We show experimentally that the elastic modulus of porous ceramics has a critical exponent tau approximately equal to that of conductivity, tau congruent to t congruent to 2. This behavior is attributed to the predominance of bond-stretching over bond-bending contribution to the energy and is related to intrinsic properties (like ductility or brittleness) of the homogeneous material.
Experimental evidence for similar critical behavior of elastic modulus and electric conductivity in porous ceramic materials
Galassi C;
1998
Abstract
We show experimentally that the elastic modulus of porous ceramics has a critical exponent tau approximately equal to that of conductivity, tau congruent to t congruent to 2. This behavior is attributed to the predominance of bond-stretching over bond-bending contribution to the energy and is related to intrinsic properties (like ductility or brittleness) of the homogeneous material.File in questo prodotto:
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