Composite materials of controlled thermal expansion

Properly designed composite materials can produce thermal expansion coefficients lying well outside the range shown by homogeneous materials both in a single direction and in a plane. Much lower negative values may be produced compared with single materials as well as larger positive values. Such ex...

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Veröffentlicht in:Composites science and technology 2006-02, Vol.66 (2), p.154-159
Hauptverfasser: Kelly, A., Stearn, R.J., McCartney, L.N.
Format: Artikel
Sprache:eng
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Zusammenfassung:Properly designed composite materials can produce thermal expansion coefficients lying well outside the range shown by homogeneous materials both in a single direction and in a plane. Much lower negative values may be produced compared with single materials as well as larger positive values. Such extreme values may be coupled with a choice of other mechanical properties, e.g., Youngs modulus or breaking strength or toughness. In this paper, we demonstrate how to obtain negative values of the expansivity.
ISSN:0266-3538
1879-1050
DOI:10.1016/j.compscitech.2005.04.025