Back stress strengthening and strain hardening in gradient structure

Yang, Muxin; Pan, Yue; Yuan, Fuping; Zhu, Yuntian; Wu, Xiaolei

doi:10.1080/21663831.2016.1153004

Public

Back stress strengthening and strain hardening in gradient structure

Published in Materials Research Letters • Mar 2, 2016

Authors:

Muxin Yang

Yue Pan

Fuping Yuan

Abstract

We report significant back stress strengthening and strain hardening in gradient structured (GS) interstitial-free (IF) steel. Back stress is long-range stress caused by the pileup of geometrically necessary dislocations (GNDs). A simple equation and a procedure are developed to calculate back stres...

Subject

Materials science

Strain hardening exponent

Hardening (computing)

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