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Al-Si alloys with high strength usually have Mg content of 0.40 to 0.70%.
Al10Si + Mg alloys variation Mg (0 wt%) heat treatment has the highest ductility of 2.81% EL.
The standard study of the tenacity of the chassis component is 8% EL.
Al10Si + Mg alloy Mg variation (3 wt%) heat treatment has the highest ductility of 3.75% EL.
An Analysis of Mechanical Properties of the Developed Al/SiC-MMC’s.

[12] Gacem Y, Taleb S, Ramdani A, et al.
[22] El-Saie M H.
[28] Abu-Arabi M, Zurigat Y, Al-Hinai H, et al.
[29] Velmurugan V, Gopa lakrishnan M, Raghu R, el at.
[34] El-Sebaii A A, Aboul-Enein S, El-Bialy E.

Elleithy et al. [4,5] established the convergence and optimal convergence conditions for the Dirichlet-Neumann interface relaxation FEM-BEM coupling method.
Al-Gahtani, M.
El-Gebeily, Iterative Coupling of BE and FE Methods in Elastostatics, Engineering Analysis with Boundary Elements, 25 (2001), pp. 685-695
El-Gebeily, W.M.
Al-Gahtani, Convergence of the Domain Decomposition Finite Element-Boundary Element Coupling Methods, Computer Methods in Applied Mechanics and Engineering, 191 (2002), pp. 4851-4867

Other researchers (Nataraj and McManis, 1997; Al Wahab and El-Kedrah, 1995; Puppala et al., 2006; Miller and Rifai, 2004; Ozkul et al., 2007; Kumar Tabor, 2003) also reported similar results.
In contrast, other researcher such as Ozkul et al, 2007 reported not significant changes on compaction parameter by fiber inclusion.
Reference [1] AlWahab, R.M. and Al Quirma, H.H. (1995) Fiber Reinforced Cohesive Soils for Application in Compacted Earth Structures, Proceedings of Geosynthetics ’95, IFAI, Vol. 2, Nashville, Tennessee, USA, March 1995, pp. 433-476
[2] Al Wahab, R.
M., and El-Kedrah, M.

El-Sebaii et al [2] studied the performance of a single slope still with Phase Change Materials (PCM) as a storage medium and the daily efficiency of 84.3 % was achieved by the PCM incorporated solar still.
Sakthivel et al [3] studied the regenerative solar still with jute cloth as an energy storing material.
Abdallah et al [4] used a suntracking device for rotating the solar still with the movement of the sun.
El-Sebaii, Al-Ghamdi, F.
S Al-Hazmi, S.

According to Pekarovic et al [3], silica is highly alkali soluble in nature.
According to Zhang et al [5] the phases of weight loss in samples occur due to the removal of specific components in the sample such as water, carbonates, aluminates, silica, oxides, organic carbon and other component.
Alam El-Deen, W.A, El-Helece, Characterization and evaluation of thermodynamic parameters for Egyptian heap fired rice straw ash (RSA), Int.

El-Zomrawy, and M.A.
Abd El Haleem, S.
Abd El Wanees, E.E.
Abd El Aal, and A.
Al-Qudah: Corros.

RE intermetallic indicates Al-Cu phase interrupted the quality of Al-Si-Cu casting alloy.
Table 1: Chemical Composition of Al-S-Cu Alloy.
From EDS result, the Ce and La rich intermetallic phases are likely to be quaternary Al-Si-Cu-Ce Fig.3(a) and Al-Si-Cu-La Fig.3(b).
Kaufman, E.L.
Al-Ahmari, F.

Dinnebier, et al, Science 296 , 109-111 (2002) [12] E.
[15] D.W.Boukhvalov, P.F.Karimov and E.Z.Kurmaev at el, Phys.Rev.B 69, 115425-9 (2004)
Shih et al, Science 288, 494-497 (2000)
[18] J.Park. et al, Nature 417, 722-725 (2002)
Landauer et al, Phys.Rev.

Several investigators, including Duowen and Hargrove (2006), Chandra and Khaled (2005), Mauricio (1998), Rodrigues (1998), Hashem et.al (2000), Ahmed (2004), Hassona et.al (2005) and Love et.al (1987) investigated the performance of reinforced soil system using numerical analysis based on finite element analysis method.
Dept., Faculty of Engineering, El-Mina University, El-Minia, Egypt
El-Hoseiny. (2005).
Bulletin of the Faculty of Engineering, Faculty of Al-Azhar Engineering, Cairo, Egypt, 119 (1)