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Evolution of the retrogression and reaging treatment on microstructure and properties of Aluminum Alloy (Al-Zn-Mg-Cu)

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Main Authors: Naeem, Haider T., Khairel Rafezi, Ahmad, Dr., Kahtan Sadiq, Muhammed, Dr, Azmi, Rahmat, Prof.
Other Authors: haider_neem@yahoo.com
Format: Article
Language:English
Published: Trans Tech Publications Inc. 2015
Subjects:
Aluminum alloy
Heat treatment
Microstructural
Ultimate Tensile Strength (UTS)
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/39124
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spelling my.unimap-391242015-03-05T07:59:30Z Evolution of the retrogression and reaging treatment on microstructure and properties of Aluminum Alloy (Al-Zn-Mg-Cu) Naeem, Haider T. Khairel Rafezi, Ahmad, Dr. Kahtan Sadiq, Muhammed, Dr Azmi, Rahmat, Prof. haider_neem@yahoo.com Aluminum alloy Heat treatment Microstructural Ultimate Tensile Strength (UTS) Link to publisher's homepage at http://www.ttp.net/ In this study the evolution of the retrogression and reaging (RRA) heat treatment process on microstructure and mechanical properties of AA 7075 Al-alloys which produced by semi-direct chill (DC) casting process were investigated. Al-Zn-Mg-Cu alloys were homogenized at different heat treatment conditions, aged at 120°C for 24 h (T6), and retrogressed at 180°C for 30 min then re-aged at 120°C for 24 h (RRA). The results showed that this three-step process of the heat treatments, the mechanical properties of alloys was substantially improved. The highest ultimate tensile strength and Vickers hardness attained for the retrogression and re-aging about 530 MPa and 223 HV respectively. The precipitation strengthening is responsible about improve the strength under impact the retrogression and re-aging process. 2015-03-05T07:59:29Z 2015-03-05T07:59:29Z 2014-04 Article Advanced Materials Research, vol.925, 2014, pages 258-262 1662-8985 http://dspace.unimap.edu.my:80/xmlui/handle/123456789/39124 http://www.scientific.net/AMR.925.258 en Trans Tech Publications Inc.
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Aluminum alloy
Heat treatment
Microstructural
Ultimate Tensile Strength (UTS)
spellingShingle Aluminum alloy
Heat treatment
Microstructural
Ultimate Tensile Strength (UTS)
Naeem, Haider T.
Khairel Rafezi, Ahmad, Dr.
Kahtan Sadiq, Muhammed, Dr
Azmi, Rahmat, Prof.
Evolution of the retrogression and reaging treatment on microstructure and properties of Aluminum Alloy (Al-Zn-Mg-Cu)
description Link to publisher's homepage at http://www.ttp.net/
author2 haider_neem@yahoo.com
author_facet haider_neem@yahoo.com
Naeem, Haider T.
Khairel Rafezi, Ahmad, Dr.
Kahtan Sadiq, Muhammed, Dr
Azmi, Rahmat, Prof.
format Article
author Naeem, Haider T.
Khairel Rafezi, Ahmad, Dr.
Kahtan Sadiq, Muhammed, Dr
Azmi, Rahmat, Prof.
author_sort Naeem, Haider T.
title Evolution of the retrogression and reaging treatment on microstructure and properties of Aluminum Alloy (Al-Zn-Mg-Cu)
title_short Evolution of the retrogression and reaging treatment on microstructure and properties of Aluminum Alloy (Al-Zn-Mg-Cu)
title_full Evolution of the retrogression and reaging treatment on microstructure and properties of Aluminum Alloy (Al-Zn-Mg-Cu)
title_fullStr Evolution of the retrogression and reaging treatment on microstructure and properties of Aluminum Alloy (Al-Zn-Mg-Cu)
title_full_unstemmed Evolution of the retrogression and reaging treatment on microstructure and properties of Aluminum Alloy (Al-Zn-Mg-Cu)
title_sort evolution of the retrogression and reaging treatment on microstructure and properties of aluminum alloy (al-zn-mg-cu)
publisher Trans Tech Publications Inc.
publishDate 2015
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/39124
_version_ 1643798986504536064
score 13.214268

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