Anisotropy in activation energy of textured LiCoO2 for the initial stage of sintering

H. Yamada; T. S. Suzuki; T. Uchikoshi; M. Hozumi; T. Saito; Y. Sakka

doi:10.1016/j.jeurceramsoc.2012.10.038

Anisotropy in activation energy of textured LiCoO₂ for the initial stage of sintering

H. Yamada, T. S. Suzuki, T. Uchikoshi, M. Hozumi, T. Saito, Y. Sakka^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The anisotropic initial sintering of oriented LiCoO₂ green compacts prepared by slip casting in a strong magnetic field was studied. The activation energy and the mechanism of the initial stage of sintering were analyzed in order to understand the effect of the orientation. The analysis was carried out using constant rate heating (CRH). The activation energy of the initial stages of sintering for random, a, b-axes and c-axis direction was evaluated from the Arrhenius plots of the dilatometric measurements. It was confirmed that the activation energy of the c-axis direction was larger than that of the a, b-axes direction at the initial stage of sintering. The anisotropic shrinkage was attributed to the differences in the surface energies.

Original language	English
Pages (from-to)	1037-1044
Number of pages	8
Journal	Journal of the European Ceramic Society
Volume	33
Issue number	5
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2012.10.038
Publication status	Published - 2013 May
Externally published	Yes

Keywords

Activation energy
Anisotropy
LiCoO
Orientation
Shrinkage

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

Access to Document

10.1016/j.jeurceramsoc.2012.10.038

Cite this

@article{29954e45d801412f963ebabf19a5c720,

title = "Anisotropy in activation energy of textured LiCoO2 for the initial stage of sintering",

abstract = "The anisotropic initial sintering of oriented LiCoO2 green compacts prepared by slip casting in a strong magnetic field was studied. The activation energy and the mechanism of the initial stage of sintering were analyzed in order to understand the effect of the orientation. The analysis was carried out using constant rate heating (CRH). The activation energy of the initial stages of sintering for random, a, b-axes and c-axis direction was evaluated from the Arrhenius plots of the dilatometric measurements. It was confirmed that the activation energy of the c-axis direction was larger than that of the a, b-axes direction at the initial stage of sintering. The anisotropic shrinkage was attributed to the differences in the surface energies.",

keywords = "Activation energy, Anisotropy, LiCoO, Orientation, Shrinkage",

author = "H. Yamada and Suzuki, {T. S.} and T. Uchikoshi and M. Hozumi and T. Saito and Y. Sakka",

year = "2013",

month = may,

doi = "10.1016/j.jeurceramsoc.2012.10.038",

language = "English",

volume = "33",

pages = "1037--1044",

journal = "Journal of the European Ceramic Society",

issn = "0955-2219",

publisher = "Elsevier BV",

number = "5",

}

TY - JOUR

T1 - Anisotropy in activation energy of textured LiCoO2 for the initial stage of sintering

AU - Yamada, H.

AU - Suzuki, T. S.

AU - Uchikoshi, T.

AU - Hozumi, M.

AU - Saito, T.

AU - Sakka, Y.

PY - 2013/5

Y1 - 2013/5

N2 - The anisotropic initial sintering of oriented LiCoO2 green compacts prepared by slip casting in a strong magnetic field was studied. The activation energy and the mechanism of the initial stage of sintering were analyzed in order to understand the effect of the orientation. The analysis was carried out using constant rate heating (CRH). The activation energy of the initial stages of sintering for random, a, b-axes and c-axis direction was evaluated from the Arrhenius plots of the dilatometric measurements. It was confirmed that the activation energy of the c-axis direction was larger than that of the a, b-axes direction at the initial stage of sintering. The anisotropic shrinkage was attributed to the differences in the surface energies.

AB - The anisotropic initial sintering of oriented LiCoO2 green compacts prepared by slip casting in a strong magnetic field was studied. The activation energy and the mechanism of the initial stage of sintering were analyzed in order to understand the effect of the orientation. The analysis was carried out using constant rate heating (CRH). The activation energy of the initial stages of sintering for random, a, b-axes and c-axis direction was evaluated from the Arrhenius plots of the dilatometric measurements. It was confirmed that the activation energy of the c-axis direction was larger than that of the a, b-axes direction at the initial stage of sintering. The anisotropic shrinkage was attributed to the differences in the surface energies.

KW - Activation energy

KW - Anisotropy

KW - LiCoO

KW - Orientation

KW - Shrinkage

UR - http://www.scopus.com/inward/record.url?scp=84872286694&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84872286694&partnerID=8YFLogxK

U2 - 10.1016/j.jeurceramsoc.2012.10.038

DO - 10.1016/j.jeurceramsoc.2012.10.038

M3 - Article

AN - SCOPUS:84872286694

SN - 0955-2219

VL - 33

SP - 1037

EP - 1044

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

IS - 5

ER -