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Viscoelasticity is the property of materials that exhibit both viscous and elastic characteristics during deformation.
Examples of viscoelastic materials include amorphous polymers, semi-crystalline polymers, bio-polymers, metals at very high temperatures, bitumen materials and living tissue and cells [7].
These materials have the tendency to creep, undergo stress relaxation and absorb energy.
Synthetic viscoelastic materials can be injected directly into an osteoarthritic knee to act as a lubricant and shock absorber.
Rudraswamy, Effect of nonlinear thermal radiation on double-diffusive mixed convection boundary layer flow of viscoelastic nanofluid over a stretching sheet, International Journal of Mechanical and Materials Engineering 12 (2017) 1-18 [24] S.M.

Materials and Methods Nanoscale bilayers assembly procedure.Fig. 1 shows a diagram of the nanoscale bilayers assembly procedure.
K., “Multilayers of colloidal particles”, Journal of Colloid and Interface Science, Vol. 21, pp. 569,1966
[3] Mitzi, D.B., “Thin-film deposition of organic-inorganic hybrid materials,” Chemistry of Materials, Vol. 13, pp. 3283-3298, 2001
“Investigating the application of nanoscale bilayers assembly on stainless steel plate to evaporation behavior. ”,Advanced Materials Research , Vol. 750, pp.2104-2107, 2013a
Chen. “ Investigating the use of nanoscale bilayers assembly on stainless steel plate to improve evaporation. ”, Applied Mechanics and Materials , Vol. 395-396 , pp. 718-725,2013b

Sector 4, Building 75, Porto Alegre, RS, Brazil 2 Department of Materials/PPGEM/ Federal University of Rio Grande do Sul 3 ICET/Feevale atiagocoti@gmail.com Keywords: Fuel Cell, SOFC, YSZ, Spray Pyrolysis.
The development of solid oxide fuel cell has shown that the thin film concept for the electrode supported designs, based on the yttria-stabilized zirconia, is more promising than the research of new electrolyte materials.
Rajam: Materials Chemistry and Physics Vol. 111 (2008), p. 131. ].
Ivey: Journal of Power Sources Vol. 184 (2008), p. 220. ,[] T.
Opinion in Solid State and Materials Science Vol. 5 (2001), p. 317. ].

Research on Low Cost Automatic Polishing Machine for Die/Mold Manufacturing Liu Jianxin1, a, Lv Jianjun1,b and Tan Ping2,c 1School of Mechanical Engineering and Automation, Xihua University, Chengdu, Sichuan, PRC 2 School of Mathematics and Computer Science, Xihua University, Chengdu, Sichuan, PRC ajamson_liu@163.com (corresponding author), bpalvjj99@yahoo.com.cn, ctpjoan@163.com Keywords: Compliant Actuator, Robotic Polishing, Tripod Mechanism, Pneumatic Servo Position Control Abstract.
Anymore, the material removal depth is directly proportional to the relative velocity at polishing point, mean pressure and number of polishing times and inversely proportional to feed rate and workpiece hardness [4].
Acknowledgment This paper is supported by Key Technology R&D Program of Science and Technology Department of Sichuan Province,PRC (Grant 2010GZ0132), and Research Fund for Key Discipline of Mechatronic Engineering of Sichuan Province, Xihua University, PRC (SZD0409-08-0).
References [1]Xavier Pessoles, Christophe Tournier, Automatic polishing process of plastic injection molds on a 5-axis milling center, journal of materials processing technology 209 (2009) 3665-3673 [2] Liang Liao, Fengfeng (Jeff) Xi, Kefu Liu, Modeling and control of automated polishing/deburring process using a dual-purpose compliant toolhead, International Journal of Machine Tools & Manufacture 48 (2008) 1454-1463 [3] Ming J.
Tsai, Jou-Lung Chang, and Jian-Feng Haung, Development of an Automatic Mold Polishing System, IEEE TRANSACTIONS ON AUTOMATION SCIENCE AND ENGINEERING. 4(2005) 393-397 [4] Hon-yuen Tama, Haobo Cheng, An investigation of the effects of the tool path on the removal of material in polishing, Journal of Materials Processing Technology. 210 (2010) 807-818 [5] Information on http://www.festo.com

Journal of Manufacturing Systems, 2003, 22(4), p. 340-347
Materials Evaluation.1998, 56(10), p. 1215 -1222
Journal of Mechanical Science and Technolugy, 2007, 27(5), p 1720-1725
Scripta Materials, 1999, 40(3), p.333 - 340
Materials Evaluation, 1996, 54(8), p.888-900.

