Fabrication of AM50 magnesium matrix composite with titanium particles by stir casting method

• Autorzy: Braszczyńska-Malik K. N. , Przełożyńska E.

Identyfikatory

DOI

10.15199/28.2016.3.4

Warianty tytułu

PL

Wytwarzanie metodą odlewniczą kompozytu na osnowie stopu magnezu AM50 z cząstkami tytanu

• Języki publikacji: EN

Abstrakty

EN

The paper focuses on the experimental magnesium matrix composite reinforced with Ti particles fabricated by the stir casting method. The main objective of the study was to develop a new type of composites with metallic particles fabricated by a simple and inexpensive casting method. For this purpose, one of the cheapest and most widely used alloys, AM50 (Mg–Al–Mn system), was selected as the matrix alloy. The investigated material was prepared on the basis of the AM50 commercial magnesium alloy with 30 wt % spherical Ti particles. The experimental composite was obtained by introducing Ti particles to the mechanical mixing of the molten magnesium alloy under a protective atmosphere. The prepared composite suspension was gravity cast into a metal mould. Analyses of the AM50-Tip composite microstructure were carried out by light microscopy, scanning electron microscopy (SEM + EDS) and X-ray diffraction (XRD). Brinell hardness of the examined material was also measured. Additionally, the weight fraction of the Ti particles was verified by determining their volume fraction using the linear method. The obtained composite exhibited uniform distribution of the Ti particles within the magnesium matrix alloy. According to the presented results of the investigation, no new phases were revealed by the microstructure observations and XRD techniques. The phase composition of the composite was typical for the used component. The matrix alloy was composed of an α-Mg, α + γ eutectic and Al8Mn5 intermetallic phase.

PL

Głównym celem pracy było wytworzenie materiału kompozytowego na bazie magnezu z cząstkami metalowymi za pomocą taniej i prostej metody odlewania grawitacyjnego. Na osnowę kompozytu wybrano komercyjny stop magnezu AM50 (typu Mg–Al–Mn). Jako fazę zbrojącą zastosowano sferoidalne cząstki tytanu. Zakres badań obejmował analizę mikrostruktury wytworzonego materiału metodami mikroskopii świetlnej, skaningowej mikroskopii elektronowej (SEM + EDS), rentgenowskiej analizy fazowej (XRD) oraz metalografii ilościowej. Przeprowadzono również pomiary twardości kompozytu sposobem Brinella.

Słowa kluczowe

EN

magnesium matrix composites; Ti particle; stir casting; microstructure

PL

kompozyty magnezowe; cząstka Ti; metoda odlewnicza; mikrostruktura

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Inżynieria Materiałowa
• Rocznik: 2016
• Tom: Vol. 37, nr 3
• Strony: 115--119
• Opis fizyczny: Bibliogr. 33 poz., fig., tab.

Twórcy

autor

Braszczyńska-Malik K. N.

• Institute of Materials Engineering, Czestochowa University of Technology, Czestochowa

autor

Przełożyńska E.

• Institute of Materials Engineering, Czestochowa University of Technology, Czestochowa

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.