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Some manufacturers which use particulate and discontinuous fiber materials report that their costs were already competitive with those of conventional materials.
Rohatgi, Aluminium alloy-silica sand composites: preparation and properties, Journal of Materials Science, 21 (1986), pp 3413-3419 [9] K.H.W.
King, A Production Engineers View of Advanced Composite Materials, Materials & Design, Vol.3 (1982), pp.515-522
Journal of Materials Science. 29(4) (1994), pp 2541 – 2556
[13] F.L.Matthew and R.D.Rawlings, Composite Material; Engineering and Science, Imperial College of Science, UK (1999).

Wang: Materials Science and Engineering Vol. 20 (2002), p.101-109 [8] D.
Shinomiya Materials Science and Engineering Vol. 24 (2004), p. 341-347 [10] S.
Gan: Journal of Materials Chemistry Vol. 9 (1999) p. 1635-1639 [12] I.
Gómez: Journal of Materials Science: Materials in Medicine Vol. 20 (2009), p. 2249-2257 [17] K.
Kumta: Materials Science and Engineering Vol. 27 (2007), p. 377-381

In the keyword input card *MAT_USER_DEFINED_MATERIAL_MODELS, when LMC material parameters in user defined material are given, all of the material parameters can be input and be send to user subroutine through the first material parameter as P1 to the LMCth material parameter as PLMC.
Iring: Welding Journal Vol. 74 (1995), p. 451-470 [2] J-M Van der Hoeven, K.
Wang: International Journal of Fracture Vol. 33 (1987), p. 3-16 [6] C.L.
Demeri: ASME Journal of Engineering Materials and Technology Vol. 119 (1997), p. 346-353 [7] C.L.
Demeri: International Journal of Mechanical Sciences Vol. 43 (2001), p. 471-486 [8] C.L.

Membrane materials and polymer sorbents, polymers with highly developed free volume and specific surface, are of great technical importance.
Positron annihilation lifetime (PAL) studies of these materials and some additional experiments give a chance to learn about the character of size distributions of elementary free volumes (EFV) of these materials.
Introduction Positron annihilation lifetime (PAL) studies of polymer sorbents and membrane materials and also some additional experiments give a chance to learn about size distributions of elementary free volumes (EFV) of these materials.
This is valuable information for polymeric materials.
Shantarovich: Journal of Nuclear and Radiochemical Sciences Vol. 7 (2006), p.

Recently, the requirement of improved structural efficiency at relatively low cost has invigorated research over cellular materials in which metallic foam material is easily fabricated.
However an optimal design of foam materials needs be based on reliable engineering researches.
Conclusion The experiments and simulations on fatigue crack growth in foam materials yielded the following conclusions
Engineering Method for Deformation, Fracture, and Fatigue, Mechanical Behavior of Materials, Vol. 2 (1999), pp.357-558
Plain Strain Crack Toughness Testing of High Strength Metallic Materials, ASME, Special Technical Publication, No. 410 (1966).

INTRODUCTION Research situation 45Mn materials in mechanical properties, heat treatment of literature about that: 45Mn belongs to the alloy steel and carbon steel in conditioning, commonly known as manganese steel.
In order to improve the mechanical properties and wear resistance of the steel, a lot of axial, such as gear are all made in a state under the conditions of the use, and domestic to 45Mn materials forging performance of literature study, there is no data is available.
Chromium to the influence of the mechanical properties of When add chromium 45Mn steel for the strong impact of abrasive wear working conditions, the wear resistance of the material do not obviously change; When used for strong impact abrasive wear working condition, the wear resistance of the materials have increased significantly.
The results show that: forging state 45Mn sample tensile strength and elongation increased at the same time, that is, the plastic and strength and at the same time, improve, different from the general structure of the material characteristics, and the mechanical properties of raw materials without forging compared, mechanical properties were well. 5.
Mechanical Industry Press(2004),Vol. 7 ,pp. 934 [4] PAN Chun-xu, SUN Guo-zheng,Heter Ogeneous Steel Welding of The Present Status And Progress of Research,Hydraulic Power Machinery,(1998),Vol.1988, pp.42-46 [5] LIU Hai-yun, WU-yu, LU Wen-xiong,Heterogeneous Steel Welding Joint Bond Area Martensite With The Chemical Composition And Organization Structure, Taiyuan University of Technology( 1999),Vol. 30,pp. 598-601 [6] XIONG Yu-zhu,Tempering Temperature of High Manganese Steel Wear-resisting Influence On The Performance,Journal of Guizhou University of Natural Science Edition(2001) [7] XIE Jing-pei,Metamorphic of Plastic Deformation Wear of Manganese Steel,Journal of Friction Learn(2003) ,Vol.6

Science Officer) and Mr.
Growth and characterization of seed layer-free ZnO thin films deposited on porous silicon by hydrothermal method, Electronic Materials Letters, 8 (1) 75-80
Sol–gel derived ZnO/porous silicon composites for tunable photoluminescence, Journal of Sol-Gel Science and Technology, 64 (1) 110-116
Surface Morphology of Seeded Nanostructured ZnO on Silicon by Sol-Gel Technique, Advanced Materials Research, 667 265-271
Synthesis of ZnO Thin Film on Porous Silicon by Spin Coating in Various Low Molarities Precursor, Advanced Materials Research, 701 167-171

The EBOM of chemical tower based on UG Zhang Juncai, Chen Qingguo School of Mechanical Engineering, Hebei University of Science and Technology, Shijiazhuang Hebei 050018,China zhjc666@126.com; chenqg66@126.com Keywords: chemical tower, Bill of Materials （BOM）, VB, depth traverse, Engineering BOM(EBOM), application development Abstract.
In UG(Unigraphics）environment, computer aided design on Bill of Materials (BOM)for chemical towel is developed using the development tools of VB.
Aiming at the issues above, the paper develops computer aided design on Bill of Materials (BOM) of chemical towel to improve the data management.
Journal of Materials Processing Technology[J], 2003, 139 (1-3): 535-538
The International Journal of Advanced Manufacturing Technology, 2003, (22): 3-7

Exchange-coupling Interaction and Effective Anisotropyin Two-phase Nanocomposite Permanent Magnetic Materials L.
The low coercivity is the key factor impeding the application of nanocomposite permanent magnetic materials.
Feng: Chinese Science Bulletin Vol. 47 (2002), p. 1166 [4] G.
Gao: Science in China(G) Vol. 46(4), (2003) p. 398 [5] W.
Chen: Chinese Journal Of Materials Research Vol. 17 (2003), p. 151 [6] Y.

Ball mill is used for the purpose of grinding all kind of materials [5].
Ball mill has been widely used in the field of refractories, cement, building materials, silicate product, chemical fertilizer, fire-pro of materials, glass, black and non-ferrous metal, ceramic and other mining department which can be used as anti-abrasion materials [7].
[3] Eşme, U. (2009) 'Application of Taguchi Method for the Optimization of Resistance Spot Welding Process', The Arabian Journal for Science and Engineering, vol. 34, no. 2B, October, pp. 519-528
[9] Suryanarayana, C. (2001) 'Mechanical alloying and milling', Progress in Materials Science, no. 46, pp. 1-184
[11] Zhang, F.L., Zhu, M., Wang, C.Y. (2008) 'Parameters optimization in the planetary ball milling', International Journal of Refractory Metals & Hard Materials, no. 26, pp. 329-333.