Interfacial phenomena during melt processing of ceramic particle-reinforced metal matrix composites part II. Interfacial force between a spherical particle and an approaching solid/liquid interface

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Abstract

The interfacial force acting between a spherical (ceramic) particle and an approaching (planar, metallic) solid/liquid interface has been studied, as important parameter in models describing pushing/engulfinent phenomena in melt processing of metal-matrix composite materials (MMCs). It is shown, that the equation widely used in the literature, according to which the interface force is proportional to expression Δσ = σsp - σlp - σsl (σ is the interface energy, indices s, l, p, refer to solid metal, liquid metal, ceramic particle) is not correct both from theoretical and practical points of view. A new concept has been developed, and a new expression for the interface force proportional with Δσ = 2σps - σpl - σsl has been derived. The later provides a Δσ value of +0.9 N/m for the Al/SiC system with non-oxidized interface.

Original languageEnglish
Pages (from-to)467-474
Number of pages8
JournalMaterials Science Forum
Volume215-216
Publication statusPublished - 1996

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metal matrix composites
liquid-solid interfaces
Metals
ceramics
Cermets
Composite materials
Liquids
Processing
Liquid metals
pushing
liquid metals
composite materials
metals
energy

Keywords

  • Ceramic Particles
  • Engulfment
  • Interfacial Force
  • Liquid Metals
  • Metal Matrix Composites
  • Pushing
  • Wetting

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

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abstract = "The interfacial force acting between a spherical (ceramic) particle and an approaching (planar, metallic) solid/liquid interface has been studied, as important parameter in models describing pushing/engulfinent phenomena in melt processing of metal-matrix composite materials (MMCs). It is shown, that the equation widely used in the literature, according to which the interface force is proportional to expression Δσ = σsp - σlp - σsl (σ is the interface energy, indices s, l, p, refer to solid metal, liquid metal, ceramic particle) is not correct both from theoretical and practical points of view. A new concept has been developed, and a new expression for the interface force proportional with Δσ = 2σps - σpl - σsl has been derived. The later provides a Δσ value of +0.9 N/m for the Al/SiC system with non-oxidized interface.",
keywords = "Ceramic Particles, Engulfment, Interfacial Force, Liquid Metals, Metal Matrix Composites, Pushing, Wetting",
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T1 - Interfacial phenomena during melt processing of ceramic particle-reinforced metal matrix composites part II. Interfacial force between a spherical particle and an approaching solid/liquid interface

AU - Kaptay, G.

PY - 1996

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N2 - The interfacial force acting between a spherical (ceramic) particle and an approaching (planar, metallic) solid/liquid interface has been studied, as important parameter in models describing pushing/engulfinent phenomena in melt processing of metal-matrix composite materials (MMCs). It is shown, that the equation widely used in the literature, according to which the interface force is proportional to expression Δσ = σsp - σlp - σsl (σ is the interface energy, indices s, l, p, refer to solid metal, liquid metal, ceramic particle) is not correct both from theoretical and practical points of view. A new concept has been developed, and a new expression for the interface force proportional with Δσ = 2σps - σpl - σsl has been derived. The later provides a Δσ value of +0.9 N/m for the Al/SiC system with non-oxidized interface.

AB - The interfacial force acting between a spherical (ceramic) particle and an approaching (planar, metallic) solid/liquid interface has been studied, as important parameter in models describing pushing/engulfinent phenomena in melt processing of metal-matrix composite materials (MMCs). It is shown, that the equation widely used in the literature, according to which the interface force is proportional to expression Δσ = σsp - σlp - σsl (σ is the interface energy, indices s, l, p, refer to solid metal, liquid metal, ceramic particle) is not correct both from theoretical and practical points of view. A new concept has been developed, and a new expression for the interface force proportional with Δσ = 2σps - σpl - σsl has been derived. The later provides a Δσ value of +0.9 N/m for the Al/SiC system with non-oxidized interface.

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