Special Effects in Deformation Mechanism Maps for Austenitic Stainless Steels

Abstract:

The domains of the existence of deformation mechanisms in a map associated with phase transformation and mechanical effects related to aging processes were investigated in austenitic stainless steels. It was also discussed the participation of grain boundary sliding, both as an additional deformation mechanism and a damage accumulation process. A prediction analysis for two typical high temperature engineering systems was attempted based on the map information. This prediction indicates the possibility of grain boundary sliding and creep strain jumps to interfere with the expected operational life of components in these systems operating at high temperatures.

• Periodical: Materials Science Forum (Volume 869)
• Pages: 543-549
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.869.543
• Online since: August 2016
• Authors: Sergio Neves Monteiro*, Frederico Muylaert Margem, Lucas Tedesco Bolzan, George Lobo Nobre Fernandes, Verônica Scarpini Cândido
• Keywords: Austenitic Stainless Steel, Deformation Mechanism, Mechanism Map

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