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Study of the precipitation hardening process in recycled Al-Si-Cu cast alloys

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Języki publikacji
EN
Abstrakty
EN
The formation of extremely small uniformly dispersed particles of a second phase within the original phase matrix during heat treatment changed material properties. Therefore the characterization of precipitation had been investigated using high resolution transmission electron microscopy (TEM) and electron diffraction of thin foils for an AlSi9Cu3 cast alloy. For investigation the hardening effect onto mechanical properties of aluminium cast was used heat treatment, which consisted from solution treatment at 515°C / 4 hours (h), followed by quenching into water with temperature 50°C and artificial aging using different temperatures 170°C and 190°C with different holding time 2, 4, 8, 16, and 32 hours. The observations of microstructure and substructure reveals that precipitation hardening has caused great changes in size, morphology and distributions of structural components, the formation of precipitates of Cu phases, and the change of mechanical properties as well.
Twórcy
  • University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia
autor
  • University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia
autor
  • Technical University of Košice, Faculty of Metallurgy, Letná 9, 042 00 Košice, Slovakia
autor
  • University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia
  • University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia
Bibliografia
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  • [9] E.Tillová, M. Chalupová, L. Hurtalová, Evolution of Phases in a Recycled Al-Si Cast Alloy During Solution Treatment, in: Dr. Viacheslav Kazmiruk (Ed.), Scanning electron microscopy, Rijeka: InTech (2012).
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Uwagi
EN
This work has been supported by Scientific Grant Agency of Ministry of Education of Slovak republic No1/0533/15, No044ŽU-4/2014.
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-8ec0b448-0fbb-4791-a975-f044f9a80978
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