Evidence of deep water penetration in silica during stress corrosion fracture.

Lechenault, F; Rountree, C L; Cousin, F; Bouchaud, J-P; Ponson, L; Bouchaud, E

Lechenault, F; Rountree, C L; Cousin, F; Bouchaud, J-P; Ponson, L; Bouchaud, E.

Afiliación

Lechenault F; CEA-Saclay, IRAMIS, SPEC, F-91191 Gif-sur-Yvette, France.

Phys Rev Lett ; 106(16): 165504, 2011 Apr 22.

Article en En | MEDLINE | ID: mdl-21599383

RESUMEN

We measure the thickness of the heavy water layer trapped under the stress corrosion fracture surface of silica using neutron reflectivity experiments. We show that the penetration depth is 65-85 ââÅ, suggesting the presence of a damaged zone of â¼100 ââÅ extending ahead of the crack tip during its propagation. This estimate of the size of the damaged zone is compatible with other recent results.

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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2011 Tipo del documento: Article País de afiliación: Francia Pais de publicación: Estados Unidos

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