Publication detail

MECHANO-CHEMICALLY PREPARED AND SPARK PLASMA SINTERED ALUMINIUM MATRIX COMPOSITE WITH CERAMIC AND INTERMETALLIC REINFORCEMENT

HANUSOVÁ, P. DLOUHÝ, I. JAN, V.

Original Title

MECHANO-CHEMICALLY PREPARED AND SPARK PLASMA SINTERED ALUMINIUM MATRIX COMPOSITE WITH CERAMIC AND INTERMETALLIC REINFORCEMENT

Type

journal article - other

Language

English

Original Abstract

Preparation of aluminium matrix composites reinforced by fine niobium boride particles was investigated while exploiting the advantages of mechano-chemical processing and spark plasma sintering. For this purpose, a mixture of aluminium, niobium and boron (III) oxide powders were subjected to high energy ball milling. Subsequently, spark plasma sintering was applied. The microstructures of the powder mixture before and after sintering were characterized via X-ray diffraction and scanning electron microscopic observation. Nanoindentation was also employed to characterize the composite performance. X-ray diffraction analysis showed formation of niobium boride particles after mechano-chemical processing. The results indicated that the volume fraction of niobium boride particles was significantly increased and intermetallic Al3Nb particles have been detected after the spark plasma sintering. The instrumented indentation revealed improvement in hardness by 2.9 GPa as well as in the modulus of elasticity by 98 GPa; the final values of 5.7 GPa and 135 GPa respectively being higher than those of comparable aluminium matrix composites.

Keywords

Mechano-chemical synthesis; Aluminium matrix composite; Niobium Boride; Intermetallic particles; SPS

Authors

HANUSOVÁ, P.; DLOUHÝ, I.; JAN, V.

Released

18. 1. 2018

Publisher

Faculty of Mechanical Engineering, University of Žilina

Location

Faculty of Mechanical Engineering, University of Žilina

ISBN

1338-6174

Periodical

Materials Engineering - Materiálové inžinierstvo (online version)

Year of study

24

Number

4

State

Slovak Republic

Pages from

131

Pages to

141

Pages count

10

URL

http://ojs.mateng.sk/index.php/Mateng/article/view/235/437

BibTex

@article{BUT149276,
  author="Petra {Hanusová} and Ivo {Dlouhý} and Vít {Jan}",
  title="MECHANO-CHEMICALLY PREPARED AND SPARK
PLASMA SINTERED ALUMINIUM MATRIX
COMPOSITE WITH CERAMIC AND
INTERMETALLIC REINFORCEMENT",
  journal="Materials Engineering - Materiálové inžinierstvo (online version)",
  year="2018",
  volume="24",
  number="4",
  pages="131--141",
  issn="1338-6174",
  url="http://ojs.mateng.sk/index.php/Mateng/article/view/235/437"
}