Growth of mullite whiskers in mechanochemically activated oxides doped with WO3

L.B. Kong; H. Huang; T.S. Zhang; J. Ma; F. Boey; R.F. Zhang; Z.H. Wang

doi:10.1016/S0955-2219(03)00083-9

Growth of mullite whiskers in mechanochemically activated oxides doped with WO₃

L.B. Kong^*
, H. Huang
, T.S. Zhang
, J. Ma
, F. Boey
, R.F. Zhang
, Z.H. Wang

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

62 Citations (Scopus)

Abstract

The effect of WO₃ on mullite formation and mullite whisker morphology, in oxide mixtures activated by a high-energy ball milling process, was investigated. Differential thermal analysis (DTA) measurement indicated that WO₃ enhanced the mullite phase formation, with mullitization temperature of 951 °C, 921 °C and 835 °C for the samples doped with 5, 10 and 20 mol% WO₃, respectively. However, the presence of WO₃ had an undesired effect on the whisker morphology. A decrease in the length of mullite whisker was observed with increasing WO₃ content. The effect of WO₃ on the mullite phase formation temperature, as well as the whisker morphology, was explained using a dissolution-precipitation mechanism. © 2003 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	2257-2264
Journal	Journal of the European Ceramic Society
Volume	23
Issue number	13
Online published	17 Apr 2003
DOIs	https://doi.org/10.1016/S0955-2219(03)00083-9
Publication status	Published - Dec 2003
Externally published	Yes

Research Keywords

Anisotropy
Grain growth
Milling
Mullite
Whiskers

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title = "Growth of mullite whiskers in mechanochemically activated oxides doped with WO3",

abstract = "The effect of WO3 on mullite formation and mullite whisker morphology, in oxide mixtures activated by a high-energy ball milling process, was investigated. Differential thermal analysis (DTA) measurement indicated that WO3 enhanced the mullite phase formation, with mullitization temperature of 951 °C, 921 °C and 835 °C for the samples doped with 5, 10 and 20 mol\% WO3, respectively. However, the presence of WO3 had an undesired effect on the whisker morphology. A decrease in the length of mullite whisker was observed with increasing WO3 content. The effect of WO3 on the mullite phase formation temperature, as well as the whisker morphology, was explained using a dissolution-precipitation mechanism. {\textcopyright} 2003 Elsevier Ltd. All rights reserved.",

keywords = "Anisotropy, Grain growth, Milling, Mullite, Whiskers",

author = "L.B. Kong and H. Huang and T.S. Zhang and J. Ma and F. Boey and R.F. Zhang and Z.H. Wang",

year = "2003",

month = dec,

doi = "10.1016/S0955-2219(03)00083-9",

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journal = "Journal of the European Ceramic Society",

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}

TY - JOUR

T1 - Growth of mullite whiskers in mechanochemically activated oxides doped with WO3

AU - Kong, L.B.

AU - Huang, H.

AU - Zhang, T.S.

AU - Ma, J.

AU - Boey, F.

AU - Zhang, R.F.

AU - Wang, Z.H.

PY - 2003/12

Y1 - 2003/12

N2 - The effect of WO3 on mullite formation and mullite whisker morphology, in oxide mixtures activated by a high-energy ball milling process, was investigated. Differential thermal analysis (DTA) measurement indicated that WO3 enhanced the mullite phase formation, with mullitization temperature of 951 °C, 921 °C and 835 °C for the samples doped with 5, 10 and 20 mol% WO3, respectively. However, the presence of WO3 had an undesired effect on the whisker morphology. A decrease in the length of mullite whisker was observed with increasing WO3 content. The effect of WO3 on the mullite phase formation temperature, as well as the whisker morphology, was explained using a dissolution-precipitation mechanism. © 2003 Elsevier Ltd. All rights reserved.

AB - The effect of WO3 on mullite formation and mullite whisker morphology, in oxide mixtures activated by a high-energy ball milling process, was investigated. Differential thermal analysis (DTA) measurement indicated that WO3 enhanced the mullite phase formation, with mullitization temperature of 951 °C, 921 °C and 835 °C for the samples doped with 5, 10 and 20 mol% WO3, respectively. However, the presence of WO3 had an undesired effect on the whisker morphology. A decrease in the length of mullite whisker was observed with increasing WO3 content. The effect of WO3 on the mullite phase formation temperature, as well as the whisker morphology, was explained using a dissolution-precipitation mechanism. © 2003 Elsevier Ltd. All rights reserved.

KW - Anisotropy

KW - Grain growth

KW - Milling

KW - Mullite

KW - Whiskers

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DO - 10.1016/S0955-2219(03)00083-9

M3 - RGC 21 - Publication in refereed journal

SN - 0955-2219

VL - 23

SP - 2257

EP - 2264

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

IS - 13

ER -