Crystallization of inviscid melt spun (IMS) calcia-alumina (CA) eutectic fibers

Yun Mo Sung; Stanley A. Dunn; James A. Koutsky

doi:10.1016/0272-8842(95)90906-Y

Crystallization of inviscid melt spun (IMS) calcia-alumina (CA) eutectic fibers

Yun Mo Sung, Stanley A. Dunn, James A. Koutsky

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

14 Citations (Scopus)

Abstract

Crystallization behavior of vitreous calcia-alumina (CA) fibers of eutectic composition (46.5 wt% CaO-53.5 wt% Al₂O₃) was studied by differential thermal analysis (DTA), scanning electron microscopy (SEM) and X-ray diffraction (XRD). From DTA results, crystallization temperature of the CA fibers ranges from 948 to 1034 °C according to DTA heating rates. The activation energy value for crystallization of the CA fibers was determined as 490 kJ/mol and 477 kJ/mol via Kissinger and Augis-Bennett methods, respectively. SEM for crystallized CA fibers showed surface roughness, whereas that for vitreous CA fibers showed typical glassy fracture. Wide angle X-ray diffractometer analysis on CA fibers which were crystallized by the DTA scans showed Ca₁₂Al₁₄O₃₃ formation as a major phase and CaAl₂O₄ formation as a minor phase.

Original language	English
Pages (from-to)	169-172
Number of pages	4
Journal	Ceramics International
Volume	21
Issue number	3
DOIs	https://doi.org/10.1016/0272-8842(95)90906-Y
Publication status	Published - 1995
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/0272-8842(95)90906-Y

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@article{25a7603b8fa34d13978bc54ec1341ead,

title = "Crystallization of inviscid melt spun (IMS) calcia-alumina (CA) eutectic fibers",

abstract = "Crystallization behavior of vitreous calcia-alumina (CA) fibers of eutectic composition (46.5 wt% CaO-53.5 wt% Al2O3) was studied by differential thermal analysis (DTA), scanning electron microscopy (SEM) and X-ray diffraction (XRD). From DTA results, crystallization temperature of the CA fibers ranges from 948 to 1034 °C according to DTA heating rates. The activation energy value for crystallization of the CA fibers was determined as 490 kJ/mol and 477 kJ/mol via Kissinger and Augis-Bennett methods, respectively. SEM for crystallized CA fibers showed surface roughness, whereas that for vitreous CA fibers showed typical glassy fracture. Wide angle X-ray diffractometer analysis on CA fibers which were crystallized by the DTA scans showed Ca12Al14O33 formation as a major phase and CaAl2O4 formation as a minor phase.",

author = "Sung, {Yun Mo} and Dunn, {Stanley A.} and Koutsky, {James A.}",

note = "Funding Information: We would like to acknowledge the financial support by the memberso f the Consortium for Redrawn Inviscid Melt-Spinning (RIMS) and Related Fiber Technology:S t. Gobain Recherche, Thermal Ceramics, General Motors, Hoechst-Celanesea nd Toyobo, New York. We also wish to thank ProfessorJ ohn H. Perepezkoa t the Uni-versityo f Wisconsin-Madisonf or providing access to DTA equipment.",

year = "1995",

doi = "10.1016/0272-8842(95)90906-Y",

language = "English",

volume = "21",

pages = "169--172",

journal = "Ceramics International",

issn = "0272-8842",

publisher = "Elsevier Limited",

number = "3",

}

TY - JOUR

T1 - Crystallization of inviscid melt spun (IMS) calcia-alumina (CA) eutectic fibers

AU - Sung, Yun Mo

AU - Dunn, Stanley A.

AU - Koutsky, James A.

N1 - Funding Information: We would like to acknowledge the financial support by the memberso f the Consortium for Redrawn Inviscid Melt-Spinning (RIMS) and Related Fiber Technology:S t. Gobain Recherche, Thermal Ceramics, General Motors, Hoechst-Celanesea nd Toyobo, New York. We also wish to thank ProfessorJ ohn H. Perepezkoa t the Uni-versityo f Wisconsin-Madisonf or providing access to DTA equipment.

PY - 1995

Y1 - 1995

N2 - Crystallization behavior of vitreous calcia-alumina (CA) fibers of eutectic composition (46.5 wt% CaO-53.5 wt% Al2O3) was studied by differential thermal analysis (DTA), scanning electron microscopy (SEM) and X-ray diffraction (XRD). From DTA results, crystallization temperature of the CA fibers ranges from 948 to 1034 °C according to DTA heating rates. The activation energy value for crystallization of the CA fibers was determined as 490 kJ/mol and 477 kJ/mol via Kissinger and Augis-Bennett methods, respectively. SEM for crystallized CA fibers showed surface roughness, whereas that for vitreous CA fibers showed typical glassy fracture. Wide angle X-ray diffractometer analysis on CA fibers which were crystallized by the DTA scans showed Ca12Al14O33 formation as a major phase and CaAl2O4 formation as a minor phase.

AB - Crystallization behavior of vitreous calcia-alumina (CA) fibers of eutectic composition (46.5 wt% CaO-53.5 wt% Al2O3) was studied by differential thermal analysis (DTA), scanning electron microscopy (SEM) and X-ray diffraction (XRD). From DTA results, crystallization temperature of the CA fibers ranges from 948 to 1034 °C according to DTA heating rates. The activation energy value for crystallization of the CA fibers was determined as 490 kJ/mol and 477 kJ/mol via Kissinger and Augis-Bennett methods, respectively. SEM for crystallized CA fibers showed surface roughness, whereas that for vitreous CA fibers showed typical glassy fracture. Wide angle X-ray diffractometer analysis on CA fibers which were crystallized by the DTA scans showed Ca12Al14O33 formation as a major phase and CaAl2O4 formation as a minor phase.

UR - http://www.scopus.com/inward/record.url?scp=0012606272&partnerID=8YFLogxK

U2 - 10.1016/0272-8842(95)90906-Y

DO - 10.1016/0272-8842(95)90906-Y

M3 - Article

AN - SCOPUS:0012606272

SN - 0272-8842

VL - 21

SP - 169

EP - 172

JO - Ceramics International

JF - Ceramics International

IS - 3

ER -

Crystallization of inviscid melt spun (IMS) calcia-alumina (CA) eutectic fibers

Abstract

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