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Grain refinement and modification of the melt were carried out using Al-5% Ti-1% B and Al-10% Sr master alloys, respectively.
Condition UTS YS %El AC 235 154 1.63 SHT 305 161 6.36 Figures 2 and 3 show the tensile properties for the various aging times and temperatures applied during the heat treatments.
Seifeddine, The heat treatment of Al-Si-Cu-Mg casting alloys, Materials Processing Technology, 210(2010) 1249-4259
Campbell, Effect of ageing on quality index of an Al-Cu casting alloys, Journal of Materials Science and Technology, 15(1999) 711-716
Ciach, Effect of precipitates in Al-Si-Cu-Mg alloys, Materials Science and Engineering A, 234(1997) 165-168.

ˇSír, et al[8]used a mobile membrane unit (LABM30) equipped with a spiral wound element (FILMTEC SW30-4040), with a membrane area equaling 7.4m2 was used for the pilot plant experiments.
Wu, et al.[12] followed ozonation or AOPs, the predominant distribution of COD would be obviously shifted to the MWCO less than 1000g mol-1(72–85%) over the other MWCO ranges.
Sebastià Puig, et al.[16] investigated the feasibility of using microbial fuel cells (MFCs) in landfill leachate treatment, over a period of 155 days to treat urban landfill leachate.
Mehmood, et al.[24] used aerated lagoons treating leachate ,found removal of COD averaged 75%, with retention times varying from 11 to 254 days.
El-Fadel, A.N.

[6]Ohba M, Usuki N, Fukita N et al.
,Ito T,et al.J.Chem.Soc.
,El R.E.
,et al.Angew Chem.Int.Ed.Engl.1996,35: 1947
Floriani, et al, Inorg.

Paul et al. has reported a composite of g-C3N4 and ZnO with improved reaction rate value [2].
Ikeue et al. [39] and J.
Cao et al. [30].
El Ghoul and L.
El Mir: Microelectron.

According to studies by Vojdani et al. [17] and Ellakwa et al. [18], flexural strength is reduced after the incorporation of high concentrations of fillers.
Vol. 29 (2012), p. e413-419 [5] Oei JD, Zhao WW, Chu L, et al: ‎J.
Vol. 100 (2012), p. 409-415 [6] Dhir G, Berzins DW, Dhuru VB, et al: J.
Vol. 7 (2012), p. 238-244 [18] Ellakwa AE, Morsy MA, El-Sheikh AM: J.
Vol. 27 (2011), p. 755-761 [20] Polat TN, Karacaer O, Tezvergil A, et al: J.

Fu et al. [9] synthesized hematite nanowires arrays by heating pure Fe in a special oxidization atmosphere: a gas mixture of CO2 (19.30%, in volume), SO2 (0.14%), N2 (80.56%) and some H2O vapor.
Zheng et al. [13] fabricated iron oxide nanostructures by heating the metal foil on a hotplate in air, which contains 21% oxygen by volume.
El-Sayed: Acc.

. %] Al Si Fe Cu Mn Mg Zn Cr Ni Ti bal. 17.3 0.278 0.395 0.004 0.005 0.037 0.003 0.017 0.016 The scope of the research included the following steps: melting of AlSi17 alloy, its casting in suitable conditions, preparation of metallographic specimens, taking the microstructure photos and the analysis of the formed silicon crystals.
El Sebaie, A.M.
Piątkowski et al., Metalurgija 51, No. 3 (2012) 321-324

In: IEEE, 2012. 1~6 [7] Yang H, Yi D, Zhao J, et al. distributed optimal dispatch of virtual power plant based on elm transformation.
Management, 2014, 10(4): 1297~1318 [8] Peik-Herfeh M, Seifi H, Sheikh-El-Eslami M K.
Electrical Power and Energy Systems, 2013, 44(1): 88~98 [9] Sučić S, Dragičević T, Capuder T, et al.

The relationships of alloying elements Mn, Al, P with C content are shown in Fig. 1a, b, c, respectively.
To avoid generating cementite or graphite, Mn must be more than 0.38%, Al be less than 0.45% and P be less than 0.5%.
El.

Chemical compositions of Grade 91 steel C Mn P S Si Cu Ni Cr Mo Al Fe V N 0.116 0.35 0.01 0.001 0.224 0.11 0.15 8.87 0.92 0.21 Bal 0.18 0.05 Grade 91 steel has excellent thermal properties with low thermal expansion coefficient and high thermal conductivity while it has high design stress intensity as shown in Fig. 1[7].
( )** 2 * s th me th s el C C C C k J κ = + ⋅ ⋅ (5) ( ) *( ) d i mi i q t t c i i ta A C t t δ +   =  ∫ (6) where me sC is the C* integral for the mechanical loads, th elJ is the J-integral under the thermal loads and *( )iC t is the C* integral at time t.
References [1] D.H Hahn, et. al., KALIMER-600 Conceptual Design Report, KAERI/TR-3381, Korea Atomic Energy Research Institute, Daejeon (2007)