Edge cracking due to a compressive residual stress in ceramic laminates

被引：10

作者：

Leguillon, Dominique ^{[1
]}

Sevecek, Oldrich ^{[2
]}

Martin, Eric ^{[3
]}

Bermejo, Raul ^{[4
]}

机构：

[1] Univ Paris 06, Sorbonne Univ, Inst Jean Le Rond dAlembert, CNRS UMR 7190, F-75005 Paris, France

[2] Brno Univ Technol, Fac Mech Engn, Inst Solid Mech Mechatron & Biomech, Brno 61669, Czech Republic

[3] Univ Bordeaux, Lab Composites Thermostruct, CNRS UMR 5801, F-33600 Pessac, France

[4] Univ Leoben, Inst Struktur & Funkt Skeram, A-8700 Leoben, Austria

来源：

COMPTES RENDUS MECANIQUE | 2015年 / 343卷 / 03期

关键词：

Ceramic laminates; Residual stresses; Fracture mechanics; Coupled criterion; POROUS INTERLAYERS; LAYERED CERAMICS; TOUGHNESS; STRENGTH; COMPOSITES; DEFLECTION; FAILURE; DESIGN;

D O I：

10.1016/j.crme.2014.11.001

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The onset of an edge crack in compressive layers of a ceramic laminate undergoing residual stresses is predicted using the stress-energy coupled criterion based on the data of the tensile strength and the toughness of the material under consideration. The proposed criterion does not contain any adjustable parameter, which is its indisputable advantage. The results of predictions of the edge crack nucleation are in a very good agreement with the experimental observations of this phenomenon. They allow us to recover and even to improve slightly an approximate formula to estimate the critical layer thickness as a function of the compressive residual stress that was proposed some years ago. (C) 2014 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：192 / 198

页数：7

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