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The materials to be machined were type of a stainless steels with chemical composition listed in Table 1.
International Journal Machining and Machinability of Materials, INDERSCENCE Publisher, Vol.5, No.4, 2009, 383-400 p.
Štiavnický, Structure Analysis of Mould Parts Made of Materials for Soft Moulds.
In Development of mechanical engineering as a tool for the enterprise logistics progress : science report : project CII-PL-0033-01-0506, Poznan University of Technology, ISBN 83-89873-28-1, pp.187-192, (2006) [9] W.
Ostrava, VŠB-TU, pp1-8, ISBN 80-248-0895-1, (2005) [13] Nam,P.Suh, New Theories of Wear and Their Implications for Tool Materials.

These materials are consistent with causality and with the well established properties of group velocity in isotropic media.
They are named left-handed mediums or left-handed materials, negative-index mediums, negative phase-velocity mediums (NPVM), backward wave mediums or even double negative media.
Recently developed NPVM have been paid much attention in journals and press.
Wegener: Science Vol.315 (2007), 47; V.
Kurakova et al.: Perspektivnye materialy (in Russian) (Journal of Advanced Materials) Vol. 2 (2006), p. 5

Introduction Piezoelectric materials as a function material can be realized electrical energy conversion to mechanical energy and are mainly applied in the fields of frequency control, piezoelectric ultrasonic converter, piezoelectric sounders, piezoelectric igniter and piezoelectric transformers and so on[1].
Breakthrough progress of piezoelectric materials attributed to discovery and application about BiTiO3 ceramics.
Prefired the dry gel in muffle furnace at temperature of 750℃℃ for 2.5h to obtain powder materials.
Powder materials must be milled in agate mortar and 5% PVA binder was added during the grinding process.
Journal of Alloys and Compounds, 2011, (509): 3537–3540

Materials Science and Engineering A 2006, 429:137–148
Materials Science and Engineering A 2010, 527:3685–3689
Materials Science and Engineering A 2007, 458:226–234
Progress in Materials Science 2000; 45: 110
Materials Science and Engineering A, 2005; 402:22-32

Introduction Exploring the new nano-structure has become one focus topic in recent years in physics, chemistry, materials science, biology and other research fields.
Today the quasi-dimension nano-structure materials have been available including nanotubes, nanowires, nanorods and nano-cables, and the preparation of these nano-structured materials technology has been more mature and practical [1-4].
All these cause hollow microspheres materials playing an important role in medicine, biochemistry and chemical technology [6,7].
Pittsburgh: Materials Research Society Proceedings. 1995, 372: 1~13 [11]Gan Zhiping, Guan Jianguo.
Materials Review. 2007, 21(5A):136~141

represents the mass equivalent of ball quality and materials.
Materials Review. 1997, 11(1):57-61.
Science & Technology In Chemical Industry. 2002, 10(2):63-67.
Journal of Chemical Industry & Engineering. 2000, 21(3):18-20.
Journal of China University of Mining & Technology. 1998, 27(2):192-195.

THE USE OF HIGH PRESSURE DIRECT SQUEEZE CASTING FOR SEMI-SOLID PROCESSING OF ALUMINUM BASE NANO COMPOSITES David Weiss1, a, Michael Black2, b 1 Eck Industries, Inc Manitowoc, WI, USA 2 Atriax Materials, LLC Oak Ridge, TN, USA a david.weiss@eckindustries.com, b gmikeblack@comcast.net KEYWORDS: Aluminum, Nano-Reinforcement, Nanocomposites, Semi-Solid Processing ABSTRACT The production of nano-reinforced aluminium alloys in volume and quality suitable for subsequent shape casting has been problematic.
The results show excellent distribution of 50 nm alumina particles in 2014 material.
After ultrasonic cavitation the material can be cast in either sand, permanent mold or diecasting using conventional techniques.
European Journal of Scientific Research, 63 No.2 (2011), 204-218 [4] H.V.
Materials Science and Technology A, 2008, 496 (1-2), 439-446

Should authors use tables or figures from other Publications, they must ask the corresponding publishers to grant them the right to publish this material in their paper.
Lin: Journal of Combustion Science and Technology Vol. 4 (1998), p. 391-395 [2] Zhou, J.R.
Davidson: Chemical Engineering Science Vol. 55 (2000), p. 4079-4099 [5] X.M.
Fang: Journal of Combustion Science and Technology Vol. 14 (2008), p. 227-231 [10]H.S.
Lin: Chemical Engineering Science Vol. 55 (2000), p. 839-847 [11] W.S.

International Journal forNumerical and Analytical Methods in Geomechanics, 1996, 20: 489-516
Chinese Journal of Geotechnical Engineering, 2008, 30(2):181-185
Chinese Journal of Rock Mechanics and Engineering, 2005, 24(15): 2709-2714
Beijing: China Academy of Railway sciences, 2006
Ananalytic solution of elasto-plastic pressure tunnel considering material softening and dilatancy[J].Engineering Mechanics,2004,23(19): 3213-3220

References [1]Zhu W L,Cui L H,Ouyang Y,et al.Kinetic Adsorption of Ammonium Nitrogen by Substrate Materials for Constructed Wetlands[J].Pedosphere,2011,21(4):454-463
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