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

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

Research output: Contribution to journalArticle

9 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)196-203
Number of pages8
JournalMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume68
Issue number3
DOIs
StatePublished - Jan 3 2000

Fingerprint

metal bonding
Cermets
furnaces
Furnaces
Metals
ceramics
Lasers
Copper
metals
lasers
Aluminum Oxide
Crystal microstructure
Excimer lasers
High resolution transmission electron microscopy
Electron diffraction
Oxides
Eutectics
Diffraction patterns
Laser beams
Alumina

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Furnace and laser methods of bonding metals to ceramics : Interface investigation. / Curicuta, V.; Alexander, D. R.; Liu, Y.; Robertson, B. W.; Poulain, D. E.

In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology, Vol. 68, No. 3, 03.01.2000, p. 196-203.

Research output: Contribution to journalArticle

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