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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TL;DR: An extensive literature review as discussed by the authors covers environmental corrosion of mild steel and low alloy steels, pitting, interand transcryst, and corrosion at high temp. stress corrosion cracking of stainless steels and austenitic Mn steels.
Abstract: An extensive literature review, covering environmental corrosion of mild steel and low alloy steels, pitting, interand transcryst. stress corrosion cracking of stainless steels and austenitic Mn steels, and corrosion at high temp. A short section on corrosion prevention is included. The discussion gives a comprehensive review of the corrosion of welds in CrNi steels, with reference to heat treatment and delta-ferrite content. 266 references. -- AATA
203 citations
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TL;DR: In this article, the authors investigated the microstructure of deformed alloys which are susceptible to stress corrosion cracking and found that the mode of failure is strongly related to the dislocation distribution.
Abstract: The microstructure of deformed alloys which are susceptible to stress corrosion cracking has been investigated by transmission electron microscopy. It is found that the mode of failure is strongly related to the dislocation distribution. Alloys with a cellular arrangement of dislocation tangles have superior resistance to transgranular failure, whereas alloys containing planar groups of dislocations are generally more susceptible. In alloys, the active path for preferential electrochemical attack during transgranular stress corrosion cracking is associated with a continuous plane of disordered material which is created by the motion of dislocations through a matrix of short-range order. In superlattices, it is proposed that the active site for chemical attack is the antiphase boundary created during deformation by the accidental separation of superlattice dislocation pairs. The susceptibility of annealed, fully ordered single crystals to chemical embrittlement is predicted to depend on the contin...
202 citations
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TL;DR: In this article, the effect of microstructural changes in 304 austenitic stainless steel induced by the processes of gas tungsten arc welding (GTAW) and laser-beam welding (LBW) on the pitting and stress corrosion cracking (SCC) behaviors was investigated.
195 citations
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TL;DR: In this article, the methods available for predicting the occurrence of stress corrosion cracking are discussed in detail, and current decay measurements and potentiodynamic methods are considered in relation to kinetic factors controlling crack initiation and propagation.
194 citations
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TL;DR: In this paper, the basic rate equation from chemical reaction rate theory is modified to reflect physical and chemical processes which occur at crack tips, based on the assumption that the crack tip can be modelled as an elastic continuum, an assumption that is supported by a simple atomistic model of crack growth.
Abstract: At normal temperatures and pressures water is known to have a strong influence on the strength of ceramics and glasses. Behaving as a stress corrosion agent, water causes these materials to fail prematurely as a consequence of subcritical crack growth. A basic premise of this paper is that stress corrosion cracking of ceramics is a chemical process which involves a stress-enhanced chemical reaction between the water and the highly stressed ceramic near the crack tip. Plastic deformation is believed to play no role in this fracture process. After a brief survey of chemical reaction rate theory, the basic rate equation from this theory is modified to reflect physical and chemical processes which occur at crack tips. Modification of the rate equation is based on the assumption thatl the crack tip can be modelled as an elastic continuum, an assumption that is supported by a simple atomistic model of crack growth. When tested against experimental data collected on glass the theory was found to be consi...
190 citations