Nanostructured Ceramic Oxides with a Slow Crack Growth Resistance Close to Covalent Materials - Archive ouverte HAL
Journal Articles Nano Letters Year : 2005

Nanostructured Ceramic Oxides with a Slow Crack Growth Resistance Close to Covalent Materials

Abstract

Oxide ceramics are sensitive to slow crack growth because adsorption of water can take place at the crack tip, leading to a strong decrease of the surface energy in humid (or air) conditions. This is a major drawback concerning demanding, long-term applications such as orthopaedic implants. Here we show that a specific nanostructuration of ceramic oxides can lead to a crack resistance never reached before, similar to that of covalent ceramics.

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Materials

Dates and versions

hal-00436807 , version 1 (27-11-2009)

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Jérôme Chevalier, Sylvain Deville, Gilbert Fantozzi, Jose Bartolome, Carlos Pecharroman, et al.. Nanostructured Ceramic Oxides with a Slow Crack Growth Resistance Close to Covalent Materials. Nano Letters, 2005, pp.1297-1301. ⟨10.1021/nl050492j⟩. ⟨hal-00436807⟩
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