plastic zone evolution near a crack tip and its role in environmentally assisted cracking

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ID: 251992
2013
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Abstract
This paper analyzes the effects of crack tip plastic strains and compressive residual stresses, created by fatigue pre-cracking, on environmentally assisted cracking of pearlitic steel subjected to localized anodic dissolution and hydrogen assisted fracture. In both situations, cyclic crack tip plasticity improves the behavior of the steel. In the respective cases, the effects are supposed to be due to accelerated local anodic dissolution of the cyclic plastic zone (producing chemical crack blunting) or to the delay of hydrogen entry into the metal caused by residual compressive stresses, thus increasing the fracture load in aggressive environment.
Reference Key
toribio2013fratturaplastic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jesús Toribio;Viktor Kharin
Journal applied catalysis
Year 2013
DOI
10.3221/IGF-ESIS.25.18
URL
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