Dr. Qiwen Qiu Profile

Dr. Qiwen Qiu

Postdoc Research Associate

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Publications (7)

Proceedings Article | 22 April 2020 Presentation + Paper

Use of high-speed camera for defect detection in FRP bonded system under different excitation methods

Renyuan Qin, Qiwen Qiu, Denvid Lau

Proceedings Volume 11380, 1138017 (2020) https://doi.org/10.1117/12.2558066

KEYWORDS: Fiber reinforced polymers, High speed cameras, Imaging systems, Defect detection

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Proceedings Article | 1 April 2019 Paper

Grain effect on the accuracy of defect detection in wood structure by using acoustic-laser technique

Qiwen Qiu, Denvid Lau

Proceedings Volume 10971, 109710X (2019) https://doi.org/10.1117/12.2514285

KEYWORDS: Defect detection, Nondestructive evaluation, Inspection, Acoustics, Civil engineering

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Proceedings Article | 27 March 2018 Paper

Tomography reconstruction methods for damage diagnosis of wood structure in construction field

Qiwen Qiu, Denvid Lau

Proceedings Volume 10599, 105991S (2018) https://doi.org/10.1117/12.2296328

KEYWORDS: Tomography, Defect detection, Nondestructive evaluation, Acoustics, Ultrasonics

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Proceedings Article | 19 April 2017 Paper

Defect visualization in FRP-bonded concrete by using high speed camera and motion magnification technique

Qiwen Qiu, Denvid Lau

Proceedings Volume 10169, 101692D (2017) https://doi.org/10.1117/12.2259916

KEYWORDS: Video, High speed cameras, Fiber reinforced polymers, Visualization, Video processing, Epoxies, Nondestructive evaluation, Defect detection, Composites, Inspection

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Proceedings Article | 22 April 2016 Paper

A review of nondestructive testing approaches using mechanical and electromagnetic waves

Denvid Lau, Qiwen Qiu

Proceedings Volume 9804, 98042E (2016) https://doi.org/10.1117/12.2218739

KEYWORDS: Nondestructive evaluation, Electromagnetic radiation, Reflection, Defect detection, Ultrasonics, Laser interferometry, Acoustic emission, Fiber lasers, Acoustics, Optical fibers

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Proceedings Article | 22 April 2016 Presentation + Paper

Use of laser reflection technique for defect detection in CFRP-concrete systems

Qiwen Qiu, Denvid Lau

Proceedings Volume 9804, 98041C (2016) https://doi.org/10.1117/12.2218751

KEYWORDS: Reflection, Defect detection, Laser systems engineering, Carbon, Fiber reinforced polymers, Fiber lasers, Digital cameras, Inspection, Nondestructive evaluation, Osmium, Composites, Foam, Epoxies, Laser bonding

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Proceedings Article | 1 April 2015 Paper

Experimental evaluation on the effectiveness of acoustic-laser technique towards the FRP-bonded concrete system

Qiwen Qiu, Denvid Lau

Proceedings Volume 9437, 943705 (2015) https://doi.org/10.1117/12.2086479

KEYWORDS: Acoustics, Fiber reinforced polymers, Defect detection, Nondestructive evaluation, Composites, Scanning probe lithography, Inspection, Acoustic emission, Thermography, Testing and analysis

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Showing 5 of 7 publications

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