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Specimen Material and interaction The model consists of five parts: outer steel tube, inner steel tube, core concrete, support, and hammer.
Acknowledgments The research in the paper is part supported by the National Natural Science Foundation of China (NSFC) (51108296).
Shen: Experimental studies on concrete filled steel tubes under high strain rate loading, Journal of Materials in Civil Engineering, 21(10) 2009, p. 1251 [4] J.S.
Xiao: Impact behavior of concrete-filled steel tubular stub columns under ISO-834 standard fire, Civil Engineering Journal, 45(04) 2012, p. 9 [5] M.R.
Hou: Study on performance of circular concrete-filled steel tubular (CFST) members under low velocity transeverse impact, Journal of Tsinghua University, 2012

Because of the polyphenolic nature of humic acid materials, which make up a large fraction of organic materials present in natural water, the reactions of resorcin with ClO2 and chlorine were investigated, respectively, as displayed in Figures 1 and 2.
It was also found that an increase in chloroform formation occurred with increasing dose of chlorine and amount of humic acid materials in raw water.
Other odorous materials such as sulphite usually existed in industrial wastewater or reservoir silt can also be oxidized to sulfate by ClO2[6].
Junli Huang, Environmental Science, 5(1987): 14-22. 2.
Junli Huang, Journal of Environmental Science, 13(1992): 53-58.

The distributions of stress, equivalent strain rate, temperature, velocity of the deformation materials and the mold stress during the three extrusion processes were obtained, respectively.
It reduces the material consuming which meets the light weighting demand.
Material of the die is H13, while the billet is AA6061.
Stress on the die(S=40mm） Acknowledgements This work was financially supported by Promotive Research Fund for Excellent Young and Middle-aged Scientists of Shandong Province (BS2010ZZ008) , Postdoctoral Science Foundation of China (2011M501154) and A Project of Shandong Province Higher Educational Science and Technology Program( J12LB03).
In Chinese [7] Ma Jianzhe, Wang Hongzhi, Li Jibin : Journal of Engineering Graphics vol. 4 (2011), p. 1-7.

The parameters of the tunnel portal’s similar material(gypsum) show as Table 1.
Journal of the china railway society 1998, Vol. 18 (1998), p. 101, In Chinese； [2]SONG Shuzhi, KONG Jiming, WANG Chenhua, et al., Wuhan University Journal of Natrue Sciences, Vol. 11 (2006), p. 905, In Chinese; [3] YE Siqiao, CHEN Hongkai1, TANG Hongme.
China Railway Science, Vol. 29 (2008), p. 17, In Chinese; [4] F.Delhomme,M.Mommessin, J.P.Mougin, P.Perrotin.
Journal of Geophysical Research, Vol.108(2003), p.201; [9]Pichler B, Hellmich Ch, Mang H A.
Journal of east China institute of technology.

Along with the development of computer science and technology, and the finite element numerical simulation technology in sheet metal rebound field has been widely used.
According to the material yield strength and test equipment performance, the maximum pressure is 0.9 MPa for this experiment.
We assume part radius as the independent variable and die radius as the unknown quantity, then establish the empirical formula model for springback compensation, the relationship is shown in Equation 1: Y = A ∗ L g ( X ) + B In the above formula, X means part radius, Y means mould radius（the part radius before springback, A and C are related to materials and process parameters.
International Journal of Mechanical Sciences, 2006. 48 (6):6212-6298 [2] Denise M.
International Journal of Plasticity 20 (2004) 733-751 [4] Zhong Gan, Haiyan Zhang, Tian-xiu Wang.

Cement mortar was used as blasted material, and JHC model describes this material.
Application of Cutting Seam Cartridge Blasting in Rock Materials of Quarry.
Journal of Beijing Jiaotong University, 2009, 33 (1): 109-112
Journal of Vibration and Shock, 2006, 25(4): 155-158
Journal of China University of Mining and Technology, 2009, 19(1): 79-83.

Three dimensional damage states of materials can’t be effectively detected.
Until 1990s, EIS measurement has been applicated with large scale areas in measurement of porous medium such as cement materials, by which to detect inner structure of these materials[4,5].
Journal of Chemical Physics, 1941, 9(4): 341~351
Chinese Journal of High Pressure Physics, 2005, 19(1): 29-34.
Chinese Journal of Geotechnical Engineering, 2007, 29(6): 853-856.

The raw materials were homogenised by dry milling.
References [1] M.Preda, A.Melinescu, M.Zaharescu, A.Braileanu: Romanian Journal of Materials, 32, (2002), p.250 [2] J.D.Santos, R.L.Reis, F.J.Monteiro, G.W.Hastings: Materials in Medicine., 6, (1995), p.348 [3] J.D.Santos, P.L.Silva, J.C.Knowles, F.J.Monteiro: Journal of Materials Science: Materials in Medicine, 7, (1996), p. 187 [4] A.Ababou, D.Bernache-Assollant: Fourth Euro Ceramics, 8, (1995), p.185 [5] M.Zaharescu, M.Crisan, D.Crisan, N.Dragan, A.Jitianu, M.Preda: Journal of the European Ceramic Society, 18, (1998), p.1257

Derman1,c 1Center of Excellence for Frontier Materials Research, School of Materials Engineering, Universiti Malaysia Perlis (UniMAP), Taman Muhibbah, 02600 Jejawi, Perlis, Malaysia azuraidawani@unimap.edu.my, bnorhadira@gmail.com, cnazree@unimap.edu.my Keywords: Powder metallurgy, anodizing, Magnesium, Calcium Abstract.
Seok, Materials Letters, Vol. 62 (2008), p. 4146-4148 [3] H.
PhD in Doctor of Sciences Greifensee: ETH Zurich, 2010, p. 143) [5] G.
Zhou, Materials & Design, Vol. 29 (2008), p. 2034-2037 [7] Y.
Salahshoor, Journal of Materials, Vol. 5 (2012), p. 135-155 [8] M.

Methods and Materials Let us consider two orientations of the workpiece to assess the effect of anisotropy on the drawing of cylindrical products from a square workpiece.
A., Korotkov The design of a matrix for drawing of materials possessing planar anisotropy of mechanical properties, Tsvetnye Metally.
[4] Jennifer Tennera, Kolja Andreasa, Adrian Radiusa, Marion Merklein Numerical and experimental inves-tigation of a dry drawing of aluminum alloys with conventional and coated tool surfaces, Procedia Engineering, Volume 207, 2017, pp. 2245-2250 [5] Junsong Jin, Xinyun Wang Lei, Deng Jiancheng Luo A single-step hot stamping-forging process for the aluminum alloy shell with nonuniform thickness, Journal of Materials Processing Technology.
[7] WeiqinTang, ShiyaoHuang, DayongLi, YinghongPeng Mechanical anisotropy and deep drawing behaviors of AZ31 magnesium alloy produced by unidirectional and cross rolling, Journal of Materials Processing Technology.
[8] Senyong Chena, Yi Qin, Chen J.G., Chee-Mun Choy A forging method for reducing process steps in the forming of automotive fasteners, International Journal of Mechanical Sciences.