Výsledky vyhledávání - "A. EL Bouari"

Akademický článek

Effect of the Na2O–Nb2O5–P2O5 glass additive on the structure, dielectric and energy storage performances of sodium niobate ceramics

Autor: S. Benyounoussy, L. Bih, F. Muñoz, F. Rubio-Marcos, A. EL Bouari

Publikováno v: Heliyon, Vol 7, Iss 5, Pp e07113- (2021)

A phosphate glass Na2O–Nb2O5–P2O5 (NPP) is incorporated into NaNbO3 (NN) ceramics to examine its impact on the density, rearrangement of structural units, dielectric and energy storage features of the elaborated composites. The sodium niobate cer

Externí odkaz: https://doaj.org/article/e39f7f8da54542c788809bec961e3bfb

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Akademický článek

Mechanical and thermal conductivity properties of hemp fiber reinforced polyurethane composites

Autor: S. Sair, A. Oushabi, A. Kammouni, O. Tanane, Y. Abboud, A. El Bouari

Publikováno v: Case Studies in Construction Materials, Vol 8, Iss , Pp 203-212 (2018)

The aim of the present work is to introduce natural hemp fiber as reinforcement in the preparation of partially biodegradable green composites. Composite of rigid polyurethane (PU) and hemp fiber (H.F) were prepared at different loading rates i

Externí odkaz: https://doaj.org/article/b17f853cbc6b44cf8800dadb881edff8

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Akademický článek

An experimental investigation on morphological, mechanical and thermal properties of date palm particles reinforced polyurethane composites as new ecological insulating materials in building

Autor: A. Oushabi, S. Sair, Y. Abboud, O. Tanane, A. El Bouari

Publikováno v: Case Studies in Construction Materials, Vol 7, Iss C, Pp 128-137 (2017)

The rigid polyurethane (PU) with apparent density about 40 kg/m3 was prepared using commercial polyols and polyisocyanate. This reference petrochemical formulation was modified with natural and renewable components such as date palm particles (DPP).

Externí odkaz: https://doaj.org/article/eb3bade11fa749f58b774834fc4b69c1

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Akademický článek

Effect of surface modification on morphological, mechanical and thermal conductivity of hemp fiber: Characterization of the interface of hemp –Polyurethane composite

Autor: S. Sair, A. Oushabi, A. Kammouni, O. Tanane, Y. Abboud, F. Oudrhiri Hassani, A. Laachachi, A. El Bouari

Publikováno v: Case Studies in Thermal Engineering, Vol 10, Iss C, Pp 550-559 (2017)

The study focuses on the effect of alkaline and silane treatment of hemp fibers on mechanical and thermal conductivity. Hemp fibers were treated with sodium hydroxide solutions at different concentration, and then analysed by infrared Fourier transfo

Externí odkaz: https://doaj.org/article/a35ec2ab6c1644d785ace915860d7df4

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