Experimental Study of Impact Strength of Al-6063 Alloy Processed by Equal Channel Angular Extrusion

Sreenivasan Sulaiman; J. Nemati; Hani Mizhir Magid; B.T.H.T. Baharudin; G.H. Majzoobi; M.A. Azmah Hanim

doi:10.4028/www.scientific.net/AMR.911.158

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 911Experimental Study of Impact Strength of Al-6063...

Experimental Study of Impact Strength of Al-6063 Alloy Processed by Equal Channel Angular Extrusion

Abstract:

In the present study, the impact strength of annealed Al-6063 alloy developed by equal channel angular extrusion (ECAE), up to 6 passes at a temperature of 200^°C following route A with a constant ram speed of 30 mm/min through a die angle of 90^° between the die channels was investigated. The impact strength of extruded specimens is evaluated for different passes at a strain rate of 1800 s^-1using Split-Hopkinson pressure bar techniques. The results indicate that the major strength improvement occurs in the 5^th and 6^th passes while in primary passes, the strength improved but at a considerably lower rate. A total increasing in ultimate strength (UTS) and yield strength (YS) are 127% and 65% respectively and observed for the extruded material after 6 passes. Optical microscopic examinations show a grain refinement from 45 μm to 2.8 μm.

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Periodical:

Advanced Materials Research (Volume 911)

Pages:

158-162

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.911.158

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Online since:

March 2014

Authors:

Sreenivasan Sulaiman*, J. Nemati, Hani Mizhir Magid, B.T.H.T. Baharudin, G.H. Majzoobi, M.A. Azmah Hanim

Keywords:

Al-6063, Equal Channel Angular Extrusion (ECAE), Grain Refinement, Impact Strength, Split-Hopkinson Pressure Bar

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