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Among all the techniques hydrothermal treatment is an excellent tool for inducing surface roughness and surface nanostructuring on different types of materials.
Wettability, a very important aspect of materials, was governed by both the surface chemical composition and the geometric structure.
Paulc and R.Ghosh: Materials Letters Vol.64 (2010), P.460 [9] A.
Chuang: Materials Letters Vol.58 (2004), P.650 [13] D.
Zhang: Chemistry of Materials Vol.17 (2005), P. 6177 [16] Z.

Test pieces were collected from the fabricated weld samples as per the American standard of testing of materials (ASTM) standard IX section.
Ma, Friction stir welding and processing, Materials Science and Engineering: R: Reports, 50 (2005) 1-78
Murugan, Tensile behavior of dissimilar friction stir welded joints of aluminium alloys, Materials & Design, 31 (2010) 4184-4193
Murr, Friction-stir welding of aluminum alloy 2024 to silver, Journal of Materials Science Letters, 19 (2000) 1047– 1051
Infante, Optimization of FS Welding Parameters for Improving Mechanical Behavior of AA2024-T351 Joints Based on Taguchi Method, Journal of Materials Engineering and Performance, (2013)

O’Donnell, L.Looney: Materials Science and Engineering A Vol. 303 (2001), p. 292 [2] Majid Hoseini, Mahmood Mertian: Materials letters.
Velasco: Journal of Materials Processing Technology Vol.133 (2003), p.203 [4] Zhao Yu-tao, Zhang Song-li and Chen Gang: Transaction of Nononferrous Metals Society of China Vol. 20 (2010), p. 2129 [5] Hailong Wang, Rui Zhang, Xing Hu, Chang-An Wang and Yong Huang: Journal of materials processing technology Vol. 197 (2008), p. 43 [6] Majid Hoseini, Mahmood Meratian: Journal of Alloys and Compounds Vol. 471 (2009), p. 378 [7] Chen Guo-qin, Xiu Zi-yang, Yang Wen-shu, Jiang Long-tao and Wu Gao-hui: Transaction of Nonferrous Metals Society of China Vol.20 (2010), p. 2143 [8] X.X Yu, W.B.
Abouelmagd: Journal of Materials Processing Technology Vol.155-156 (2004), p. 1395 [10] Hongming Wang, Guirong Li, Yutao Zhao and Gang Chen: Materials Science and Engineering A Vol.527 (2010), p. 2881 [11] Ying Gao, Degui Zhu, Ling Cheng, Hongliang Sun and Qing Wang: Advanced Materials Research Vol. 283-286 (2011), p.38 [12] In Jun Hwang, Duck Young Hwang, Yong Min Kim, Bongyoung Yoo and Dong Hyuk Shin.
The Chinese Journal of Nonferrous Metals [J] Vol. 5 (1995), p.133 (in Chinese) [16] Zhang Zhiqing, Li Qiulin, Chen Dandan, Liu Wei and Liu Qing: Rare Metal Materials and Engineering.
German, Pavan Suri and Seong Jin Park: J Materials Science Vol. 44 (2009), p.1.

After import blood pump rotor system to ANSYS Workbench, the first need is to setting each parts material attribute of the blood pump rotor system , because the materials supplied by the ANSYS are not all including the pump rotor materials needed in the system, so it’s need to create some special brand of material parameters alone, it’s only need to define density ,elastic modulus and poisson's ratio in the ANSYS Workbench and other parameters such as mass and moment of inertia will be calculate according to the density of the elastic modulus and poisson's ratio by the software itself, these datas will provide the necessary data base for the blood pump rotor system thermal analysis , in this paper studies on the blood pump rotor system of each parts material physical and mechanical performance parameters ,shown in table 1 Fig.1 The 3D model diagram of blood pump rotor system Part Mateial Density/kg/m3 Elasticiy modulus /GPa Poisson Ratio impeller Ti4 4510 105 0.33 permanet magnet
Acknowledgements This work was supported in part by the National Natural Science Foundation of China (Grant No. 61305019, 31271057) and the Jiangxi Province Natural Science Foundation of China (Grant No. 20122BAB206030, 20132BAB211032) and the Science and Technology Research Project of Jiangxi Province Department of Education (Grant No.
Journal of Xi'an Jiaotong University, (2006),40(11):p.1290-1294 [2] ZHANG JianFeng,WANG CuiLing,WU Yu PingG.
Journal of Biomedical Engineering Research, (2009),29 (3):p.152-155 [5] ZUO XiaoMing.
Shanghai motor college journals,,2006,,9(5): p.28-30

Journal of Changchun College of Engineering ：Natural Science，2008,6(01): 29-31
Journal of Dongbei University: Natural Science. 2013,34(07): 1049-1052
Journal of Building Structures, 2003,24(05): 1-9
Construction and Building Materials, 2003. 17(6-7): 471-489
Journal of Dongbei University ：Natural Science. 2010,31(07): 1035-1038

It measures wave response in THz wave band to obtain characteristic spectra of measured materials.
Terahertz Science Technology and Applications[M].
Physics Journal. 2009, 58(8): 5805-5809.
Journal Of Chinese Institute Of Food Science And Technology. 2010, 10(2): 195-200.
Journal Of Capital Normal University(Natural Sciences Edition). 2007, 28(3): 27-32.

