Investigation of non-local cracking in layered stainless steel with nanostructured interface

X. Guo; A. Y.T. Leung; A. Y. Chen; Haihui Ruan; J. Lu

doi:10.1016/j.scriptamat.2010.04.035

Investigation of non-local cracking in layered stainless steel with nanostructured interface

X. Guo, A. Y.T. Leung, A. Y. Chen, Haihui Ruan, J. Lu

Research output: Journal article publication › Journal article › Academic research › peer-review

34 Citations (Scopus)

Abstract

A recent experiment of layered stainless steel with nanostructured interface has suggested that a brittle interface can lead to an overall structure with high ductility. Here a cohesive finite element method is employed to investigate the paradox of a brittle nanostructured interface (nanograined interface layer) and a ductile layered stainless steel. Parametric studies show that the more brittle the nanograined interface layer is, the more micro-cracks the nanograined interface layer has, and the more ductile the layered stainless steel is.

Original language	English
Pages (from-to)	403-406
Number of pages	4
Journal	Scripta Materialia
Volume	63
Issue number	4
DOIs	https://doi.org/10.1016/j.scriptamat.2010.04.035
Publication status	Published - 1 Aug 2010

Keywords

Ductility
Finite element analysis
Nanostructured materials
Non-local damage initiation and evolution

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

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10.1016/j.scriptamat.2010.04.035

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AU - Lu, J.

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N2 - A recent experiment of layered stainless steel with nanostructured interface has suggested that a brittle interface can lead to an overall structure with high ductility. Here a cohesive finite element method is employed to investigate the paradox of a brittle nanostructured interface (nanograined interface layer) and a ductile layered stainless steel. Parametric studies show that the more brittle the nanograined interface layer is, the more micro-cracks the nanograined interface layer has, and the more ductile the layered stainless steel is.

AB - A recent experiment of layered stainless steel with nanostructured interface has suggested that a brittle interface can lead to an overall structure with high ductility. Here a cohesive finite element method is employed to investigate the paradox of a brittle nanostructured interface (nanograined interface layer) and a ductile layered stainless steel. Parametric studies show that the more brittle the nanograined interface layer is, the more micro-cracks the nanograined interface layer has, and the more ductile the layered stainless steel is.

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KW - Finite element analysis

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Investigation of non-local cracking in layered stainless steel with nanostructured interface

Abstract

Keywords

ASJC Scopus subject areas

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