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Interface Science of Controlled Metal/Metal and Metal/Ceramic Interfaces Prepared using Ultrahigh Vacuum Diffusion Bonding

Published online by Cambridge University Press:  15 February 2011

Wayne E. King ,
G. H. Campbell ,
A. W. Coombs ,
G. W. Johnson ,
B. E. Kelly ,
T. C. Reitz ,
S. L. Stoner ,
W. L. Wien  and
D. M. Wilson
Wayne E. King
Affiliation:
Chemistry and Materials Science Department, University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
G. H. Campbell
Affiliation:
Chemistry and Materials Science Department, University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
A. W. Coombs
Affiliation:
Chemistry and Materials Science Department, University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
G. W. Johnson
Affiliation:
Chemistry and Materials Science Department, University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
B. E. Kelly
Affiliation:
Chemistry and Materials Science Department, University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
T. C. Reitz
Affiliation:
Chemistry and Materials Science Department, University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
S. L. Stoner
Affiliation:
Chemistry and Materials Science Department, University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
W. L. Wien
Affiliation:
Chemistry and Materials Science Department, University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
D. M. Wilson
Affiliation:
Chemistry and Materials Science Department, University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
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Abstract

We have designed, constructed, and are operating a unique capability for the production of highly controlled homophase and heterophase interfaces: an ultrahigh vacuum diffusion bonding machine. This machine is based on a previous design which is operating at the Max Planck Institut für Metallforschung, Institut für Werkstoffwissenschaft, Stuttgart, FRG. In this method, flat-polished single or polycrystals of materials with controlled surface topography can be heat treated up to 1500°C in ultrahigh vacuum. Surfaces of annealed samples can be sputter cleaned and characterized prior to bonding. Samples can then be precisely aligned crystallographically to obtain desired grain boundary misorientations. Material couples can then be bonded at temperatures up to 1500°C and pressures up to 10 MPa. Results are presented from our initial work on Mo grain boundaries and Cu/Al2O3 interfaces.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 314: Symposium R – Joining and Adhesion of Advanced Inorganic Materials , 1993 , 61
Copyright
Copyright © Materials Research Society 1993

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References

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