Identification and Characterization of Phase Transformations by the Resistivity Measurements in Mg-RE-Mn Alloys |
| Journal |
Solid State Phenomena (Volume 138) |
| Volume |
Solid Phase Transformations |
| Edited by |
J. Čermák and I. Stloukal |
| Pages |
57-62 |
| DOI |
10.4028/www.scientific.net/SSP.138.57 |
| Online since |
March, 2008 |
| Authors |
Ivana Stulíková,
Bohumil Smola
|
| Keywords |
Electrical Resistivity, Isochronal Annealing, Magnesium Alloy, Phase Transformation, Rare Earth, Sc, TEM, Y |
| Abstract |
The response of the relative resistivity changes to the isochronal annealing was measured in
MgSc, MgScMn and MgYNdScMn alloys. The derivatives of the annealing curves were fitted by
Gaussian functions to determine and separate the temperature ranges of the phase transformations
taking place. The Austin-Rickett kinetics is argued to justify this procedure for diffusion driven
transformations. TEM observation verified the conclusions drawn from the procedure. |
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