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A variety of valuable metals and minerals can be recoveried from metal tailings, and elements in the tailings resources can be used as raw materials of refractories, which are the important mineral raw materials in industry of construction, ceramics, and glass.
The technology of secondary carbon-thermal reduction (SCR) is used to transform metal tailings into silicon carbide composite materials.
For refractory products involved in this study, the innovation point is that composition and ratio of raw materials has been optimized.
The stress fields of the two materials at high temperature are simulated by ANSYS.
Microstructure and properties of ceramic materials, Beijing: Science Press, 1984: 254-261

Meanwhile the W-Cu alloy was also developed, which can be used as the materials for high temperature and transpiration of the nozzle throat insert [1-5].
Varied kinds of machining methods can be employed to process the WHA, such as milling, grinding, drilling, tapping and large plastic deformation method (including extrusion and rotary forging).With the development of national defense industry, especially the critical materials of the weapon warhead and armored defense materials, the properties of the WHA cannot satisfy the application requirements anymore.
The WHAs and depleted uranium (DU) alloys are currently main materials for kinetic energy penetrators owing to their high density and strength.
Zhao, T.S, Liu: Journal of Sichuan Ordnance.
Fan et al.: Journal of Central South University.

This assumption is used on brittle materials where the compressive strength resistance is much higher than the stretch resistance [7].
Future studies would need to establish allowable limit deformations depending on how the structure and materials used.
Becker Daugherty, Aspects of seismic hazards caused by the Mining, International Journal of Engineering and Innovative Technology. 4, issue 4 (2014) 33-36
Becker Daugherty, Aspect of seismic hazard caused by the mining and its sequelae, Engineering Solutions and Technologies in Manufacturing, Applied Mechanics and Materials. 657 (2014) 664-668
Ghosh, Particle cracking in discretely reinforced materials with the Voronoi cell finite element model, International Journal of Plasticity. 14, issue 8 (1998) 805-827.

What the manufacturing requires from the design phase are a bill of materials, routes of manufacturing processes, and manufacturing documentation.
CAD/PDM and ERP functionality and its expectations of data On the other hand, CAD/PDM is responsible for the design phase of the product and for the bill of materials.
In this connection uniform principles of formation of a product structure taking into account unification requirements are provided, and the data of uniform directories of preparations/materials are used.
Connector functionalities: - mapping CAD objects with materials identifiers (for purchased parts, materials, elements), - viewing attributes of materials such as name, price, unit of measure, etc., - preparation of the bill of materials (BOM) for the integrator, - preparation of links to CAD drawings for the integrator, - access to the data warehouse and MRP, - on-line access to costs.
Sena: The Paperless Factory: A Review of Issues and Technologies, IJCSNS International Journal of Computer Science and Network Security, 6, 12 (2006) 185-191

Radhakrishna: Material science Poland, Vol. 25 (2007), p. 57-68
Mohan: Journal of reinforced plastics and Composites, Vol.29-1 (2008), p.144-148
Prabhu: European Journal of Scientific Research Vol. 63-2 (2011), p. 204-218
Looney: Journal of Materials Processing Technology Vol.143–144 (2003), p. 567–571
Pai: Materials and Design Vol. 23(2002), p. 553-556

Development of Composite Film for Improving Gas Permeable Properties Suntaree Siraratprapa1,a , Chuanchom Aumnete1,b, Waranya Phompan1,c, Suebpong Kongniam 1,d, Jittiporn Kruenate1,e 1 National Metal and Materials Technology Center, 114 Thailand Science Park, Paholyothin Rd, Klong 1, Klong Luang, Pathumthani 12120 Thailand a suntares@mtec.or.th, bchauncha@mtec.or.th,cwaranyp@mtec.or.th, dsuebponk@mtec.or.th, e jittipk@mtec.or.th Keywords: gas permeable, permeability, composite film Abstract.
Permeability is a key property of polymer material using as pH indicator packaging.
Other factors that influence the permeability of a microcomposite can be affected by the existence of interfacial regions between the matrix and the inorganic particles Experimental Materials.
Hill, Science Vol 296 (2002), p. 519-522 [2] Q.T.Nguyen, Y.Germain, R.
Clarke, Journal of Membrane Science Vol 208 (2002), p. 269-283

