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Correction published on 13 April 2020, see Materials 2020, 13(8), 1831.
Open AccessArticle

Study of the Effects of Aging Treatment on Astroloy Processed via Hot Isostatic Pressing

1
Politecnico di Torino, DISAT: Department of Applied Science and Technology, Corso Duca degli Abruzzi, 24, 10129 Torino, Italy
2
Center for Sustainable Futures @ Polito, Istituto Italiano di Tecnologia, Corso Trento 21, 10129 Turin, Italy
3
Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Via G. Giusti, 9, 50121 Firenze, Italy
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Avio Aero, Engineering Materials and Processes, Via I Maggio, 99 10040 Rivalta di Torino (TO), Italy
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AUBERT & DUVAL–Pamiers Business & Development manager NNS & NS Parts Powder Metallurgy 75, bd de la Libération-B.P. 173, 09102 Pamiers CEDEX, France
*
Author to whom correspondence should be addressed.
Materials 2019, 12(9), 1517; https://doi.org/10.3390/ma12091517
Received: 13 April 2019 / Revised: 28 April 2019 / Accepted: 6 May 2019 / Published: 9 May 2019
The effect of aging treatment on Astroloy fabricated via hot isostatic pressing and subjected to super-, and sub- solvus solutioning has been investigated. The evolution of hardness and microstructural features were followed after each step of the treatment. Since this alloy is commonly subjected to a double aging treatment at two different temperatures, particular attention was given to the effectiveness of the first aging treatment compared to the second one. Coarsening and modification of the γ′ reinforcing system together with carbides formation were made the object of research. The cooling rate used after solutioning treatment was also kept into account. Finally, a model to describe secondary and ternary gamma prime coarsening upon aging treatments is presented. View Full-Text
Keywords: astroloy; hot isostatic pressing; ageing heat treatment; metals and alloys; powder metallurgy; grain boundaries; high-temperature alloys astroloy; hot isostatic pressing; ageing heat treatment; metals and alloys; powder metallurgy; grain boundaries; high-temperature alloys
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MDPI and ACS Style

Bassini, E.; Cattano, G.; Marchese, G.; Biamino, S.; Ugues, D.; Lombardi, M.; Vallillo, G.; Picqué, B. Study of the Effects of Aging Treatment on Astroloy Processed via Hot Isostatic Pressing. Materials 2019, 12, 1517. https://doi.org/10.3390/ma12091517

AMA Style

Bassini E, Cattano G, Marchese G, Biamino S, Ugues D, Lombardi M, Vallillo G, Picqué B. Study of the Effects of Aging Treatment on Astroloy Processed via Hot Isostatic Pressing. Materials. 2019; 12(9):1517. https://doi.org/10.3390/ma12091517

Chicago/Turabian Style

Bassini, Emilio; Cattano, Giulio; Marchese, Giulio; Biamino, Sara; Ugues, Daniele; Lombardi, Mariangela; Vallillo, Gianfranco; Picqué, Benjamin. 2019. "Study of the Effects of Aging Treatment on Astroloy Processed via Hot Isostatic Pressing" Materials 12, no. 9: 1517. https://doi.org/10.3390/ma12091517

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