Experimental investigation of mixed-mode fracture behaviour of woven laminated composite

2009 ◽  
Vol 44 (13) ◽  
pp. 3428-3437 ◽  
Author(s):  
Masood Nikbakht ◽  
Naghdali Choupani
Keyword(s):  
Experimental Investigation ◽  
Mixed Mode ◽  
Fracture Behaviour ◽  
Laminated Composite ◽  
Mixed Mode Fracture ◽  
Mode Fracture

Numerical Investigation of Adhesively Bonded Joints

2013 ◽  
Vol 392 ◽  
pp. 105-109
Author(s):  
Mahmood Mokhtari Hasan Abad ◽  
Reza Bakhtiari ◽  
Naghdali Choupani
Keyword(s):  
Mixed Mode ◽  
Fracture Behaviour ◽  
Mixed Mode Fracture ◽  
Bonded Joints ◽  
Adhesively Bonded ◽  
Adhesively Bonded Joints ◽  
Mode Fracture ◽  
Aerospace Material ◽  
Numerical Studies ◽  
Fracture Tests

The study focuses on using fracture mechanics to evaluate mixed-mode fracture properties of adhesively bonded aerospace material systems. As a part of experimental efforts, mixed-mode fracture tests were performed using modified Arcan specimens consisting of several combinations of adhesive, composite and metallic adherends using a special loading device. Experimental and numerical studies of mixed-mode fracture behaviour of adhesively bonded aluminum and steel were also performed using an adhesive in the aerospace industry. Finite element analyses were carried out on specimens with different adherends. Based on those analyses, many fundamental numerical results were obtained.

Experimental and Numerical Investigation of Mixed-Mode Fracture Properties of Woven Laminated Composite

2011 ◽  
Vol 471-472 ◽  
pp. 703-708
Author(s):  
Mohammad Hossein Heydari ◽  
Naghdali Choupani
Keyword(s):  
Fracture Toughness ◽  
Finite Element ◽  
Mixed Mode ◽  
Laminated Composite ◽  
Crack Growth Behavior ◽  
Mixed Mode Fracture ◽  
The Finite Element Method ◽  
Element Analysis ◽  
Mode Fracture ◽  
Insight Into

Delamination is a major problem associated with composite materials that reduce the stiffness of structure used in aerospace, marine and automotive technology. Interlaminar fracture toughness, non dimensional stress intensity factors and delamination crack growth behavior were investigated for carbon fiber (CF)-polyester laminates. All tests were performed with modified version of Arcan specimen. By changing the loading angles in range of 0-90°, mode-I, mode-II and all mixed mode fracture toughness data were obtained. Correction factors were obtained with finite element analysis using Abaqus software. By employing experimentally measured critical loads and the aid of the finite element method, mixed-mode fracture toughness for the composite under consideration determined. The fracture surfaces of the CF-P under different mixed-mode loading conditions were examined by optical and scanning electron microscopy (SEM) to gain insight into the failure responses.

scholarly journals J-integral analysis of the mixed-mode fracture behaviour of composite bonded joints

2019 ◽  
Vol 96 (1-4) ◽  
pp. 321-344
Author(s):  
F. J. C. F. B. Loureiro ◽  
R. D. S. G. Campilho ◽  
R. J. B. Rocha
Keyword(s):  
Mixed Mode ◽  
Fracture Behaviour ◽  
Mixed Mode Fracture ◽  
J Integral ◽  
Bonded Joints ◽  
Mode Fracture ◽  
Integral Analysis
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