Fracture Behavior of 316 Stainless Steel under Creep at 600 and 800°C

Sergio Neves Monteiro; Frederico Muylaert Margem; Fabio de Oliveira Braga; Luis Henrique Leme Louro

doi:10.4028/www.scientific.net/MSF.869.520

Paper Titles

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Elasto-Plastic Modeling of the Limit Strains in Metallic Sheets
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Work Hardening and Microstructural Effect during Dynamic Deformation of Polycrystalline Copper
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HomeMaterials Science ForumMaterials Science Forum Vol. 869Fracture Behavior of 316 Stainless Steel under...

Fracture Behavior of 316 Stainless Steel under Creep at 600 and 800°C

Abstract:

The fracture characteristics of two AISI 316 austenitic stainless steels, creep-tested at constant load and temperatures of 600 and 800°C, were studied by scanning electron microscopy. The morphological aspects of the fracture were analyzed and correlated to the ductility level attained under creep. In one of the 316 steels, a marked change from ductile to intergranular mode of fracture was observed in going from 600 to 800°C. It is proposed that the condition for crack nucleation at precipitates as well as grain boundary oxidation are responsible for these microstructural changes.

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Periodical:

Materials Science Forum (Volume 869)

Pages:

520-525

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.869.520

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Online since:

August 2016

Authors:

Sergio Neves Monteiro*, Frederico Muylaert Margem, Fabio de Oliveira Braga, Luis Henrique Leme Louro

Keywords:

AISI 316 Stainless Steel, Creep Test, Fracture Behavior, Sigma Phase

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