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Influence of proportional and non-proportional loading on deformation behaviour of austenitic stainless steel-macro and micro analysis

IR@NML: CSIR-National Metallurgical Laboratory, Jamshedpur

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Title Influence of proportional and non-proportional loading on deformation behaviour of austenitic stainless steel-macro and micro analysis
 
Creator Dey, R
Tarafder, S
Sivaprasad, S
 
Subject Steel Metallurgy
 
Description Effect of in-phase and out of phase cyclic loading on fatigue behaviour was evaluated for 304LN stainless steel using tubular specimens. It was found that additional hardening observed for out of phase loading was a consequence of more grains participating in deformation process. Further, strains in matrix were higher and evenly distributed across grains for out of phase loadings as quantified through misorientation analysis. Disparities in misorientation studies were accounted by substructural development investigated through electron microscopy. Additionally, elastic and plastic strains were found to be out of phase with respect to total strains for out of phase loading.
 
Publisher Elsevier Science Bv.
 
Date 2019-04
 
Type Article
PeerReviewed
 
Relation https://doi.org/10.1016/j.tafmec.2019.01.031
http://eprints.nmlindia.org/7917/
 
Identifier Dey, R and Tarafder, S and Sivaprasad, S (2019) Influence of proportional and non-proportional loading on deformation behaviour of austenitic stainless steel-macro and micro analysis. Theoretical and Applied Fracture Mechanics, 100 . pp. 342-353.