Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/1223
Title: Structure, elastic properties and strength of amorphous and nanocomposite carbon
Authors: Remediakis, Ioannis N. 
Fyta, Maria G. 
Kopidakis, Georgios 
Kelires, Pantelis C. 
Mathioudakis, Christos 
Keywords: Amorphous carbon
Nanocomposite carbon
Mechanical properties
Fracture
Issue Date: 2007
Publisher: Elsevier
Source: Diamond and Related Materials. Volume 16, Issue 10, October 2007, Pages 1835-1840
Abstract: We study theoretically the equilibrium structure, as well as the response under external load, of characteristic carbon-based materials. The materials considered include diamond, amorphous carbon (a-C), “amorphous diamond” and nanocomposite amorphous carbon (na-C). A universal bulk modulus versus density curve is obeyed by all structures we consider. We calculate the dependence of elastic constants on the density. The strength of a-C was found to increase in roughly a linear manner, with increasing concentration of four-fold atoms, with the maximum stress of the strongest a-C sample being about half that of diamond. The response of na-C to external load is essentially identical to the response of the embedding a-C matrix.
URI: http://ktisis.cut.ac.cy/handle/10488/1223
DOI: 10.1016/j.diamond.2007.08.010
Rights: © 2007 Elsevier B.V.
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