FEM Analysis and Structure Improvement of Pinch Valve Xiao Shufen1, Zhang Yi2 and Li Xiwen2 1School of Computer and Information Science, Hubei Engineering University, Xiaogan, Hubei 432000, China 2School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China a874883176@qq.com, b839871689@qq.com, cxiwenli@vip.sina.com.cn Keywords: pinch valve; FEM analysis; structure improvement; fatigue life Abstract.
Pinch valve is an important flow adjusting device in the operating system of polymer materials with characteristics of high viscosity and high solid content, and its service life limits its application and popularization.
Fig.1 Overall structure of the pinch valve Fig. 2 FEM model of the pinch valve Material Model and Parameters of Pinch Valve Constitutive Model and Parameters of Rubber.
The rubber hose material is 26-fluororubber produced by Shanghai 3F New Material Co., Ltd, and the rubber was improved and strengthened by adopting organic montmorillonite.
Correspondence author: Xi Wenli References [1] Yang Meng and Ren Hong: Contemporary Chemical Industry Vol. 34. 6 (2005), p. 424-426 [2] Shen Yue: Journal of Shenyang University Vol. 16. 2 (2004), p. 44-45 [3] Huang Qingzhuan: Chinese Journal of Tropical Agriculture Vol. 29. 5 (2009), p. 20-24 [4] Zuo Liang and Xiao Feixiong: China Elastomerics Vol. 18. 3 (2008), p. 54-56 [5] Gu Zheng, Song Guojun, Gao Jianming and Wang Baojin: China Elastomerics Vol. 17. 6 (2007), p. 30-33

Toughness of Ultra High Strength Steel Sheets Stanislava Hlebová1, a and Ladislav Pešek2, b 1Technical University of Liberec, Faculty of Mechanical Engineering, Department of Material Science, Studentská 2, 461 17 Liberec, Czech Republic 2Technical University of Košice, Faculty of Metallurgy, Department of Materials Science, Park Komenského 11, 040 11 Košice, Slovak Republic astanislava.hlebova@gmail.com, bladislav.pesek@tuke.sk Keywords: fracture energy, toughness, ultra high strength steel, structural adhesive, joining technique Abstract.
Experimental material and testing Material.
In: Journal of Nuclear Materials 329-333, (2004) 1117-1121
In: Journal of Nuclear Materials 225, (1995) 231-237
Mucha.: Joining materials used in car body production by clinching.

Admicellar polymerization is used to modify the surface adhesion and interfacial tension of materials [6].
Experimental Materials Poly(lactic acid) (PLA grade 2002D) was purchased from NatureWorks.
Mosto, Biodegradable polymers and their layered silicate nanocomposites: In greening the 21st century materials world, Progress in Materials Science 50 (2005) 962–1079
Holmberg, Admicellar polymerization of methyl methacrylate on aluminum pigments, Journal of Colloid and Interface Science 337 (2009) 364–368
Inoue, Toughening of Poly(L-lactide) by Melt Blending with Rubbers, Journal of Applied Polymer Science 113 (2009) 558–566

Microstructure and Corrosion Resistance of Microarc Oxidation Coatings on AZ31 Magnesium Alloy Extrusion Profiles Jie Ma1, a, Yuansheng Yang2, b, Xiuchun Wang1, c, Jing Zhang1, d, Shuo Liu1, e Likun Jiang1, f and Xibin Yi1, g 1Institute of New Materials, Shandong Academy of Sciences, Jinan 250014, China 2Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China amajie8107@163.com, bysyang@imr.ac.cn, cwangxch@keylab.net, djingjing8207@sohu.com, el.spoon@yahoo.com.cn, fjianglikun919@163.com, gyixb@keylab.net Keywords: magnesium alloy, microarc oxidation, microstructure, corrosion resistance, polarization curve Abstract.
Yang: Journal of Rare Earths Vol. 28 (2010), p. 798 [3] R.
Jing: Materials Protection Vol. 44 (2011), p. 25 [8] Y.
Wu: Journal of Changchun University of Technology (Natural Science Edition) Vol. 31 (2010), p. 97 [9] W.
Xian: Chinese Journal of Materials Research Vol. (2009), p. 421