Zobrazeno 1 - 10
of 123
pro vyhledávání: '"Hossam El-Din M. Sallam"'
Autor:
S.M. Naga, M. Sayed, Khaled A. Omran, M.A.H. El-Meniawi, Hossam El-Din M. Sallam, O. Hanzel, A.M. Hassan
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 372-387 (2024)
The fabrication of ceramic composites with low thermal expansion and excellent mechanical properties is essential for thermal barrier coating (TBC) applications. For this purpose, using the sol-gel process, novel ceramic composites were developed by
Externí odkaz:
https://doaj.org/article/c45a1b05a9e2480c8bc906b6bef128f8
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract In this paper, an experimental study was conducted to examine the static and dynamic behaviors of rubberized fiber-reinforced concrete (RFRC). Crumb rubber was partially replaced from sand at volume fractions of 0%, 5%, 10%, 15%, and 20%. St
Externí odkaz:
https://doaj.org/article/933918c3a71640b4b1c6012409f2ff37
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 17, Iss 1, Pp 1-24 (2023)
Abstract The main objective of the present work is to evaluate using alkaline wastewater from pot factories (recycled NaOH solutions with variant concentrations and pH values) along with waste powders possessing pozzolanic properties, such as supplem
Externí odkaz:
https://doaj.org/article/63adfe3956a4459380e079327ca08e18
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract Due to the rapid increase of pollution around the world, the disposal of waste materials such as granite powder (GP), iron powder (IP), brick powder (BP), and waste plastic particles (PP) is a major environmental problem in the entire world.
Externí odkaz:
https://doaj.org/article/1cad042663c44ca28b9419aacf97fba7
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 6395-6406 (2023)
The main objective of the present work was to numerically study the effect of loading conditions on the progressive damage of initial defects in steel pipelines. The adhesively-bonded composite sleeve repair technique was utilized to extend the lifet
Externí odkaz:
https://doaj.org/article/ef92ab2d4e3d476a89ddc5f44a8c9e52
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract The edge-cracked semi-circular bend (SCB) specimen subjected to three-point bending loading is used in many applications to measure the fracture behavior of quasi-brittle materials. The main objective of the present work was to study the eff
Externí odkaz:
https://doaj.org/article/506742533241405f9f26c6c75d32958c
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 491-502 (2023)
Resin-based composites used in dentistry often possess undesirable characteristics. This study investigated the effect of two different nano-additive materials, namely aluminum oxide (Al2O3) and titanium dioxide (TiO2), on the mechanical, wear, and w
Externí odkaz:
https://doaj.org/article/18efcb513b6e4d448400794bc6e86ad3
Publikováno v:
Frattura ed Integrità Strutturale, Vol 16, Iss 61, Pp 294-307 (2022)
Concrete containing wastes from the demolition of old deteriorated buildings are produced enormously. Concrete is a brittle matrix that is usually reinforced by ductile reinforcement such as steel bars. However, due to the susceptibility of steel to
Externí odkaz:
https://doaj.org/article/f2deafac05eb48c0b6dfd7948de3c1f8
Publikováno v:
Frattura ed Integrità Strutturale, Vol 16, Iss 59, Pp 549-565 (2022)
In the present work, thirteen reinforced concrete beams with openings at different locations were tested under four-point bending to investigate the efficiency of strengthening techniques of such openings. Different strengthening techniques around th
Externí odkaz:
https://doaj.org/article/e32cbe687c024dd3875966b6c33ad299
Autor:
Mahmoud A. Abdallah, Ahmed A. Elakhras, Ramy M. Reda, Hossam El-Din M. Sallam, Mohamed Moawad
Publikováno v:
Buildings, Vol 13, Iss 8, p 2010 (2023)
Unfortunately, most of the previous work studying the fracture toughness of fibrous composites has deliberately ignored bridging the fiber onto the pre-crack/notch surfaces by creating such a crack as a through-thickness crack (TTC). Furthermore, no
Externí odkaz:
https://doaj.org/article/b10364b6b32d4ad09e5495f41c035ad7