test programme confirmed that the tapered specimen test methodology could be used to identify a SCC initiation stress threshold, albeit that significant scatter was present in the data.

AB - The applicability of an accelerated test technique using tapered tensile specimens for investigating the stress corrosion crack (SCC) initiation behaviour of structural materials in high-temperature water was assessed in the framework of a European collaborative research project (MICRIN–MItigation of CRack INitiation). The main advantage of using a tapered geometry is, that in a single test a stress gradient is obtained through the gauge length, and therefore a stress threshold for SCC initiation can be determined in a reasonable timeframe. This method was used to investigate two different materials that were known to be susceptible to SCC in light water reactor environment: a high-Si stainless steel and a Ni-base weld metal (Alloy 182). The results of the international test programme confirmed that the tapered specimen test methodology could be used to identify a SCC initiation stress threshold, albeit that significant scatter was present in the data.

KW - Alloy 182

KW - crack initiation

KW - high-temperature water

KW - light water reactors

KW - stainless steel

KW - Stress corrosion cracking

KW - tapered specimens

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U2 - 10.1080/1478422X.2020.1815460

DO - 10.1080/1478422X.2020.1815460

M3 - Article

AN - SCOPUS:85090452027

SN - 1478-422X

VL - 56

SP - 103

EP - 118

JO - Corrosion Engineering Science and Technology

JF - Corrosion Engineering Science and Technology

IS - 2

ER -

Stress corrosion crack initiation testing with tapered specimens in high-temperature water–results of a collaborative research project

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