Behavior of Flow Stress of Al-Mn Alloy during Hot Compression

Xiao Zhang; Zheng Ren; Xiu Rong Zhu; Jing Ren; Fu Kui Lian; Li Qun Hou

doi:10.4028/www.scientific.net/AMR.886.109

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 886Behavior of Flow Stress of Al-Mn Alloy during Hot...

Behavior of Flow Stress of Al-Mn Alloy during Hot Compression

Abstract:

The behavior of flow stress of Al-Mn alloy during hot compression at the condition of ε=0.05,0.5,5,25s^-1 while the temperature range from 300°C to 450°C was studied by Gleblee-3500. The results show that the Al-Mn alloy possess the remarkable characteristic of a peak stress, followed by a steady-state flow stress when deformed in the temperature range from 300°C to 450°C with a strain rates range from 0.05s^-1 to 0.5s^-1.When the strain rate is higher than 5s^-1 dynamic recrystallization will happen. The true stress decrease with increasing compression temperature and increases with the increasing strain rate. A constitution equation which can describe the relationship of ε,T and σ is achieved. Also the activation energy for deformation is calculated.

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Periodical:

Advanced Materials Research (Volume 886)

Pages:

109-114

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.886.109

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Online since:

January 2014

Authors:

Xiao Zhang, Zheng Ren*, Xiu Rong Zhu, Jing Ren, Fu Kui Lian, Li Qun Hou

Keywords:

Al-Mn Alloy, Constitution Equation, Flow Stress, Hot Compression

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