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helix angle,four-flute carbide ball end mill.Specimens used titanium alloy materials.Down milling was used for the milling experiments.
Acknowledgements This work was supported by Innovation Team Training Plan of Tianjin Universities and colleges (TD12-5043), “High-End CNC Machine Tools and Basic Manufacturing Equipments” Major National Science and Technology Project (2012ZX04012-031), Tianjin City High School Science & Technology Fund Planning Project (20130408).
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[3]E.J.A.Armaregoand R.C.Whitfield.Computer basedmodelling of popular machiningoperationin Turning Operations.Journal of Engineering Production,1(1):1~18,1997

Treheux, Materials Science and Technology, 3 (1987) 241-248
Kao, Journal of Electronic Materials, 30 (2001) 1152-1156
Kang, Journal of Electronic Materials, 30(2001) 1165-1170
Kivilahti, Journal Material Research, 17 (2002) 291-301
Tong, Journal of Electronic Materials, 32 (2003) 558-563

Introduction Shape memory alloys constitute a class of materials called smart materials which exhibit an unusual property, shape memory effect.
Adiguzel, Materials Research Bulletin, 30 (1995), p. 755
Romero, Materials Science and Engineering A, 282 (2000), p. 16
Adiguzel, Journal of Materials Processing Technology, 185 (2007), p. 120
Paidar, Materials Science and Engineering A, 481–482 (2008), p. 243

As the second hardest material, CBN (cubic boron nitride) is suitable for grinding hardened materials, e.g. hardened D2 mold and die steel [2].
Acknowledgements The research is supported by the National Science Foundation of China (NSFC: E 51305229), Beijing Municipal Science & Technology Commission (NO.
Journal of Machine Engineering. 10 (2010) 18-29
Advanced Materials Research. 76-78 (2009) 9-14
Materials and Design. 28 (2007) 101-111.

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.

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Fig.2 showed the calculation method of the material removal volume.
The material removal speed was calculated by Eq.1.
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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.
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Journal of Environmental Science and Engineering B 6, pp. 387-390, 2017
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