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Artificial Ageing Effect on Mechanical, Electrical Properties and Positron Lifetime of Aircraft 2024 Alloy

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Abstract:

Heat Treatments for Different Aging Times Were Performed on 2024 Aluminum Alloy. the Effect on the Positron Lifetime, Electrical and Mechanical Properties of the 2024 (Al-Cu-Mg) Alloy Was Studied. Artificial Ageing Was Conducted by Heating at a Constant Rate to a Specific Temperature, Followed by Annealing. the Alloy Was Treated at 192°C for Various Times, Followed by Annealing. Measurements as a Function of Aging Time Were Found to Exhibit Prominent Changes Related to the Formation of Precipitates.

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Periodical:

Defect and Diffusion Forum (Volume 329)

Pages:

63-68

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.329.63

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Online since:

July 2012

Authors:

Abdullah A. Refaey, M. A. Abdel-Rahman, Emad A. Badawi

Keywords:

Aluminium Alloy 2024, Electrical Properties, Hardness, Heat Treatment, Mechanical Alloying, Positron Lifetime Technique

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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