Study of mechanical behavior by fatigue of a cracked plate repaired by different composite patches

Autor: Moulgada Abdelmadjid, Ait kaci Djafar, Sahli Abderrahmane, Zagane Mohammed El Sallah, Zahi Rachid

Publikováno v: Frattura ed Integrità Strutturale, Vol 15, Iss 56, Pp 195-202 (2021)

This research is based on the study of the fatigue behavior of an aluminum alloy plate with a central crack. The plate is subjected to a tensile loading on its lower and upper parts. Several parameters were highlighted, such as the loading effect wit

Externí odkaz: https://doaj.org/article/27abd11c141c4d8ea4da3d87c77aded6

Numerical simulation of a crack emanating from a micro-cavity in the orthopedic cement by technical sub modeling of total hip prosthesis

Autor: Zahi Rachid, Ait Kaci Djafar, Sahli Abderahmane, Moulgada Abdelmadjid

Publikováno v: Frattura ed Integrità Strutturale, Vol 13, Iss 49, Pp 586-598 (2019)

In orthopedic surgery and particularly in the total hip arthroplasty (THP), the stem fixation is performed in general using surgical cement which consists essentially of poly (methyl methacrylate) (PMMA). Fracture of cement and prosthesis loosening a

Externí odkaz: https://doaj.org/article/64111bb91f5f4c9292cc05375be07bc6

Numerical simulation of a crack emanating from a micro-cavity in the orthopedic cement by technical sub modeling of total hip prosthesis

Autor: Sahli Abderahmane, Ait Kaci Djafar, Zahi Rachid, Moulgada Abdelmadjid, Benbarek Smail

Publikováno v: Frattura ed Integrità Strutturale, Vol 13, Iss 49 (2019)

PMMA has important micro structural heterogeneities such as cavities, and its elastic behavior is greatly affected by the presence of defects that may imply its weakening and cause failure. In areas of high concentrations of stress and due to the pre

Externí odkaz: https://doaj.org/article/b726eddffc1b43959705a2e51f9c11df

Comparative study of the repair of cracked plates with two different composite patches

Autor: Sahli Abderahmane, Moulgada Abdelmadjid, Zahi Rachid, Zagane Mohammed El Sallah, Ait kaci Djafar

Publikováno v: Frattura ed Integrità Strutturale, Vol 14, Iss 53, Pp 187-201 (2020)
Frattura ed Integrità Strutturale; Vol. 14 No. 53 (2020): July 2020; 187-201
Frattura ed Integrità Strutturale; V. 14 N. 53 (2020): July 2020; 187-201

The purpose of this study is to analyze the behavior of a crack with and without reinforcement by a composite patch of an aluminum plate in mode I using the finite element method. The repair patch is boron / epoxy and Carbon / epoxy, which are used w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::116a7179df54a56cc5572e73a7e58302
https://www.fracturae.com/index.php/fis/article/view/2768/2996