DOI | Trouver le DOI : https://doi.org/10.4028/www.scientific.net/AMR.409.480 |
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Auteur | Rechercher : Chan, T.; Rechercher : Backman, D.1; Rechercher : Bos, R.1; Rechercher : Sears, T.1; Rechercher : Brooks, I.; Rechercher : Erb, U. |
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Affiliation | - Conseil national de recherches du Canada. Aérospatiale
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Format | Texte, Article |
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Conférence | 7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011, 1 August 2011 through 5 August 2011, Quebec City, QC |
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Sujet | Grain size; Heat zone; High resolution; Maximum temperature; Nano-crystalline nickel; Nanocrystallines; Onset temperature; Polycrystalline; Room temperature; Stress-induced; Temperature changes; True stress-strain; Deformation; Grain size and shape; Heat generation; Nanocrystalline materials; Nickel; Polycrystalline materials; Strain rate; Stress-strain curves; Grain growth |
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Résumé | Commercially available polycrystalline nickel (grain size: 30 μm) and electrodeposited nanocrystalline nickel (grain size: 30 nm) were analyzed for the effect of stress-induced heat generation during plastic deformation at room temperature. Tensile coupons in conformance to ASTM E8 standard were tested at a strain rate of 10 -1/s to record the amount heat dissipated using a high resolution infrared detector. The maximum temperature increases recorded for nanocrystalline and polycrystalline nickel close to sample fracture were 58° and 70°, respectively. Grain growth in nanocrystalline nickel due to stress-induced heat generation is unlikely since the maximum temperature during deformation is below the previously reported onset temperature for grain growth in nanocrystalline nickel. © (2012) Trans Tech Publications, Switzerland. |
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Date de publication | 2012 |
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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 NPARC | 21269360 |
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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 | 631afc62-94e3-4efa-a2b7-8b07dc85560d |
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Enregistrement créé | 2013-12-12 |
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Enregistrement modifié | 2020-04-21 |
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