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Abstract: Numerical investigations on failure process of rock-like materials with a single flaw were carried out under uniaxial compression based on the fracture analysis software: Fracture Analysis Code in Two Dimensions (FRANC2D/L).
With the load increases, the initiation, propagation, interaction and coalescence of those original defects will become the important form of brittle materials failure.
Beijing: Science Press, (1983) [4] Dey TN, Wang CY.
International Journal for Numerical Methods in Engineering 45(5): pp. 601―620. (1999) [9] Nakagawa, K.
Study on failure characteristic of rock-like materials with an open-hole under uniaxial compression[J].

The influences of coating materials on the temperature distribution in the cutting tools were investigated.
After the mathmatical analysis,the results obtained from two kinds of coating materials are shown in Fig.2.
From Fig.2, comparision between KCU10 cutting tools (first coating layer materials is TiAlN) and KT315 cutting tools (first coating layer materials is TiN), there is a temperature difference on the tool rake face.
International Journal of Thermal Sciences, 86 (2014) 148-165
International Journal of Thermal Sciences, 53 (2012) 49-55.

M.: Publishing House of the USSR Academy of Sciences, 1963. 272
Polonik, Development of approaches to the creep process modeling under large deformations, Applied Mechanics and Materials. 249-250 (2013) 833-837
[10] Levitas V.I., Large elastoplastic deformation of materials at high pressure.
Polonik, Determination of a Loading Pressure in the Metal Forming by the Given Movements, Advanced Materials Research, 842 (2014) 494-499
Mazelis, The pressing of an elastoviscoplastic material between rigid coaxial cylindrical surfaces, Journal of Applied Mathematics and Mechanics, 70(3) (2006) 437-445

Magnesium lightweight wallboard is a new kind of building wall materials in recent years.
Magnesium light wallboard contains the light burned magnesia, magnesium chloride, calcium silicon and composite gelled material, which compose the lightweight, high strength wall materials by adding magnesium reconciling agent, high-molecular polymer and industrial waste.
Experimental and Numerical Analysis Study on the Structural Performance of Autoclaved Aerated Concrete(AAC) Wall Slab[J].Journal of building materials,2012,15(2):269-271.
Experimental study on effects of infilled-wallboard on frame seismic performances[J].Journal of huazhong university of science and technology,2012,40(5):90-92.
Journal of huazhong university of science and technology,2008,25(4):325-327.

Machado and M.A Savi: Revista Brasileira de Odontologia Vol. 59 (2002), pp. 302-306 [6] J van Humbeeck: Materials Science and Engineering A.
Wang: Materials and Design Vol. 25 (2004), pp. 699-703
Dragoni: Journal of Materials Engineering and Performance Vol. 20 (2011), pp. 489-4961
Tanaka: JSME International Journal Series I - Solid Mechanics Strength of Materials Vol. 34 (1991), pp. 83-89
Favier: Materials Science and Engineering A Vol. 222 (1997), pp. 45-57

These papers indicate that the bionic unit is the key to improve the materials.
Materials Science and Engineering A. 412 (2005) 323-327
Journal of Materials Processing Technology. 190 (2007) 211-216
Materials Science and Engineering A. 433 (2006) 144-148
Journal of materials processing technology. 206 (2008) 473-480

However, the surface roughness tends to decrease with the increase in cutting speed when cutting of ductile materials.
In this study, 45# carbon steel (0.45% carbon) and cast iron were selected as the workpiece materials.
From this figure, it can be seen that the cutting speeds have the same effects on surface roughness for the two kinds of tool materials.
In machining of cast iron, PCBN and Si3N4 based ceramics are most commonly used tool materials [9].
Hodowany: Machining Science and Technology Vol. 2 (1998), p. 343 [4] A.G.

Gibson: International Journal of Mechanical Sciences Vol. 43 (2001), p.701 [5] Cs.
Rajkovits: Materials Science and Engineering A, Vol. 387-389 (2004), p. 321 [6] S.
Miller: International Journal of Mechanical Sciences, Vol. 42 (2000), p. 729 [15] J.S.
Moussy: International Journal of Mechanical Sciences, Vol. 46 (2004), p. 217 [16] A.G.
Ilstad: International Journal of Mechanical Sciences, Vol. 44 (2002), p. 359

[4] Guo Quangui, Song Jinren, Liu Lang: Aerosspace materials & technology, Vol.2(1999), p.43
[5] Kang Pengchao, Zhang Bin, Wu Gaohui: Transactions of Materials and Heat Treatment, Vol.30(2009), p. 142
[7]Yoshiaki Morisada, Yoshinari Miyamoto, Yuichi Takaura:International Journal of Refractory Metals&Hard Materials, Vol. 25(2007), p.322
[11] Huang Feng ping, Li Hejun, Li Kezhi: Journal of Materials Science and Engineering, Vol. 25(2007), p.175
[12] Wang XiaoGang, Guo JiHua, Li ChengFeng: Journal of Inorganic Materials, Vol. 20(2003), p.199.in Chinese

It is the best alternative to ordinary rubber damping materials in the modern vibration isolator.
Acknowledgements The present was supported by the National Science Foundation of China.
New Metal Rubber Material Modeling and Application [Z].
Journal of Aerospace Power, 2004,19(3):326-330
Mechanical Science and Technology 2011(3).404-407