Flow stress model for IN718 accounting for evolution of strengthening precipitates during thermal treatment

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Flow stress model for IN718 accounting for evolution of strengthening precipitates during thermal treatment

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Publication Article, peer reviewed scientific
Title Flow stress model for IN718 accounting for evolution of strengthening precipitates during thermal treatment
Author(s) Fisk, Martin ; Ion, John C. ; Lindgren, Lars-Erik
Date 2014
English abstract
A flow stress model describing precipitate hardening in the nickel based alloy InconelÒ 718 following thermal treatment is presented. The interactions between precipitates and dislocations are included in a dislocation density based material model. Compression tests have been performed using solution annealed, fully-aged and half-aged material. Models were calibrated using data for solution annealed and fully-aged material, and validated using data from half-aged material. Agreement between experimental data and model predictions is good.
DOI http://dx.doi.org/10.1016/j.commatsci.2013.10.007 (link to publisher's fulltext)
Publisher Elsevier
Host/Issue Computational Materials Science;1
Volume 82
ISSN 0927-0256
Pages 531–539
Language eng (iso)
Subject(s) Dislocations
Strengthening mechanisms
Metallic material
Mechanical testing
Numerical algorithms
Inconel 718
Gamma double prime
Technology
Research Subject Categories::TECHNOLOGY
Handle http://hdl.handle.net/2043/16877 (link to this page)

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