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Even though normal material can cut the liner, and the loss of liner mass and radial velocity of fragments almost are the same, the greater density of cutting material is, the larger effect to liner and the shorter cutting time will be, which would make the cutting easier. 5 Conclusions (1)Numerical simulations of the formation of bar-cutting MEFP are carried out by finite element software, and the influence laws of cutting materials on the divergence angle of MEFP are analyzed.
Acknowledgements This work was financially supported by National Natural Science Foundation (51175481)and Natural Science Foundation of North University of China under Grant number (201101005).
Investigation of multiple explosively formed projectile technology [J].Ordnance Material Science and Engineering.2008, 31 (3), p.74～76.
Numerical Analysis of EFP Forming Multi-fragments Due to Cutting Reseau [J].Journal of Ballistics,2009,21(2), p.90～94.
Numerical Simulation and Experimental Research on Compact Shaped Charge [J].Chinese Journal of Explosives & Propellants, 2009, 32(5), p.46-49.

The Research Status, Superiorities and Prospect of Composite Insulation Materials in China Ruifeng Chen1, a,Hualiang Gu2,b and Yiming Jia3,c 1 zhejiang university of technology, China 2 zhejiang university of technology, China 3 zhejiang university of technology, China a1522290861@qq.com, bghldl@126.com, c357715971@qq.com Keywords: Composite Insulation Materials Superiorities Prospect Abstract: Chinese existing insulation materials mainly included inorganic thermal insulation materials and organic insulation materials, but short of composite insulation materials.
The Research Status of Composite Insulation Materials Composite insulation materials which could be inorganic thermal, organic or mixed materials, would be made of more than two kinds of materials, and complemented with bonding agent.
The Prospect of Composite Insulation Materials Insulation materials had two types, organic material and inorganic material.
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(Natural Science Edition),2011,41(1) [8] Wuxiang Wang.Study on Cement-based Composite Thermal-insulating Materials Used as Filling Materials of Energy Saving Blocks[J].Building Block and Block Building,2009(3) [9] Yongchuan Wu,Zheng Wang,Fang Cui and Zhihui Ye.Development of environmental protection composite thermal insulation material for accessible roof[J].New Building Materials,2007,34(1) [10] Kuishan Li,Xu Zhang,Xing Han and Dongming Zhu.Experimental Research of Isothermal Sorption Curve of Building Materials[J].Journal of Building Materials,2009,12(1) [11] Jianping Li and Fei Li.On-site pull out test for the bonding strength between exterior wall base and insulation materials[J].New Building Materials,2010,37(8) [12] Yicheng Qiu and Quangen Yang.Application of Polyurethane Interface Bonding Mastic in External thermal Insulation on Outside Wall[J].Wall Materials Innovation &Energy Saving in Buildings,2010(10) [13] Yuenian Wang and Shifa Lin.Application of Thermal Insulation

Experiment Acrylic polymer (3M VHB4910), conductive plastic, graphite, SYLGARD184 silica gel, Fluid200 FL 50 CST silicone oil, n-heptane and experimental materials[5] are experimental materials.
The results show that the performance of E-ACE using graphite as electrode materials is much better than that of E-ACE using conductive adhesive as electrode materials, for the mechanical flexibility of electrode material made of graphite is much smaller than that of electrode material made of conductive adhesive.
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International Journal of Solids and Structures 256(2006) [6] Federico Carpi.Materials Science and Engineering C 24 (2004)

Introduction Traditionally, materials are selected from a materials database in which properties of materials are tabulated.
Systems-based materials design approach.
The approach is characterized by a confluence of engineering science and mechanics, materials science/physics, and systems engineering.
McDowell: Journal of ComputerAided Materials Design, Vol. 11, Nos. 2-3 (2005), p. 163. 11.
Benson: Journal of Computer-Aided Materials Design, Vol. 12, No. 1 (2005), p. 57. 12.

It can also according to the ecosystem of the material divided into three parts, namely the natural materials that can grow, the nonrenewable materials made by human and the materials that have characteristic between natural materials and artificial materials.
Furthermore, new materials of modified form basically have new features materials and conform to the type of materials.
This type of building skin fully by means of science and technology increasingly appeared in the contemporary architecture.
From the architectural skin to Epidermal architecture,Journal of new buildings, 5 (2008) 50-56
[6] Yong He.The Cognitive construction and construction logic of epidermis material, Architectural Journal ,7(2009)72-73

There is no other impurity peak, suggesting high purity of the obtained materials.
Acknowledgement This work was financially supported by the National Science Foundation of China (NSFC, Nos. 51201066 and 51171065), the Natural Science Foundation of Guangdong Province (No.
Gu: Journal of Power Sources.
Julien: Journal of Power Sources.
Passerini: Journal of Power Sources.

In our numerical simulation, the emphases is the process for formation of fracture saturation in multilayer materials , we note that failure phenomena depend very strongly on the properties of the materials disorder and thus the involved material can not be treated as a homogeneous medium.
Our numerical simulation recurrence the phenomenon of fracture saturation in multilayer materials.
American Journal of Science, 308(2008:)49-72 [7] Garrett K.
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Materials and Methods.
Pirohov, Study of Special Cements Based on Calcium and Barium Ferrites, In Materials Science Forum.
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Lapovska, Building Materials Science, Textbook, Kyiv, 2017

Boundary Integral Equation Analysis of an Inhomogeneous Medium Made of Functionally Graded Materials H.
Introduction In recent years, functionally graded materials (FGMs) have generated a great deal of interest as advanced composite materials.
Mortensen: Functionally Graded Materials, Institute of Materials, IOM Communications, London, 1998
Shariyat: Advanced Materials Research Vols. 463–464 (2012), pp. 570–574
Sladek: Composites Science and Technology Vol. 68 (2008), pp. 1209–1215

Guided wave theory for isotropic materials has been successfully used for concrete and other structures [10, 11, 13-15].
However, timber is an orthotropic material and guided wave theory for isotropic materials cannot directly be used to verify the experimental velocities at high frequency [16].
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Spreinger series in wood sciences, Editors: TE Timell, R.