Impact damage characterisation of composite laminates using a statistical approach

Sultan, Mohamed Thariq Hameed; Worden, Keith; Staszewski, Wiesław J.; Hodzic, A.

doi:10.1016/j.compscitech.2012.01.019

Cited by 67 publications

(38 citation statements)

References 28 publications

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“…The research is not limited to a pristine structure but encompasses of boron to aluminum skin patch (Chiu et al, 2000) and titanium to aluminum skin patch (Puthilath and Rose, 2010). A work on SHM technique based on PZT sensors on different material thickness showed different group velocities and frequency analyses as it passed the simulated profile (Alaimo et al, 2013;Han et al, 2006;Hossein Hosseini and Grabbert, 2013;Sultan et al, 2012). Compared to PZT sensor application, there are quite numbers of works in monitoring repaired structure using FBG and CVM technologies.…”

Section: Introductionmentioning

confidence: 99%

Condition Structural Index using Principal Component Analysis for undamaged, damage and repair conditions of carbon fiber–reinforced plastic laminate

Aris

Mustapha

Salit

et al. 2013

Journal of Intelligent Material Systems and Structures

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This article deals with the data reduction technique using the principal component analysis applied to the carbon fiber-reinforced plastic panels for structural health monitoring approaches. Two carbon fiber-reinforced plastic panels subjected to damage and repair coincide with typical aircraft repair procedures found in the aircraft structural repair manual. The panels were simulated with 30 mm diameter of partial and full penetration damages using a diamond-coated router. The data (50 observations) were captured for the undamaged, damaged, and repaired conditions by placing lead zirconate titanate smart sensors at 100 mm across the damaged and repaired structures. A time-based data response was captured for post analysis during the interrogation on the structure at each condition. The raw data were captured in a Lamb waveform, and the interested features were extracted using Morlet wavelet analysis to evaluate the Condition Structural Index and Amplitude-Based Assessment for each condition retrieved from the Gaussian-like distribution. The results were evaluated using the principal component analysis technique in order to distinguish the characteristic of the undamaged, damaged, and repaired conditions. The results showed that in all cases considered, it was possible to distinguish the conditions of undamaged, damaged, and repaired states with promising accuracy and repeatability of the data.

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Section: Introductionmentioning

confidence: 99%

Condition Structural Index using Principal Component Analysis for undamaged, damage and repair conditions of carbon fiber–reinforced plastic laminate

Aris

Mustapha

Salit

et al. 2013

Journal of Intelligent Material Systems and Structures

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“…It is postulated that delamination only starts at an advanced stage of the loading, resulting in a small rhombic region of delamination just before the specimen is perforated during high-velocity penetration. When the impact velocity is increased, the stress wave propagation occurs, causing randomly broken fibres (Lin and Fatt 2006;Sultan et al 2012;Pandya et al 2013). Generally, the rupture of aramid and kenaf fibres as well as matrix fracture were major failure modes in the high-impact tests.…”

Section: Damage Mechanismsmentioning

confidence: 99%

Ballistic Impact Resistance of Plain Woven Kenaf/Aramid Reinforced Polyvinyl Butyral Laminated Hybrid Composite

Salman¹,

Leman²,

Sultan³

et al. 2016

BioResources

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Traditionally, the helmet shell has been used to provide protection against head injuries and fatalities caused by ballistic threats. In this study, because of the high cost of aramid fibres and the necessity for environmentally friendly alternatives, a portion of aramid was replaced with plain woven kenaf fibre, with different arrangements and thicknesses, without jeopardising the requirements demanded by U.S. Army helmet specifications. Furthermore, novel helmets were produced and tested to reduce the dependency on the ballistic resistance components. Their use could lead to helmets that are less costly and more easily available than conventional helmet armour. The hybrid materials subjected to ballistic tests were composed of 19 layers and were fabricated by the hot press technique using different numbers and configurations of plain woven kenaf and aramid layers. In the case of ballistic performance tests, a positive effect was found for the hybridisation of kenaf and aramid laminated composites.

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“…It is vital to understand the damage involved in the impact of composites. Sultan et al [20] have provide a model that can be used to generate a general understanding on the prediction of damage and failure progression in CFRP as a function of the number of layers and impact energies. Glass fibre has been the most common form of reinforcement because of its low cost [21].…”

Section: ____________________________________________________________mentioning

confidence: 99%

A Novel Method for Detecting and Characterizing Low Velocity Impact (Lvi) in Commercial Composite

Safri¹

2014

IJRET

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Impact damage characterisation of composite laminates using a statistical approach

Cited by 67 publications

References 28 publications

Condition Structural Index using Principal Component Analysis for undamaged, damage and repair conditions of carbon fiber–reinforced plastic laminate

Condition Structural Index using Principal Component Analysis for undamaged, damage and repair conditions of carbon fiber–reinforced plastic laminate

Ballistic Impact Resistance of Plain Woven Kenaf/Aramid Reinforced Polyvinyl Butyral Laminated Hybrid Composite

A Novel Method for Detecting and Characterizing Low Velocity Impact (Lvi) in Commercial Composite

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