Effect of Aging Treatment on Inconel 718 Superalloy: Application in Elevated Temperatures

Felipe Rocha Caliari; Kátia Cristiane Gandolpho Candioto; Danieli Aparecida Pereira Reis; Antônio Augusto Couto; Carlos de Moura Neto; Carlos Ângelo Nunes

doi:10.4028/www.scientific.net/MSF.805.199

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Effect of Aging Treatment on Inconel 718 Superalloy: Application in Elevated Temperatures
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HomeMaterials Science ForumMaterials Science Forum Vol. 805Effect of Aging Treatment on Inconel 718...

Effect of Aging Treatment on Inconel 718 Superalloy: Application in Elevated Temperatures

Abstract:

This work studies the effect of double aging heat treatment on superalloy Inconel 718. The heat treatment followed two steps: Solid solution at 1095oC for 1h, and two steps of aging 955oC/1h - 720oC/6,5h - 720oC/1,5h + 620oC/8h. Parameters such as grain size, secondary phases distribution and qualitative analysis via SEM/EDS and Vickers hardness are used in order to evaluate the microstructural evolution. The results show increase of grain size and Vickers hardness, as well as a better distribution of secondary phases along the matrix.

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Periodical:

Materials Science Forum (Volume 805)

Pages:

199-203

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.805.199

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Online since:

September 2014

Authors:

Felipe Rocha Caliari*, Kátia Cristiane Gandolpho Candioto, Danieli Aparecida Pereira Reis, Antônio Augusto Couto, Carlos de Moura Neto, Carlos Ângelo Nunes

Keywords:

Double Aging, Inconel 718, Superalloy

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