Search Results - "Chassignole, Bertrand"

Développement d’un procédé automatisé pour le contrôle ultrasonore d’un matériau anisotrope hétérogène by Fortineau, Julien, Mathieu, René, Foata, Michel, Chassignole, Bertrand

“…Le circuit primaire des centrales nucléaires françaises comporte un grand nombre de soudures entre composants. Elles subissent en service des contraintes…”
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Influence of the uncertainty of elastic constants on the modelling of ultrasound propagation through multi-pass austenitic welds. Impact on non-destructive testing by Gueudré, Cécile, Mailhé, Jean, Ploix, Marie-Aude, Corneloup, Gilles, Chassignole, Bertrand

“…Ultrasonic NDT is used on austenitic stainless steel welds in PWRs. Propagation modelling facilitates diagnostic concerning the detection of a possible defect…”
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Measurement of ultrasonic scattering attenuation in austenitic stainless steel welds: Realistic input data for NDT numerical modeling by Ploix, Marie-Aude, Guy, Philippe, Chassignole, Bertrand, Moysan, Joseph, Corneloup, Gilles, Guerjouma, Rachid El

“…•Scattering attenuation is tried to be evaluated with accuracy to enter it into FEM.•We examine the influence of the choice of material elastic…”
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Reduction of ultrasonic multiple scattering applied to flaw detection with array probes in polycrystalline materials by Shahjahan, Sharfine, Aubry, Alexandre, Rupin, Fabienne, Chassignole, Bertrand, Derode, Arnaud

“…Flaw detection using ultrasonic evaluation of coarse-grain steels is perturbed by a high structural noise due to scattering. This leads to a decrease of the…”
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Measurement of ultrasonic scattering attenuation in austenitic stainless steel welds by Ploix, Marie-Aude, Guy, Philippe, Chassignole, Bertrand, Moysan, Joseph, Corneloup, Gilles, El Guerjouma, Rachid

“…Multipass welds made of 316L stainless steel are specific welds of the primary circuit of pressurized water reactors in nuclear power plants. Because of their…”
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Modelling the attenuation in the ATHENA finite elements code for the ultrasonic testing of austenitic stainless steel welds by Chassignole, B., Duwig, V., Ploix, M.-A., Guy, P., El Guerjouma, R.

“…Multipass welds made in austenitic stainless steel, in the primary circuit of nuclear power plants with pressurized water reactors, are characterized by an…”
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Direct model optimisation for data inversion. Application to ultrasonic characterisation of heterogeneous welds by Gueudre, Cécile, Le Marrec, Loïc, Moysan, Joseph, Chassignole, Bertrand

“…Numerous multipass welds in austenitic stainless steel are made on the primary circuits of nuclear power stations. The heterogeneous anisotropic nature of…”
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Study of ultrasonic characterization and propagation in austenitic welds: The MOSAICS project by Chassignole, Bertrand, Recolin, Patrick, Leymarie, Nicolas, Gueudré, Cécile, Guy, Philippe, Elbaz, Deborah

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Influence of welding passes on grain orientation – The example of a multi-pass V-weld by Ye, Jing, Moysan, Joseph, Song, Sung-Jin, Kim, Hak-Joon, Chassignole, Bertrand, Gueudré, Cécile, Dupond, Olivier

“…The accurate modelling of grain orientations in a weld is important, when accurate ultrasonic test predictions of a welded assembly are needed. To achieve this…”
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Application of Modelling for Enhanced Ultrasonic Inspection of stainless steel welds by Chassignole, B., Dupond, O., Fouquet, T., Brun, A. Le, Moysan, J., Benoist, P.

“…The ultrasonic inspection of the primary coolant piping of Pressurized Water Reactors (PWR) is a major concern for the nuclear industry. Numerous studies have…”
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A random matrix approach to detect defects in a strongly scattering polycrystal: how the memory effect can help overcome multiple scattering by Shahjahan, Sharfine, Aubry, Alexandre, Rupin, Fabienne, Chassignole, Bertrand, Derode, Arnaud

“…We report on ultrasonic imaging in a random heterogeneous medium. The goal is to detect flaws embedded deeply into a polycrystalline material. A 64-element…”
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