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Compared Nitrogen Implantations of Various Alloyed Steels

Published online by Cambridge University Press:  25 February 2011

N. Moncoffre ,
H. Jaffrezic ,
G. Marest ,
J. Tousset ,
F. C. Zawislak ,
S. Faveulle  and
J. Brissot
N. Moncoffre
Affiliation:
Institut de Physique Nucléaire land IN2P31, Université Lyon-1 (France)
H. Jaffrezic
Affiliation:
Institut de Physique Nucléaire land IN2P31, Université Lyon-1 (France)
G. Marest
Affiliation:
Institut de Physique Nucléaire land IN2P31, Université Lyon-1 (France)
J. Tousset
Affiliation:
Institut de Physique Nucléaire land IN2P31, Université Lyon-1 (France)
F. C. Zawislak
Affiliation:
Institut de Physique Nucléaire land IN2P31, Université Lyon-1 (France)
S. Faveulle
Affiliation:
CNRS/UA-447, Ecole Centrale de Lyon (France)
J. Brissot
Affiliation:
Science et Surface, Charbonnières (France)
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Abstract

Nitrogen implantations in pure iron and various stE-els are investigated using nuclear reaction analysis, Conversion Electron M6ssbauer Spectroscopy and Grazing angle X-ray Diffraction. The present work sums up all the significant results although it does not constitue a systematic study. It describes the influence of the chemical composition and the structure effect of the matrix as well as those of the implantation time. The N-martensite, ε-nitride and ε-carbonitride phases are principally identified. The fraction of iron bound with nitrogen is evaluated in the different steels. The strong influence of the small chromium amounts inside the matrix upon the nitride formation is underlined. A preferential orientation of these phases is shown. SIMS experiments are presented in particular to determine the carbon distribution in the first surface layers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 93: Symposium C – Materials Modification and Growth Using Ion Beams , 1987 , 341
Copyright
Copyright © Materials Research Society 1987

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References

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