Effects of Modification on Stress Field of the Inclusions in Large Rudder Arm Steel Casting Jingpei Xie 1,a, Yongrang Zhao 2, Aiqin Wang 1, Wenyan Wang 1, Jiwen Li 1, Dixin Yang 1, Kefeng Zhang 1 and Douqin Ma 1 1School of Material Science and Engineering, Henan University of Science and Technology, Henan, Luoyang, 471003, China. 2CITIC HEAVY INDUSTRIES CO.
Methods and materials By means of a reasonable smelting process (alkaline electric arc furnace primary melting →LF ladle refining →bottom blowing argon in ladle→ mold cavity blowing argon→ pouring) and heat treatment process (900˚C normalizing + 600˚C tempering), the addition of the lanthanide irons to the steel is 1Kg/t when the ladle refining.The outline dimensions of the large rudder arm are 8405×2029×5935mm, the material is KSC49 and the chemical constitution is showed in Tab.1.
Tab.1 Chemical constitution Material C Si Mn P S Residual elements（≤1 in totally） Cr Ni Mo Cu KSC49 0.20 0.50 0.90 0.023 0.008 0.08 0.46 0.06 0.27 Results and discussions Effects of modification on shape and distribution of inclusions .Currently, it is widely believed that only the content of oxygen and sulfur as the main mark of steel cleanliness is insufficient [6-8].
Matrix material is ZG20Mn, its physical parameters are as follows: elastic modulus E1=2×105MPa,poisson ratio=0.26,yield stress＝310MPa.
Science Press, Beijing 1983 In Chinese [7] Philippe R, Jean L, Henyi G,.Journal of Crystal Growth 198. 1 (1999),838-843 [8] Domizzi G, Anteri G, Ovejero G J.Corrosion Science 43.2(2001),325-332

Shot peening is a method widely used to improve the fatigue strength of materials, through the creation of a compressive residual stress field (CRSF) in their surface layers.
However, the increase in surface roughness due to shot peening is inversely proportional to material’s hardness.
Journal of Fatigue, vol .24 (2002), p. 877-886 [4] A.
Materials Science Forum 426 (2003), p. 3981-3988 [6] M.
Fatigue & Fracture of Engineering Materials & Structures. v.21, (1998), p.1513-1524

Numerical Simulation and Application of Pre-Stress Tubular Pile for the Foundation Pit Engineering Xiangqiu Wang1,a, Wentian Liu2,b, Zhiguo Zhou3,c Yuhong Zhang1,d 1 Dept. of Civil Engineering, Foshan University, Foshan, 528000, China 2Faculty of Civil Engineering of Guangdong University of technology, Guangzhou,510006, China 3 Institute of Building Science in Guangzhou, Guangzhou,510440, China atongji_wxq@163.com,bgoodliuwentian@163.com, ccsu_zzhg@163.com, dzyh@fosu.edu.cn Key words: pre-stress tubular pile; retaining structure; model of FEM; engineering of foundation pit Abstract.
The tangential stiffness coefficient of contacting surface equals to, the normal stiffness coefficient is equals to, the physical and mechanical parameters of various materials of finite element model are shown in Table 1.
Table 1 Mechanical parameters of material material elastic modulus /kpa poiss ratio density / cohesion /kpa friction angle /(o) artificial filling soil 2500 0.4 18.5 15.0 12.0 colluvial clay soil 6200 0.35 19.0 33.0 18.0 diluvial clay soil 15000 0.33 19.0 45.0 15.0 residual clay soil 5500 0.38 19.0 35.0 16.0 pre-stress pile 2550000 0.24 26.5 anchor bar 210000000 78.0 In order to verify the reliability of calculating results with the finite element method, comparing the field testing values of foundation pit at the final excavating step of the pit with the calculating results of the finite element method, such as the bottom uplift of pit, the displacement of pre-stress tubular pile, etc.
[3] WANG Xiangqiu, YANG Linde: Building Structure Vol.35(2004), p.37~39 [4] WANG Xiangqiu,YANG Linde: Chinese Journal of Geotechnical Engineering Vol.24(2002), p.729~732 [5] WAN Wen, CAO Ping: Journal of Rock Mechanics and Geotechnical Engineering Vol.24(2005), p.1766~1771
[6] Goodman R E,Tayor R L,Brekke T L: Soil Mech Found Div,ASCE,Vol.94(1968) p.637~659 [7] Desai CS,ZamanMM,Lighter: Journal for Numerical and Analytical Methods in Geotechnics Vol.8(1984)p.19~43

Experiment scheme Eight wallboard specimens were tested to investigate the influence of filling materials, the number of rib grid and insulation layer on mechanical properties of wallboard.
Analysis on Nonlinear Damage of Ecological Composite Walls Filled With Different Materials Based on the Twin Shear Unified Strength Theory
Journal of Constructional Steel Research (JCSR), 2002, 58: 725-758
ACI Structural Journal/January-February 2004
Journal of Structure Engineering, 2004, 115(9):2204-2225.