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Description:

The plastic co-deformation behavior at the homophase interfaces between the hard nanotwinned grain inclusions and the soft recrystallized matrix grains in a duplex-microstructured AISI 316L austenitic stainless steel is examined through the analysis of long-range orientation gradients within the matrix grains by electron backscatter diffraction and transmission electron microcopy. Our analysis reveals that the mechanical accommodation of homophase interfaces until a macroscopic strain of 22% is realized within a small area of soft grains (about four grains) adjacent to the homophase interface. The activation of deformation twinning in the first two grain layers results in the occurrence of a “hump” in the orientation gradient profile. We ascribe this effect to the role of deformation twi

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: duplex steel, plasticity, EBSD

Date published: 2016-12-01

Publisher: Informa UK Limited

Journal:

• Science and Technology of Advanced Materials vol. 17 issue. 1 p. 29-36

Funding:

• Department of S and T for Social Development 2012CB932201
• Deutsche Forschungsgemeinschaft SFB-761 – steel ab initio
• National Natural Science Foundation of China 51231006
• National Natural Science Foundation of China 51371172

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1080/14686996.2016.1140302

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Updated at: 2026-03-30 10:37:09 +0900

Published on MDR: 2026-03-30 12:23:56 +0900