Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
Life Prediction Model for Initiation of Stress-Corrosion Cracking in Sensitized Stainless Steel/Neutral Chloride Environment
Guen NakayamaMasatsune Akashi
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1999 Volume 48 Issue 3 Pages 162-168

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Abstract

One point of technological importance in the use of stainless steels for natural water environments such as sea and fresh waters lies with their liability to stress-corrosion cracking (SCC). In this paper, we intend to discuss (1) the critical condition for initiation of IGSCC via corrosion crevice, or (2) the minimum initiation lifetime using exponential distribution model of SCC fracture, of sensitized stainless steel especially effects of electrode potential, stress, temperature, chloride concentration, crevice and degree of sensitization as placed in neutral chloride environments. We describe the life prediction model from the results of lower-limit lifetime of stress-corrosion cracking distribution in the corrodible domain.

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© Japan Society of Corrosion Engineering
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