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In one way, the die is made of resin materials, which can be used several hundred times but can not recycling, in another way, the die is made of low-melting-pointed alloys, which can be used more than one thousand times and the material can be recycled.
II, 935-938 [2] Kitazawa, K., Incremental Sheet Metal Stretch-Expanding With CNC Machine Tools, 4th ICTP, 1993,1899-1904 [3] Stoughton, Thomas B., General forming limit criterion for sheet metal forming, International Journal of Mechanical Sciences v 42 n 1 2000 Elsevier Science Ltd, 1-17 0020-7403 [4] Yoon SJ and Yang DY, Investigation into a new incremental forming process using an adjustable punch set for the manufacture of a doubly curved sheet metal, Proceedings of the Institution of Mechanical Engineers Part B, Journal of Engineering Manufacture, Vol.215, Issue 7, pp.991-1004, 2001
Part 1: Indirect Rapid Tooling, International Journal of Advanced Manufacturing Technology, Vol. 19, pp.411-417, 2002
[9] Stoughton, Thomas B., General forming limit criterion for sheet metal forming, International Journal of Mechanical Sciences v 42 n 1 2000 Elsevier Science Ltd, 1-17 0020-7403 [10] Cha-Soo, Jun, Dong-Soo Kim.

Pan, Influence of the morphology of long-period stacking ordered phase on the mechanical properties of as-extruded Mg–5Zn–5Y–0.6Zr magnesium alloy, Materials Science and Engineering: A (2012) 68-75
Zeren, Effect of copper and silicon content on mechanical properties in Al–Cu–Si–Mg alloys, Journal of Materials Processing Technology (2) (2005) 292-298
Jiang, Effects of Cu content on the precipitation process of Al–Zn–Mg alloys, Journal of Materials Science (23) (2012) 8174-8187
Pelcová, Thermal stability and corrosion behaviour of Mg–Y–Nd and Mg–Tb–Nd alloys, Materials Science and Engineering: A (1-2) (2007) 329-333
Inoue, Classification of bulk metallic glasses by atomic size difference, heat of mixing and period of constituent elements and its application to characterization of the main alloying element, Materials Transactions (12) (2005) 2817-2829

Introduction In solid materials heat is carried by acoustic phonons and electrons [1].
The thin films used in microelectronic devices, composite materials in superconductors and in nuclear reactors’ walls, etc, are known to be simultaneously subjected to both temperature and electric field gradients.
The difficulty in modeling heat diffusion problems for these kinds of materials arises due to complications in applying fundamental laws on them.
Balandin, Thermal Prooerties of Graphene and Nanostructured Carbon Materials, Nature Materials, Vol 10, (2011) [2] Patrick E.
Yunus, IOSR Journal of Applied Physics 3 (2013) pp.38-46 [8] F.

Experimental details Materials: Zinc sulphate heptahydrate (ZnSO4. 7H2O, 99%), Copper sulphate pentahydrate (CuSO4. 5H2O, 99%), titanium dioxide and sodium hydroxide (NaOH) were purchased from Merck.
Liu, In situ assembly of well-dispersed Au nanoparticles on TiO2/ZnO nanofibers: A three-way synergistic heterostructure with enhanced photocatalytic activity, Journal of Hazardous Materials 237–238 (2012) 331–338
Jiang, One-step template-free fabrication of mesoporous ZnO/TiO2 hollow microspheres with enhanced photocatalytic activity, Applied Surface Science 307(2014) 263–271
Teng, Electrodeposited p-type Cu2O as photocatalyst for H2 evolution from water reduction in the presence of WO3, Solar Energy Materials & Solar Cells 92 (2008) 1071-1076
Zhang, Contrastive study of structure and photocatalytic performance with three-dimensionally ordered macroporous CuO–TiO2 and CuO/TiO2, Applied Surface Science 288 (2014) 363–368

