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Erschienen in:
2008 | OriginalPaper | Buchkapitel
Elastic waves in polycrystals
Erschienen in: Self-Consistent Methods for Composites
Verlag: Springer Netherlands
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The problem of wave propagation through polycrystalline materials has attracted much attention due to its important theoretical and practical aspects. for instance, the solution of this problem gives a theoretical foundation for a nondestructive analysis of the microstructure of real metals.
In this chapter, the problem of elastic wave propagation in polycrystals is solved by the effective medium method. The general scheme of the method is developed in Sections 8.1-8.3. A special basis of four-rank tensors is proposed in Section 8.4 in order to perform the method for polycrystals with orthorhombic symmetry of the monocrystals.