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Therefore, L-aspartic acid(LASP) as a natural material by adding into AA-AM is to improve the absorb-water performance, salt-resistance performance and biodegradability of AA-AM polymer, which has important scientific value to promote the engineering applications of SAP[10].
PASP was enriched crosslinking density gradients and hierarchical porous material, which had very strong water absorbency and poor hydrogel strength.
Acknowledgements This work was financially supported by the Guangdong Science and Technology Foundation (2010A020507001-83, 2009B020312014, 2006B20401016).
Holcombe: Journal of Hazardous Materials, Vol. 83(3) (2001), p. 219–236 [11] Leng Y.
K.: Journal of Jiangsu Poly.

Park: Measurement of spindle thermal errors in machine tool using hemispherical ball bar test, International Journal of Machine Tools and Manufacture 44 (2) (2004), p. 333–340
De Cristofaro: Precision Positioning Systems: An overview of the state of art, Applied Mechanics and Materials 336-338 (2013), p. 1170-1173
Faglia: Reliability roadmap for mechatronic systems, Applied Mechanics and Materials 373-375 (2013), p. 130-133
Abouzaid: NXT* SCARA Model Based Design Controlled by Neural Network, International Journal of Control Science and Engineering 3(3) (2013), p. 86-94

As a complex non-linear system artificial neural networks (ANNs) that can map the input/output relationships and posses massive parallel computing capability have attracted much attention in research on material processing [8,9].
References [1] Q P Yang, J Zhang: Automobile Technology and Material Vol. 6 (1997),p.1
[4] YU Qingbo,LIU Xianghua:Journal of Iron and Steel Research Vol.14(2002),p.1
[5] ZHANG Shiyu: Journal of Beijing Union University Vol.10(1996),p.25
[8] L.Rawtani, J.L.Rana and A.K.Tiwari: Computational Materials Science Vol.15(1999),p.493

Finite Element Analysis and Optimization of Spreading System of Rapid Prototyping Machine for Ceramic Parts based on ANSYS Dong-qiang Gao, Fei Zhang, Zhi-gang GUO (Institute of Mechanical & Electrical, Shaanxi University of Science & Technology, Xi’an 710021, China) gaodq@sust.edu.cn zhangfei0923@yahoo.cn Key words: spreading system of rapid prototyping machine, finite element analysis, optimization.
(2) Defining material properties. elastic modulus EX=2.1e08, poisson ratio μ=0.25
In the production process, we can achieve the different material production by changing the type of ceramic powder, even produce high-performance parts.
Journals of Tianjin University of Technology, 2005, 2(21): 64-67
Journals of System Simulation, 2009, 21(21): 6893-6897

Kamarulzaman2, d 1Physics Department, University of Malaya, 50603 Kuala Lumpur, Malaysia 2Centre for Nanomaterials Research, Institute of Science, Level 3, Block C Universiti Teknologi MARA 40450 Shah Alam, Selangor, Malaysia azurinaosman@um.edu.my, bwippynie@yahoo.com,c amoda78@yahoo.com, d norlyk@salam.uitm.edu.my Keywords: Polymer electrolytes, PAN, ionic conductivity, dielectric constant, dielectric loss Abstract.
Neves: Journal of Power Sources Vol. 104 (2002), p. 85
Ramamurthy: Materials Letters Vol. 60 (2006), p. 3431
[16] F.Sagane, T.Abe, Y.Iriyama and Z.Ogumi: Journal of Power Sources Vol. 146 (2005), p. 749
[22] S.Rajendran, M.Sivakumar and R.Subadevi: Materials Letters Vol. 58 (2004), p. 641

In contrast to steel volute casing, the strength and stiffness of the volute casing made of PMMA or other engineering plastics must be taken into consideration because these materials have smaller allowable stress and are more deformable.
The material of volute casing is PMMA.
It can be found that when the rotational speed is 1690r/min, the maximum stress of volute casing is 62.5MPa, which is equal to the allowable stress of the material PMMA.
Carlos: Journal of Fluids Engineering, Vol. 128 (2006), pp. 937-946 [2] P.
Christian: Journal of Fluids Engineering, Vol. 125 (2003), pp. 61-72 [3] ABAQUS version 6.5 User's manual.

The materials used were pig iron from Pakistan Steel, mild steel from the local market and ductile iron returns of the foundry.
Raw Materials Used.The following raw materials for the production of ductile iron were used. 1) Pig Iron Pig iron from Pakistan Steel was used for making ductile iron.
Cushway; The Effects of Copper and Nickel in the Production of Austempered Nodular Irons, BCIRA Report, (1984) pp435-439 [5]U.Batra et al., Effect of Nickel and Copper on Austempered Ductile Iron, Journal of Materials Engineering and Performance [J]13 (2004)pp64 [6]http:www.Aditreatments.com/cost_benifits.php [7]B.V.
Aranzabal et al , Influence of Amount and Morphology of Retained Austenite on Mechanical Properties of an Austemperd Ductile iron, Materials Science Technology [J]8 (1992) pp263-273 [9]P.P.
A [J] 28 (1997) pp1457-1470 [10]Cheng-Hsu et al., Microstucture and Mechanical Properties of 4% cobalt and nickel alloyed Ductile Iron, Materials Science and Engineering A, [J] (2007)pp339-346

Laser Beam Welding of Borated Stainless Steel Daniel Drimal1,a and Frantisek Kolenic 2, b 1Slovak University of Technology in Slovakia, Faculty of Materials Science and Technology, Paulinska 16, Tranva, Slovakia 1FIRST WELDING COMPANY Inc., Kopcianska 14, Bratislava, Slovakia 2FIRST WELDING COMPANY Inc., Kopcianska 14, Bratislava, Slovakia a drimal.daniel@pzvar.sk, b kolenic.frantisek@pzvar.sk Keywords: Borated stainless steel, Laser beam welding, Nuclear fuel storage.
Methods and Materials Welding experiments were performed in laboratory of laser beam welding in FIRST WELDING COMPANY Inc.
Welded materials were clamped in mechanical fixture to eliminate misalignments of sheets during welding.
Journal of Nondestructive Evaluation, 15, 1996, (3 – 4.
Theory of weldaibity of metals and alloys, Elsevier Science Ltd., 1992 [4] Kearns, W.

Different techniques of microstructural design have been developed to enhance the ductility of UFG materials.
Materials Vol. 5 (2003) p.296. 7.
Zhu: Advanced Materials Vol. 18 (2006) p.2280. 8.
Lu : Science Vol. 300 (2003) p.310. 10.
Ma: Journal of Metals Vol. 58 (2006) p.49. 11.

The common chemical used is vinsol resin based materials [6].
In general, the mechanical properties of the porous materials can be predicted by the following equation [10]: (1) As expressed in this equation, the mechanical properties of the porous materials should be decreased with increasing of air content.
In porous materials, the pore structure can be affected by the temperature, humidity, chemical compositions or some other factors.
“Effect of used engine oil on properties of fresh and hardened concrete” Construction and Building Materials, Vol. 17, 311-318 [9] S.
“Effect of porosity and copper content on compressive strength of Cu/Cu2O cermet” Journal of Materials Science, Vol. 39, 731-732