| Téléchargement | - Voir le manuscrit accepté : Influence of steel heat treatment on ultrasonic absorption measured by laser ultrasonics (PDF, 606 Kio)
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| DOI | Trouver le DOI : https://doi.org/10.1016/j.msea.2003.07.019 |
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| Auteur | Rechercher : Lamouche, Guy1; Rechercher : Bolognini, Stéphane1; Rechercher : Kruger, Silvio E.1 |
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| Affiliation | - Conseil national de recherches du Canada. Institut des matériaux industriels du CNRC
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| Format | Texte, Article |
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| Conférence | 13th International Conference on Internal Friction and Ultrasonic Attenuation in Solids, Bilbao, Spain, July 8-12, 2002, Bilbao, Spain |
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| Sujet | Internal friction; Ultrasound absorption; Reverberation technique; Laser ultrasonics |
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| Résumé | Laser ultrasonics is combined with the reverberation technique to measure ultrasound absorption during thermal cycles applied to medium-carbon steel samples. During heating to the austenitic phase, a small Snoek peak is observed around 360 °C at 10 MHz along with a signature of the ferromagnetic to paramagnetic transition near 768 °C. Upon cooling, the behavior of the internal friction is much different from that of heating: reduced high-temperature absorption, delayed phase transition, smaller magnetoelastic contribution and stronger Snoek peak are observed. The austenitizing temperature is found to have primary importance on the internal friction behavior during cooling. These measurements show that ultrasound absorption measurements using laser ultrasonics could serve as a basis for a technique to characterize the microstructure evolution of steel in various temperature ranges. |
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| Date de publication | 2004-04-15 |
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| Dans | |
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| Langue | anglais |
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| Publications évaluées par des pairs | Oui |
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| Numéro du CNRC | NRCC 45288 |
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| Numéro NPARC | 18476841 |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | 9d4d3d7b-74f3-4ed1-ae05-9f7257150418 |
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| Enregistrement créé | 2011-10-11 |
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| Enregistrement modifié | 2020-04-17 |
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