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Acknowledgements The authors would like to thank for the continuous funding support of the National Science and Technology Major Project of the Ministry of Science and Technology of China (2013ZX04008011).
Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-Body Dynamics, 220(3): 157-170
Journal of Mechanical Design, 2009, 131(7): 071002
[3]Marsh E R，Yantek D S.Experiment measurement of precision bearing dynamic stiffness[J].Journal of Sound and Vibration，1997，202(1):55-66
Material Science Forum，2006，507–507:445-450

Application of Fuzzy PI Control to Speed Control System of Brushless DC Motor Fahuan Hu 1,a, Xiaotong Qiu 2,b, Jun Tang 1,c 1Faculty of Mechanical and Electrical Engineering, Jiangxi University of Science and Technology, Ganzhou.Jiangxi, China, 341000. 2Faculty of Applied Science, Jiangxi University of Science and Technology, Ganzhou,Jiangxi, China, 341000.
Introduction The emergence of brushless DC motor (BLDCM) is with development of the power electronic technology, the microelectronic technology and the high-performance permanent magnet material.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51104067).
Journal of Huazhong University of Science and Technology(Natural Science Edition),2007,32(12):65-67.
Xi'an University of Electronic Science and Technology publishing house, (2008).

Introduction TiNi alloy films have attracted much attention as intelligent and functional materials because of their unique property, which are called shape memory effect.
Ishida, Martensitic transformation and shape memory behavior in sputter-deposited TiNi-base thin films, Materials Science and Engineering A273–275 (1999) 106-133
Ikenaga, Ion implantation into concave polymer surface, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 242 (2006) 349-352
Saburi, Martensitic Transformations in Sputter-Deposited Shape Memory Ti-Ni Films, Materials Transactions, JIM, 37 (1996) 697-702
Ogiso, Microstructure of ion-implanted region in TiNi alloy, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 267 (2009) 1509-1513.

The realistic fracture of materials involves many different length and time scales.
Kogure: Computational Materials Science Vol. 14 (1999), p. 80 [5] H.
Soh: International Journal of Nonlinear Sciences and Numerical Simulation Vol. 4 (2003), p. 233 [6] M.W.
Wang: Modelling and Simulation in Materials Science and Engineering Vol. 12 (2004), p. 225 [9] L.
Miller: Modelling and Simulation in Materials Science and Engineering Vol. 11 (2003), p.

Marcus, Journal of Physical Chemistry C, 111 (2007) 16351-16361
Marcus, Surface Science, 601 (2007) 1193-1204
Terryn, Corrosion Science, 67 (2013) 179-183
Larsen, Creating a model for percolation of grain boundaries in polycrystalline materials, in: D.N.
Textures of Materials, Pts 1 and 2, Trans Tech Publications Ltd, Zurich-Uetikon, 2002, pp. 419-424

The airfoiles of wind turbine blade structure are more perfect and the mechanical properties of materials are significantly improved based on these researches.
The material of blade is glass fiber reinforced plastic(FRP)[10], the performance indicators are shown in Table 2.
Sherwood and Matthew Huber: Proceedings of the National Academy of Sciences of the United States of America,Vol.107 (2010) ,pp.9554-9555
(In Chinese) [3] Ole Thybo Thomsen: Present and Future: Journal of Sandwich Structures and Materials, Vol. 11 (2009), pp.7-12
Selwin and Rajadurai: Mechanics of Advanced Materials and Structures Vol. 16 (2009), pp.467-469

State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials, Southwest University of Science and Technology, Mianyang, Sichuan 621010, PR China axuhuayi@qq.com Keywords: Vibration mill, Phosphorous slag, Grinding Abstract.
Phosphorous slag is used by producing building materials, such as preparation bricks, low-clinker cement and mineralizer.
Table 1 Chemical composition of phosphorous slag (%) Raw materials SiO2 Al2O3 Fe2O3 CaO MgO P2O5 ∑ Phosphorous slag 38.39 2.80 0.29 50.61 2.29 1.93 96.31 The grinding equipment is Type 2MZG-38 vibration mill.The water content of phosphorous slag is controled below 0.3% before it is ground.The ratio of ball-to-material is 15.When phosphorous slag is ground every 15 minutes, we get a sample.
Acknowledgements This work is financially supported by the Open Project of Key Laboratory for Advanced Building Materials of Sichuan Province (Number 09zxxk08).
Journal of Luoyang Thchnology Clollege(in Chinese), 1994,4(4):1-9

Electrochemically Exfoliated Graphene aMauro Cesar Terence, bEderson Esteves Silva, cJuan Alfredo Guevara Carrió 1 MackGraphe – Graphene and Nano-Materials Research Center, Mackenzie Presbyterian University, São Paulo/SP, Brasil Rua da Consolação, 930 – Prédio 6 – Consolação amauroterence@yahoo.com.br, bedersonesteves@gmail.com, cjuan.carrio@mackenzie.br Keywords: Graphene, electrochemical exfoliation.
With properties that could not be achieved with microscale materials this nanostructure has a huge number of qualities that are amazing, Great expectations are generated about the possibilities of application in several areas of technology, such as electronic devices, opto-electronic, transparent electrodes, energy storage, catalyst, drug release system and sensors [1,2,4].
Within a few minutes, it is easy to notice the amount of exfoliated material.
Advances in Materials Science and Engineering, (2013) 1-5 [4] J.
Li, Building up Graphene-Based Conductive Polymer Composite Thin Films Using Reduced Graphene Oxide Prepared by 𝛾-Ray Irradiation, The Scientific World Journal. (2013) 1-7

Materials Cement.
The SEM is one of the most versatile techniques for investigating the microstructure of materials.
Pataskar: Use of Porous Concrete as a Green Construction Material for Pavement, International Journal of Earth Sciences and Engineering, Vol. 04, October (2011), Page 764-767
Jiang: Experimental study on Properties of Pervious Concrete Pavement Materials, Cem.
Res. 33, (2003), 381-386 [5] American Society for Testing and Materials: Standard Specification for Portland Cement, ASTM C150.

Experimental Materials and Methods Experimental Materials.
The piston rod material was 16Mn high strength low alloy structural steel in this experiment.
Acknowledgements Supported by Xuzhou Key Laboratory of Materials forming technique for Engineering Machinery.
The Open Corrosion Journal, 2010, 3, 38-44
Apply Surface Science, 2000, 158(3): 335-339