Extraction of mix-mode cohesive laws of a unidirectional composite undergoing delamination with large-scale fibre bridging

被引：10

作者：

Erives, R. ^{[1
]}

Sorensen, B. F. ^{[1
]}

Goutianos, S. ^{[2
]}

机构：

[1] Tech Univ Denmark, DTU Wind & Energy Syst, Riso Campus, DK-4000 Roskilde, Denmark

[2] Norwegian Univ Sci & Technol, Dept Mfg & Civil Engn, N-2815 Gjovik, Norway

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2023年 / 165卷

关键词：

Mixed-mode cohesive laws; Mixed-mode delamination; Fibre bridging; Potential based cohesive laws; R-curves; FATIGUE-DRIVEN DELAMINATION; ZONE MODEL; FRACTURE-TOUGHNESS; VOID NUCLEATION; DAMAGE MODEL; SIMULATION; ORTHOTROPY; PREDICTION; GROWTH; SHAPE;

D O I：

10.1016/j.compositesa.2022.107346

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel method is proposed for extracting the mixed-mode cohesive laws of composite materials undergoing delamination with large-scale fibre bridging. In the approach, the mixed-mode cohesive laws are derived from a potential function expressed in cylindrical coordinates with the magnitude and phase angle between the normal and tangential end-openings. The potential function is mapped using experimental R-curves in terms of the J-integral and the end-openings. The mixed-mode cohesive laws describe both the crack tip (high tractions, small separations) and bridging region (small tractions, high separations). The extracted mixed-mode cohesive tractions are fully coupled, i.e., both the normal and shear traction depend on the normal and tangential openings. The peak normal and shear tractions were found to be at a mixed mode opening.

引用

页数：13

共 47 条

[1] Characterising mode I/mode II fatigue delamination growth in unidirectional fibre reinforced polymer laminates [J].

Al-Khudairi, O. ;

Hadavinia, H. ;

Waggott, A. ;

Lewis, E. ;

Little, C. .

MATERIALS & DESIGN, 2015, 66 :93-102

[2] On the influence of the shape of the interface law on the application of cohesive-zone models [J].

Alfano, G .

COMPOSITES SCIENCE AND TECHNOLOGY, 2006, 66 (06) :723-730

[3] Influence of the glass non-crimp fabric intrinsic undulation on the stiffness of the composite ply: A micromechanical approach [J].

Antoniou, A. ;

Mikkelsen, L. P. ;

Goutianos, S. ;

Bagemiel, O. ;

Gebauer, I ;

Flindt, R. ;

Sayer, F. .

41ST RISO INTERNATIONAL SYMPOSIUM ON MATERIALS SCIENCE: MATERIALS AND DESIGN FOR NEXT GENERATION WIND TURBINE BLADES, 2020, 942

[4] THE ROLE OF MATERIAL ORTHOTROPY IN FRACTURE SPECIMENS FOR COMPOSITES [J].

BAO, G ;

HO, S ;

SUO, Z ;

FAN, B .

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 1992, 29 (09) :1105-1116

[5]

Camanho P P., 2002, NAS, V1

[6] Normal/shear cracking model: Application to discrete crack analysis [J].

Carol, I ;

Prat, PC ;

Lopez, CM .

JOURNAL OF ENGINEERING MECHANICS-ASCE, 1997, 123 (08) :765-773

[7] A simulation method for fatigue-driven delamination in layered structures involving non-negligible fracture process zones and arbitrarily shaped crack fronts [J].

Carreras, L. ;

Turon, A. ;

Bak, B. L. V. ;

Lindgaard, E. ;

Renart, J. ;

Martin de la Escalera, F. ;

Essa, Y. .

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING, 2019, 122 :107-119

[8] THE CHARACTERIZATION OF MODE-I DELAMINATION FAILURE IN NON-WOVEN, MULTIDIRECTIONAL LAMINATES [J].

CHAI, H .

COMPOSITES, 1984, 15 (04) :277-290

[9]

Dadej K, 2016, COMPOS THEORY PRACT, V16, P180

[10] A coupled mix-mode cohesive law based on a cylindrical potential function [J].

Erives, R. ;

Sorensen, B. F. ;

Goutianos, S. .

ENGINEERING FRACTURE MECHANICS, 2022, 271

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