Crack initiation in tapered high Si stainless steel specimens – stress threshold analyses

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Crack initiation in tapered high Si stainless steel specimens – stress threshold analyses. / Penders, Aäron; Konstantinovic, Milan; Bosch, Rik-Wouter; Schryvers, Dominique.

In: Corrosion Engineering, Science and Technology, Vol. 55, No. 8, 06.2020, p. 721-728.

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Penders, A, Konstantinovic, M, Bosch, R-W & Schryvers, D 2020, 'Crack initiation in tapered high Si stainless steel specimens – stress threshold analyses', Corrosion Engineering, Science and Technology, vol. 55, no. 8, pp. 721-728. https://doi.org/10.1080/1478422X.2020.1785651

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Penders, Aäron ; Konstantinovic, Milan ; Bosch, Rik-Wouter ; Schryvers, Dominique. / Crack initiation in tapered high Si stainless steel specimens – stress threshold analyses. In: Corrosion Engineering, Science and Technology. 2020 ; Vol. 55, No. 8. pp. 721-728.

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@article{a022245ec74b45f6b6bcf14bb4cefe59,
title = "Crack initiation in tapered high Si stainless steel specimens – stress threshold analyses",
abstract = "Tapered specimens were used for an accelerated test technique to study the crack initiation of high Si stainless steel by means of constant elongation rate tensile testing in a simulated pressurised water reactor environment. Detailed crack density distributions were obtained by applying an advanced crack detection algorithm on iteratively displaced scanning electron microscopy pictures featuring stress corrosion cracks along the specimen’s gauge length. By means of finite-element analysis, prominent peaks in the crack density graphs are demonstrated to be related to stress relief and stress build-up during the crack initiation phase. Intrinsic scatter related to the crack detection suggests that stress corrosion cracking is independent of the strain-rate for strain-rates lower than 10−6 s−1. Based on the extrapolation to constant load conditions, the critical threshold value for the duplex high Si stainless steel is estimated to be around 580 MPa.",
keywords = "Stress corrosion cracking, Tapered specimens, Stress threshold, Crack initiation, Finite element analysis",
author = "A{\"a}ron Penders and Milan Konstantinovic and Rik-Wouter Bosch and Dominique Schryvers",
note = "Score=10",
year = "2020",
month = "6",
doi = "10.1080/1478422X.2020.1785651",
language = "English",
volume = "55",
pages = "721--728",
journal = "Corrosion Engineering, Science and Technology",
issn = "1478-422X",
publisher = "Taylor & Francis (CRC)",
number = "8",

}

RIS - Download

TY - JOUR

T1 - Crack initiation in tapered high Si stainless steel specimens – stress threshold analyses

AU - Penders, Aäron

AU - Konstantinovic, Milan

AU - Bosch, Rik-Wouter

AU - Schryvers, Dominique

N1 - Score=10

PY - 2020/6

Y1 - 2020/6

N2 - Tapered specimens were used for an accelerated test technique to study the crack initiation of high Si stainless steel by means of constant elongation rate tensile testing in a simulated pressurised water reactor environment. Detailed crack density distributions were obtained by applying an advanced crack detection algorithm on iteratively displaced scanning electron microscopy pictures featuring stress corrosion cracks along the specimen’s gauge length. By means of finite-element analysis, prominent peaks in the crack density graphs are demonstrated to be related to stress relief and stress build-up during the crack initiation phase. Intrinsic scatter related to the crack detection suggests that stress corrosion cracking is independent of the strain-rate for strain-rates lower than 10−6 s−1. Based on the extrapolation to constant load conditions, the critical threshold value for the duplex high Si stainless steel is estimated to be around 580 MPa.

AB - Tapered specimens were used for an accelerated test technique to study the crack initiation of high Si stainless steel by means of constant elongation rate tensile testing in a simulated pressurised water reactor environment. Detailed crack density distributions were obtained by applying an advanced crack detection algorithm on iteratively displaced scanning electron microscopy pictures featuring stress corrosion cracks along the specimen’s gauge length. By means of finite-element analysis, prominent peaks in the crack density graphs are demonstrated to be related to stress relief and stress build-up during the crack initiation phase. Intrinsic scatter related to the crack detection suggests that stress corrosion cracking is independent of the strain-rate for strain-rates lower than 10−6 s−1. Based on the extrapolation to constant load conditions, the critical threshold value for the duplex high Si stainless steel is estimated to be around 580 MPa.

KW - Stress corrosion cracking

KW - Tapered specimens

KW - Stress threshold

KW - Crack initiation

KW - Finite element analysis

UR - https://ecm.sckcen.be/OTCS/llisapi.dll?func=ll&objId=43123562&objAction=download

U2 - 10.1080/1478422X.2020.1785651

DO - 10.1080/1478422X.2020.1785651

M3 - Article

VL - 55

SP - 721

EP - 728

JO - Corrosion Engineering, Science and Technology

JF - Corrosion Engineering, Science and Technology

SN - 1478-422X

IS - 8

ER -

ID: 7092545