Modeling thermal shock damage in refractory materials via direct numerical simulation (DNS)

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Date

2010

Authors

Özdemir, İzzet
Brekelmans, W. A. M.
Geers, M. G. D.

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Elsevier Sci Ltd

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Manufacturing Engineering
(2003)
Opened in 2003 with the aim to graduate experts in the field of machine-production, our Department is among the firsts in our country to offer education in English. The Manufacturing Engineering program focuses on the manufacturing technologies that shape materials from raw materials to final products by means of analytical, experimental and numerical modeling methods. First Manufacturing Engineering Program to be engineered by Müdek, our department aims to graduate creative and innovative Manufacturing Engineers that are knowledgeable in the current technology, and are able to use production resources in an effective and sustainable way that never disregards environmental facts. As the first Department to implement the Cooperative Education Program at Atılım University in coordination with institutions from the industry, the Manufacturing Engineering offers a practice-oriented approach in education with its laboratory infrastructure and research opportunities. The curriculum at our department is supported by current engineering software, and catered to creating engineers equipped to meet the needs of the production industry.

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Abstract

In this paper, a computational investigation on thermo-mechanically induced damage in refractory materials resulting from severe thermal shock conditions is presented. On the basis of an idealized two-phase material system. molten aluminium thermal shock tests' are computationally modeled by means of direct numerical simulations (DNS) The interfacial and bulk damage evolution within the material arc described by Merino-mechanical cohesive zones and continuum damage mechanics (CDM), respectively Reported experimental results' are used to identify the parameters of the model Furthermore, a parametric study is carried out to investigate the relative significance of various microstructure parameters in the context of thermal shock response. (C) 2009 Elsevier Ltd All rights reserved

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Keywords

Thermal shock, Thermo-mechanical damage, DNS model, Thermo-mechanical cohesive zones, Heterogeneous materials

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Citation

19

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Volume

30

Issue

7

Start Page

1585

End Page

1597

URI

https://doi.org/10.1016/j.jeurceramsoc.2009.12.014
 https://hdl.handle.net/20.500.14411/1466

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