Numerical analysis of the performances of the bonded composite patch for reducing stress concentration and repairing cracks at notch

被引：48

作者：

Achour, T ^{[1
]}

Bouiadjra, BB ^{[1
]}

Serier, B ^{[1
]}

机构：

[1] Univ Sidi Bel Abbes, Dept Mech Engn, LECM, Sidi Bel Abbes 22000, Algeria

来源：

COMPUTATIONAL MATERIALS SCIENCE | 2003年 / 28卷 / 01期

关键词：

bonded composite patch; notch; crack; stress intensity factors; finite element method;

D O I：

10.1016/S0927-0256(03)00054-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the finite element analysis is applied to study the performance of the bonded composite reinforcement or repair for reducing stress concentration at a semi-circular lateral notch and repairing cracks emanating from this kind of notch. The effects of the adhesive properties on the variation of the stress intensity factor at the crack tip were highlighted. The obtained results show that the stress concentration factor at the notch tip is reduced about 30% and the maximal reduction of the stress intensity factor is about 80%. The adhesive properties must be optimised in order to increase the performance of the patch repair or reinforcement. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：41 / 48

页数：8

共 20 条

[1]

Baker A, 1993, P INT C ADV COMP MAT, P45

[2]

Baker A.A., 1988, BONDED REPAIR AIRCRA

[3] REPAIR OF CRACKED OR DEFECTIVE METALLIC AIRCRAFT-COMPONENTS WITH ADVANCED FIBER COMPOSITES - AN OVERVIEW OF AUSTRALIAN WORK [J].

BAKER, AA .

COMPOSITE STRUCTURES, 1984, 2 (02) :153-181

[4]

BAKER AA, 1997, P 11 INT COMP MAT IC

[5]

BAKER AA, 1996, FAA NASA S CONT AIRW

[6] ANATOMICAL STUDIES OF THE SPINOCERVICAL TRACT OF THE RAT [J].

BAKER, ML ;

GIESLER, GJ .

SOMATOSENSORY RESEARCH, 1984, 2 (01) :1-18

[7] Computation of the stress intensity factors for repaired cracks with bonded composite patch in mode I and mixed mode [J].

Bouiadjra, BB ;

Belhouari, M ;

Serier, B .

COMPOSITE STRUCTURES, 2002, 56 (04) :401-406

[8]

CALLINAN RJ, 1997, DSTOTN0067

[9] Fracture mechanics analysis on the bonded repair of a skin/stiffener with an inclined central crack [J].

Chung, KH ;

Yang, WH .

COMPOSITE STRUCTURES, 2002, 55 (03) :269-276

[10] Characterization of disbond effects on fatigue crack growth behavior in aluminum plate with bonded composite patch [J].

Denney, JJ ;

Mall, S .

ENGINEERING FRACTURE MECHANICS, 1997, 57 (05) :507-&

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