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Non-Symmetric Thermal Shock In Ceramic Matrix Composite (Cmc) Materials

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Lecture Notes on Composite Materials

Part of the book series: Solid Mechanics And Its Applications ((SMIA,volume 154))

A methodology has been proposed to describe CMC and functionally graded materials (FGM) thermomechanical response subjected to sudden changes of the temperature field. Appropriate gradation of the composite properties can significantly improve thermal shock response of the material itself or a structural element. The governing equations for the temperature field under transient thermal loading are formulated, and solution of the analytical and two numerical methods FEA and FD were discussed. The role of the thermal residual stress is significant in the analysis of thermal shock problems. In a non-symmetrical gradation profile they create initial curvature of the FGM structural element. The basic fracture mechanics idea is presented and is applied to CMC and FGM which were subjected to a transient temperature field. In particular the crack-bridging mechanism plays an important role in the assessment of the composites response. Numerical examples dealing with 1-D and 2-D non-symmetric thermal shock problem illustrate the effectiveness of the theoretical methods to the solution of practical problems.

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Correspondence to Tomasz Sadowski .

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© 2009 Springer-Verlag Berlin Heidelberg

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Sadowski, T. (2009). Non-Symmetric Thermal Shock In Ceramic Matrix Composite (Cmc) Materials. In: de Borst, R., Sadowski, T. (eds) Lecture Notes on Composite Materials. Solid Mechanics And Its Applications, vol 154. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-8772-1_4

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  • DOI: https://doi.org/10.1007/978-1-4020-8772-1_4

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-8771-4

  • Online ISBN: 978-1-4020-8772-1

  • eBook Packages: EngineeringEngineering (R0)

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