Publication result detail

A Practical Approach for the Calculation of the Activation Energy of the Sintering

POUCHLÝ, V.; HRUBÝ, J.; MACA, K.

Original Title

A Practical Approach for the Calculation of the Activation Energy of the Sintering

English Title

A Practical Approach for the Calculation of the Activation Energy of the Sintering

Type

WoS Article

Original Abstract

Newly developed software for calculation of activation energy (Qs in the following) of sintering using the Wang and Raj model is presented. To demonstrate the practical potential of the software and to evaluate the behaviour of the Qs during the sintering process, alumina and cubic zirconia ceramic compacts were prepared from nanometric powders. The results obtained with both materials are in agreement with previously published data calculated by different approaches. In the interval of interest (relative densities from 60 % to almost 100 % of theoretical density), both materials show similar behaviour. Three distinct regions can be seen: the initial constant values of Qs 868 kJ/mol and 762 kJ/mol for alumina and cubic zirconia, respectively; a region containing linear drop of Qs and the final region of constant Qs values 625 kJ/mol and 645 kJ/mol for alumina and cubic zirconia, respectively.

English abstract

Newly developed software for calculation of activation energy (Qs in the following) of sintering using the Wang and Raj model is presented. To demonstrate the practical potential of the software and to evaluate the behaviour of the Qs during the sintering process, alumina and cubic zirconia ceramic compacts were prepared from nanometric powders. The results obtained with both materials are in agreement with previously published data calculated by different approaches. In the interval of interest (relative densities from 60 % to almost 100 % of theoretical density), both materials show similar behaviour. Three distinct regions can be seen: the initial constant values of Qs 868 kJ/mol and 762 kJ/mol for alumina and cubic zirconia, respectively; a region containing linear drop of Qs and the final region of constant Qs values 625 kJ/mol and 645 kJ/mol for alumina and cubic zirconia, respectively.

Keywords

Sintering, Activation energy, Alumina, Zirconia

Key words in English

Sintering, Activation energy, Alumina, Zirconia

Authors

POUCHLÝ, V.; HRUBÝ, J.; MACA, K.

RIV year

2017

Released

15.12.2016

Publisher

International Institute for the Science of Sintering

ISBN

0350-820X

Periodical

SCIENCE OF SINTERING

Volume

48

Number

3

State

Republic of Serbia

Pages from

317

Pages to

324

Pages count

8

URL

http://www.doiserbia.nb.rs/img/doi/0350-820X/2016/0350-820X1603317P.pdf

Full text in the Digital Library

http://hdl.handle.net/11012/63868

BibTex

@article{BUT130451,
  author="Václav {Pouchlý} and Jan {Hrubý} and Karel {Maca}",
  title="A Practical Approach for the Calculation of the Activation Energy of the Sintering",
  journal="SCIENCE OF SINTERING",
  year="2016",
  volume="48",
  number="3",
  pages="317--324",
  doi="10.2298/SOS1603317P",
  issn="0350-820X",
  url="http://www.doiserbia.nb.rs/img/doi/0350-820X/2016/0350-820X1603317P.pdf"
}

Documents

vol48_3_05