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[12] El-Rehim, S.
S., Al-Sarawy, A.
A., & El-Katori, E.
[20] El-Etre, A.
S., Al-Sarawy, A.

The underlying examination of considering porosity was done by El-Shehawey et al. [9].
Later, the effect of porous boundaries on the peristaltic flow of viscous incompressible fluid was carried out by El-Shehawey and Husseny [10], and they obtained the series solutions for mean axial velocity.
Later, Nadeem and Akram [11] reinvestigated the work done by El-Shehawey and Husseny [10] by taking linear Maxwell model and discussed the effects of various physiological parameters on mean velocity.
Further, the outcomes of the model are in accordance with the results of Manjunatha et al. [33].
Furthermore, from the present model, one can infer the results of a Shapiro et al. [2] for a Newtonian fluid without .

Pruett el al. [11] found that flexural fatigue failure occurs when instruments rotation continues in the root canal cavity with large number of tension and compression strain cycles in larger curvature canal.
Plotino el al.[14] compared the efficiency of the continuous motion files and reciprocating files.
Pruett el al. [17] found that cyclic fatigue occurs primarily because of curved cavity and small radius of curvature and instruments gets subjected to tension-compression cycles at point of sharp curvature.
Damir et al. [24] CFD The shape of root canal for canine obtained by CT is valid for CFD study.
Daniele et al. [27] µ-CT Root canal obturation techniques showed similarity in pattern of void formation Diogo et al.[28] FEA (static) The study investigated cyclic fatigue behaviour of two rotary files made from different alloys.

Luo et al [1] investigated the effects of various burnishing parameters on surface roughness of burnished Al alloy, optimum options were found to get the best roughness condition.
El-Axir [2].
Luo et al: Int J Adv Manuf.
El-Axir: Int.
El-Axir et al: Journal of Materials Processing Technology Vol. 132 (2003), p. 82–8 [11] A.W.

Introduction In Cu-Al alloys, stacking fault energy (SFE) is low and further decreases with Al content.
Cu-15at% Al sheets were processed by multi-pass cold rolling.
Chemical composition of the sheet is Cu-14.64at%Al as shown　in Table 1.　
C.S Hong et al [11] found that shear band in Cu-Al alloy initiate in twin / matrix lamellar structure and it increases with increasing shear strain.
El-Danaf, S.

The present of this phase improved wettability of Al2O3 when this ceramic is combined with Al.
The microstructure of Al alloy (as-cast) as a matrix consist of interdendritic α-Al and Si eutectic phases in the form of needle like and chinese script of intermetalic of Mg2Si.
Optical Micrograph of Al-alloy showing interdendritic connected in Al matrix.
[7] Chang, Shou-Yi., et.al. (1999).
[9] Anne Z, Widyastuti and Mochamad Z, Effect of Mg on Formation of Electroless Plating on the Surface of SiC Particles Reinforced Composites, Journal of Materials Science and Engineering Volume 4, Number 12, Desember 2010 Serial Number 37, ISSN 1934-8959, pp. 12-17 [10] Daoud,A., El-Khair, M.T.

Mejuto, et al.
Vivod, et al.
Ruffin, et al.
El-Tahlawy, M.A.
El-Rafie.

Demelio et al. [5] reported their experimental results for the fatigue behavior of the composite sandwich structures fastened with steel plates using blind fasteners.
Jen et al. [7] presented a method of using local parameter to evaluate bending fatigue strength of aluminum honeycomb sandwich beams.
El Mahi [3] used stiffness degradation method to develop the life and damage prediction models for sandwich composite materials.
[3] El Mahi A, Khawar Farooq M, Sahraoui S, et al: Mater.
Azari, et al: Compos.

El-Sayed, M.
Badawia Faculty of Science, Physics Department, El-Minia University, Egypt aemadbadawi@yahoo.com Keywords: 2024 Alloy, Activation Energy, Heat Treatment, Plastic Deformation, Quenching, Resistivity Abstract The objective of this research was to investigate the use of a sensor system to monitor continuously the defect formation response of heat-treatable aluminum alloys.
The protecting Al plating was removed by etching experimental. 2.1 Annealing process The annealing was carried out in an air circulating furnace at 4500 C for 4 h.
Aly, Investigation of Defects in Al-si10 Alloy Using Electrical Measurements, Australian Journal of Basic and Applied Sciences, 5(7) (2011) 27-31, ISSN 1991-8178
Jensen, Mechanical properties and microstructures of Al-Mg-Sc alloys, 21(1), 421-430, DOI: 10.1007/BF02782422 [6] I.K.Mackenzie, P.C.Lichtenberger: Applied Physics, 9 (1979) 331

An increasing Al substitution level leads to decreasing cell parameters, due to a smaller ionic radius of Al3+ cations (e.g. r(Al3+ ) = 0.53 Å; r(Fe3+) = 0.63 Å in four-fold coordination) [34].
Increasing Al content leads to decreasing saturation magnetization.
Celinski, Physical properties of Al doped Ba hexagonal ferrite thin films, J.
El-Sayed, T.M.
El Shersaby, Magnetic behavior and dielectric properties of aluminum substituted M-type barium hexaferrite, Phys.