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Development of Ferrite–Bainite Dual Phase (FBDP) high strength steel for automotive industries Taher El-Bitar*1a, Eman El-Shenawy2b and Maha El-meligy3c 1,2,3Plastic Deformation Department, Central Metallurgical R&D Institute (CMRDI), Egypt aelbitart@yahoo.com, bdr.emanelshenawy@yahoo.com, cdr.mahaelmeligy@gmail.com Keywords: Ferrite, Bainite, Dual Phase, FBDP, high strength steel, automotive industries Abstract The proposed Ferrite- Bainite Dual Phase (FBDP) steel is suitable for automotive industries.
Hasegawa et al. [5] and CAI et al. [2] reported that the stretch-flangeability of dual-phase steels was affected by the micro-crack propagation due to difference in strength between soft and hard phases.
Qu et al., [6].
Cho et al.[7] studied the effects of cooling conditions of Nb-bearing hot-rolled FBDP steels.
[12]- BORATTO, F. et al., Effect of Chemical Composition on Critical Temperatures of Microalloyed Steels, THERMEC ‘88.

El-Hadad, Y.
Microstructure and Wear Behavior of Solidification Sonoprocessed B390 Hypereutectic Al-Si Alloy.
El-Hadad, Y.
El-Hadad, Effect of Soaking Treatment on Microstructure and Wear Behavior of Ultrasonic Melt-Treated B390 Hypereutectic Al-Si Alloy, Light Metals (2016) 821-825
Tsunekawa, Production of Grain-Refined Billets of the AC7A Al-Mg Alloy via Solidification in Ultrasonic Field, Trans.

Table 1 Chemical composition [mass%] Al Zn Mn Mg AZ31 2.80 0.92 0.35 AZ91 8.63 0.90 0.35 AZ31B 2.83 0.94 0.32 Bal.
UTS, YS and EL of the rolled AZ31 sheet were 280MPa, 230MPa and 21%, respectively, and higher than the commercial AZ31B sheet in both the rolling and transverse direction.
UTS and YS of the rolled AZ91 sheet were 50% higher than the standard die cast AZ91D and the EL of the rolled AZ91 sheet was more than 13%, and that was almost 150% higher than the standard die cast AZ91D.
Regarding the workability of AZ91 alloy, it was reported that Al-Mn intermetalic compounds in AZ91 worsened the formability and mechanical properties[7] and Mohri et al.
[7] D.Regener, G.Dietze and H.Heyse:�Materialwiss Werkstofftech, Vol.35, No.2 (2004), p.73 [8] T.Mohri et al.: Mater.

In 1980s, Mckevitt et al. study the hysteretic energy spectrum for multi-storey structures [4].
Figure 4 shows time-histories of the earthquake input energy for the El Centro and Northridge accelerograms scaled to PGA=70gal, 140gal, 200gal, 400gal and 620gal.
Figure 5 shows time-histories of the structural hysteretic energy for the El Centro and Northridge accelerograms scaled to PGA=70gal, 140gal, 200gal, 400gal and 620gal.
El Centro is earlier than Northridge with different PGA.
For PGA=400gal (Northridge) and PGA=620gal (El Centro), the percentage of storey 1 exceeds storey 2.

Current vs applied voltage and EL spectrum of C60-OLEDs with different thickness of HTL.
Current vs applied voltage and EL spectrum of OLEDs with different thickness of HTL.
EL spectrum of C60-OLEDs with different thickness of EML.
The current vs applied voltage, EL characteristics have been plotted.
Yin, Highly efficient tandem OLED based on C60/rubrene: MoO3 as charge generation layer and LiF/Al as electron injection layer, Appl.

[3] El-Moneim, A.
[5] El-Moneim, A.
[6] El-Moneim, A.
[10] El-Moneim, A.
B. ; Koichi, N. ; Fath El-Bab, A.; Osamu, T. ; El-Moneim, A.

Box 11-8281, Riad El Solh 1107 2260 Beirut, Lebanon 3Laboratoire des Multimatériaux et Interfaces, UMR-CNRS 5615, Université Claude Bernard Lyon1, 43 Bd du 11 nov. 1918, 69622 Villeurbanne, France aghass@bau.edu.lb, bmsoueidan@cnrs.edu.lb, cgabriel.ferro@univ-lyon.fr, dzahraman@cnrs.edu.lb, ebnsouli@cnrs.edu.lb, Keywords: PIXE, LE-PIXE, Ion beam, thin film, Al doping, SiC Abstract.
The thickness of the Al-doped SiC layer was measured to be ~1µm.
The LOD of Al in this case is equal to 6x1018 at/cm3.
Beside Al and Si signal, other elements were also detected such as Na, S, Cl, K and Ca.
El-Ashry, M.

Fig. 6: Trebuchet of Mardi Ibn Ali al-Tarsusi. [12].
El arte medieval: Una mirada desde el siglo XI.
El trabuco de Cortés.
El trabuco de Cortés.
El arte medieval: Una mirada desde el siglo XI.

Application of Principal Component Analysis (PCA) for the Choice of Parameters of a Micromechanical Model Aissa Kerkour-El Miad1*, Abdelhamid Kerkour-El Miad2, 1Faculty of Sciences 2ESTO, LDOM, Université Mohammed Premier, Oujda - Morocco *E.mail: mid.kerkour@gmail.com Keywords: PCA, grain shape , viscoplastic parameter g, Self-consistent model, Non-incremental interaction law, Elasto-inelastic.
Summarized in (Table 1), these model constants are chosen as in Dingli et al.[3].
Kerkour-El Miad, 2011’’ Modélisation micromécanique du comportement cyclique des polycristaux sous chargement multiaxiaux à déformation et à contrainte imposées avec l’effet de la forme du grain’’ Thèse de doctorat, Université Pierre et Marie
El Kihel" Grain shape effect on the elastic-inelastic behavior of polycrystals under cyclic loading" 1st International Conference on Materials and Environmental Science- ICMES2016 December 1-3, Oujda, Morocco [6] A.Kerkour-El Miad,, M.
[7] A.Kerkour-El Miad, F.Jeffali, A.Nougaoui, K.Haboubi ’’Effect of the shape of the inclusion and the viscoplastic parameter on the evolution of isotropic and kinematic hardening of metallic materials under cyclic loadings TC’’1st International Conference on Civil Engineering and Materials (ICCEM'2017) 11-12 May 2017, Al Hoceima, Morocco

Beneficiation and Separation of Egyptian Tantalite Ore El-Sayed R.E.
[10] El-Sayed R.E.
[12] El-Sayed R.E.
Abd El-rahman, N.H.
El- Rabiei, S.R.