From the above paragraph, spiral angle of back cone generally be taken as76°—77°can be more appropriate, but spiral angle of logarithmic helical mixing blade is a constant, which causes spiral angle of mixing drum back cone section to be big, leading to small fracture surface when the unloading materials slides in the vane, easy accumulation of material, slow discharging, larger resistance torque and power consumption, etc.
Chen: Concrete Machinery (Building materials industry press, China 2002)
Pei: Journal of Building Machinery(2007), p.32
Guo,et al: Journal of Building Machinery(2007), p.12 [7] S.
B .Yu, et al: Journal of Powder Technology(2009), p.25

[2] CHEN QUAN: China Safety Science Journal.
[3] ZHONG Maohua, WEI Yudong: Fire Safety Science.
[4] YIN Wentao, FU GUI: China Safety Science Journal.
[5] XIA Liming, Zong Hengheng: China Safety Science Journal.
[6] FU GUI, YANG CHUN: China Safety Science Journal.

The test materials were melted by a 25kg vacuum medium frequency induction furnace.
[3] Lijie Yue, Longmei Wang , Jinsheng Han: Journal of Rare Earths, Vol. 28 (2010), p. 952
Ma: Journal of Iron and Steel Research, Vol. 14 (2002), p. 8
Ruano: Composites Science and Technology, Vol. 66 (2006), p. 2671
[6] Ting Du, Qiyong Han, Changzhen Wang: The Rare Earths and Alkaline Earths Physical Chemistry and Applications in Materials (Science Press, China 1995).

Table 1: The characteristics of the materials Materials Description Source Natural rubber Standard Malaysia Rubber L (SMR L) Malayan Testing Laboratory Sdn.
Materials & Design, 2001. 22(2): p. 123-128
Journal of applied polymer science, 1999. 74(5): p. 1129-1139
Journal of applied polymer science, 1986. 32(3): p. 4063-4074
Key Engineering Materials, 2014. 594: p. 634-638

In this study, corncobs were made into nitrite adsorbent materials through physical and chemical modification[2].
The experiment shows that efficient functional polymer adsorbent materials for nutrite in seawater can be made from corncobs through modification.
At room temperature, we dried the branches and peanuts’ shells and preparated them as contrastive adsorbent materials.
Fig.4 Contrast of adsorption effects between different adsorbent materials Conclusions In this experiment, corncobs were the main research objects, some other commonly used nitrite adsorbent materials including filter cotton, ammonia absorption stones, peanut shells and branches constituted the contrastive group. 1.0mol/L phosphoric acid solution was used to modify some of the materials, and spectrophotometry was used to measure the nitrite adsorption capacity of all materials.
Journal of Peanut Science, 2009，38（2）：06~10(In Chinese)

The increase in stresses is attributable to the increased work required to deform the material as a result of the increase in friction.
Panteghini and F.Genna, An engineering analytical approach to the design of cold wire drawing processes for strain hardening materials, International journal of metal forming, 3(4) (2010) 279-289 [4].
P.J.McAllen and P.Phelan, Numerical analysis of asymmetric wire drawing by means of a damaged coupled model, Journal of Materials Processing Technology,183( 2-3), (2007) 210 – 218 [7] H.Valberg, E.Doege, A.Kroff and A.
Rzepka,Analysis of the influence of back pull during drawing of Aluminum wires, International journal of materials and product technology, 15(6) (2000)518 – 534 [8] Phelan, P., Brandon, J. and Hillery, M., Central burst analysis of the wire drawing process using accumulated damage Parameter, Journal of Mechanical Engineering Science, vol 215, no 11, 1313 – 1319, 2001 [9] M.
Hayashi, M.Jin, S.Thipprakmas, M.Murakawa, J-C.Hung, Y-C.Tsai and C-H.Hung, Simulation of ultrasonic –vibration drawing using the finite element method, Journal of materials processing Technology, 140 (2003) 30-35 [10].