Results 11 to 20 of about 1,265 (177)

Pulsed Thermography Applied to the Study of Cultural Heritage

open access: yesApplied Sciences, 2017
In this paper, an overview of the recent applications of pulsed infrared thermography is presented. Pulsed infrared thermography, which provides stratigraphic information by analyzing the heat diffusion process within the sample after a thermal ...
Fulvio Mercuri   +4 more
doaj   +4 more sources

Determination of Thermal Diffusivity of Austenitic Steel Using Pulsed Infrared Thermography

open access: yesArchives of Metallurgy and Materials, 2014
The simple method of determining thermal diffusivity of solid materials at room temperature using the pulsed infrared thermography (IRT) is proposed. The theoretical basis of the method and experimental results are presented.
Kochanowski K.   +3 more
doaj   +2 more sources

Latest Advances in Common Signal Processing of Pulsed Thermography for Enhanced Detectability: A Review

open access: yesApplied Sciences, 2021
Non-destructive testing (NDT) is a broad group of testing and analysis techniques used in science and industry to evaluate the properties of a material, structure, or system for characteristic defects and discontinuities without causing damage. Recently,
Yoonjae Chung, Seungju Lee, Wontae Kim
doaj   +2 more sources

Pulsed thermographic analysis of Herculaneum papyri [PDF]

open access: yesScientific Reports
The Herculaneum papyri represent an exceptional cultural treasure, providing invaluable insights into the philosophical, literary and historical landscape of the Greco-Roman world.
Sofia Ceccarelli   +9 more
doaj   +2 more sources

A novel phased-array thermography concept for non-destructive testing [PDF]

open access: yesScientific Reports
Phased array technology involves the coordinated control of multiple elements to steer and focus elastic, electromagnetic, light, seismic, and radio waves in a specific location or direction.
Cristiano Martinelli, Michele Meo
doaj   +2 more sources

Compression of Pulsed Infrared Thermography Data With Unsupervised Learning for Nondestructive Evaluation of Additively Manufactured Metals

open access: yesIEEE Access, 2022
Additive manufacturing (AM) of high-strength metals, which is typically based on laser powder bed fusion (LPBF), can introduce microscopic pores in the AM metal.
Xin Zhang   +3 more
doaj   +3 more sources

Inspection Detectability Improvement for Metal Defects Detected by Pulsed Infrared Thermography

open access: yesPhotonic Sensors, 2019
Aiming at the drawbacks of low contrast and high noise in the thermal images, a novel method based on the combination of the thermal image sequence reconstruction and the first-order differential processing is proposed in this work, which is comprised of
Zhengwei Yang   +5 more
doaj   +2 more sources

Effective Thermal Diffusivity Measurement Using Through-Transmission Pulsed Thermography: Extending the Current Practice by Incorporating Multi-Parameter Optimisation [PDF]

open access: yesSensors
Through-transmission pulsed thermography (PT) is an effective non-destructive testing (NDT) technique for assessing material thermal diffusivity. However, the current literature indicates that the technique has lagged behind the reflection mode in terms ...
Zain Ali, Sri Addepalli, Yifan Zhao
doaj   +2 more sources

Study of multi-long-pulse thermography using high-power fiber lasers

open access: yesAIP Advances, 2023
Active infrared thermography tests are performed using a high-power continuous fiber laser as the excitation source. Multi-long-pulses (MLPs) are used to detect deep defects in samples with reduced heating.
Gangbo Hu   +4 more
doaj   +1 more source

Dual-band active thermography on infrared transparent materials

open access: yes, 2022
S.189-200Infrared semi-transparent materials, like zirconia thermal barrier coatings on steel, CFRP, wood and human skin were investigated by flash excited pulsed and laser excited lock-in thermography.
Abuhamad, M., Netzelmann, U.
core   +2 more sources

Home - About - Disclaimer - Privacy