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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-21054e40-6270-4173-a642-98127ee6bbe9

Czasopismo

Archives of Metallurgy and Materials

Tytuł artykułu

Study of Mechanical Properties and Precipitation Reactions in Low Copper Containing Al-Mg-Si Alloy

Autorzy Belghit, H.  Farh, H.  Ziar, T.  Zidani, M.  Guemini, M. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN The scope of this work is to investigate the precipitation of two Al-Mg-Si alloys with and without Cu and excess Si by using the differential scanning calorimetry (DSC), transmission electron microscopic (TEM), Vickers hardness measurement and X-ray diffraction. The analysis of the DSC curves found that the excess Si accelerate the precipitation and the alloy contain the excess Si and small addition of copper has higher aging-hardness than that of free alloy (without excess Si and Cu) at the same heat treatment condition. The sufficient holding time for the precipitation of the β'' phase was estimated to be 6 hours for the alloy aged at 100°C and 10 hours for the alloy aged at 180°C. The low Copper containing Al-Mg-Si alloy gives rise to the forming a finer distribution of β (Mg2Si) precipitates which increases the hardness of the alloy. In order to know more about the precipitation reactions, concern the peaks on the DSC curve transmission electron microscopy observation were made on samples annealed at temperatures (250°C, 290°C and 400°C) just above the corresponding peaks of the three phases β'', β' and β respectively.
Słowa kluczowe
EN Al-Mg-Si alloys   precipitation   DSC   TEM   excess Si   copper  
Wydawca Polish Academy of Sciences, Committee of Metallurgy, Institute of Metallurgy and Materials Science
Czasopismo Archives of Metallurgy and Materials
Rocznik 2018
Tom Vol. 63, iss. 4
Strony 1643--1648
Opis fizyczny Bibliogr. 31 poz., fot., rys., tab.
Twórcy
autor Belghit, H.
  • University of Tébessa, Faculty of Exact Sciences, Department of Material Sciences, 12002, Algeria
  • University of Oum El Bouaghi, Faculty of Exact Sciences, Department of Material Sciences, Bouaghi 04000, Algeria
autor Farh, H.
  • University of Tébessa, Faculty of Exact Sciences, Department of Material Sciences, 12002, Algeria
autor Ziar, T.
  • University of Tébessa, Faculty of Exact Sciences, Department of Material Sciences, 12002, Algeria, toufik1_ziar@yahoo.fr
autor Zidani, M.
  • Université De Biskra, Laboratoire De Génie Energétique Et Matériaux (LGEM), B.P: 145 Biskra, 07000 Algérie
autor Guemini, M.
  • University of Oum El Bouaghi, Faculty of Exact Sciences, Department of Material Sciences, Bouaghi 04000, Algeria
Bibliografia
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Uwagi
PL Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-21054e40-6270-4173-a642-98127ee6bbe9
Identyfikatory
DOI 10.24425/amm.2018.125088