An insidious form of corrosion

Abstract

Often occuring with little or no visual indications of surface corrosion such as discolouration or the build up of products, stress corrosion cracking happens when three conditions have been satisfied: a high sustained surface tensile stress must be present; the surface of the part must be in an aggressive environment; and the material must be one which is susceptible to localized corrosion. Cracks formed in this way can extend for considerable lengths with time and as this happens, the residual strength of the part will gradually be reduced. Of particular concern is the deep propagation of these cracks in a thick part of a component with very small surface evidence.

Citation

Ford, T. (1988), "An insidious form of corrosion", Anti-Corrosion Methods and Materials, Vol. 35 No. 3, pp. 9-15. https://doi.org/10.1108/eb020637