Effect of ageing time 200 °C on microstructure behaviour of Al-Zn-Cu-Mg cast alloys

Effect of ageing time 200 °C on microstructure behaviour of Al-Zn-Cu-Mg cast alloys

Al-Zn-Cu-Mg is heat treatable alloy that can be used in many hightech applications, such as aerospace and military. The main objective of this study is to investigate the influence of ageing process in microstrucure behaviour of Al-9Zn-5Cu-4Mg cast alloy by performing SEM analysis and its correlatio...

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Main Authors: Pratiwi Diah Kusuma, Utami Nurhabibah Paramitha Eka
Format: Article
Language:English
Published: EDP Sciences 2017-01-01
Series:MATEC Web of Conferences
Online Access:https://doi.org/10.1051/matecconf/201710101008
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spelling doaj-32de40eea54d4b718a325b2e4c0fe8982021-03-02T09:27:44ZengEDP SciencesMATEC Web of Conferences2261-236X2017-01-011010100810.1051/matecconf/201710101008matecconf_sicest2017_01008Effect of ageing time 200 °C on microstructure behaviour of Al-Zn-Cu-Mg cast alloysPratiwi Diah Kusuma0Utami Nurhabibah Paramitha Eka1Department of Mechanical Engineering, University of SriwijayaDepartment of Mechanical Engineering, University of SriwijayaAl-Zn-Cu-Mg is heat treatable alloy that can be used in many hightech applications, such as aerospace and military. The main objective of this study is to investigate the influence of ageing process in microstrucure behaviour of Al-9Zn-5Cu-4Mg cast alloy by performing SEM analysis and its correlation with hardness tests of as-cast Al-9Zn-5Cu-4Mg alloy and heat treated Al-9Zn-5Cu-4Mg cast alloy. The results show the deployment of precipitation spread over the dendrite and also the presence of second phases Mg3Zn3Al2 , Cu2FeAl7 , CuAl2, and CuMgAl2 in as-cast Al-9Zn-5Cu-4Mg alloy. The presence of all these second phases are affecting to the toughness of aluminium alloy and the presence of MgZn2 leads the impairment of hardness value of heat-treated Al-9Zn-5Cu-5Mg cast alloy.https://doi.org/10.1051/matecconf/201710101008
collection DOAJ
language English
format Article
sources DOAJ
author Pratiwi Diah Kusuma
Utami Nurhabibah Paramitha Eka
spellingShingle Pratiwi Diah Kusuma
Utami Nurhabibah Paramitha Eka
Effect of ageing time 200 °C on microstructure behaviour of Al-Zn-Cu-Mg cast alloys
MATEC Web of Conferences
author_facet Pratiwi Diah Kusuma
Utami Nurhabibah Paramitha Eka
author_sort Pratiwi Diah Kusuma
title Effect of ageing time 200 °C on microstructure behaviour of Al-Zn-Cu-Mg cast alloys
title_short Effect of ageing time 200 °C on microstructure behaviour of Al-Zn-Cu-Mg cast alloys
title_full Effect of ageing time 200 °C on microstructure behaviour of Al-Zn-Cu-Mg cast alloys
title_fullStr Effect of ageing time 200 °C on microstructure behaviour of Al-Zn-Cu-Mg cast alloys
title_full_unstemmed Effect of ageing time 200 °C on microstructure behaviour of Al-Zn-Cu-Mg cast alloys
title_sort effect of ageing time 200 °c on microstructure behaviour of al-zn-cu-mg cast alloys
publisher EDP Sciences
series MATEC Web of Conferences
issn 2261-236X
publishDate 2017-01-01
description Al-Zn-Cu-Mg is heat treatable alloy that can be used in many hightech applications, such as aerospace and military. The main objective of this study is to investigate the influence of ageing process in microstrucure behaviour of Al-9Zn-5Cu-4Mg cast alloy by performing SEM analysis and its correlation with hardness tests of as-cast Al-9Zn-5Cu-4Mg alloy and heat treated Al-9Zn-5Cu-4Mg cast alloy. The results show the deployment of precipitation spread over the dendrite and also the presence of second phases Mg3Zn3Al2 , Cu2FeAl7 , CuAl2, and CuMgAl2 in as-cast Al-9Zn-5Cu-4Mg alloy. The presence of all these second phases are affecting to the toughness of aluminium alloy and the presence of MgZn2 leads the impairment of hardness value of heat-treated Al-9Zn-5Cu-5Mg cast alloy.
url https://doi.org/10.1051/matecconf/201710101008
work_keys_str_mv AT pratiwidiahkusuma effectofageingtime200conmicrostructurebehaviourofalzncumgcastalloys
AT utaminurhabibahparamithaeka effectofageingtime200conmicrostructurebehaviourofalzncumgcastalloys
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