Multiscale Assessment of Deformation Induced by Hydrogen Environment-Assisted Cracking in a Peak-Aged Ni-Cu Superalloy
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DOI: 10.1007/s11837-020-04107-6
Abstract: A multiscale approach leveraging electron backscatter diffraction (S-EBSD), high resolution EBSD (HR-EBSD), and transmission electron microscopy (TEM) was employed to assess the deformation induced proximate to the crack path by hydrogen environment-assisted cracking (HEAC) in… read more here.
Keywords: peak aged; environment assisted; deformation induced; deformation ... See more keywords
Mechanistic models for environmentally-assisted cracking in sour service
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DOI: 10.1016/j.engfailanal.2017.05.005
Abstract: Abstract Environmentally-assisted cracking (EAC) of structural metal materials occurs by initiation and coalescence of micro cracks, subcritical crack propagation and multiple large crack formation or final failure under combination of material, stress and corrosive environment.… read more here.
Keywords: mechanistic models; models environmentally; environmentally assisted; sour service ... See more keywords
A Theory of Critical Distances based methodology for the analysis of environmentally assisted cracking in steels
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DOI: 10.1016/j.engfracmech.2019.04.004
Abstract: Abstract This paper provides a methodology, based on the Theory of Critical Distances (TCD), for the hydrogen embrittlement analysis of steels in cracked and notched conditions. The TCD has been successfully employed in fracture and… read more here.
Keywords: environmentally assisted; methodology; assisted cracking; critical distances ... See more keywords
Cohesive zone based axisymmetric modelling of hydrogen-assisted cracking in a circumferentially notched tensile specimen
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DOI: 10.1016/j.ijhydene.2018.04.188
Abstract: Abstract The paper presents an axisymmetric finite element model to study hydrogen-assisted cracking (HAC) in a circumferentially notched tensile (CNT) specimen of a high-strength steel. The model includes an axisymmetric 2-D stress analysis coupled with… read more here.
Keywords: circumferentially notched; notched tensile; hydrogen; model ... See more keywords
Sulfate-reducing bacteria-assisted cracking
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DOI: 10.1515/corrrev-2018-0041
Abstract: Abstract Field and laboratory studies have verified that sulfate-reducing bacteria (SRB) can assist in cracking, but there is no comprehensive review in literature related to this research. In this paper, a mini-review was done giving… read more here.
Keywords: bacteria assisted; reducing bacteria; sulfate reducing; assisted cracking ... See more keywords
Effect of surface machining on the environmentally-assisted cracking of Alloy 182 and 316L stainless steel in light water reactor environments: results of the collaborative project MEACTOS
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DOI: 10.1515/corrrev-2022-0121
Abstract: Abstract The main objective of the EU-funded project mitigating environmentally-assisted cracking through optimisation of surface condition (MEACTOS) was to gain knowledge on the ability of different surface machining procedures to mitigate environmentally-assisted cracking (EAC) in… read more here.
Keywords: assisted cracking; water reactor; surface; environmentally assisted ... See more keywords