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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
Aristimuño, Patxi Xabier
Soler Mallol, Daniel
ARRAZOLA, PEDRO JOSE
Author (from another institution)
D’Eramo, E.
Roth, A.
Research Group
Mecanizado de alto rendimiento
Other institutions
Ascometal (France)
Version
Postprint
Rights
© 2019 Published by Elsevier Ltd on behalf of CIRP
Access
Embargoed access
URI
https://hdl.handle.net/20.500.11984/1682
Publisher’s version
https://doi.org/10.1016/j.cirp.2019.03.013
Published at
CIRP Annals  Vol. 68. Nº 1. Pp. 49-52, 2019
xmlui.dri2xhtml.METS-1.0.item-publicationfirstpage
49
xmlui.dri2xhtml.METS-1.0.item-publicationlastpage
52
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. [-]
xmlui.dri2xhtml.METS-1.0.item-sponsorship
Unión Europea
xmlui.dri2xhtml.METS-1.0.item-projectID
info:eu-repo/grantAgreement/EC/RFCS/RFSR-CT-2014-00020/EU/Innovative Method dedicated to the development of a ferrite-pearlite grade regarding its Machinability/IMMAC
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