Furnace and laser methods of bonding metals to ceramics: Interface investigation

V. Curicuta; D. R. Alexander; Y. Liu; B. W. Robertson; D. E. Poulain

doi:10.1016/S0921-5107(99)00588-7

Furnace and laser methods of bonding metals to ceramics: Interface investigation

V. Curicuta, D. R. Alexander, Y. Liu, B. W. Robertson, D. E. Poulain

Electrical & Computer Engineering

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

9 Scopus citations

Abstract

Furnace and laser methods of direct bonding copper to industrial alumina in nearly inert atmospheres are investigated. Of specific interest is the interface and its characterization. Lasers of different wavelengths are employed to heat the metal component for a sufficient time to create a metal-metal oxide eutectic melt at the metal-ceramic interface. X-ray diffraction, transmission electron microscopy and high-resolution transmission electron microscopy are used to investigate metal-ceramic interfaces. Samples heated in a furnace and by laser beam were found to have a diffuse metal ceramic interface. The electron diffraction patterns indicate the phase at the interface (Cu/α-Al₂O₃) is cubic with the CuAl₂O₄ crystallographic structure. Samples heated by an excimer laser have a nano-sized grain structure in the top copper layer.

Original language	English (US)
Pages (from-to)	196-203
Number of pages	8
Journal	Materials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume	68
Issue number	3
DOIs	https://doi.org/10.1016/S0921-5107(99)00588-7
State	Published - Jan 3 2000

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Cite this

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title = "Furnace and laser methods of bonding metals to ceramics: Interface investigation",

abstract = "Furnace and laser methods of direct bonding copper to industrial alumina in nearly inert atmospheres are investigated. Of specific interest is the interface and its characterization. Lasers of different wavelengths are employed to heat the metal component for a sufficient time to create a metal-metal oxide eutectic melt at the metal-ceramic interface. X-ray diffraction, transmission electron microscopy and high-resolution transmission electron microscopy are used to investigate metal-ceramic interfaces. Samples heated in a furnace and by laser beam were found to have a diffuse metal ceramic interface. The electron diffraction patterns indicate the phase at the interface (Cu/α-Al2O3) is cubic with the CuAl2O4 crystallographic structure. Samples heated by an excimer laser have a nano-sized grain structure in the top copper layer.",

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T1 - Furnace and laser methods of bonding metals to ceramics

T2 - Interface investigation

AU - Curicuta, V.

AU - Alexander, D. R.

AU - Liu, Y.

AU - Robertson, B. W.

AU - Poulain, D. E.

PY - 2000/1/3

Y1 - 2000/1/3

N2 - Furnace and laser methods of direct bonding copper to industrial alumina in nearly inert atmospheres are investigated. Of specific interest is the interface and its characterization. Lasers of different wavelengths are employed to heat the metal component for a sufficient time to create a metal-metal oxide eutectic melt at the metal-ceramic interface. X-ray diffraction, transmission electron microscopy and high-resolution transmission electron microscopy are used to investigate metal-ceramic interfaces. Samples heated in a furnace and by laser beam were found to have a diffuse metal ceramic interface. The electron diffraction patterns indicate the phase at the interface (Cu/α-Al2O3) is cubic with the CuAl2O4 crystallographic structure. Samples heated by an excimer laser have a nano-sized grain structure in the top copper layer.

AB - Furnace and laser methods of direct bonding copper to industrial alumina in nearly inert atmospheres are investigated. Of specific interest is the interface and its characterization. Lasers of different wavelengths are employed to heat the metal component for a sufficient time to create a metal-metal oxide eutectic melt at the metal-ceramic interface. X-ray diffraction, transmission electron microscopy and high-resolution transmission electron microscopy are used to investigate metal-ceramic interfaces. Samples heated in a furnace and by laser beam were found to have a diffuse metal ceramic interface. The electron diffraction patterns indicate the phase at the interface (Cu/α-Al2O3) is cubic with the CuAl2O4 crystallographic structure. Samples heated by an excimer laser have a nano-sized grain structure in the top copper layer.

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Furnace and laser methods of bonding metals to ceramics: Interface investigation

Abstract

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