Wetting behaviour and mullite formation at the interface of inviscid melt-spun CaO-Al2O3 fibre-reinforced Al-Si alloy (4032) composite

Yun Mo Sung; Kyung Yol Yon; S. A. Dunn; J. A. Koutsky

doi:10.1007/BF00349950

Wetting behaviour and mullite formation at the interface of inviscid melt-spun CaO-Al₂O₃ fibre-reinforced Al-Si alloy (4032) composite

Yun Mo Sung, Kyung Yol Yon, S. A. Dunn, J. A. Koutsky

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

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Abstract

Inviscid melt-spun calcia-alumina fibre-reinforced aluminium-silicon alloy (4032) composites were produced using a melt-infiltration technique. Scanning electron microscopy, energy dispersive X-ray spectroscopy (EDS), and X-ray diffraction (XRD) were used to investigate interfacial wetting and interphase formation, and identify the crystalline phase of the interphase of these composites. The composites processed at 700°C showed a good interfacial wetting and silicon accumulation at the interface. The composites processed at 927°C showed formation of an interphase region of about 10-20 μm thick, as well as excellent interfacial wetting. EDS analysis gave averaged compositions of this interphase region at 74 wt % Al and 26 wt % Si, which corresponds to the composition of mullite (3Al₂O₃ · 2SiO₂). The formation of mullite at the interface was confirmed by XRD analysis.

Original language	English
Pages (from-to)	5583-5588
Number of pages	6
Journal	Journal of Materials Science
Volume	29
Issue number	21
DOIs	https://doi.org/10.1007/BF00349950
Publication status	Published - 1994 Jan
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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title = "Wetting behaviour and mullite formation at the interface of inviscid melt-spun CaO-Al2O3 fibre-reinforced Al-Si alloy (4032) composite",

abstract = "Inviscid melt-spun calcia-alumina fibre-reinforced aluminium-silicon alloy (4032) composites were produced using a melt-infiltration technique. Scanning electron microscopy, energy dispersive X-ray spectroscopy (EDS), and X-ray diffraction (XRD) were used to investigate interfacial wetting and interphase formation, and identify the crystalline phase of the interphase of these composites. The composites processed at 700°C showed a good interfacial wetting and silicon accumulation at the interface. The composites processed at 927°C showed formation of an interphase region of about 10-20 μm thick, as well as excellent interfacial wetting. EDS analysis gave averaged compositions of this interphase region at 74 wt % Al and 26 wt % Si, which corresponds to the composition of mullite (3Al2O3 · 2SiO2). The formation of mullite at the interface was confirmed by XRD analysis.",

author = "Sung, {Yun Mo} and Yon, {Kyung Yol} and Dunn, {S. A.} and Koutsky, {J. A.}",

year = "1994",

month = jan,

doi = "10.1007/BF00349950",

language = "English",

volume = "29",

pages = "5583--5588",

journal = "Journal of Materials Science",

issn = "0022-2461",

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T1 - Wetting behaviour and mullite formation at the interface of inviscid melt-spun CaO-Al2O3 fibre-reinforced Al-Si alloy (4032) composite

AU - Sung, Yun Mo

AU - Yon, Kyung Yol

AU - Dunn, S. A.

AU - Koutsky, J. A.

PY - 1994/1

Y1 - 1994/1

N2 - Inviscid melt-spun calcia-alumina fibre-reinforced aluminium-silicon alloy (4032) composites were produced using a melt-infiltration technique. Scanning electron microscopy, energy dispersive X-ray spectroscopy (EDS), and X-ray diffraction (XRD) were used to investigate interfacial wetting and interphase formation, and identify the crystalline phase of the interphase of these composites. The composites processed at 700°C showed a good interfacial wetting and silicon accumulation at the interface. The composites processed at 927°C showed formation of an interphase region of about 10-20 μm thick, as well as excellent interfacial wetting. EDS analysis gave averaged compositions of this interphase region at 74 wt % Al and 26 wt % Si, which corresponds to the composition of mullite (3Al2O3 · 2SiO2). The formation of mullite at the interface was confirmed by XRD analysis.

AB - Inviscid melt-spun calcia-alumina fibre-reinforced aluminium-silicon alloy (4032) composites were produced using a melt-infiltration technique. Scanning electron microscopy, energy dispersive X-ray spectroscopy (EDS), and X-ray diffraction (XRD) were used to investigate interfacial wetting and interphase formation, and identify the crystalline phase of the interphase of these composites. The composites processed at 700°C showed a good interfacial wetting and silicon accumulation at the interface. The composites processed at 927°C showed formation of an interphase region of about 10-20 μm thick, as well as excellent interfacial wetting. EDS analysis gave averaged compositions of this interphase region at 74 wt % Al and 26 wt % Si, which corresponds to the composition of mullite (3Al2O3 · 2SiO2). The formation of mullite at the interface was confirmed by XRD analysis.

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Wetting behaviour and mullite formation at the interface of inviscid melt-spun CaO-Al₂O₃ fibre-reinforced Al-Si alloy (4032) composite

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