Preparation and Research of Oil in Water Microemulsion Xiaoqi Chen1, Mengmeng Zhou1,2, Zhengzheng Wang3, Haijun Zhou1, Shulan Yang1, Xin Li1, Xiongwei Qu2, Yantao Li1* 1Institute of Energy Source, Hebei Academy of Sciences, Shijiazhuang, 050000, China 2School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300401, China 3Hebei University of Science and Technology, Shijiazhuang 050018, China *Corresponding author e-mail: 13903116163@163.com Keywords: Oil in Water; Microemulsion; drug carrier.
Experimental Materials.
The raw materials were as follows: Span80 was supplied by Tianjin YongDa Chemical Reagent Company Limited; Tween80 was purchased from Jiangsu Hai'an petrochemical plant; Marcol-52 was obtained from ExxnoMobil Asia Pacific Pte.Ltd.
Journal of physical chemistry. 1959, 63(10):1677-1680
Journal of agricultural and food chemistry. 2013, 61: 3654-3660.

Literatures [4, 5] investigated three-dimensional surface flaw growth for plate specimens of several kinds of materials including glass, plexiglass and marble in uniaxial compression and studied the influences of interaction of two crack surface of the closed crack on crack growth.
Literature [10] carried out CT real-time scanning tests on rock-like materials-special ceramics specimens to investigate the three-dimensional internal crack growth.
Literature [11] carried out uniaxial tensile tests on rock-like materials to investigate the surface crack growth.
Cement mortar is selected as specimen materials for this experiment because of its convenience, brittleness and easiness to form surface crack or internal crack in specimens.
Chinese Journal of Geophysics, Vol.30(1987),p.371-378 [5] X.C.

Acceleration by retardation in hydration process for cement based materials (2010) Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society, 38(9), pp. 1618-1622
Effect of citric acid on cement hydration (2012) Advanced Materials Research, 393-395, pp. 49-53
Effects of Temperature on the Performance of Sucrose in Cement Hydration (2011) Journal of Materials in Civil Engineering, 23(7), pp. 1124-1127
Hydration kinetics of cement-based materials with P2O5 incorporated (2010) Tumu Jianzhu yu Huanjing Gongcheng/Journal of Civil, Architectural and Environmental Engineering, 32(5), pp. 119-124
Influence of superplasticizer S-3 on the echnological properties of concrete mixtures (2014) Advanced Materials Research, 941-944, pp. 780-785.

Material and Method Wastewater and Seed sludge.
Acknowledgement This paper was supported by Natural Science Foundation of Hebei Province, China (E2012501015) and Technology Support Project of Science & Technology Bureau of Qinhuangdao, China (201101A048).
Sedran: Water Science and Technology Vol. 47 (2003), p. 123~128 [2] S.
Wen: Biochemical Engineering Journal Vol. 15 (2003), p. 153-157 [5] T.
Satoshi: Biochemical Engineering Journal Vol. 10 (2002), p. 31-37

Asphalt mixtures are described as visco-elastoplastic materials for which the responses of the mixtures to the loads [7], and they are categorized into three groups as elasticity, viscoelasticity and viscoplasticity, depending on whether they are time dependent and recoverable during the unloading period.
Choice of parameters for computations The structure and materials of asphalt pavement shows in Fig. 3.
Acknowledgements This work was financially supported by the Colleges and Universities in Hunan Province Science and Technology Research Projects (10C0106).
Wije Wathugala: Journal of Materials in Civil Engineering Vol. 16 (2004), p.147-154
[9] Jiupeng Zhang, and Xiaoming Huang: Journal of Southeast University Vol. 40 (2010), p.185-189 [In Chinese]