scholarly journals Development and Application of Infrared Thermography Non-Destructive Testing Techniques

Sensors ◽  
2020 ◽  
Vol 20 (14) ◽  
pp. 3851
Author(s):  
Zhi Qu ◽  
Peng Jiang ◽  
Weixu Zhang
Keyword(s):  
Nondestructive Testing ◽  
Infrared Thermography ◽  
Infrared Image ◽  
Development Trend ◽  
Thermal Excitation ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Infrared Image Processing ◽  
Testing Techniques ◽  
Non Destructive

Effective testing of defects in various materials is an important guarantee to ensure its safety performance. Compared with traditional non-destructive testing (NDT) methods, infrared thermography is a new NDT technique which has developed rapidly in recent years. Its core technologies include thermal excitation and infrared image processing. In this paper, several main infrared thermography nondestructive testing techniques are reviewed. Through the analysis and comparison of the detection principle, technical characteristics and data processing methods of these testing methods, the development of the infrared thermography nondestructive testing technique is presented. Moreover, the application and development trend are summarized.

scholarly journals Porosity and Inclusion Detection in CFRP by Infrared Thermography

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
C. Toscano ◽  
C. Meola ◽  
M. C. Iorio ◽  
G. M. Carlomagno
Keyword(s):  
Infrared Thermography ◽  
Production Costs ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Evaluation Methodologies ◽  
Slag Inclusions ◽  
Aeronautical Industry ◽  
Testing Techniques ◽  
Lock In ◽  
Non Destructive

The ever wide use of composite materials in the aeronautical industry has evidenced the need for development of ever more effective nondestructive evaluation methodologies in order to reduce rejected parts and to optimize production costs. Infrared thermography has been recently enclosed amongst the standardized non destructive testing techniques, but its usefulness needs still complete assessment since it can be employed in several different arrangements and for many purposes. In this work, the possibility to detect slag inclusions and porosity is analyzed with both lock-in themography and pulse thermography in the transmission mode. To this end, carbon-fiber-peinforced polymers different specimens are specifically fabricated of several different stacking sequences and with embedded slag inclusions and porosity percentages. As main results, both of the techniques are found definitely able to reveal the presence of the defects above mentioned. Moreover, these techniques could be considered complementary in order to better characterize the nature of the detected defects.

scholarly journals Characterization of Ancient Marquetry Using Different Non-Destructive Testing Techniques

2021 ◽  
Vol 11 (17) ◽  
pp. 7979
Author(s):  
Henrique Fernandes ◽  
Jannik Summa ◽  
Julie Daudre ◽  
Ute Rabe ◽  
Jonas Fell ◽  
...  
Keyword(s):  
Cultural Heritage ◽  
Infrared Thermography ◽  
The Other ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
X Ray ◽  
Testing Techniques ◽  
Micro Tomography ◽  
Non Destructive

Non-destructive testing of objects and structures is a valuable tool, especially in cultural heritage where the preservation of the inspected sample is of vital importance. In this paper, a decorative marquetry sample is inspected with three non-destructive testing (NDT) techniques: air-coupled ultrasound, X-ray micro-tomography, and infrared thermography. Results from the three techniques were compared and discussed. X-ray micro-tomography presented the most detailed results. On the other hand, infrared thermography provided interesting results with the advantage of being cheap and easy in the deployment of the NDT method.

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

2021 ◽  
Vol 11 (24) ◽  
pp. 12168
Author(s):  
Yoonjae Chung ◽  
Seungju Lee ◽  
Wontae Kim
Keyword(s):  
Signal Processing ◽  
Infrared Thermography ◽  
Heat Diffusion ◽  
Thermal Excitation ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Pulsed Thermography ◽  
Processing Techniques ◽  
Non Destructive ◽  
Signal Processing Techniques

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, infrared thermography is one of the most promising technologies as it can inspect a large area quickly using a non-contact and non-destructive method. Moreover, thermography testing has proved to be a valuable approach for non-destructive testing and evaluation of structural stability of materials. Pulsed thermography is one of the active thermography technologies that utilizes external energy heating. However, due to the non-uniform heating, lateral heat diffusion, environmental noise, and limited parameters of the thermal imaging system, there are some difficulties in detecting and characterizing defects. In order to improve this limitation, various signal processing techniques have been developed through many previous studies. This review presents the latest advances and exhaustive summary of representative signal processing techniques used in pulsed thermography according to physical principles and thermal excitation sources. First, the basic concept of infrared thermography non-destructive testing is introduced. Next, the principle of conventional pulsed thermography and signal processing technologies for non-destructive testing are reviewed. Then, we review advances and recent advances in each signal processing. Finally, the latest research trends are reviewed.

