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Ion-Beam Mixing and Tribology of Fe/B Multilayers

Published online by Cambridge University Press:  25 February 2011

Renyuan Hu ,
L. E. Rehn ,
G. R. Fenske  and
P. M. Baldo
Renyuan Hu
Affiliation:
Materials Science and
L. E. Rehn
Affiliation:
Materials Science and
G. R. Fenske
Affiliation:
Materials Components and Technology Divisions, Argonne National Laboratory, Argonne, IL 60439
P. M. Baldo
Affiliation:
Materials Science and
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Abstract

Interdiffusion of Fe and B trilayer specimens during 1-MeV Kr+ bombardment was studied using Rutherford backscattering and electron microscopy. The square of the interdiffusion distance during mixing at 300°C was found to depend linearly on the irradiation dose. Arrhenius behavior with an apparent activation enthalpy of 0.7 eV was observed for the mixing between 200 and 500°C. Electron microscopy of ion-beam mixed multilayer specimens revealed that two crystalline compounds, Fe2B and Fe3B, formed during bombardment at 450°C, while two different amorphous Fe/B phases formed at 300°C. Substantially improved adhesion and reduced friction were observed for Fe/B multilayers ion-beam mixed onto M50 steel substrates at 450°C.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 157: Symposium A – Beam-Solid Interactions: Physical Phenomena , 1989 , 215
Copyright
Copyright © Materials Research Society 1990

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References

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