Role of shear in interface formation of aluminium-steel multilayered composite sheets

Anibal Mendes, Ilana Timokhina, Andrey Molotnikov, Peter D. Hodgson, Rimma Lapovok

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Aluminium – Interstitial Free (IF) steel multilayered composite sheets with different volume fractions of aluminium were produced by accumulative roll bonding (ARB) and Asymmetric Accumulative Roll Bonding (AARB). The IF steel and Al alloy (AA1050) sheets were stacked in a sandwich like structure and roll-bonded by two passes with varying roll diameter ratios (dr) equal to 1 and 2 for ARB and AARB processes, respectively. This work focused on a study of the effect of shear strain mode on the formation of the interface zone. The interface zone thickness, which formed by intermixing and diffusion, was characterised by different techniques including STEM-EDS line scan, HRTEM and Atom Probe. Furthermore, finite element simulations of both processes were conducted to determine the level of shear strain at the interfaces. It was demonstrated that the width of the interface zone directly correlates with the magnitude of shear strain and architecture of the hybrid material.

Original languageEnglish
Pages (from-to)142-152
Number of pages11
JournalMaterials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing
Volume705
DOIs
Publication statusPublished - 29 Sep 2017

Keywords

  • Accumulative roll bonding
  • Al-IF steel
  • Atom Probe Tomography
  • Interface formation
  • Mechanical properties
  • Transmission electron microscopy

Cite this

Mendes, Anibal ; Timokhina, Ilana ; Molotnikov, Andrey ; Hodgson, Peter D. ; Lapovok, Rimma. / Role of shear in interface formation of aluminium-steel multilayered composite sheets. In: Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing. 2017 ; Vol. 705. pp. 142-152.
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abstract = "Aluminium – Interstitial Free (IF) steel multilayered composite sheets with different volume fractions of aluminium were produced by accumulative roll bonding (ARB) and Asymmetric Accumulative Roll Bonding (AARB). The IF steel and Al alloy (AA1050) sheets were stacked in a sandwich like structure and roll-bonded by two passes with varying roll diameter ratios (dr) equal to 1 and 2 for ARB and AARB processes, respectively. This work focused on a study of the effect of shear strain mode on the formation of the interface zone. The interface zone thickness, which formed by intermixing and diffusion, was characterised by different techniques including STEM-EDS line scan, HRTEM and Atom Probe. Furthermore, finite element simulations of both processes were conducted to determine the level of shear strain at the interfaces. It was demonstrated that the width of the interface zone directly correlates with the magnitude of shear strain and architecture of the hybrid material.",
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Role of shear in interface formation of aluminium-steel multilayered composite sheets. / Mendes, Anibal; Timokhina, Ilana; Molotnikov, Andrey; Hodgson, Peter D.; Lapovok, Rimma.

In: Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing, Vol. 705, 29.09.2017, p. 142-152.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Mendes, Anibal

AU - Timokhina, Ilana

AU - Molotnikov, Andrey

AU - Hodgson, Peter D.

AU - Lapovok, Rimma

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