Currently there are usable qualitative and quantitative prediction methodologies for stress corrosion and corrosion fatigue susceptibility in a variety of alloy / environment systems. The purpose of this review is to build on this positive aspect and to identify areas in which further attention to detail is required to improve on the existing capabilities. Such areas include, for instance, coherent approaches for defining, understanding and quantifying: initiation of cracks and their early growth rates; relevant crack tip environments; rate controlling steps in the appropriate crack tip reaction rates; the mode and extent of plasticity at strained crack tips, etc.

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