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Study of the Direct Extrusion Behavior of Aluminum and Aluminum Alloy-2014 Using Conical Dies
دراسة سلوك البثق المباشر للألمنيوم وسبيكة الألمنيوم - 2014 بإستخدام قوالب مخروطية

Authors: Ahmed A. Akbar --- Rabiha S. Yaseen
Journal: Engineering and Technology Journal مجلة الهندسة والتكنولوجيا ISSN: 16816900 24120758 Year: 2012 Volume: 30 Issue: 6 Pages: 950-958
Publisher: University of Technology الجامعة التكنولوجية

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Abstract

The present work concerns with study of extrusion behavior of aluminum alloy-Al2014 comparing with pure aluminum-Al1050, using different die angles (á=15, 30 and 75°) and different billet lengths (20, 28, 40 and 52mm). Results showed that the extrusion load increase when billet length increases for aluminum alloy (Al-2014) and pure aluminum (Al-1050). The results also showed that small die angles required higher extrusion load than large die angles. The Brinell hardness values showed that aluminum alloy (Al-2014) undergoes higher workhardening due to the presence of copper compared with the pure aluminum (Al-1050), in addition to formation of dead metal zone which resists the metal flow through the die opening.

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