Wetting of stressed grain boundaries in polycrystals and rheological behaviour of resulting materials

被引：1

作者：

Traskine, Vladimir ^{[1
]}

Skvortsova, Zoya

Barrallier, Laurent ^{[2
]}

Volovitch, Polina ^{[3
]}

Pertsov, Alexandre

机构：

[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia

[2] ENSAM, Cours Arts & Metiers 2, F-13617 Paris, France

[3] Univ Paris 11, Inst Chim Mol & Materiaux Orsay, F-91405 Orsay, France

来源：

DIFFUSION IN SOLIDS AND LIQUIDS: MASS DIFFUSION | 2006年 / 258-260卷

关键词：

grain boundaries; wetting; stress; pressure solution; diffusion; dissolution; precipitation;

D O I：

10.4028/www.scientific.net/DDF.258-260.409

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Orientational patterns of wetted grain boundaries (GB's) in stressed NaCl polycrystals have been used for describing the GB penetration process on the basis of combined interfacial and mechanical energy balance considerations. The response of the internally wetted polycrystals to static loading has been shown to obey "pressure solution" constitutive laws involving dissolution at stressed surfaces, diffusive transport of dissolved matter and precipitation at less stressed surfaces. Direct experimental evidence for pressure solution mechanism is presented.

引用

页码：409 / +

页数：2

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