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The Cold Rolling Effect on the Precipitation Sequence and Microstructural Changes of an Al-Mg-Si Alloy Hichem FARH1,2,a,*, Toufik ZIAR1,2,b, Hanna BELGHIT1,2,c, Mourad KHECHBA1,d, Abdelouahab NOUA2,e, Fares SERRADJ3,f 1Department of Material Sciences, Faculty of Exact Sciences, University of Tebessa 12002, Algeria 2Laboratoire des Composants actif et Matériaux, Oum el Bouaghi, Algeria. 3Department of Material Sciences, Faculty of Exact Sciences, University of Guelma.
This operation can influence on the mechanical and microstructural properties of the deformed materials The Al-Mg-Si aluminum alloys are largely used in automotive industry and in the applications in aerospace due to excellent corrosion resistance, high strength and good formability, [1-3].
Gavgali, The effect of homogenisation treatment on cold deformations of AA 2014 and AA 6063 alloys, Journal of Materials Processing Technology, 147(1) (2004) 60-64
Leo, Influence of severe plastic deformation on aging of Al–Mg–Si alloys, Materials Science and Engineering A, 410–411 (2005) 226–229 [25] H.
Kaneko, Effects of scandium and zirconium addition on recrystallization behavior of AlMgSi alloy, Materials Transactions, 59 (4) (2018) 590-597

Experiment Experiment Materials and Equipments.
Granular material can be seen obviously, which is distribution of nano SiO2 in the composite materials.
Materials engineering. 2007.73-79.
Polymeric Materials Science & Engineering, 2008, 24(6) 62-64.In Chinese [3] Jian Wang, dengfei Wang, wei Du, J.
Brazilian Journal of Chemical Engineering.Braz.J.Chem.Eng, 2006, 23(2); 745-749

A feasible approach to improve the water or water vapour barrier properties is to combine hydrophobic lipid materials to form composite films in a form of emulsion coating or bilayer coating.
Water and Moisture Susceptibility of Chitosan and Paper-Based Materials: Structure–Property Relationships, Journal of Agricultural and Food Chemistry. 55(2007) 9479-9488
Biopolymer coatings on paper packaging materials, Comprehensive Reviews in Food Science and Food Safety. 9(2010) 82-91
Angeleno), Journal of Agricultural and Food Chemistry. 56(2008) 9502-9509
Whey Protein Emulsion Film Performance as Affected by Lipid Type and Amount, Journal of Food Science. 62(1997) 390-394

The method includes two steps: first, the mobile platform moves from non-operable region to operable region; second, the coordinating motion between mobile platform and machine arm in order to achieve the purpose of dredging and unloading materials.
(g) scooping materials.
(h) raising materials.
(i)-(k) uninstalling materials.
SIAM Journal on Control and Optimization, vol. 46, no. 1, pp. 288-307 (2007)

However, this animal feed would become a potential cause of animal or human health problems duo to its animal-origin materials, e.g. liver.
Materials and methods Inoculum and substrate.The methanogenic seed, used as inoculum to initiate the digestion reactions, was anaerobic sludge (AS) obtained from an anaerobic digestor in Jiangsu Clean Environmental Technology Co., Ltd.
Acknowledgements This work was financially supported by the National Science and Technology Support Program of China(2012BAC18B01-2), and Science and Technology Support of Jiangsu province, China (BE2012615).
Gildemeister: Journal of Aoac International, Vol.86(2003), p. 888 [18]Van Soest, P.J., J.B.
Lewis: Journal of dairy science, Vol.74(1991), p. 3583 [19]Li, L.H., et al.: Appl Biochem Biotechnol, Vol.166 (2012), p. 1183

On the second cutting stroke grains cuts into already processed material having roughness and forms a surface with a different topography.
The developed model is one of the main modules in complex imitating model of processes of grinding [9], and also was applied at research of opportunities of improvement of grinding speeds by assessing the machinability of materials [10].
Malkin, High speed grinding of silicon nitride with electroplated diamond wheels, part 2: wheel topography and grinding mechanisms, ASME Journal of Manufacturing Science and Engineering 122 (2000) 42-50
Sutherland, A three-dimensional model for the surface texture in surface grinding, Part 2: Grinding wheel surface texture model, Journal of Manufacturing Science and Engineering, Transactions of the ASME 123(4) 582-590
D`yakonov, Improvement of grinding speeds by assessing the machinability of materials, Russian Engineering Research 32 (7-8) 604-607

Considerable investigations conducted on the rock specimens and rock-like materials containing single and multi-cracks have been performed [1-8].
Uniaxial compression tests conducted on similar materials containing double prefabricated fissures have been performed to investigate the initiation, propagation and transfixion of the cracks by Hoek Evert [1], A.
International Journal of Rock Mechanics & Mining Sciences. 2009, 46(2): 819-829
International Journal of Rock Mechanics and Mining Sciences. 1998, 35(2): 147-164
Chinese Journal of Rock Mechanics and Engineering. 2009, 12: 5

The stiffness coefficients of the material are: , , , , , , , .
Material properties are chosen to be ν = 0.3, E = 69627MPa, ρ = 2.7 ×10-6 kg/mm3.
(In Chinese) [6] The Chinese Society of Theoretical and Applied Mechnics: Report on Advances in Mechanics 2006-2007, edited by China Association for Science and Technology, Science Press, Beijing (2007), p. 85 – 91
[10] Guanghui Qing, Jiajun Qiu and Na Ta: Journal of Vibration Engineering, Vol. 17(3) (2004), p. 11 – 17
K.: International Journal of Solids and Structures, Vol. 6(3) (1970), p. 1463 – 1481

Introduction The diesel part graph is as Fig 1,08F material, the sheet thickness t=3mm ,mass production.
Acknowledgements The national natural science foundation of china(30972399) ; "Eleventh Five-Year" plan supported by key project of National Science and Technology (2009BADB1B0304-5)；Scientific research financial project aided by education department of Hunan Province（09C1017）.
Journal of Engineering Design,2008,15（1）:77-78.
Die design method for sheet spring back, International Journal of Mechanical Sciences,2004,46(7):1097-1113
Materials & Design, 2008,28(4):1311-1320

Journal of Manufacturing Science and Engineering, 2004, 126(1): 74-82
Journal of Engineering Materials and Technology, 1980, 102(3): 249-256
European Journal of Mechanics-A/Solids, 2008, 27(1): 1-17
Journal of Materials Processing Technology, 2013, 213(4): 598-605
Advanced Materials Research, 2013, 815: 758-764.