3D Surface Profile Construction and Flaw Detection in a Composite Structure

The nondestructive method of evaluating material properties and structural integrity is built upon ultrasonic scanning, raw data acquisition and processing, coming from an ultrasonic transducer. Commercial software LabVIEW designed by National Instruments Inc. is aimed at processing ultrasonic image...

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Bibliographic Details
Published in:Strength of materials 2019-01, Vol.51 (1), p.130-137
Main Authors: Her, S.-C., Chu, W.-B.
Format: Article
Language:English
Subjects:
Aluminum
Aluminum plate
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Composite structures
Data collection
Flaw detection
Imaging systems
Inspection
Laminates
Material properties
Materials Science
Mechanical engineering
Metal plates
Nondestructive testing
Signal processing
Solid Mechanics
Structural integrity
Technology
Ultrasonic transducers
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Description
Summary:The nondestructive method of evaluating material properties and structural integrity is built upon ultrasonic scanning, raw data acquisition and processing, coming from an ultrasonic transducer. Commercial software LabVIEW designed by National Instruments Inc. is aimed at processing ultrasonic images. An ultrasonic C-scan image system was developed. This system is capable of constructing a 3D surface profile and detecting flaws inside the composite structure. The technique for nondestructive inspection and geometry estimation is validated experimentally on an aluminum plate with small holes and composite structure with a delamination defect.
ISSN:0039-2316
1573-9325
DOI:10.1007/s11223-019-00058-9