Stress corrosion crack initiation testing with tapered specimens in high-temperature water – Results of a collaborative research project
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Stress corrosion crack initiation testing with tapered specimens in high-temperature water – Results of a collaborative research project. / Bosch, Rik-Wouter; Ritter, Stefan; Herbst, Matthias ; Killan, Renate; Burke, M.Grace; Duff, Jonathan; Scenini, Fabio; Gu, Yuchen; Dinu, Alice; Ehrnstén, Ulla; Toivonen, Aki; Novotny, Radek; Martin, Oliver; Perosanz, Francisco-Javier; Legat, Andraz; Zajec, Bojan.
In: Corrosion Engineering, Science and Technology, 08.09.2020, p. 1-17.Research output: Contribution to journal › Article › peer-review
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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 - Killan, 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, Andraz
AU - Zajec, Bojan
N1 - Score=10
PY - 2020/9/8
Y1 - 2020/9/8
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 - Stress corrosion cracking
KW - Tapered specimens
KW - High-temperature water
KW - Crack initiation
KW - Alloy 182
KW - Stainless steel
KW - Light water reactors
UR - https://ecm.sckcen.be/OTCS/llisapi.dll/open/41677850
U2 - 10.1080/1478422X.2020.1815460
DO - 10.1080/1478422X.2020.1815460
M3 - Article
SP - 1
EP - 17
JO - Corrosion Engineering, Science and Technology
JF - Corrosion Engineering, Science and Technology
SN - 1478-422X
ER -
ID: 6956090