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References [1] El-Kamash A.M., El-Naggar M.R., El-Dessouky M.I.: J.
[4] Barron L., Toole M.Ó., Diamond D., et al: J.
[6] Wang J., Yang W., Ren J., et al: Chin.
[7] Gasser M.S., El-Hefny N.E., Daoud J.A.: J.
[10] Papp S, KorÊ L, Meynen V, et al: J.

Alberts et al. [21] reported a 66.8% degrading of AFB1 during 72 h incubation with R. erythropolis.
Lewis et al.: Environ.
El-Nezami, P.
El-Nezami, C, Haskard, J.
Food Microbiol., Vol. 109 (2006) No.1-2, p. 121 [22] El Khoury, A.

In recent years, research has been devoted by El-Salakawy [3] and Teng, Cheong & Kuang [4].
Borges et al. [5] tested 13 reinforced concrete (RC) flat slabs, each with a thickness of 200 mm and EL-Shafiey [6] tested 7 slab specimens, each with a thickness of 150 mm, along with one reference slab, six slabs with square openings of different dimensions located at the vicinity of the column.
Oliveira et al. [7] tested 7 slab specimens with openings and asymmetrical loading.
Ha et al. [8] and Liberati et al. [9] investigated the effect of small circular openings in the vicinity of the column.
El-Salakawy, M.

El Batal, N.
El Batal, A.A.
El-Alaily, F.
El-Konsol, M.A.
El-Konsol, M.A.

Abdullah et al., “A Review on The Exploration of Nanomaterials Application in Pavement Engineering,” J.
El-Shafie, I.
Abd El Rahman, “The addition effects of macro and nano clay on the performance of asphalt binder,” Egypt.
Al-Abdul Wahhab, “Comparative laboratory evaluation of waste cooking oil rejuvenated asphalt concrete mixtures for high contents of reclaimed asphalt pavement,” Int.
Al-Abdul Wahhab, “Evaluation of Waste Engine Oil-Rejuvenated Asphalt Concrete Mixtures with High RAP Content,” Adv.

The average grain sizes of Al-0.3Fe and Al-0.7Fe alloys are 86 and 71 µm respectively.
AlmFe (b) (a) AlmFe Fig. 1 As-cast microstructure of the Al-Fe conductor alloys: (a) Al-0.3Fe; (b) Al-0.7Fe. 2.
The average subgrain sizes of the Al-0.3Fe and Al-0.7Fe alloys were 2.2 and 2.0 µm respectively.
In general, the extrusion rods exhibited low tensile strength but high elongation (96 and 123 MPa UTS, and 32 and 30% El for Al-0.3Fe and Al-0.7Fe respectively).
When compared to the extrusion rods, the UTS of the rolling rods increased to 131 and 136 MPa for Al-0.3Fe and Al-0.7Fe respectively, while the El deceased to 19 and 17% for Al-0.3Fe and Al-0.7Fe respectively.

The studies by Sastry et al. [8] and Sankaran et al. [9] in Al-Li-Co, Al-Li-Zr, and Al-Li-Ti alloys fabricated by rapid solidification process have demonstrated that it is possible to refine grain by RSP and to improve the ductility by dispersoids such as Al3Ti and Co2Al.
Experimental Procedure The different alloy compositions used in this study were prepared using high purity Al (99.99%), Li (99.99%), Cu (99.9%), Mg (99.9%), Ag (99.9%), Al-5%Zr and Al-5%Mn master alloys.
The hardness decrease for early aging, that is, the quench hardening, observed at 150 or 180 oC has been scarcely observed in general high strength Al alloys but has previously been reported by Pickens et. al. in high-Cu Al alloys [1].
Fig. 5 SEM fractographs of tensile fractured, (a) 0Mn alloy aged for 24 hours and (b) 0.6Mn alloy aged for 12 hours at 180 oC. 0 20 40 60 80 100 200 300 400 500 600 5 10 15 20 25 30 0% Mn TS 0% Mn YS 0.6% Mn TS 0.6% Mn YS Strength (MPa) Aging Time (hrs) 0% Mn El 0.6% Mn El Elongation (%) Fig. 6 Strength and elongation of 0Mn and 0.6Mn alloys aged at 180 oC with aging time. 0 3 6 9 12 15 450 500 550 600 650 � this study commercial alloys 1.2Mn 2090-T851 0.3Mn 7075-T651 0.6Mn 0Mn 8090-T851 Tensile Strength (MPa) Elongation at Fracture (%) 2024-T851 2020-T651 Fig. 7 Strength versus elongation at fracture for present alloys and other commercial Al alloys The strength and elongation of the present alloys and other commercial alloys are plotted in Fig. 7.
Al-Li Conf., ed.

Azzaz2,e 1Laboratoire des Sciences Aéronautiques, Université de Blida 1, Algérie 2Laboratoire de Science et Génie des Matériaux, USTHB, Bab-Ezzouar, Algérie 3Laboratoire Radar, EMP Bordj El Bahri, Algérie 4Laboratoire Télécommunications, EMP Bordj El Bahri, Algérie.
The process was carried out by loading a mixture of elemental Fe (99.9% of purity, less than 50 µm of particle size), Al (99.5% of purity, less than 15 µm of particle size), V (99.7% of purity, less than 45 µm of particle size) and 16 hardened steel balls in stainless steel containers of the RETSCH PM400 mill.
Results and Discussion Morphology Characterization In Fig.1 are represented the typical SEM micrographs of the initial Fe-Al-V powder mixture before milling process.
We can observe the formation of relatively large and loose agglomerates, which may be attributed to the crystal structure of Fe, Al and V.

The microstructure of quasicrystalline AlCuFe alloys doped with tungsten Wojciech Gurdziel a Jacek Krawczyk b, Włodzimierz Bogdanowicz c University of Silesia, Institute of Materials Science, Bankowa Str. 12, 40-007 Katowice, Poland a wojciech.gurdziel@us.edu.pl, b jacek.krawczyk@us.edu.pl, c wlodzimierz.bogdanowicz@us.edu.pl Keywords: AlCuFe alloy, quasicrystals, SEM, tungsten filaments, nanofilaments Abstract.
To improve the mechanical properties of AlCuFe alloys, the different dopes are applied.
Doping of Al-Fe alloys with tungsten causes significant increase in yield strength and creep resistance at elevated temperatures of 600°C [7].
The aim of this study was to obtain multiphase Al-Cu-Fe alloy doped with tungsten and to investigate its microstructure.
El Kabir: J.

El-Kemary, H.
El-Shamy, I.
El-Mehasseb, Photocatalytic degradation of ciprofloxacin drug in water using ZnO nanoparticles, J.
El-Kemary, E.
EL-Rafei, M.