Annealing on Anisotropy and Mechanical Properties of an Al-Mg-Si Alloy

Li Zhen Yan; Yong An Zhang; Bai Qing Xiong; Zhi Hui Li; Xi Wu Li; Hong Wei Liu; Shu Hui Huang; Hong Wei Yan; Kai Wen

doi:10.4028/www.scientific.net/MSF.941.1077

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HomeMaterials Science ForumMaterials Science Forum Vol. 941Annealing on Anisotropy and Mechanical Properties...

Annealing on Anisotropy and Mechanical Properties of an Al-Mg-Si Alloy

Abstract:

Intermediate annealing on anisotropy and mechanical properties of an Al-0.78Mg-0.90Si-0.65Zn-0.16Cu (wt. %) alloy was investigated by tensile test, optical microscope (OM) and electron back-scattered diffraction (EBSD). The results indicated that alloy sheet displayed various microstructure after without intermediate annealing, intermediate annealing treatment at 350°C for 2 h, 450°C for 2 h and 500°C for 5 min. Compared with the alloy without intermediate annealing, the alloy exhibited equiaxed grain with 35.0µm after annealing at 500°C for 5 min, grain orientation of the alloy was distributed randomly, and plastic strain ratio value of 45° direction was more than 0.6. The anisotropy of the sheet was significantly reduced. Annealing at 500°C for 5 min was suitable for the production process of automobile body sheets.

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Periodical:

Materials Science Forum (Volume 941)

Pages:

1077-1082

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.941.1077

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Online since:

December 2018

Authors:

Li Zhen Yan*, Yong An Zhang, Bai Qing Xiong, Zhi Hui Li, Xi Wu Li, Hong Wei Liu, Shu Hui Huang, Hong Wei Yan, Kai Wen

Keywords:

Al-Mg-Si Alloy, Anisotropy, Annealing, Mechanical Properties

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