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Tanaka et al. [3] reported that during control rolling of niobium bearing HSLA steel, 50% deformation in the temperature range of 1050-11000C produces as fine as 20 µm grain size.
During tapping, low carbon Fe-Mn, Fe-Si and Al were added in the ladle to deoxidize the steel and achieve the chemistry.
Al addition was made at the end when the ladle was more than half filled.
After tapping, some Al chips were also added on top of the slag to deoxidize it.
Ghosh et al.: Materials Science and Engineering Vol.

In pseudo dynamic test, mass of the model structure was still inputted by 100 percent, and using EL-centro earthquake wave (N-S), it was inputted by maximum acceleration value of 50gal, 100gal, 200gal, 400gal and 800gal respectively until yielding of the model structure.
For comparative analysis of every kind of seismic response of the model structure, EL-centro earthquake wave (N-S) curve is given as Fig.8.
As input earthquake wave in various test sections was adjusted only according to maximum acceleration value, EL-centro earthquake wave (N-S) in Fig.8 is only source record, and form of actual input earthquake wave was the same as the one in Fig.8, only the amplitude to change.
[2] Shenggang Hu, Shaohua Wu and Tao Gong, et al: An investigation on mechanical and thermal engineering performance of the steel mesh rock wool sandwich plate.
[3] D.C.Salmon, A.Einea, M.K.Tadors et al.: Full scale testing of precast concrete sandwich panels.

Manufacturing and Characterization of Open-Cell Aluminum Foam Produced via Infiltration of Leachable Space Holder Ziad El Sayed1,a*, Mohamed Abd-Alrazzaq1,b, and Islam El-Galy2,1,c 1Production Engineering Dept., Faculty of Engineering, Alexandria University, Alexandria, Egypt 2Mechanical Engineering Dept., Jubail University College, Al-Jubail, Saudi Arabia Production Engineering Dept., Faculty of Engineering, Alexandria University, Egypt (On Leave) azelsayed@alexu.edu.eg, bmohabdalrazzaq@alexu.edu.eg, cgalyi@ucj.edu.sa, Keywords: Aluminum, Aluminum Foam, Open Cell, Infiltration Casting, Leachable Space Holder, Replication, Mechanical Characterization, Upsetting Test.
Open-cell Al-Si foam samples were produced using infiltration casting technique.
Later, Guler et al. produced open-cell aluminum foam using lost foam casting technique [6].
In 2007, Jiang et al. [16]extended this morphology study to include the space holders’ size.
In this paper, Al-Si open-cell foams are manufactured using infiltration casting technique.

The aim of the project was to calculate “run-off” effect of Al and Sn from cans into drink during short-term storage and compare it with WHO norm.
Fig. 2 Equivalent circuit for Al can in orange juice during short-term storage Tab. 2 Values of electrical elements for Al can in orange juice during short-term storage El. element Value Surface 1.25 cm2 C1 2.624 nF R1 404.12 Ohm R2 777.19 kOhm R3 8.6413 Mohm P1 98.456 nS n1 0.8307 Fig. 3 Equivalent circuit for Al can in orange juice during short-term storage Fig. 3 above shows that total impedance is temperature dependent.
An actual values of release of Al in the form of ions into drink during short-term storage was calculated from half-filled can with selected drink (energy drink in Fig.4).
Quantifying corrosion process in the form of detection of release of Al from can into energy drink after 24 hours it was observed that “run-off” effect reached app. 0.25 mg of Al per day.
Total impedance of Al at room temperature is about 12 times higher than at temperatures around 500C.

The model is parametrized with experimental results of different OATs and compared to the model proposed by Schirmaier et al. [1].
Membrane model by Schirmaier et al. [1].
The results for the membrane model by Schirmaier et al. [1] are also shown in the respective Figures 3, 4 and 5.
Fig. 4) show a good agreement of the new model with the results of Schirmaier el al.
The simulative strains in the 45°- OAT are closer to the experimental results compared to Schirmaier el al., but deviate slightly more from them for large displacements in the 30°-OAT for BC2.

The breakthrough curves generated were fitted with Adams-Bohart, Thomas, Yoon-Nelson, and Yan et al. models.
It can be seen from the plots that indeed the Yan et al. model fits well with the experimental data.
Calculated Yan et al. model parameters for each column runs.
El Messaoudi, M.
El Khomri, A.

Demirboǧa and al; reported that silica fume, class C fly ash, and blast furnace slag as supplementary cementitious materials increase the thermal insulation of cement compared to the ordinary Portland cement proportionally with the rate of replacement [5].
Hamadache and al; proved that using perlite from Hammam Boughrara Tlemcen in binary mixtures with cement or ternary mixtures with cement and Pozzolan decreases the thermal conductivity to cement [6].
Table 6: Technical characteristics of natural sand of Oued el Kheir.
Properties Bulk density Finesse modulus Sand equivalent prohibited impurities Absorption Coefficient Organic matter pH Natural sand 2.70 1.48 84.26 None 1.53 0.59 9.53 Crushed sand 2.73 3.70 89.79 None 4.12 0.69 9.95 Table 7: Chemical composition of natural sand of Oued el Kheir.
El meski, M.Lahlaouti, lhassane, R.Djedjig, & A.El bouardi, Effect of the use of diatomite as partial replacement of sand on thermal and mechanical properties of mortars.

Hayat et al. [17] analyzed the influence of slip and heat transfer on the peristaltic transport.
El-Shehawey, N.
El-Dabe, I.
El-Hakeem, A.
El-Naby, I.

INTRODUCTION In the past, Al-Ibrahim et al. described an authentication scheme for concast and anycast communication based on El-Gamal type digital signature [1-2].
Figure 3: Anycast Service. 3.1 Anycast authentication scheme In 2003, Al-Ibrahim and Cerny [2] proposed an authnetication scheme for anycast communication based on El-Gamal type digital signature.
The Al-Ibrahim et al.’s scheme consists of two phases: Initialization phase and Verification phase.
Al-Ibrahim, H.
Al-Ibrahim and A.

El-Axi and M.M.
El-Khabeery: Journal of Materials Processing Technology, (2003), p. 82-89 [3] D.P.
Zhu, et al: China Surface Engineering, (2007), p. 38-41 (in Chinese)