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Sam Na
at KAIST
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Publications (4)
Proceedings Article | 8 March 2014 Paper
A preliminary study on the prediction of damaged areas on ordinary concrete and lightweight concrete using electromechanical impedance technique with different frequency ranges
K. Cho, S. Na, J. G. Jang, H. Lee
Proceedings Volume 9061, 906108 (2014) https://doi.org/10.1117/12.2044557
KEYWORDS: Sensors, Ferroelectric materials, Electromagnetic coupling, Nondestructive evaluation, Oscilloscopes, Cements, Statistical analysis, Civil engineering, Actuators, Thermography
Proceedings Article | 19 April 2013 Paper
A study of reusable electromechanical impedance methods for structural health monitoring of civil structures
R. Tawie, S. Na, H. Lee
Proceedings Volume 8692, 869235 (2013) https://doi.org/10.1117/12.2010077
KEYWORDS: Ferroelectric materials, Electromagnetic coupling, Adhesives, Sodium, Sensors, Nondestructive evaluation, Magnetism, Cements, Structural health monitoring, Reliability
Proceedings Article | 18 April 2012 Paper
Improvement method for impedance-based nondestructive evaluation on concrete structures using a piezoceramic material
S. Na, H. K. Lee
Proceedings Volume 8348, 83480A (2012) https://doi.org/10.1117/12.915697
KEYWORDS: Ferroelectric materials, Electromagnetic coupling, Damage detection, Nondestructive evaluation, Sensors, Temperature metrology, Buildings, Civil engineering, Humidity, Structural health monitoring
Proceedings Article | 14 April 2011 Paper
Impedance-based non-destructive evaluation of the FRP adhesive joints in corrosive environment with re-usable technique
S. Na, R. Tawie, H. K. Lee
Proceedings Volume 7981, 79811B (2011) https://doi.org/10.1117/12.880655
KEYWORDS: Ferroelectric materials, Adhesives, Sensors, Fiber reinforced polymers, Electromagnetic coupling, Composites, Nondestructive evaluation, Magnetic sensors, Environmental sensing, Bridges
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