Topic
Stress corrosion cracking
About: Stress corrosion cracking is a research topic. Over the lifetime, 11340 publications have been published within this topic receiving 138157 citations.
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01 Jan 1964
TL;DR: In this article, it is shown that the relative time dependencies of film growth and plastic straining of the underlying metal determine whether or not cracking will occur, but the quantification of such a model has not yet resulted in accurate prediction of the limiting plastic strain rate.
Abstract: Environment sensitive crack growth by dissolution related mechanisms is capable of prediction on the basis of appropriate electrochemical measurements that define the potential ranges for cracking and the upper bound crack velocities for potent environments. Where the cracking environment is locally generated from an innocuous bulk environment predictability is more difficult, but there are the beginnings of indications of correlations between pitting propensity and the incidence of cracking in such circumstances. There is now sufficient data for a variety of systems to show that the relative time dependencies of film growth and plastic straining of the underlying metal determine whether or not cracking will occur, but the quantification of such a model has not yet resulted in accurate prediction of the limiting plastic strain rate. This is probably because little is yet known about the details of the conditions at crack tips. For intergranular cracking it is likely that chemical heterogeneity at the grain boundaries will play a critical role, but little is known about why segregating species facilitate cracking in such regions. Similarly, in relation to transgranular cracking, the initiation of the latter at emergent slip steps suggests a critical role for plastic strain, but the reasons for the localized embrittlement of the metal in the crack tip region remain to be elucidated.
64 citations
TL;DR: Analyse du potentiel de corrosion de l'acier inoxydable type 304 sensibilite mis sous contraintes dans des solutions contenant de loxygene.
Abstract: Analyse du potentiel de corrosion de l'acier inoxydable type 304 sensibilite mis sous contraintes dans des solutions contenant de l'oxygene. Determination de la relation entre les fluctuations de potentiel et l'amorcage de la fissuration
64 citations
TL;DR: In this paper, the authors introduce the term strain-induced corrosion cracking (SICC) to describe crack formation involving dynamic straining, but in the absence of obvious, cyclic loading.
64 citations
TL;DR: In this article, a film rupture model for aqueous stress corrosion cracking is developed and used to predict kinetics of crack growth under constant and variable stress intensity factor, and the model predicts that creep is necessary for sustained crack growth and creep rate limits crack velocity for constant K and dK/da loading.
64 citations
TL;DR: In this paper, the authors present an overview of the dissimilar welded joint's microstructure and mechanical behavior, and the effect of intermetallic phases such as sigma phase, FCC carbides like (M23C6, M6C, and M7C3), laves phase, R and χ-phase, Z-phase on the mechanical property of dissimilar welding joints of each material are reviewed in detail.
64 citations