Abstract
We have investigated the effect of magnetic field on the austenite({gamma})-ferrite({alpha}) equilibrium in Fe-xNi alloys with x = 0, 2, 4 wt%. The {alpha}{yields}{gamma} and {gamma}{yields}{alpha} transformations have been followed as a function of applied magnetic field by a laser dilatometer installed in a 16T superconducting magnet. In addition, magnetic measurements at high temperature have been used to follow the magnetic behavior of each alloy composition during a complete heat treatment. We observe a shift of the phase diagram to higher temperature as the magnetic field is increased. We also find that the {alpha}-phase is either in the paramagnetic or in the ferromagnetic state as the transformation proceeds, depending on the amount of Ni. This results in an increase of the transformation temperature which is respectively proportional to the magnetic field if ferrite is formed in the ferromagnetic state and proportional to the square of the magnetic field if ferrite is paramagnetic.
Garcin, T;
Rivoirard, S;
Beaugnon, E
[1]
- CNRS/CRETA 25 rue des martyrs BP166 38042 Grenoble CEDEX 9 (France)
Citation Formats
Garcin, T, Rivoirard, S, and Beaugnon, E.
In situ characterization of phase transformations in a magnetic field in Fe-Ni alloys.
United Kingdom: N. p.,
2009.
Web.
doi:10.1088/1742-6596/156/1/012010; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA).
Garcin, T, Rivoirard, S, & Beaugnon, E.
In situ characterization of phase transformations in a magnetic field in Fe-Ni alloys.
United Kingdom.
https://doi.org/10.1088/1742-6596/156/1/012010; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA)
Garcin, T, Rivoirard, S, and Beaugnon, E.
2009.
"In situ characterization of phase transformations in a magnetic field in Fe-Ni alloys."
United Kingdom.
https://doi.org/10.1088/1742-6596/156/1/012010; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA).
@misc{etde_21314529,
title = {In situ characterization of phase transformations in a magnetic field in Fe-Ni alloys}
author = {Garcin, T, Rivoirard, S, and Beaugnon, E}
abstractNote = {We have investigated the effect of magnetic field on the austenite({gamma})-ferrite({alpha}) equilibrium in Fe-xNi alloys with x = 0, 2, 4 wt%. The {alpha}{yields}{gamma} and {gamma}{yields}{alpha} transformations have been followed as a function of applied magnetic field by a laser dilatometer installed in a 16T superconducting magnet. In addition, magnetic measurements at high temperature have been used to follow the magnetic behavior of each alloy composition during a complete heat treatment. We observe a shift of the phase diagram to higher temperature as the magnetic field is increased. We also find that the {alpha}-phase is either in the paramagnetic or in the ferromagnetic state as the transformation proceeds, depending on the amount of Ni. This results in an increase of the transformation temperature which is respectively proportional to the magnetic field if ferrite is formed in the ferromagnetic state and proportional to the square of the magnetic field if ferrite is paramagnetic.}
doi = {10.1088/1742-6596/156/1/012010; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA)}
journal = []
issue = {1}
volume = {156}
place = {United Kingdom}
year = {2009}
month = {Mar}
}
title = {In situ characterization of phase transformations in a magnetic field in Fe-Ni alloys}
author = {Garcin, T, Rivoirard, S, and Beaugnon, E}
abstractNote = {We have investigated the effect of magnetic field on the austenite({gamma})-ferrite({alpha}) equilibrium in Fe-xNi alloys with x = 0, 2, 4 wt%. The {alpha}{yields}{gamma} and {gamma}{yields}{alpha} transformations have been followed as a function of applied magnetic field by a laser dilatometer installed in a 16T superconducting magnet. In addition, magnetic measurements at high temperature have been used to follow the magnetic behavior of each alloy composition during a complete heat treatment. We observe a shift of the phase diagram to higher temperature as the magnetic field is increased. We also find that the {alpha}-phase is either in the paramagnetic or in the ferromagnetic state as the transformation proceeds, depending on the amount of Ni. This results in an increase of the transformation temperature which is respectively proportional to the magnetic field if ferrite is formed in the ferromagnetic state and proportional to the square of the magnetic field if ferrite is paramagnetic.}
doi = {10.1088/1742-6596/156/1/012010; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA)}
journal = []
issue = {1}
volume = {156}
place = {United Kingdom}
year = {2009}
month = {Mar}
}