Optical infrared thermography of CFRP with artificial defects : performance of various post-processing techniques [PDF]
, 2018 This paper treats an experimental study that focusses on optical infrared thermography for non-destructive testing of composites through lock-in and flash excitation.
Calderon Tellez, Javier Andres +5 more
core +2 more sources
A Review of Microwave Thermography Nondestructive Testing and Evaluation
Sensors, 2017 Microwave thermography (MWT) has many advantages including strong penetrability, selective heating, volumetric heating, significant energy savings, uniform heating, and good thermal efficiency.
Hong Zhang +5 more
doaj +1 more source
Non destructive investigation of defects in composite structures by fullfield measurement methods [PDF]
, 2013 This paper presents different interests of non destructive full-field measurement. More precisely, it focuses on the characterization and the comparison of the X-ray tomography and two methods of infrared thermography in order to define the defect ...
Dalverny, Olivier +6 more
core +2 more sources
Lock-in Thermography for the Development of New Materials
Materials Today: Proceedings, 2017 Abstract Thermal management is one of the crucial concerns for mid- and high-power white light-emitting diodes (LEDs). Most of the currently available white LEDs on the market consist of a blue LED chip coated with a yellow phosphor-polymer composite.
Peter W. Nolte +5 more
openaire +1 more source
AIP Advances, 2020 The second-order conventional and first-order inverse magnetocaloric effects (MCEs) in Ni–Mn-based quaternary Heusler alloys have been systematically investigated by means of the lock-in thermography technique, which enables the direct measurement of the
Rajkumar Modak +4 more
doaj +1 more source
IMPLEMENTAZIONE DI TECNICHE DI TERMOGRAFIA ATTIVA IRNDT SU COMPOSITI GRP MEDIANTE LA DEPOSIZIONE DI IMPULSI TERMICI DI LUNGA DURATA [PDF]
, 2011 Nel presente lavoro viene analizzata l\u2019implementazione di tecniche attive di termografia ad infrarossi per analisi NDT su pannelli in composito.
Licari, A., Pitarresi, G.
core
THz QCL - Based active imaging applied to composite materials diagnostic [PDF]
, 2010 This paper presents a CW raster-scanning THz imaging setup, used to perform Non-Destructive Testing of Kevlar and carbon fibre samples. The setup uses a 2.5 THz Quantum Cascade Laser as a source.
Barbieri, Stefano +4 more
core +1 more source
Advanced Materials, EarlyView.We report a multifunctional tapered optical fiber integrating a conformal micro‐resistance temperature detector (µRTD) for local, real‐time thermometry during optical stimulation. The platform combines light‐delivery and temperature sensing within a minimally invasive footprint, enabling detection of sub‐degree cortical heating under representative ...
Antonio Balena +6 more
wiley +1 more source
Design and Construction of an LED-Based Excitation Source for Lock-In Thermography
Applied Sciences, 2022 Active thermography is an established technique for non-destructive testing and defect localisation. For external excitation, powerful light sources are commonly used.
Patrick Dahlberg +3 more
doaj +1 more source
Application of non destructive testing to the detection of aeronautical defects in composite structures [PDF]
, 2013 A study of two Non-destructive Testing methods (NDT) was carried out in specimens with different kinds of simulated defects. Ultrasonics test (US) and Infrared Thermography (IRT) were applied with the aim to evaluate the detectability and the accuracy of
Cantarel, Arthur +5 more
core +2 more sources