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Metallic Materials Vol. 50 (2012), no. 2, pp.69-73

Title: Influence of corrosive solution temperature on the SCC behavior of the AISI 310 and AISI 316 stainless steels rolled plates
Author: J. C. FERNANDES, E. O. CORREA, M. L. N. M. MELO, R. P. BARBOSA
Abstract: In this study, the influence of the corrosive solution temperature on the stress corrosion cracking (SCC) behavior of the AISI 310 and AISI 316 stainless steels rolled plates using a constant load method was investigated. For the AISI 316, the relationship between the time to failure and the test temperature fell into a linear function for the temperatures from 143 to 152 °C and an exponential function for the temperatures from 132 to 143 °C. These regions are considered to correspond to a SCC-dominated region and a hydrogen embrittlement-dominated region. Microstructural analyses showed that in the SCC-dominated region the fracture mode was transgranular, but it was intergranular in the hydrogen embrittlement-dominated region. For the AISI 310 steel, the relationship between the time to failure and the test temperature fell into a linear function for the temperatures from 132 to 152 °C. The fracture mode was transgranular for all temperatures, which strongly indicated that this steel showed SCC only.
Keywords: stress corrosion cracking, temperature, austenitic stainless steels
Year: 2012, Volume: 50, Issue: 2 Page From: 69, Page To: 73
doi:10.4149/km_2012_2_69
Price: 2.50 €





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