Detail publikace

Intensive particle rearrangement in the early stage of spark plasmasintering process

WANG, L. POUCHLÝ, V. MACA, K. SHEN, Z. XIONG, Y.

Originální název

Intensive particle rearrangement in the early stage of spark plasmasintering process

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

The densification behaviors of 3 mol% yttria-stabilized tetragonal zirconia polycrystal (3Y-TZP) ceramicsduring spark plasma sintering (SPS) were analyzed both using the master sintering curve (MSC) approachand by evaluating the temperature dependent evolution of density and densification rate. It was foundthat densification curves could hardly be fitted using one apparent activation energy value by MSCconception, by which it indicated that more than one densification mechanisms were involved in SPS.Moreover, dependent neither on applied pressure (20–100 MPa) nor heating rates higher than 50◦C/min,the maximum densification rate had always been observed at rather similar ∼78% of theoretical density(TD) accompanied with negligible grain growth. An intensive particle rearrangement mechanism wasproposed to dominate the rapid densification to 78% TD in early stage of SPS process, by which it yieldedthe considerable faster densification rate than those achievable by diffusion-related processes.

Klíčová slova

Spark plasma sintering (SPS), Densification, Particle rearrangementa

Autoři

WANG, L.; POUCHLÝ, V.; MACA, K.; SHEN, Z.; XIONG, Y.

Rok RIV

2015

Vydáno

1. 6. 2015

ISSN

2187-0764

Periodikum

Journal of Asian Ceramic Societies

Ročník

3

Číslo

2

Stát

Japonsko

Strany od

183

Strany do

187

Strany počet

5

BibTex

@article{BUT124193,
  author="Ling {Wang} and Václav {Pouchlý} and Karel {Maca} and Zhijian {Shen} and Yan {Xiong}",
  title="Intensive particle rearrangement in the early stage of spark plasmasintering process",
  journal="Journal of Asian Ceramic Societies",
  year="2015",
  volume="3",
  number="2",
  pages="183--187",
  doi="10.1016/j.jascer.2015.02.004",
  issn="2187-0764"
}