Elastoplastic deformation of 316 stainless steel under tensile loading at elevated temperatures

Daymond, M. R. and Bouchard, P. J. (2006). Elastoplastic deformation of 316 stainless steel under tensile loading at elevated temperatures. Metallurgical and Materials Transactions A, 37(6) pp. 1863–1873.

DOI: https://doi.org/10.1007/s11661-006-0129-4

Abstract

The response of 316 stainless steel has been examined under uniaxial tensile loading during a range of tests carried out between 20 °C and 650 °C. In-situ neutron diffraction was used to measure internal elastic strain in subsets of differently oriented crystallites within the polycrystal aggregate. This allowed the determination of diffraction elastic constants. Further, results have been compared with predictions from a slip-based elasto-plastic self-consistent model. Good agreement is obtained during both conventional slip and when dynamic strain aging (DSA) is evidenced. The quality of agreement was reduced in the higher temperature regime, where it is expected that other mechanisms become active.

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