Evidence of Deep Water Penetration in Silica during Stress Corrosion Fracture

被引：25

作者：

Lechenault, F. ^{[1
]}

Rountree, C. L. ^{[2
]}

Cousin, F. ^{[3
]}

Bouchaud, J. -P. ^{[4
]}

Ponson, L. ^{[5
]}

Bouchaud, E. ^{[1
,6
]}

机构：

[1] CEA Saclay, IRAMIS, SPEC, F-91191 Gif Sur Yvette, France

[2] CEA Saclay, IRAMIS, SPCSI, F-91191 Gif Sur Yvette, France

[3] CEA Saclay, IRAMIS, Lab Leon Brillouin, UMR12, F-91191 Gif Sur Yvette, France

[4] Capital Fund Management, Sci & Finance, F-75009 Paris, France

[5] CALTECH, Grad Aeronaut Labs GALCIT, Pasadena, CA 91125 USA

[6] Norwegian Univ Sci & Technol, Dept Phys, N-7491 Trondheim, Norway

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 16期

关键词：

MOLECULAR-DYNAMICS SIMULATIONS; CRACK-PROPAGATION; GLASS; DIFFUSION; GROWTH;

D O I：

10.1103/PhysRevLett.106.165504

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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 angstrom, suggesting the presence of a damaged zone of similar to 100 angstrom extending ahead of the crack tip during its propagation. This estimate of the size of the damaged zone is compatible with other recent results.

引用

页数：4

共 28 条

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