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It is not feasible to machine soft metal, brittle materials and other similar materials whose Young’s modulus is greater than several tens of GPa by this technique.
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Logothetidis: Materials Science and Engineering: C Vol. 27(2007), p. 1456 [10] J.

Journal of Membrane Science 243 (2004), p. 401 [2] F.
Wilson: Studies in Surface Science and Catalysis, Innovation in Zeolite Materials Science; Proceedings of an Intenational Symposium, Nieuwpoort (Belgium) 1987, editors P.J.
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Journal of Membrane Science 307 (2008), p. 277 [30] Adolfo M.
Noble: Journal of Membrane Science. 335 (2009), p. 32 [31] G.

Atomic Force Microscopic Research of Structural Features of Elastomeric Composite Materials Based on Butadiene Nitrile Rubber N.V.
Chen, Influence of fillers dispersion on friction and wear performance of solution styrene butadiene rubber composites, Journal of Applied Polymer science. 133 (26) (2016), DOI:10.1002/app.43589 [4] T.I.
Hajiyeva, Study of Influence of Copolymer Vinyl Chloride and Vinyl Acetate on the Properties of Butadiene Nitrile Rubber, International Journal of Composite Materials, 2 (6), (2012) 137-141
Tarasov, Research of influence of hollow corundum microspheres on properties of tread rubber tires, Proceedings of the XXI scientific-practical conference "Rubber industry: raw materials, materials, technologies", -М.: ‘Research Center ‘NIIShP’’ LLC. (2016) 82-84
Sokolova, Study of the effect of activated zeolite on the deformation of polymer-elastomeric composites by atomic force microscopy, Materials Science. 7 (2014) 17-22

[7] G.S Upadhyaya, Material Science of Cemented carbide-an overview, Material and Design 22 2001 483-489
Mahdavinejad, ED machining of WC–Co, Journal of Materials Processing Technology 162–163 2005 637–643
Tsai, Micro-hole machining of carbide by electrical discharge machining, Journals of Materials Processing Technology 87 1999 139–145
Husain, Machining of cemented tungsten carbide using EDM, journal of applied sciences 11(10) 2011 1784-1790
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Research and Design of a Steel Material Sorting Instrument based on Eddy Current Qi Lan 1, a, Fuhua Ma 1, b, Zheng Nong 2, c 1Institute of Friction Materials, Guangxi University for Nationalities, Nanning, 530006, China 2College of Education Science, Guangxi University for Nationalities, Nanning, 530006, China aemail: lanqigxmd@163.com, bemail: gxmfh@163.com ,cemail:nongneal@163.com Keywords: Mixing Material in Steel; Eddy Current Probe; Eddy Current Testing Abstract.
Based on the principle, a Steel material sorting instrument was made to detect the steel permeability level, through the permeability level, combined with the central processing circuit steel hardness values reflect iron parts, materials and the carbon content of steel, mixing nondestructive sorting.
In the production process, the iron and steel materials and components of the mixture have occurred from time to time.
If only the metal material is different, the other parameters are fixed, changes of the coil impedance will be only related to metal materials.
References [1] Cao Qingsong, Zhou Jihui.Theoretical and experimental study on metal type identification based on eddy current[J].Chinese Journal of Scientific Instrument，2007,28(9):1718-1722

The composite material of foam aluminum-polyurethane is a kind of high efficient and economical composite materials.
Therefore a lot of manpower, materials and money will be saved by computer simulation technology.
When the impact energy was much high, the stress was cumulated at the bottom of composite material, a large scope of bending deformation was occurred on composite materials.
References [1] Peng Xu, Jinbiao Fan, Jing Zu: North University of China journal (2004).
Materials Science and Engineering. (2002) [8] Haibin Wang: Dissertation for the degree of M.A.

Faculty of Urban Construction and Environmental Engineering, Chongqing University, Chongqing, 400030, China 3 School of Environment Science and Engineering, Tianjin University, Tianjin, 300072,China afengguohui888@163.com, bhuangkailiang_v@163.com, cgirl_liuxin@163.com, dHj_lhx@sjzu.edu.cn Key words: phase change material; floor heating; thermal storage; solar energy Abstract.
Integrating phase change materials into floor heating system, which is a effective method of optimizing using solar energy and other non-continuous energy for heating, greatly improve the heat storage and exchange capacity.
Fig. 2 Structure for phase change material floor Fig. 1 Operation principle of hot water FHSPC Differential scanning calorimeter (DSC) was used to choose capric acid as the main energy storage material.
Journal of Shenyang jianzhu University(Natural Sciences) .Vol. 22-2 (2006) p.294-298 (in Chinese) [4] Qunli Zhang, Hongfa Di, Kunping Lin, etc.
Journal of Engineering thermophysics.Vol. 27-4 (2006) p. 641-643 (in Chinese) [5] Francis Agyenim, Neil Hewitt, Philip Eames, Mervyn Smyth.

Ajji: Journal Macromol Materials Engineering Vol. 292 (2007), p. 1229
Wang: Journal Membrane Science Vol. 281 (2006), p. 1
Xia: Advanced Materials Vol. 16 (2004), p. 115
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Experimental Material.
Table 5 Compressive strength comparison of different cementing materials net paste Cementing material compressive strength [MPa] R1 R3 R7 SL 0.98 10.65 17.10 SLC 2.08 10.72 18.32 OPC 1.09 9.85 15.89 Table 6 Compressive strength comparison of mortar with SL, SLC and OPC Cementing material compressive strength [MPa] R1 R3 R7 SL 0.22 1.30 3.13 SLC 0.36 1.54 3.43 OPC 0.24 0.76 1.53 Compressive strength of paste with SL is higher than OPC except R1, and compressive strength of paste with SLC is all higher than OPC showed in table 5.
Acknowledgements Financial support for this work was provided by Chinese National Natural Science Foundation (50974082) and by National Science and Technology Support Programme (2008BAB32B14).
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The mechanical properties of these raw materials are common [5].
Biological materials are adapted to be multifunctional.
Liang, et al., Progress in bionic materials, Journal of Materials Engineering. 17 (1996) 3-5
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Lin, et al., Structure and mechanical properties of selected biological materials, Journal of the mechanical behavior of biomedical materials. 1 (2008) 208-226