Thermal expansion of a few Indian granitic rocks

Details Thermal expansion of a few Indian granitic rocks Thermal expansion of a few Indian granitic rocks

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pepi...22...36r&link_type=abstract

Physics of the Earth and Planetary Interiors, Volume 22, Issue 1, p. 36-41.

Physics

Scientific paper

The study of thermal expansion by a dilatometer technique on a few granitic rocks from the Peninsular shield and Himalayan regions of India confirms that the linear coefficient of thermal expansion (α) is a function of heating rate, crack porosity, thermal cycling, mineral composition and grain orientation. Permanent set in the samples occurs at the limiting temperature (Tp) and restricts the validity of the apparent thermal-expansion coefficient with rise in temperature. Values of α are determined for a heating rate of <=2°C min-1 in order to calculate the volume coefficient of expansion (αv) and the temperature dependence of density (ρT).

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