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Microstructure Based Flow Stress Model to Predict Machinability in Ferrite-Pearlite Steels.pdf (1.264Mb)
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Title
Microstructure based flow stress model to predict machinability in ferrite–pearlite steels
Author
Saez de Buruaga, Mikel ccMondragon Unibertsitatea
Aristimuño, Patxi Xabier ccMondragon Unibertsitatea
Soler Mallol, Daniel ccMondragon Unibertsitatea
ARRAZOLA, PEDRO JOSEMondragon Unibertsitatea
Author (from another institution)
D’Eramo, E.
Roth, A.
Research Group
Mecanizado de alto rendimiento
Published Date
2019
Publisher
Elsevier Ltd.
Keywords
Modelling
Micro structure
Flow stress
Abstract
A new flow stress model is proposed to describe the behaviour of ferrite–pearlite steels based on microstructure properties, including the effect of high strains, strain rates and temperatures. The mo ... [+]
A new flow stress model is proposed to describe the behaviour of ferrite–pearlite steels based on microstructure properties, including the effect of high strains, strain rates and temperatures. The model introduces strain hardening as a function of the pearlite ratio, interlamellar spacing and ferrite grain size. A non-linear thermal softening, and the coupling between strain rate and temperature are also introduced. Tested on a 2D ALE model, predicted cutting forces, tool temperatures, chip thickness and tool wear results obtained good agreement when compared to orthogonal cutting tests of four ferrite–pearlite steels, covering a wide range of microstructure variants. [-]
URI
https://hdl.handle.net/20.500.11984/1682
Publisher’s version
https://doi.org/10.1016/j.cirp.2019.03.013
ISSN
0007-8506
Published at
CIRP Annals  Vol. 68. Nº 1. Pp. 49-52, 2019
Document type
Article
Version
Postprint – Accepted Manuscript
Rights
© 2019 Published by Elsevier Ltd on behalf of CIRP
Access
Embargoed Access (until 2021-05-19)
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  • Articles - Engineering [483]

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