Search Results - "Holford, Karen"

Damage classification in reinforced concrete beam by acoustic emission signal analysis by Shahidan, Shahiron, Pulin, Rhys, Muhamad Bunnori, Norazura, Holford, Karen M.

“…•This research is about utilising the acoustic emission to identify the damage level and nature of damage.•The AE data parameters were used to classify and to…”
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Damage assessment of corrosion in prestressed concrete by acoustic emission by Elfergani, Hisham A., Pullin, Rhys, Holford, Karen M.

“…► Development of Acoustic Emission (AE) techniques for damage detection. ► Applications of AE to concrete reinforced structures including pipes. ► Successfully…”
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An Assessment of the Effect of Progressive Water Absorption on the Interlaminar Strength of Unidirectional Carbon/Epoxy Composites Using Acoustic Emission by Almudaihesh, Faisel, Grigg, Stephen, Holford, Karen, Pullin, Rhys, Eaton, Mark

“…Carbon Fibre-Reinforced Polymers (CFRPs) in aerospace applications are expected to operate in moist environments where carbon fibres have high resistance to…”
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Damage classification in carbon fibre composites using acoustic emission: A comparison of three techniques by McCrory, John P., Al-Jumaili, Safaa Kh, Crivelli, Davide, Pearson, Matthew R., Eaton, Mark J., Featherston, Carol A., Guagliano, Mario, Holford, Karen M., Pullin, Rhys

“…Classifying the type of damage occurring within a structure using a structural health monitoring system can allow the end user to assess what kind of repairs,…”
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A new methodology for automating acoustic emission detection of metallic fatigue fractures in highly demanding aerospace environments: An overview by Holford, Karen M., Eaton, Mark J., Hensman, James J., Pullin, Rhys, Evans, Sam L., Dervilis, Nikolaos, Worden, Keith

“…The acoustic emission (AE) phenomenon has many attributes that make it desirable as a structural health monitoring or non-destructive testing technique,…”
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Optimized placement of parasitic vibration energy harvesters for autonomous structural health monitoring by Pearson, Matthew, Featherston, Carol A, Pullin, Rhys, Holford, Karen M

“…Energy harvesting, based on sources including vibration and thermal gradients, has been exploited in recent years to power telemetry, small devices, or to…”
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Characterisation of fatigue damage in composites using an Acoustic Emission Parameter Correction Technique by Al-Jumaili, Safaa Kh, Eaton, Mark J., Holford, Karen M., Pearson, Matthew R., Crivelli, Davide, Pullin, Rhys

“…In industrial applications of composite materials, accurate characterisation of damage is vital. Acoustic Emission (AE) can be utilised to achieve this,…”
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Improved acoustic emission source location during fatigue and impact events in metallic and composite structures by Pearson, Matthew R, Eaton, Mark, Featherston, Carol, Pullin, Rhys, Holford, Karen

“…In order to overcome the difficulties in applying traditional time-of-arrival techniques for locating acoustic emission events in complex structures and…”
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Optimisation of acoustic emission wavestreaming for structural health monitoring by McCrory, John P, Pearson, Matthew R, Pullin, Rhys, Holford, Karen M

“…Structural health monitoring has gained wide appeal for applications with high inspection costs, such as aircraft and wind turbines. As the structures and…”
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Parameter Correction Technique (PCT): A novel method for acoustic emission characterisation in large-scale composites by Al-Jumaili, Safaa Kh, Holford, Karen M., Eaton, Mark J., Pullin, Rhys

“…In composite materials, accurate characterisation of damage using NDT techniques is vital. Techniques which are well developed in homogeneous materials do not…”
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Delta T source location for acoustic emission by Baxter, Matthew Geoffrey, Pullin, Rhys, Holford, Karen M., Evans, Sam L.

“…Acoustic emission (AE) source location provides a powerful tool for the engineer. Current methods, time of arrival (TOA) location and single sensor modal…”
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Classification of acoustic emission data from buckling test of carbon fibre panel using unsupervised clustering techniques by Al-Jumaili, Safaa Kh, Holford, Karen M, Eaton, Mark J, McCrory, John P, Pearson, Matthew R, Pullin, Rhys

“…Acoustic emission is widely used for mechanical diagnostics and to characterise damage in composite materials. Distinction between different damage mechanisms…”
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Detecting and Monitoring Cracks in Aerospace Materials Using Post-Processing of TSA and AE Data by Middleton, Ceri A., McCrory, John P., Greene, Richard J., Holford, Karen, Patterson, Eann A.

“…Thermoelastic stress analysis (TSA) is a non-contact technique for measuring the distribution of stress in the surface of a component subject to cyclic loading…”
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Helping Your Students to Flourish by Holford, Karen

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Use of Macro Fibre Composite Transducers as Acoustic Emission Sensors by Eaton, Mark, Pullin, Rhys, Holford, Karen, Evans, Sam, Featherston, Carol, Rose, Alex

“…The need for ever lighter and more efficient aerospace structures and components has led to continuous optimization pushing the limits of structural…”
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The influence of water absorption on unidirectional and 2D woven CFRP composites and their mechanical performance by Almudaihesh, Faisel, Holford, Karen, Pullin, Rhys, Eaton, Mark

“…This paper discusses a key parameter ‘fibre architecture’ that is believed to play a major part in the performance of CFRP composites when subjected to water…”
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A comparison study of water diffusion in unidirectional and 2D woven carbon/epoxy composites by Almudaihesh, Faisel, Holford, Karen, Pullin, Rhys, Eaton, Mark

“…The use of CFRP composites is significantly increasing in the aerospace, automotive, and marine industries, particularly in safety critical primary structures…”
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Acoustic emission wave propagation in honeycomb sandwich panel structures by Abdulaziz, Ahmed H., Hedaya, Mohammed, Elsabbagh, Adel, Holford, Karen, McCrory, John

“…•Acoustic emission wave is studied in honeycomb sandwich panel on different scales.•Honeycomb cells were found to act as conduit of AE wave energy.•Honeycomb…”
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Localisation and identification of fatigue matrix cracking and delamination in a carbon fibre panel by acoustic emission by Crivelli, Davide, Guagliano, Mario, Eaton, Mark, Pearson, Matthew, Al-Jumaili, Safaa, Holford, Karen, Pullin, Rhys

“…The use of Acoustic Emission (AE) as a Structural Health Monitoring (SHM) technique is very attractive thanks to its ability to detect not only damage sources…”
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Acoustic emission source location on large plate-like structures using a local triangular sensor array by Aljets, Dirk, Chong, Alex, Wilcox, Steve, Holford, Karen

“…A new acoustic emission (AE) source location method was developed for large plate-like structures, which evaluates the location of the source using a combined…”
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