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Poulsen, et al.
Rashad, & El-Sabbagh, B.
El Hachem, et al., Durability of concrete exposed to leaching and external sulphate attacks.
El-Hachem, E.
Al-Amoudi.

Wang et al [9].
Huang et al [12] and G..
Bai et al[13] reclaimed the Al and Si in fly ash with alkali method; and H.C.
Resources and Conservation, 1982,9:301-309 [3] M.A.Mohamed, M.E.Kassim, E.A.El-katatny.
Bazin, K.El-Ouassiti, V.

Mechanical properties investigation of single-walled carbon nanotube using finite element method Xingling Tang1,a, Abdelkhalak El-Hami1,b and Khalil El-Hami2,c 1 LMR, INSA de Rouen, Avenue de l’Université, 76800 Saint Etienne de Rouvray, France 2 Laboratory of Nanosciences and Modeling, University of Hassan 1st, Faculté Polydisciplinaire de Khouribga, BP.145, Khouribga, Morocco aEmail xingling.tang@insa-rouen.fr bEmail elhami@insa-rouen.fr cEmail elhami_k@yahoo.com Corresponding author.
El-Hami) Email abdelkhalak.elhami@insa-rouen.fr Tel: +33 065 148 3237.Fax：02 32 959710 Keywords: Carbon nanotube; Finite element method (FEM); Interatomic interaction; Elastic moduli Abstract: This paper presents a three dimensional finite element model for armchair, zigzag and chiral single-walled carbon nanotubes (SWCNTs).
[21] A.L.

The Al-4wt%Cu-2.5vol.
%SiC; b) and b1)Al-4wt%Cu-7.5vol.
The Al-4wt%Cu-2.5 vol.
The fracture strength of the Al-4wt%Cu-SiC was increased from 225MPa for Al-4wt%Cu-2.5vol.
M.Sherif El-Eskandarani.

Muneharu et al. [3] discussed vibration suppression of forced vibration by a wave-absorption control for a lump torsional system.
A nonlinear elastomeric damper or absorber was used to control the torsional vibrations of the crankshaft in internal combustion engines, when subjected to both external and parametric excitation torques by El-Bassiouny [4].
Ostman et al. [5] investigated an active vibration control of the crankshaft in the reciprocating engines by utilizing the measured angular speeds of the crankshaft system.
Gao et al. [6] investigated an active control of torsional vibration of large turbo-generator.
El-Bassiouny.

Masoud et al. [1], Pakakonstantinou et al. [2], Heffernan and Erki [3], Aidoo, et al. [4] indicated that fatigue behaviour of RC beams strengthened with FRP was mainly controlled by the stress level which was applied to the main reinforcements.
El-Tawil et al. [5] developed a model to describe the static and fatigue behaviour of RC beams strengthened with carbon FRP (CFRP) laminates.
Yao et al. [8] investigated the fatigue behaviour of RC beams strengthened with the carbon fibre laminate (CFL), which is a new kind of FRP invented by them, and an S-N curve was developed from the test results.
El-Tawil, C.

El Barawy, S.
El Tawil, and A.
Al-Sanabani, N.
Al-Qudami, J.
Al-Sanabani, and A.

Parvizian F. et al. created a material model for the dynamic evolution of the microstructure during hot forward extrusion of the aluminum alloy EN AW-6082.
Campana et al. [9] analyzed in a numerical and experimental method the joining of two pieces of aluminum foam located in a empty steel profile.
El-Razes and colleagues analyzed the effect of weld overlying with the friction stir welding method after multiple passes over the previous weld.
El-Rayes, E.A.
El-Danaf, The influence of multi-pass friction stir processing on the microstructural and mechanical properties of aluminum alloy 6082, Journal of materials processing technology 212 (2012) 1157–1168

Abd-El Hafez 4, d 1,3,4Faculty of Engineering, Minia University, Egypt 2El Minya High Institute For Engineering and Technology, Egypt 4Faculty of Engineering, El-Nahda University, Egypt ayasser_rifat@yahoo.com, bA.saudi@mhiet.edu.eg, cM.Eid@mu.edu.eg, dLaila.shaddy@nub.edu.eg *Corresponding Author: (Ahmad Saudi A.
Tao et al. [24] experimentally tested CFHST columns under a centric static load.
[5] AL-Eliwi, B.
J.M., Ekmekyapar, T., AL-Samaraie, M.
[22] de Oliveira, Walter Luiz Andrade, Silvana De Nardin, Ana Lúcia H. de Cresce El, and Mounir Khalil El Debs.

The content of Ti, Al and Fe compounds in bauxite is very important.
roasting process of red mud with alkali carbonate in air at >1050 0C, then filtration, precipitation of Al(OH)3 and calcination 2002 Tathavadkar et al.
References [1] E.L.
[2] E.L.
[3] E.L.