Title of article
Influence of dynamic strain aging on the deformation behavior during ratcheting of a 316LN stainless steel
Author/Authors
Sarkar، نويسنده , , Aritra and Nagesha، نويسنده , , A. J. Parameswaran، نويسنده , , P. and Sandhya، نويسنده , , R. and Mathew، نويسنده , , M.D.، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2013
Pages
10
From page
359
To page
368
Abstract
Ratcheting behavior of 316LN austenitic stainless steel (SS) was investigated at 823 K as a function of mean stress (σm) and stress amplitude (σa). Test results obtained under different combinations of σm–σa were analyzed in terms of total accumulated strain and cyclic life in order to understand the manifestations of dynamic strain aging (DSA) during ratcheting. The results obtained under specific combinations of σm and σa were correlated with the surface relief, crack density distribution, fracture behavior and substructural changes. Deformation behavior was found to vary with the loading conditions. DSA increased the fatigue life of 316LN SS.
Keywords
316LN SS , Ratcheting , Mean stress , dynamic strain aging , Stress amplitude
Journal title
MATERIALS SCIENCE & ENGINEERING: A
Serial Year
2013
Journal title
MATERIALS SCIENCE & ENGINEERING: A
Record number
2172474
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