Numerical simulation of the transient ultrasonic wave reflection at a liquid-solid interface

Autor: Mohamed Ourak, Nadir Maghlaoui, Djema Belgroune, H. Djelouah

Publikováno v: Journal of Mechanical Science and Technology
Journal of Mechanical Science and Technology, 2015, 29 (1), pp.165-172. ⟨10.1007/s12206-014-1223-y⟩

International audience; In the nondestructive evaluation domain, the reflection of ultrasonic waves at liquid-solid interfaces generates interesting and useful phenomena when the incident angle approaches the longitudinal critical angle or Rayleigh a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec18f2c3d05732fbc5b83feb59e9a659
https://doi.org/10.1007/s12206-014-1223-y

Characterization of the Critically Refracted Longitudinal (LCR) Waves and Their Use in Defect Detection

Autor: Tarek Boutkedjirt, Wahiba Djerir, Mohamed Ourak

Publikováno v: Research in Nondestructive Evaluation. 25:203-217

The critically refracted longitudinal (LCR) waves are used in various domains of nondestructive evaluation, especially for residual stress measurements. However, few works have characterized the associated ultrasonic beam. In this article, the charac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f324340f499ecb9a7784f879c37ffe20
https://doi.org/10.1080/09349847.2014.890262

Characterization of micrometric and superficial residual stresses using high frequency surface acoustic waves generated by interdigital transducers

Autor: Mohamed Ourak, Jean-Etienne Lefebvre, Marc Duquennoy, Julien Deboucq, Frédéric Jenot, Mohammadi Ouaftouh

Publikováno v: Journal of the Acoustical Society of America
Journal of the Acoustical Society of America, Acoustical Society of America, 2013, 134, pp.4360-4371. ⟨10.1121/1.4826176⟩
Journal of the Acoustical Society of America, 2013, 134, pp.4360-4371. ⟨10.1121/1.4826176⟩

Controlling thin film deposition of materials and property gradients is a major challenge for the implementation of applications in microelectronics or glassmaking. It is essential to control the level of residual stress and thus important to have th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a4d0e83db71128f7bfe1d216812ee6e
https://doi.org/10.1121/1.4826176

Reflection at a liquid-solid interface of a transient ultrasonic field radiated by a linear phased array transducer

Autor: H. Djelouah, Nadir Maghlaoui, Mohamed Ourak, Djema Belgroune

Publikováno v: Ultrasonics
Ultrasonics, 2016, 71, pp.98-105. ⟨10.1016/j.ultras.2016.05.024⟩

International audience; In order to put in evidence the specular reflection and the non-specular reflection in the transient case, we have used a model for the study of the transient ultrasonic waves radiated by a linear phased array transducer in a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87afe66972598d22e27544948a66ec6f
https://pubmed.ncbi.nlm.nih.gov/27290651

The V ( z ) Inversion Technique for Evaluation of an Adhesively Bonded Structure

Autor: Jing Liu, Wen-Xiang Hu, André Dubois, W.J. Xu, Mohamed Ourak

Publikováno v: Chinese Physics Letters
Chinese Physics Letters, 2015, 32 (12), pp.124303. ⟨10.1088/0256-307X/32/12/124303⟩
Chinese Physics Letters, IOP Publishing, 2015, 32 (12), pp.124303. ⟨10.1088/0256-307X/32/12/124303⟩

IF=0.947; International audience; Based on the fact that the evolution trace in incident angle and frequency of the resonance zeros of the reflection coefficient function for a water charged layered medium is equivalent to its guided wave mode disper

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb5e10a0615b0b49932f4ca925a8dd4e
https://uphf.hal.science/hal-03451911