Whole-field strain analysis and damage assessment of adhesively bonded patch repair of CFRP laminates using 3D-DIC and FEA

Kashfuddoja, M and M, Ramji (2013) Whole-field strain analysis and damage assessment of adhesively bonded patch repair of CFRP laminates using 3D-DIC and FEA. Composites Part B: Engineering, 53. pp. 46-61. ISSN 1359-8368

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Abstract

The problem of damage evolution in composite structures, the way it propagates, performance and behavior is of paramount importance in utilizing them for structural applications. In the present work, an experimental study is carried out using digital image correlation (DIC) technique to analyze the behavior of adhesively bonded patch repair of carbon/epoxy unidirectional composite laminates under tensile loading. The damaged panel is repaired with both double and single sided circular patch made of same parent material. Damage initiation and propagation in notched and repaired panel as well as patch debonding is studied using 3D-DIC. Also a 3-D finite element analysis is carried out and obtained strain values are compared with the experimental prediction. They are found to be in good agreement

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IITH Creators:
IITH CreatorsORCiD
M, RamjiUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Digital image correlation (DIC); Carbon fiber; Finite element analysis (FEA)
Subjects: Others > Mechanics
Divisions: Department of Mechanical & Aerospace Engineering
Depositing User: Library Staff
Date Deposited: 17 May 2016 05:06
Last Modified: 17 May 2016 05:06
URI: http://raiith.iith.ac.in/id/eprint/2363
Publisher URL: http://dx.doi.org/10.1016/j.compositesb.2013.04.03...
OA policy: http://www.sherpa.ac.uk/romeo/issn/1359-8368/
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