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The mechanical relations of the materials of the cylinders are described through the harmonic potential.
Mechanics of Composite Materials.
S.: Axisymmetric longitudinal wave propagation in a finite pre-strained compound circular cylinder made from compressible materials.
CMES: Computer Modeling in Engineering and Science.
Journal of Sound and Vibration.

Investigation of Y1-xCaxBaCo2O5+δ cathodes for intermediate-temperature solid oxide fuel cells Wujie Ge1,a, Qun Shao2,b , Yanzhi Ding*,3,c and Xiaoyong Lu3,d 1Institute of Chemical Engineering, Anhui University of Science and Technology; Anhui Key Laboratory of Low Temperature Co-fired Materials;Huainan, Anhui, 232001, China 2Institute of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui, 232001, China 3Anhui Key Laboratory of Low Temperature Co-fired Materials; Department of Chemistry and Chemical Engineering, Huainan Normal University,Huainan, 232001, Anhui, China agegwj239@163.com, b729694881@qq.com, c * zghndyz@163.com Corresponding author: Yanzhi Ding.
The YCBC materials exhibit chemical compatibility with SDC electrolyte up to a temperature of 1100℃.
Also, due to changes of oxygen stoichiometry (so called chemical expansion), these materials possess high thermal expansion, which causes large mismatch of thermal expansion coefficients (TECs) with typical electrolyte materials.
Conclusions The double perovskite YCBC (x = 0.1-0.5) were investigated as potential cathode materials of IT-SOFCs.
Journal of Materials Chemistry, 2007, 17:2500-2505

Regularities of Composite Materials with Micrograded Grain Structure Formation V.V.
Introduction High-Temperature Synthesis (SHS) or combustion synthesis technique is applied widely to develop new materials including graded materials with progressive bulk changes in composition, structure and properties, dispersion strengthening materials, etc.
The properties of gradient and dispersion strengthening materials differ considerably from those of corresponded homogeneous materials [1- 5].
Kim and M.A Meyers: Materials Science and Engineering Vol.A206 (1996), p. 71
Metals Science Vol. 78 (4) (1994), p. 147, in Russian

Currently, researches for three-dimensional non-woven liner materials here are still in the initial stage.
Experiments Experimental Materials And Devices.
Experimental Materials.
Materials will be softened under the high temperature, forming a good heat-bonding network among fibers.
Both 4080 and PTT have a great influence on the softness of materials.

Study Formation Process of Cement Clinker Minerals by Using Calcium Carbide Slag as Raw Material Wang Yali1,a, Dong Shijie1,b, Liu Linlin1,c ,Cui Suping1,d and Xu Haibo2,e 1College of Materials Science and Engineering, Beijing University of Technology, Beijing, China 2Equipment Department, Army Aviation Institute, Beijing, China a wangyali1978@bjut.edu.cn , b dongshijie_rain@emails.bjut.edu.cn, c lllydcg@emails.bjut.edu.cn , d cuisuping@bjut.edu.cn Keywords: Industrial waste, Calcium carbide slag, Limestone, Calcium containing raw material.
But, there are many differences in decomposition temperatures between the calcium containing raw materials.
Compared with limestone materials, calcium carbide slag has a higher content of CaO, less loss on ignition, a lower alkali content, higher sulfur and chlorine contents.
There are many differences in decomposition temperatures between the two raw materials.
Xu, Application of carbide slag in pollution treatment [A],Journal of Shenyang Institute of Engineering(Natural Science). 6 (2010) 211-214,217.

Journal of Northwest Forestry University, Vol. 26, No. 5 (2011), p. 207-209 [13] Naqvi N, Shiv B, Bechara A.
Current Directions in Psychological Science, Vol. 15, No. 5 (2006), p. 260-264 [14] Dan Xia.
Journal of Cognitive Neuroscience, Vol. 14, No. 3 (2002), p. 340-347 [16] Leandro L.
International Journal of Industrial Ergonomics, Vol. 41 (2011), p. 298-304 [17] Ping Wang.
Journal of jiangxi blue sky university, Vol. 6, No. 4 (2011), p. 37-40

Hollenkamp: journal of power sources, Vol.157 (2006), p.11-27
Gogotsi: Nature materials, Vol.7 (2008), p.845-854
Simon: Science, Vol.321 (2008), p.651-652
Pell: Journal of solid state electrochemistry, Vol.7 (2003), p.637-644
Chen: Journal of the electrochemical society, Vol.143 (1996), p.3791-3799

Composite materials and its advancements for a cleaner engine of future.
Journal of Materials Engineering and Performance, 33(1), 120-135.‏14.
Composite materials parts manufacturing.
Journal of Engineering Science and Technology, 16(2), 1601-1613
Journal of Engineering Science and Technology, 15(3), 2051-2061

Experimental Materials.
Journal of Hazardous Materials, 190(2011) 8-27
Journal of Hazardous Materials, 139 (2007) 481-490
Journal of Hazardous Materials,185(2011)44-51
Journal of Hazardous Materials, , 147(2007)1051-1055

Numerical Analysis of Hydrodynamic Lubrication on Water-lubricated Rubber Bearings You-Qiang Wang a Chao Li b Qingdao Technological University, Qingdao,266033, P.R.China awyq@qtech.edu.cn blichao19870@163.com Keywords: Rubber journal bearing; water lubrication; numerical analysis; hydrodynamic lubrication. friction coefficient.
Recently with the development of the heavy load and high speed journal bearings, the disadvantages of the fluted rubber bearings began to appear in applications.
(3) Where，E is the Yang’s modulus and m is Poisson ratio of rubber materials.
Acknowledgements This work was financially supported by the National Natural Science Foundation of P.R.China through contract no.50875137, Natural Science Foundation of Shandong Province Government P.R.China through contract no.Y2007F30 and Taishan Scholar Special Fund of Shandong Province Government.
IMechE.Journal of Engineering Tribology.