High strain rate superplasticity in continuous cast Al-Mg alloys prepared via friction stir processing

M. A. García-Bernal; R. S. Mishra; R. Verma; D. Hernández-Silva

doi:10.1016/j.scriptamat.2009.01.030

High strain rate superplasticity in continuous cast Al-Mg alloys prepared via friction stir processing

M. A. García-Bernal, R. S. Mishra, R. Verma, D. Hernández-Silva

Research output: Contribution to journal › Article › peer-review

39 Scopus citations

Abstract

Friction stir processing (FSP) is very effective in refining the grain size of as-cast alloys. In this work, the effect of five FSP conditions on the high-temperature deformation properties of a continuous cast Al-Mg alloy has been investigated. It was observed that FSP broke down the cast structure and refined the grain size to less than 3 μm, enabling tensile elongation of over 800% at 530 °C with a strain rate of 3 × 10^-2 s^-1.

Original language	English
Pages (from-to)	850-853
Number of pages	4
Journal	Scripta Materialia
Volume	60
Issue number	10
DOIs	https://doi.org/10.1016/j.scriptamat.2009.01.030
State	Published - May 2009
Externally published	Yes

Keywords

Aluminum alloys
Friction stir welding/processing
Grain refining
Superplasticity

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10.1016/j.scriptamat.2009.01.030

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abstract = "Friction stir processing (FSP) is very effective in refining the grain size of as-cast alloys. In this work, the effect of five FSP conditions on the high-temperature deformation properties of a continuous cast Al-Mg alloy has been investigated. It was observed that FSP broke down the cast structure and refined the grain size to less than 3 μm, enabling tensile elongation of over 800% at 530 °C with a strain rate of 3 × 10-2 s-1.",

keywords = "Aluminum alloys, Friction stir welding/processing, Grain refining, Superplasticity",

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AU - Mishra, R. S.

AU - Verma, R.

AU - Hernández-Silva, D.

PY - 2009/5

Y1 - 2009/5

N2 - Friction stir processing (FSP) is very effective in refining the grain size of as-cast alloys. In this work, the effect of five FSP conditions on the high-temperature deformation properties of a continuous cast Al-Mg alloy has been investigated. It was observed that FSP broke down the cast structure and refined the grain size to less than 3 μm, enabling tensile elongation of over 800% at 530 °C with a strain rate of 3 × 10-2 s-1.

AB - Friction stir processing (FSP) is very effective in refining the grain size of as-cast alloys. In this work, the effect of five FSP conditions on the high-temperature deformation properties of a continuous cast Al-Mg alloy has been investigated. It was observed that FSP broke down the cast structure and refined the grain size to less than 3 μm, enabling tensile elongation of over 800% at 530 °C with a strain rate of 3 × 10-2 s-1.

KW - Aluminum alloys

KW - Friction stir welding/processing

KW - Grain refining

KW - Superplasticity

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DO - 10.1016/j.scriptamat.2009.01.030

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JF - Scripta Materialia

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ER -

High strain rate superplasticity in continuous cast Al-Mg alloys prepared via friction stir processing

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Keywords

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