<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Positron annihilation spectroscopy (PAS) has been used to study the annealing behavior of cold rolled Fe – 21 wt% Mn steel with 0.05 wt% C. After the initial annealing of defects shown by Doppler broadening of the annihilation line, a slight increase in the annihilation line shape parameter, i.e., the so-called S parameter and then its decrease in the temperature range between 225°C and 450°C indicates generation of new defects and their subsequent annealing. This temperature range coincides with X-ray diffraction measurements, which indicate reversion of deformation-induced ε-martensite. However, for annealing in this temperature range with slow cooling of the sample, the formation of ferrite already starts. The results are compared with our previous results for deformed austenitic stainless steel 1.4301 (EN) where only reversion of deformation-induced α′-martensite was detected.</p></abstract>

Positron annihilation spectroscopy (PAS) has been used to study the annealing behavior of cold rolled Fe – 21 wt% Mn steel with 0.05 wt% C. After the initial annealing of defects shown by Doppler broadening of the annihilation line, a slight increase in the annihilation line shape parameter, i.e., the so-called S parameter and then its decrease in the temperature range between 225°C and 450°C indicates generation of new defects and their subsequent annealing. This temperature range coincides with X-ray diffraction measurements, which indicate reversion of deformation-induced ε-martensite. However, for annealing in this temperature range with slow cooling of the sample, the formation of ferrite already starts. The results are compared with our previous results for deformed austenitic stainless steel 1.4301 (EN) where only reversion of deformation-induced α′-martensite was detected.

Positron annihilation studies of high-manganese steel deformed by rolling

Institute of Nuclear Physics of the Polish Academy of Sciences, 152 Radzikowskiego Str., 31-342 Kraków, Poland, Tel.: +48 12 662 8370, Fax: +48 12 662 8458

AGH University of Science and Technology, 30 Mickiewicza Ave., 90-059 Kraków, Poland

Nukleonika

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Positron annihilation studies of high-manganese steel deformed by rolling"}

Positron annihilation spectroscopy (PAS) has been used to study the annealing behavior of cold rolled Fe – 21 wt% Mn steel with 0.05 wt% C. After the initial...

Positron annihilation studies of high-manganese steel deformed by rolling

Published Online: Dec 01, 2015

Page range: 709 - 712

Received: Jun 25, 2015

Accepted: Aug 24, 2015

DOI: https://doi.org/10.1515/nuka-2015-0126

Keywords
plastic deformation, positron annihilation, high manganese steel

© 2015 Ewa Dryzek et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Positron annihilation studies of high-manganese steel deformed by rolling

Published Online: Dec 01, 2015

Page range: 709 - 712

Received: Jun 25, 2015

Accepted: Aug 24, 2015

DOI: https://doi.org/10.1515/nuka-2015-0126

Keywordsplastic deformation, positron annihilation, high manganese steel

© 2015 Ewa Dryzek et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
plastic deformation, positron annihilation, high manganese steel