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Evaluation of multiple stress corrosion crack interactions by in-situ Digital Image Correlation
Université de Lyon, France.
Université de Lyon, France.
Université de Lyon, France.
RISE - Research Institutes of Sweden, Material och produktion, KIMAB. (Institut de la Corrosion)
Vise andre og tillknytning
2017 (engelsk)Inngår i: Corrosion Science, ISSN 0010-938X, E-ISSN 1879-0496, Vol. 128, s. 120-129Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Digital Image Correlation (DIC), Acoustic Emission and Electrochemical Noise measurements were applied to study the growth of multiple intergranular cracks as a colony on an Alloy 600 in a tetrathionate solution. Cracks exceeding 55 μm in length and 0.45 μm in opening were successfully detected by DIC. Moreover, crack population was classified into initiating, active and dormant cracks, active population being the larger one. The emergence and intensification of interactions produced a modification on the colony growth behavior. They range from a mostly surface crack propagation (in the absence of interactions), to in depth propagation predominantly governed by crack shielding

sted, utgiver, år, opplag, sider
Elsevier Ltd , 2017. Vol. 128, s. 120-129
Emneord [en]
Acoustic emission, Crack interactions, Digital image correlation, Electrochemical noise, Multiple cracking, Stress corrosion cracking, Acoustic emissions, Acoustic noise, Corrosion, Cracks, Image analysis, Residual stresses, Strain measurement, Surface defects, Crack interaction, D. digital image correlation (DIC), Depth propagation, Digital image correlations, Electrochemical noise measurements, Intergranular crack, Acoustic emission testing
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Identifikatorer
URN: urn:nbn:se:ri:diva-40009DOI: 10.1016/j.corsci.2017.09.001OAI: oai:DiVA.org:ri-40009DiVA, id: diva2:1359428
Merknad

 Funding details: National Radio Research Agency, MATETPRO ANR-12-RMNP-0020; Funding text 1: The authors would like to acknowledge the National French Research Agency (ANR) for its financial support under contract MATETPRO ANR-12-RMNP-0020 (ECCOFIC project). The authors would like also to thank our partners AREVA, ANDRA and MISTRAS by their participation into the fruitful discussion during this work.

Tilgjengelig fra: 2019-10-09 Laget: 2019-10-09 Sist oppdatert: 2019-10-09bibliografisk kontrollert

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