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For producing high quality surfaces, it is important that the material should be machined in a ductile mode.
Acknowledgements The research was supported by the National Natural Science Foundation of China (NSFC, No.
U0734008), the Guangdong Natural Science Fund Committee (No. 8151009001000048) and the Corporation Network of Guangzhou Science Instrument (GZSIN).
Lu: Journal of Material Processing Technology Vol. 73(1998), p. 42 [3] L.
Zarudi: International Journal of Mechanical Sciences Vol. 43 (2001), p.1985 [4] I.

Introduction Ag2Se is the semiconductor nano materials that formed between ⅠB-ⅥA group elements which have been widely studied in the last decade.
It has been widely used in industrial production of nano materials.
Ultrasound chemistry is an edge interdisciplinary emerging in recent years that has been used in the preparation of the special structure and properties of nano materials.
Shenyang science and technology program No.
[2] H L Su, Y Xie, B Li, Y T Qian, Simple, convenient, mild hydrothermal route to nano crystalline CuSe and Ag2Se, MATERIALS RESEARCH BULLETIN 35 ( 2000) 465-469 [3] M V Busch, T G Van, P Monnoyer, J B Nagy, Structural characterization of colloidal Ag2Se nano crystals LANGMUIR 14 (1998) 1528-1531 [4] R Z Chen, D S Xu, G L Guo, L L Gui, Silver selenide nano-wires by electro-deposition JOURNAL OF THE ELECTROCHEMICAL SOCIETY 150 (2003)183-186 [5] Y J Glanville, D G Narehood, P E Sokol, A Amma, T Mallouk Preparation and synthesis of Ag2Se nano wires produced by template directed synthesis, JOURNAL OF MATERIALS CHEMISTRY, 12 (2002) 2433-2434

Türk2 1 Dokuz Eylül University, Faculty of Engineering, Department of Metallurgical and Materials Engineering, Bornova, İzmir, 35100, TURKEY 2 Sakarya University, Faculty of Engineering, Department of Metallurgical and Materials Engineering, Esentepe Campus, Sakarya, 54187, TURKEY Keywords: Nickel-graphite; Plasma spray; Microstructure Abstract.
These materials have a very soft and easily deformable component like graphite embedded in a relatively harder and stronger matrix like nickel.
Nittono: Journal Of Materials Science 36 (2001), p. 343 [3] G.
Demirkiran, E.Çelik, M.Yargan, and E.Avci: Surface and Coating Technology 142-144 (2001), p. 551 [8] S.Soykan, F.Üstel, E.Çelik and E.Avci: Journal of Turkish Engineering and Environmental Sciences 21 (1997), p. 417 [9] F.
Callister: Materials Science and Engineering An Introduction (John Wiley & Sons, Canada 1997).

This article selects 45 steel and 2A11 aluminum alloy as test materials, chooses shot peening pressure, nozzle scanning velocity, target distance as effect factors, and searches the changing regularity of surface roughness which follows the shot peening process parameters.
Materials and Methods The shot peening specimen chose 45 steel and 2All aluminum alloy which have 25 mm diameter, 15mm height and 28 mm diameter, 15 height machined rods and bars by machine tool.
Ramesh Babu, IE (I) Journal-PR, 86 (2005) 22
Duan, Journal of China Coal Society, 33 (2008) 462
Duan, Journal of China Coal Society , 34 (2009) 1410

Poly (methy methacrylate) (PMMA) is a common coating material [2] and known as transparent, stiff materials and hard due to excellent ultraviolet stability, outstanding outdoor weathering properties and low water absorption [3, 4].
Figure 2: UV-Vis absorbance of PMMA films on the different layer spin coated onto substrate (a) 1 layer, (b) 3 layers, (c) 5 layers and (d) 7 layers The optical measurement in the study is very important because they can describe the optical behaviour of the materials.
Baghery, Morphological And Thickness Analysis For Pmma Spin Coated Films, Journal Of Optoelectronics And Advanced Materials, 9 (2007) 3901-3906
Semaltianos, Spin-coated PMMA films, Microelectronics Journal 38 (2007) 754–761
Kiefer, Adsorption Behavior Of Hyaluronidase Onto Silver Nanoparticles And Pmma Bone Substitute, Journal Of Optoelectronics And Advanced Materials, 9 (2007) 686 - 689

Workpiece material is AlSi9Cu3.
Acknowledgement The authors would like to thank the National Natural Science Foundation of China (№:50675088), Jiangsu Provincial Natural Science Foundation (№:BK2007562) and Jiangsu University Foundation (№:07JDG025 ) for the supporting.
Dornfeld: Journal of Materials Processing Technology, Vol. 58 (1996), pp. 189-200
Dornfeld: Journal of Materials Processing Technology, Vol. 62 (1996), pp. 24-36
Dornfeld: Journal of Engineering Materials and Technology, Vol. 122 (2000) APRIL, pp. 305-308

Journal of Tongji University(Natural Science), Issue 10(2007), p. 1425-1429, In Chinese
Journal of Materials Engineering, Issue S2(2009), p. 79-82, In Chinese
Journal of Beijing Normal University (Natural Science), Vol. 34(special) (1998), p. 35-37, In Chinese
Journal of Functional Materials, Issue 6(2009), p. 930-932+939, In Chinese
Science Press. (1979), In Chinese.

Numerical simulation of spray quenching heat-treatment process of backup roll Zenghui LIU1,a, Chunjing WU1,b, Yingjie ZHANG2,c, Junxin SU2,d, Congcong CUI2,e, Shi WANG2,f 1 School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China 2 Sinosteel Xingtai Machinery & Mill Co., Ltd, Xingtai 054025, China aliuzenghui2007@gmail.com, bcjwu@mater.ustb.edu.cn, czhangyj3@sina.cn dsjx9059@163.com, ejszxyjhs@xt-zhagun.com, fwshi963@126.com Keywords: Backup roll, Spray quenching, Numerical simulation Abstract.
In order to reduce loss of material message during calculation, real experimental data can be input directly in the interface of model.
Li, J.Gu, et al: Research and Application Prospect of Computer Simulation on Heat Treatment Process, Journal of Shanghai Jiaotong University （Science）, Vol. 5(2000)No. 1, p. 1-13
Zhang, et al: Numerical Simulation on Thermal Stress of Large-scale Bearing Roller during Heating Process of Final Heat Treatment,Journal of Shanghai Jiaotong University （Science）, Vol. 5(2000)No. 1, p. 347-350
III, Journal of Chemical Physics, Vol. 9(1941), p. 177-184.

Materials and methods Test materials Eggs, Beijing changping farmers market; Formaldehyde, analysis of pure, west long chemical co., LTD.
Journal of agricultural and food chemistry, 2009, 57(10): 4218-4223
Journal of food science, 1991, 56(6): 1532-1536
Journal of Food Science, 1987, 52(1): 68-74
Journal of Food Science, 1977, 42(5): 1193-1200.

Material and Methods CdS nanoparticles were obtained via a microwave-assisted synthesis reported by Serrano et al. [19].
Minay, The electrophoretic deposition of inorganic nanoscaled materials, Journal of the Ceramic Society of Japan 114 (2006) 1-14
Liu, A review on fundamentals and applications of electrophoretic deposition (EPD), Progress in Materials Science 52 (2007) 1-61
Masumdar, Studies on nanocrystalline cadmium sulphide (CdS) thin films deposited by spray pyrolysis, Solid State Sciences 12 (2010) 1173-1177
Man, Fabrication and characterization of tetrapod-like ZnO nanostructures prepared by catalyst-free thermal evaporation, Materials Characterization 61 (2010) 128-133