Search Results - "Pieris, Don"

Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components by Pieris, Don, Stratoudaki, Theodosia, Javadi, Yashar, Lukacs, Peter, Catchpole-Smith, Sam, Wilcox, Paul D., Clare, Adam, Clark, Matt

“…Additive manufacturing (AM) has the capability to build complex parts with internal features, which have many advantages over conventionally manufactured…”
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Tailored elastic surface to body wave Umklapp conversion by Chaplain, Gregory J., De Ponti, Jacopo M., Colombi, Andrea, Fuentes-Dominguez, Rafael, Dryburg, Paul, Pieris, Don, Smith, Richard J., Clare, Adam, Clark, Matt, Craster, Richard V.

“…Elastic waves guided along surfaces dominate applications in geophysics, ultrasonic inspection, mechanical vibration, and surface acoustic wave devices;…”
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Near-surface defect detection in additively manufactured components using laser induced phased arrays with surface acoustic wave crosstalk suppression by Davis, Geo, Stratoudaki, Theodosia, Lukacs, Peter, Riding, Matthew W., Al Fuwaires, Ahmed, Kamintzis, Panagiotis, Pieris, Don, Keenan, Alan, Wilcox, Paul, Pierce, Gareth, MacLeod, Charles, Williams, Stewart

“…In-process inspection of the additive manufacturing process requires a technique that can provide reliable measurements given the extreme operating…”
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Imaging Microstructure on Optically Rough Surfaces Using Spatially Resolved Acoustic Spectroscopy by Li, Wenqi, Dryburgh, Paul, Pieris, Don, Patel, Rikesh, Clark, Matt, Smith, Richard J.

“…The microstructure of a material defines many of its mechanical properties. Tracking the microstructure of parts during their manufacturing is needed to ensure…”
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Imaging Material Texture of As-Deposited Selective Laser Melted Parts Using Spatially Resolved Acoustic Spectroscopy by Patel, Rikesh, Hirsch, Matthias, Dryburgh, Paul, Pieris, Don, Achamfuo-Yeboah, Samuel, Smith, Richard, Light, Roger, Sharples, Steve, Clare, Adam, Clark, Matt

“…Additive manufacturing (AM) is a production technology where material is accumulated to create a structure, often through added shaped layers. The major…”
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Measurement of the single crystal elasticity matrix of polycrystalline materials by Dryburgh, Paul, Li, Wenqi, Pieris, Don, Fuentes-Domínguez, Rafael, Patel, Rikesh, Smith, Richard J., Clark, Matt

“…[Display omitted] Many engineering metals are polycrystalline, as such the elasticity, crystalline orientation and grain distribution are cardinal factors in…”
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Towards In-Process Inspection of Additive Manufacturing Using Laser Ultrasonics by Pieris, Don

“…This thesis investigates the capabilities of two laser ultrasonic (LU) non-destructive evaluation (NDE) techniques to carry out an in-process inspection of…”
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Crystallographic texture can be rapidly determined by electrochemical surface analytics by Speidel, Alistair, Su, Rong, Mitchell-Smith, Jonathon, Dryburgh, Paul, Bisterov, Ivan, Pieris, Don, Li, Wenqi, Patel, Rikesh, Clark, Matt, Clare, Adam T.

“…Orientation affects application-defining properties of crystalline materials. Hence, information in this regard is highly-prized. We show that electrochemical…”
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Design of a resonant Luneburg lens for surface acoustic waves by Fuentes-Domínguez, Rafael, Yao, Mengting, Colombi, Andrea, Dryburgh, Paul, Pieris, Don, Jackson-Crisp, Alexander, Colquitt, Daniel, Clare, Adam, Smith, Richard J., Clark, Matt

“…In this work we employ additive manufacturing to print a circular array of micropillars on an aluminium slab turning its top surface into a graded index…”
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The effect of distortion models on characterisation of real defects using ultrasonic arrays by Bai, Long, Velichko, Alexander, Clare, Adam T., Dryburgh, Paul, Pieris, Don, Drinkwater, Bruce W.

“…Characterisation of real defects is one of the main challenges in ultrasonic non-destructive testing (NDT), especially for small defects having irregular…”
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Machining of directed energy deposited Ti6Al4V using adaptive control by Oyelola, Olusola, Jackson-Crisp, Alexander, Crawforth, Pete, Pieris, Don M., Smith, Richard J., M’Saoubi, Rachid, Clare, Adam T.

“…Additively manufactured (AM) components possess microstructures different from conventional forms in the same material and as a consequence, the mechanical…”
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Spatially resolved acoustic spectroscopy for integrity assessment in wire–arc additive manufacturing by Dryburgh, Paul, Pieris, Don, Martina, Filomeno, Patel, Rikesh, Sharples, Steve, Li, Wenqi, Clare, Adam T., Williams, Stewart, Smith, Richard J.

“…[Display omitted] Wire–arc additive manufacturing (WAAM) is an emergent method for the production and repair of high value components. Introduction of plastic…”
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Grating-lobe Suppression through Angular Weighting for Laser Induced Phased Arrays by Lukacs, Peter, Pieris, Don, Davis, Geo, Wilcox, Paul, Stratoudaki, Theodosia

“…Laser Induced Phased Arrays (LIPAs) use lasers to generate and detect ultrasound, synthesizing the array in post processing. Data acquisition is done remotely,…”
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Grating Lobe Suppression Through Novel, Sparse Laser Induced Phased Array Design by Lukacs, Peter, Davis, Geo, Pieris, Don, Gachagan, Anthony, Stratoudaki, Theodosia

“…Laser Induced Phased Array (LIPA) is a non-contact, couplant-free inspection technique providing high quality ultrasonic imaging. LIPAs use lasers for…”
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Tailored elastic surface to body wave Umklapp conversion by Chaplain, Gregory J, De Ponti, Jacopo M, Colombi, Andrea, Fuentes-Dominguez, Rafael, Dryburg, Paul, Pieris, Don, Smith, Richard J, Clare, Adam, Clark, Matt, Craster, Richard V

“…Elastic waves guided along surfaces dominate applications in geophysics, ultrasonic inspection, mechanical vibration, and surface acoustic wave devices;…”
Get full text