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Erschienen in:
2018 | OriginalPaper | Buchkapitel
2. Quantitative Characterization of Microstructures in the Context of Effective Properties
verfasst von : Mark Kachanov, Igor Sevostianov
Erschienen in: Micromechanics of Materials, with Applications
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Abstract
In heterogeneous materials, physical fields—stresses, strains, temperature—are variable at microscale. The effective properties interrelate volume averages of these fields. In the context of the elastic properties, this means relations between average stresses and average strains; in the context of thermal conductivity—relations between average temperature gradient and average heat flux; similar definitions apply to other physical properties.