Effects of Deformation Ratio above Recrystallizaton Temperature on Microstructure and Properties of 2A12 Aluminum Alloy

Shi Xing Zhang; Yu Ping Zhu; Gang Yi Cai

doi:10.4028/www.scientific.net/AMM.217-219.279

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219Effects of Deformation Ratio above...

Effects of Deformation Ratio above Recrystallizaton Temperature on Microstructure and Properties of 2A12 Aluminum Alloy

Abstract:

The thermomechanical treatment of a 2A12 aluminum alloy was researched and the influence of deformation ratio above recrystallization temperature on microstructure and hardness was analyzed emphatically. The result reveals that when the deformation ratio is low at first, the hardness of specimen decreased because the effect of recrystallization softening overwhelms the effect of deformation strengthening. However, hardness increased with increasing deformation ratio. In addition, the microstructure became more homogeneous and grains were refined obviously by metallography microscope observation with increasing deformation ratio. The second phase precipitates dispersedly to strengthen the alloy.

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Periodical:

Applied Mechanics and Materials (Volumes 217-219)

Pages:

279-282

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.217-219.279

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Online since:

November 2012

Authors:

Shi Xing Zhang, Yu Ping Zhu, Gang Yi Cai

Keywords:

2A12 Aluminum Alloy, Deformation Ratio above Recrystallization Temperature, Hardness, Microstructure, Thermomechanical Treatment (TMT)

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