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HomeMaterials Science ForumMaterials Science Forum Vols. 783-786Revealing the Strain-Hardening Mechanisms of...

Revealing the Strain-Hardening Mechanisms of Advanced High-Mn Steels by Multi-Scale Microstructure Characterization

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Abstract:

We have investigated the strain-hardening mechanisms across the relevant scales in a Fe-22Mn-0.6C (wt.%) twinning induced plasticity steel by multi-scale microstructure characterization. The approach makes use of electron microscopy techniques such as electron channeling contrast imaging (ECCI) to characterize microstructure features at the micro/nanoscale, and atomic-scale investigations of partitioning behavior across interfaces and solid solution/clustering effects by atom probe tomography (APT). The contribution of most relevant microstructure features to strain hardening is analyzed.

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THERMEC 2013

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Periodical:

Materials Science Forum (Volumes 783-786)

Pages:

755-760

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.783-786.755

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Online since:

May 2014

Authors:

Iván Gutierrez-Urrutia*, Ross Marceau, Michael Herbig, Dierk Raabe

Keywords:

Atom Probe Tomography, Electron Channeling Contrast Imaging, High-Mn TWIP Steels, Strain-Hardening

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