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Thermal Surface Treatment Using Intense, Pulsed Ion Beams

Published online by Cambridge University Press:  22 February 2011

R. W. Stinnett ,
R. G. Buchheit ,
F. A. Greulich ,
C. R. Hills ,
A. C. Kilgo ,
D. C. Mclntyre ,
J. B. Greenly ,
M. O. Thompson ,
G. P. Johnston  and
D. J. Rej
R. W. Stinnett
Affiliation:
Sandia National Laboratories
R. G. Buchheit
Affiliation:
Sandia National Laboratories
F. A. Greulich
Affiliation:
Sandia National Laboratories
C. R. Hills
Affiliation:
Sandia National Laboratories
A. C. Kilgo
Affiliation:
Sandia National Laboratories
D. C. Mclntyre
Affiliation:
Sandia National Laboratories
J. B. Greenly
Affiliation:
Cornell University
M. O. Thompson
Affiliation:
Cornell University
G. P. Johnston
Affiliation:
University of New Mexico
D. J. Rej
Affiliation:
Los Alamos National Laboratory
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Abstract

Surface treatment experiments using intense pulsed ion beams have demonstrated new capabilities for materials surface treatment. These experiments have confirmed corrosion resistance, surface hardening, amorphous layer and nanocrystalline grain size formation, metal surface polishing, controlled melt of ceramic surfaces, surface cleaning and oxide layer removal by rapid melting and resolidification. Deposition of beam energy in a thin surface layer allows melting of the layer with relatively small energies (1-10 J/cm2) and allows rapid cooling (109-1010 K/sec) and resolidification of the melted layer by thermal diffusion into the underlying substrate. At higher intensities (≥20 J/cm2), this technology can provide rapid ablation of material from targets followed by rapid, congruent deposition of polycrystalline thin films on substrates. This technology uses high energy pulsed (40–400 ns) ion beams to directly deposit energy in the top 2–20 micrometers of the surface of materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 316: Symposium A – Materials Synthesis and Processing Using Ion Beams , 1993 , 521
Copyright
Copyright © Materials Research Society 1994

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References

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