Publication detail
Preparation and Characterization of CoCrNi-Mo Metal Matrix Composite by Powder Metallurgy
DE ALMEIDA GOUVÊA, L. JAN, V. DLOUHÝ, I.
English title
Preparation and Characterization of CoCrNi-Mo Metal Matrix Composite by Powder Metallurgy
Type
conference paper
Language
en
Original abstract
A metal matrix composite – consisting of a matrix of medium entropy alloy CoCrNi and Mo as reinforcement – is reported on the present study. The composite was produced by mechanical alloying (MA) in combination with spark plasma sintering (SPS). The investigation of the microstructural features, chemical composition and basic mechanical properties of the bulk material were subject to study, by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDS) and Vickers microhardness testing. A full-density composite has been achieved with the selected sintering conditions, showing an average hardness of 514 HV0.3. Its' microstructure exhibited four different phases, possessing a matrix consisting of FCC solid solution reinforced by BCC particles surrounded by a μ-phase in the interface of the matrix/reinforcement and dispersed HCP precipitates.
English abstract
A metal matrix composite – consisting of a matrix of medium entropy alloy CoCrNi and Mo as reinforcement – is reported on the present study. The composite was produced by mechanical alloying (MA) in combination with spark plasma sintering (SPS). The investigation of the microstructural features, chemical composition and basic mechanical properties of the bulk material were subject to study, by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDS) and Vickers microhardness testing. A full-density composite has been achieved with the selected sintering conditions, showing an average hardness of 514 HV0.3. Its' microstructure exhibited four different phases, possessing a matrix consisting of FCC solid solution reinforced by BCC particles surrounded by a μ-phase in the interface of the matrix/reinforcement and dispersed HCP precipitates.
Keywords in English
Metal matrix composite, mechanical alloying, medium entropy alloy, spark plasma sintering.
Released
25.05.2018
Publisher
Tanger Ltd.
Location
Brno
ISBN
978-80-87294-84-0
Book
METAL 2018
Pages from–to
1545–1550
Pages count
6
BIBTEX
@inproceedings{BUT151360,
author="Larissa {Moravčíková de Almeida Gouvea} and Vít {Jan} and Ivo {Dlouhý},
title="Preparation and Characterization of CoCrNi-Mo Metal Matrix Composite by Powder Metallurgy",
booktitle="METAL 2018",
year="2018",
month="May",
pages="1545--1550",
publisher="Tanger Ltd.",
address="Brno",
isbn="978-80-87294-84-0"
}