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Evaluation of grain refinement and variation in mechanical properties of equal-channel angular pressed 2014 aluminum alloy

Mallikarjuna, C. / Shashidhara, S.M. / Mallik, U.S.

AbstractGrain refinement and improvement in mechanical properties of 2014 aluminum alloy was obtained by equal-channel angular pressing (ECAP) technique. Well-defined grain boundaries were obtained in the ECAP processed alloy and a grain size reduction of around 94% can be obtained. Tensile testing after ECAP through three passes exhibits a significant increase in the yield strength and the ultimate tensile strength of the alloy with a corresponding increase in the percentage elongation. A significant increase in the microhardness was also observed in this processed alloy. The results of ECAP processed 2014 aluminum alloy have a good agreement with the standard Hall–Petch relationship.

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Evaluation of grain refinement and variation in mechanical properties of equal-channel angular pressed 2014 aluminum alloy

Mallikarjuna, C. / Shashidhara, S.M. / Mallik, U.S.

AbstractGrain refinement and improvement in mechanical properties of 2014 aluminum alloy was obtained by equal-channel angular pressing (ECAP) technique. Well-defined grain boundaries were obtained in the ECAP processed alloy and a grain size reduction of around 94% can be obtained. Tensile testing after ECAP through three passes exhibits a significant increase in the yield strength and the ultimate tensile strength of the alloy with a corresponding increase in the percentage elongation. A significant increase in the microhardness was also observed in this processed alloy. The results of ECAP processed 2014 aluminum alloy have a good agreement with the standard Hall–Petch relationship.

Evaluation of grain refinement and variation in mechanical properties of equal-channel angular pressed 2014 aluminum alloy

Mallikarjuna, C. / Shashidhara, S.M. / Mallik, U.S.

AbstractGrain refinement and improvement in mechanical properties of 2014 aluminum alloy was obtained by equal-channel angular pressing (ECAP) technique. Well-defined grain boundaries were obtained in the ECAP processed alloy and a grain size reduction of around 94% can be obtained. Tensile testing after ECAP through three passes exhibits a significant increase in the yield strength and the ultimate tensile strength of the alloy with a corresponding increase in the percentage elongation. A significant increase in the microhardness was also observed in this processed alloy. The results of ECAP processed 2014 aluminum alloy have a good agreement with the standard Hall–Petch relationship.

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Title:

Evaluation of grain refinement and variation in mechanical properties of equal-channel angular pressed 2014 aluminum alloy

Contributors:

Mallikarjuna, C. (author) / Shashidhara, S.M. (author) / Mallik, U.S. (author)

Publication date:

2008-07-16

Size:

5 pages

ISSN:

DOI:

https://doi.org/10.1016/j.matdes.2008.07.036

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Severe plastic deformation , Equal-channel angular pressing , Grain refinement

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