Развитие вибротермографии как метода неразрушающего контроля изделий из полимерных конструкционных материалов с использованием принудительных механических вибраций

2021 ◽  
Vol 6 ◽  
pp. 35-45
Author(s):  
С.В. Дубинский ◽  
Е.А. Казьмин ◽  
И.Е. Ковалев ◽  
А.Б. Корнилов ◽  
Г.А. Корнилов ◽  
...  
Keyword(s):  
Composite Structures ◽  
Impact Damage ◽  
Thermal Excitation ◽  
Ultrasonic Frequency ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Internal Damage ◽  
Mechanical Oscillations ◽  
Testing Techniques ◽  
Non Destructive

The method of vibrothermography may be considered as one of the promising thermal non-destructive testing techniques, which can be applied for the detection of internal damage in composite structures. The thermal excitation of the structure in case of vibrothermography is caused by the mechanical oscillations on the sonic or ultrasonic frequency, and the change in temperature field of the object is controlled by thermography methods. The present paper considers the method of vibration testing and presents the results of thermography studies focused on the behavior of composite structure with impact damage subjected to vibration loading.

Paper 5: Non-Destructive Testing Techniques and Their Relationship to Design Problems

1969 ◽  
Vol 184 (2) ◽  
pp. 36-44
Author(s):  
D. Birchon
Keyword(s):  
Nondestructive Testing ◽  
Engineering Design ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Design Problems ◽  
Design Procedures ◽  
Material Characteristics ◽  
Testing Techniques ◽  
Non Destructive

The range and sophistication of non-destructive testing techniques now available is capable, with a few exceptions, of finding defects far smaller than those which need to be eliminated from a structure if it is to perform its function satisfactorily. Nevertheless, some unacceptable defects do slip through the present nondestructive testing processes, and these errors must be prevented. One of the principal causes of unnecessary ambiguity and expense in non-destructive testing arises from the sophistication of some of the NDT techniques available today. As a result, the reaction of engineers to non-destructive testing techniques varies between the extremes of blissful confidence in their efficacy, and wary (or even ‘weary’) concern over their uncertainties, limitations, and cost. This unfortunate situation has arisen just at a time when our increasing precision in non-destructive testing techniques, and our better knowledge of material characteristics and sophistication of design procedures, should enable the gap between non-destructive testing and engineering design to be closed. This paper will therefore argue the case for a simple, formalized method of validating non-destructive testing in a way which, it is hoped, can help to rationalize and integrate some of the factors involved in the difficult compromise which lies at the heart of engineering design.

scholarly journals Inspection of radiant heating floor applying non-destructive testing techniques: GPR and IRT

DYNA ◽  
2015 ◽  
Vol 82 (190) ◽  
pp. 221-226 ◽  
Author(s):  
Susana Lagüela Lopez ◽  
Mercedes Solla Carracelas ◽  
Lucía Díaz Vilariño ◽  
Julia Armesto González
Keyword(s):  
Infrared Thermography ◽  
Ground Penetrating Radar ◽  
Radiant Heating ◽  
Non Destructive Testing ◽  
Ceramic Tiles ◽  
Destructive Testing ◽  
Testing Techniques ◽  
Ground Penetrating ◽  
Non Destructive ◽  
Non Destructive Techniques

The inspection of radiant heating floors requires the use of non-destructive techniques, trying to minimize inspection impact, time and cost, and maximize the information acquired so that the best possible diagnosis is given. With this goal, we propose the application of infrared thermography (IRT) and ground penetrating radar (GPR) for the inspection of radiant heating floors with different floor coatings, in order to evaluate the capabilities and information acquirable with each technique. Specifically, two common floor coatings have been inspected: ceramic tiles and parquet flooring. Results show that each technique provides different information: condition of the pipelines (IRT), geometry and configuration (GPR), concluding that the optimal inspection is constituted by the combination of the two techniques.

Acoustic and Photoacoustic Inspection of Through-Silicon Vias in the GHz-Frequency Band

2017 ◽  
Author(s):  
Sebastian Brand ◽  
Michael Kögel ◽  
Frank Altmann ◽  
Ingrid DeWolf ◽  
Ahmad Khaled ◽  
...  
Keyword(s):  
Quality Assessment ◽  
Frequency Band ◽  
Process Development ◽  
Three Dimensional ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Vertical Interconnection ◽  
Testing Techniques ◽  
Silicon Vias ◽  
Non Destructive

Abstract Through Silicon Via (TSV) is the most promising technology for vertical interconnection in novel three-dimensional chip architectures. Reliability and quality assessment necessary for process development and manufacturing require appropriate non-destructive testing techniques to detect cracks and delamination defects with sufficient penetration and imaging capabilities. The current paper presents the application of two acoustically based methods operating in the GHz-frequency band for the assessment of the integrity of TSV structures.

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