Publication detail

Effect of Heat Treatment on Formation of Al-Al3Ni Hypereutectic Alloy

ČELKO, L. KLAKURKOVÁ, L. SLÁMEČKA, K. SMETANA, B. ŽALUDOVÁ, M. ŠVEJCAR, J.

Original Title

Effect of Heat Treatment on Formation of Al-Al3Ni Hypereutectic Alloy

Type

conference paper

Language

English

Original Abstract

The paper deals with the mechanism of eutectic formation in a nickel coated aluminium system after heat treatment. The initial coating was produced from a nickel powder by means of high velocity oxyfuel (HVOF) spraying onto an aluminium sheet substrate. Specimens for investigations were manufactured immediately after the spraying. The specimens were heat-treated using a differential thermal analysis (DTA) apparatus up to the temperature of 700 or 900 °C and then cooled down to room temperature in argon atmosphere with a constant heating and cooling rate of 5 °C / min, under which Al-Al3Ni + Al3Ni hypereutectic alloys were formed within the initial substrate. Two different alloy microstructures consisting of intermetallic layers and coarse eutectic or an ultrafine well-dispersed eutectic were formed. Formation processes and resulting microstructures were studied by means of DTA, metallography, scanning electron microscopy, focused ion beam, energy dispersive microanalysis and image analysis techniques.

Keywords

aluminium; aluminides; thermal spraying; differential thermal analysis; microscopy

Authors

ČELKO, L.; KLAKURKOVÁ, L.; SLÁMEČKA, K.; SMETANA, B.; ŽALUDOVÁ, M.; ŠVEJCAR, J.

RIV year

2014

Released

1. 4. 2014

Publisher

Trans Tech Publications

Location

Switzerland

ISBN

9783037859346

Book

Key Engineering Materials

ISBN

1013-9826

Periodical

Key Engineering Materials (print)

Year of study

592-593

Number

1

State

Swiss Confederation

Pages from

513

Pages to

516

Pages count

4

URL

http://www.scientific.net/KEM.592-593.453

BibTex

@inproceedings{BUT111380,
  author="Ladislav {Čelko} and Lenka {Klakurková} and Karel {Slámečka} and Bedřich {Smetana} and Monika {Žaludová} and Jiří {Švejcar}",
  title="Effect of Heat Treatment on Formation of Al-Al3Ni Hypereutectic Alloy",
  booktitle="Key Engineering Materials",
  year="2014",
  journal="Key Engineering Materials (print)",
  volume="592-593",
  number="1",
  pages="513--516",
  publisher="Trans Tech Publications",
  address="Switzerland",
  doi="10.4028/www.scientific.net/KEM.592-593.513",
  isbn="9783037859346",
  issn="1013-9826",
  url="http://www.scientific.net/KEM.592-593.453"
}