Publication detail
Mechano-chemical induction of Nb3Al intermetallic phases formation in aluminium alumina matrix
HANUSOVÁ, P. DLOUHÝ, I.
Czech title
TVORBA INTERMETALICKÉ FÁZE Nb3Al MECHANOCHEMICKOU REAKCÍ V KORUNDOVO – HLINÍKOVÉ MATRICI
English title
Mechano-chemical induction of Nb3Al intermetallic phases formation in aluminium alumina matrix
Type
conference paper
Language
en
Original abstract
Formation of (nanosized) particles dispersion in form of in-situ synthetized intermetallic phase has been found as effective way leading to strength properties enhancement and at the same time keeping the initial ductility of the aluminium alloy matrix. Strengthening of aluminium matrix by NbAl3 intermetallic phase has been investigated in the paper. One of ways how to produce nano-size particles in situ in aluminium-alumina matrix is application of mechano-chemical process taking place during mechanical ball milling. Aluminium and niobium(V) oxide powders were subjected to high energy ball milling. The structural characteristics of the powderparticles were studied by X-ray diffractometry (XRD) and scanning electron microscopy (SEM). Intermetallic phase Nb3Al from mechanically alloyed powder has been evidenced. The initially aluminium matrix changed to alumina oxide for longer milling time as a result of strong exothermic reaction.
Czech abstract
Formation of (nanosized) particles dispersion in form of in-situ synthetized intermetallic phase has been found as effective way leading to strength properties enhancement and at the same time keeping the initial ductility of the aluminium alloy matrix. Strengthening of aluminium matrix by NbAl3 intermetallic phase has been investigated in the paper. One of ways how to produce nano-size particles in situ in aluminium-alumina matrix is application of mechano-chemical process taking place during mechanical ball milling. Aluminium and niobium(V) oxide powders were subjected to high energy ball milling. The structural characteristics of the powderparticles were studied by X-ray diffractometry (XRD) and scanning electron microscopy (SEM). Intermetallic phase Nb3Al from mechanically alloyed powder has been evidenced. The initially aluminium matrix changed to alumina oxide for longer milling time as a result of strong exothermic reaction.
English abstract
Formation of (nanosized) particles dispersion in form of in-situ synthetized intermetallic phase has been found as effective way leading to strength properties enhancement and at the same time keeping the initial ductility of the aluminium alloy matrix. Strengthening of aluminium matrix by NbAl3 intermetallic phase has been investigated in the paper. One of ways how to produce nano-size particles in situ in aluminium-alumina matrix is application of mechano-chemical process taking place during mechanical ball milling. Aluminium and niobium(V) oxide powders were subjected to high energy ball milling. The structural characteristics of the powderparticles were studied by X-ray diffractometry (XRD) and scanning electron microscopy (SEM). Intermetallic phase Nb3Al from mechanically alloyed powder has been evidenced. The initially aluminium matrix changed to alumina oxide for longer milling time as a result of strong exothermic reaction.
Keywords in English
Mechanical alloying; intermetallics; aluminium matrix composites; niobium aluminides; alumina
RIV year
2015
Released
28.05.2015
Location
Brno
ISBN
978-80-214-5146-9
Book
MULTI-SCALE DESIGN OF ADVANCED MATERIALS
Pages from–to
66–72
Pages count
7
BIBTEX
@inproceedings{BUT114769,
author="Petra {Hanusová} and Ivo {Dlouhý},
title="Mechano-chemical induction of Nb3Al intermetallic phases formation in aluminium alumina matrix",
booktitle="MULTI-SCALE DESIGN OF ADVANCED MATERIALS",
year="2015",
month="May",
pages="66--72",
address="Brno",
isbn="978-80-214-5146-9"
}