Microstructural Investigation of Co-Rolled Nanocrystalline Stainless Steel Sheets

Delphine Retraint; M. Zakaria  Quadir; Wan Qiang Xu; Laurent Waltz; Michael Ferry

doi:10.4028/www.scientific.net/MSF.702-703.127

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HomeMaterials Science ForumMaterials Science Forum Vols. 702-703Microstructural Investigation of Co-Rolled...

Microstructural Investigation of Co-Rolled Nanocrystalline Stainless Steel Sheets

Abstract:

It is possible to produce a nanocrystalline, multilayered composite structure with enhanced mechanical properties by assembling three 316L surface nanostructured stainless steel plates by roll bonding. The Surface Mechanical Attrition Treatment (SMAT) was first used to generate nanocrystalline layers on the elementary plates so that their mechanical properties were improved. They were then assembled through co-rolling. A composite structure of nanocrystalline layers of high strength alternating with more ductile layers was obtained to achieve both high strength and ductility. Microscopy observations and EBSD measurements were carried out and the bonding interfaces were analysed in detail to explore the mechanisms involved during the SMAT/Co-rolling duplex process.

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Materials Science Forum (Volumes 702-703)

Pages:

127-130

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.702-703.127

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Online since:

December 2011

Authors:

Delphine Retraint, M. Zakaria Quadir, Wan Qiang Xu, Laurent Waltz, Michael Ferry

Keywords:

Electron Backscatter Diffraction (EBSD), Grain Refinement, Multilayered Structure, Nanocrystallized Material, Roll Bonding, SMAT

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