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Copper Mold for Continuous Casting of Steel: Modelling Strategies to Assess Thermal Distortion and Durability

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Abstract:

In this work the durability assessment and the permanent deformation of a copper mold for continuous casting of steel have been investigated using mathematical models based on the Finite Element method. The cyclic plasticity behavior of the material is represented by a combined kinematic-isotropic model experimentally validated. Results from thermo-mechanical analysis are in good agreement with measurements. In particular, creep effects included into the model permit the evolution of bulging near the meniscus area to be correctly predicted. A life estimation is performed considering strain-life and stress-rupture time curves according to a cumulative damage law.

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Periodical:

Key Engineering Materials (Volume 754)

Pages:

287-290

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.754.287

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Online since:

September 2017

Authors:

Luciano Moro*, Jelena Srnec Novak, Denis Benasciutti, Francesco de Bona

Keywords:

Bulging, Copper Mold, Creep, Cyclic Plasticity, Thermo-Mechanical Analysis

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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