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Laser Pulse Melting of Metals: Epitaxy and Allotropy

Published online by Cambridge University Press:  15 February 2011

L. Buene ,
E. N. Kaufmann ,
C. M. Preece  and
C. W. Draper
L. Buene
Affiliation:
Bell Laboratories, Murray Hill, N.J. 07974
E. N. Kaufmann
Affiliation:
Bell Laboratories, Murray Hill, N.J. 07974
C. M. Preece
Affiliation:
Bell Laboratories, Murray Hill, N.J. 07974
C. W. Draper
Affiliation:
Western Electric Engineering Research Center, Princeton, N.J. 08540
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Abstract

Laser pulse melted single crystals of several metals have been examined by the Rutherford backscattering/channeling technique and with optical and scanning electron microscopy. Metals belonging to the three major structure groups; fcc (Ni, Pd, Rh); bcc(Mo, Nb, W, Fe); and hcp (Be, Ti, Re) have been studied at various laser power levels and in different crystallographic orientations. Of these cases, Be, Ti and Fe show high temperature allotropes which are expected to influence the character of the resolidified surface layer.

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References

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