Detection of wear cracks by photothermal radiometry

Bodnar, Jean-Luc; Menu, C.; Egée, M.; Pigeon, Pascale; Blanc, Amandine

doi:10.1016/0043-1648(93)90546-x

Cited by 16 publications

(3 citation statements)

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“…This photothermal signal depends on not only photothermal parameters such as the thermal conductivity and the thermal diffusivity but also parameters that can be correlated with the presence of delamination and cracks. The method offers engineers a means of characterizing these various parameters [1][2][3][4][5][6][7][8][9]. Stimulated infrared thermography is commonly implemented under CW or flash excitation.…”

Section: Introductionmentioning

confidence: 99%

Non-destructive Testing by Infrared Thermography Under Random Excitation and ARMA Analysis

Bodnar¹,

Candoré²,

Detalle

2012

Int J Thermophys

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Photothermal thermography is a non-destructive testing (NDT) method, which has many applications in the field of control and characterization of thin materials. This technique is usually implemented under CW or flash excitation. Such excitations are not adapted for control of fragile materials or for multi-frequency analysis. To allow these analyses, in this article, the use of a new control mode is proposed: infrared thermography under random excitation and auto regressive moving average analysis. First, the principle of this NDT method is presented. Then, the method is shown to permit detection, with low energy constraints, of detachments situated in mural paintings.

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Section: Introductionmentioning

confidence: 99%

Non-destructive Testing by Infrared Thermography Under Random Excitation and ARMA Analysis

Bodnar¹,

Candoré²,

Detalle

2012

Int J Thermophys

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“…This method allows for the thermophysical analysis of thin materials both non destructively and without contact. It has already been implemented to detect and characterize various types of localised or extended defects (delaminations, cracks, inclusions, etc), in various types of materials (metal, composite, etc) [1][2][3][4][5][6][7][8]. Due to this description, stimulated infrared thermography is very fitting for use in the field of the restoration of works of art and for several years now, many teams have used it in this way [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Non-destructive testing of works of art by stimulated infrared thermography

Candoré¹,

Bodnar²,

Detalle

et al. 2011

Eur. Phys. J. Appl. Phys.

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In this work, we present various examples of assistance to the restoration of works of art by stimulated infrared thermography. We show initially that the method allows the detection of delamination located in mural paintings, such as in the «Saint Christophe» of the Campana collection of the Louvre French museum. We show then that it also makes it possible to detect delaminations or galleries of worms in marquetries. We show in a third stage that it provides for the detection of detachment of greyness in stained glasses. We show in a fourth stage that it allows the visualization of shards or metal insert located in a Greek "panathénaïque" amphora of the French National museum of the Ceramics of Sevres. We show finally, that the method permits the detection of a crack located in an ovoid vase of the same National museum of the Ceramics of Sevres.

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“…Por otro lado, se encuentran aplicaciones de la termografía para la inspección de instalaciones de calefacción, ventilación y aire acondicionado, así como instalaciones eléctricas y su correspondiente monitorización [66], y control de calidad e inspección en industria metalúrgicas [67], donde se analizan máquinas concretas [68].…”

Section: Termografíaunclassified

Diseño adaptado de técnicas de examen no destructivas para su implementación en sistemas robotizados en inspección de fachadas

Sánchez Gómez

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En primer lugar, debo agradecer a mis tutores José Luis y Begoña todo el esfuerzo que han realizado para que esta investigación salga adelante, así como todo el ánimo recibido por su parte. En especial a Alapont por la oportunidad de realizar este trabajo tan complejo.Agradecer a todos los investigadores y profesores que me han ayudado a crecer profesionalmente. Por otro lado, ha sido imprescindible el apoyo de mi familia, mis padres y mis hermanas, que de una u otra manera siempre han estado cerca. También a mis amigos y compañeros de carrera, que han tenido que sufrir toda esta tesis junto a mí.Por último, gracias a tí, Ángela, sin ti ni siquiera hubiera empezado este camino.Gracias por tanto, por la risa y el llanto. Gracias por ser parte de mí.

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Detection of wear cracks by photothermal radiometry

Cited by 16 publications

References 0 publications

Non-destructive Testing by Infrared Thermography Under Random Excitation and ARMA Analysis

Non-destructive Testing by Infrared Thermography Under Random Excitation and ARMA Analysis

Non-destructive testing of works of art by stimulated infrared thermography

Diseño adaptado de técnicas de examen no destructivas para su implementación en sistemas robotizados en inspección de fachadas

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