Issue |
Rev. Met. Paris
Volume 98, Number 2, February 2001
Tribologie de la mise en forme des métaux
|
|
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Page(s) | 201 - 213 | |
DOI | https://doi.org/10.1051/metal:2001174 | |
Published online | 25 October 2002 |
Barkhausen noise and thermoelectric power applied to study microstructural evolutions in metallic alloys
In this article, we briefly recall the physical mechanisms at the origin of the Barkhausen effect in ferromagnetic mediums and the thermoelectric power in conductor metals. We then present, for each of these phenomena, the measurement principles and their sensitivity to the microstructural state, notably in the case of precipitation phenomena and in the ones linked to plastic deformation. Finally, in the case of the formation of precipitates in an iron-based alloy, we show the complementarity of both techniques.
© La Revue de Métallurgie, 2001
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