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The Formation of Metal Carbide Layers by Elevated-Temperature Ion Implantation of Fe-Based Alloys

Published online by Cambridge University Press:  26 February 2011

J. A. Sprague  and
I. L. Singer
J. A. Sprague
Affiliation:
Naval Research Laboratory, Washington, DC 20375-5000
I. L. Singer
Affiliation:
Naval Research Laboratory, Washington, DC 20375-5000
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Abstract

An Fe-i % C alloy has been implanted at approximately 600 °C with V to a fluence of 5 × 1017 ions/cm2 and with Nb to a fluence of 3 × 1017 ions/cm2. For both implantations, Auger analysis showed that a nominally stoichiometric metal carbide layer formed beneath the surface. Below this layer, which was depleted of Fe, the metal carbide concentration decreased gradually, giving a continually graded interface with the bulk. TEM analysis showed a continuous layer of fine-grained VC or NbC, which displayed a preferred Baker-Nutting orientation relation with the underlying a-Fe matrix.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 100: Symposium – A Fundamentals of Beam-Solid Interactions and Transient Thermal Processing , 1988 , 169
Copyright
Copyright © Materials Research Society 1988

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References

REFERENCES

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