Research of Anti-Extrusion Process for Cylinder of Spray-Formed Ultra-High Strength Aluminum Alloy

Shu Hui Huang; Zhi Hui Li; Bai Qing Xiong; Yong An Zhang; Xi Wu Li; Hong Wei Liu; Feng Wang; Peng Sun

doi:10.4028/www.scientific.net/AMM.633-634.103

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 633-634Research of Anti-Extrusion Process for Cylinder of...

Research of Anti-Extrusion Process for Cylinder of Spray-Formed Ultra-High Strength Aluminum Alloy

Abstract:

Anti-extrusion process for the cylinder of spray-formed ultra-high strength aluminum alloy is researched in this paper. The spray-formed 7xxx aluminum alloy is treated by a two-step homogenization treatment (440 °C / 12h + 472 °C / 24h) after hot isostatic pressing (HIP), and then hot compression tests are carried out for getting the stress-strain relationship under different forming conditions. Anti-extrusion process for the cylinder is improved including changing the shape of mould and billet, and numerical simulation is used for researching the anti-extrusion process. According to the distribution of strain-effective, it can be seen that the improved scheme of anti-extrusion process can get more deformation than the common scheme at the bottom. The result of anti-extrusion experiments shows that the microstructure is evenly distributed across the cylinder under the improved scheme.

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Periodical:

Applied Mechanics and Materials (Volumes 633-634)

Pages:

103-107

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.633-634.103

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Online since:

September 2014

Authors:

Shu Hui Huang*, Zhi Hui Li, Bai Qing Xiong, Yong An Zhang, Xi Wu Li, Hong Wei Liu, Feng Wang, Peng Sun

Keywords:

Anti-Extrusion Process, Cylinder, Spray-Formed, Ultra-High Strength Aluminum Alloy

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