Publication result detail

Preparation and Characterization of CoCrNi-Mo Metal Matrix Composite by Powder Metallurgy

DE ALMEIDA GOUVÊA, L.; JAN, V.; DLOUHÝ, I.

Original Title

Preparation and Characterization of CoCrNi-Mo Metal Matrix Composite by Powder Metallurgy

English Title

Preparation and Characterization of CoCrNi-Mo Metal Matrix Composite by Powder Metallurgy

Type

Paper in proceedings (conference paper)

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

Metal matrix composite, mechanical alloying, medium entropy alloy, spark plasma sintering.

Key words in English

Metal matrix composite, mechanical alloying, medium entropy alloy, spark plasma sintering.

Authors

DE ALMEIDA GOUVÊA, L.; JAN, V.; DLOUHÝ, I.

RIV year

2019

Released

25.05.2018

Publisher

Tanger Ltd.

Location

Brno

ISBN

978-80-87294-84-0

Book

METAL 2018

Edition

1st Edition, 2018

Pages from

1545

Pages to

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",
  series="1st Edition, 2018",
  pages="1545--1550",
  publisher="Tanger Ltd.",
  address="Brno",
  isbn="978-80-87294-84-0"
}