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The Effects of Ar-Bombardment on the Dissolution and Reprecipitation of Carbonitrides Implanted Into Low Carbon Steel

Published online by Cambridge University Press:  25 February 2011

Stella M. M. Ramos ,
L. Amaral ,
M. Behar ,
A. Vasquez  and
F. C. Zawislak
Stella M. M. Ramos
Affiliation:
Instituto de Física, UFRGS, 91500 Porto Alegre, Brasil
L. Amaral
Affiliation:
Instituto de Física, UFRGS, 91500 Porto Alegre, Brasil
M. Behar
Affiliation:
Instituto de Física, UFRGS, 91500 Porto Alegre, Brasil
A. Vasquez
Affiliation:
Instituto de Física, UFRGS, 91500 Porto Alegre, Brasil
F. C. Zawislak
Affiliation:
Instituto de Física, UFRGS, 91500 Porto Alegre, Brasil
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Abstract

The effects of Ar post-bombardment on the dissolution and reprecipitation of carbonitrides present in implanted 1020 low carbon steel are investigated using conversion electron Mössbauer spectroscopy (CEMS). The results are compared with similar experiments where samples of the same steel were post-bombarded with He. The experimental data show that the Ar is more efficient in the dissolution of precipitates and also more efficient in the precipitate retention at 450 °C, for the same peak concentration.

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References

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