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ZnO has also demonstrated the richest morphologies among all materials.
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Fig.1 The FE model Material Properties.
All the parameters of materials used in the numerical simulation are shown in Table 1.
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The applications and some current challenges of CZM in bituminous materials and pavements are briefly discussed.
The Application and Challenge of Cohesive Zone Model CZMs have been successfully used to simulate the fracture process in a broad variety of different material systems including metallic materials，polymers, ceramic materials, and asphalt concrete.
Multiscale and functionally graded materials.
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Yua,X.M.Taob.Flat-topped conical shell under axial ompression[J].International Journal of Mechanical Sciences. 2001,43:2125-2145
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According to the traditional ways of loading problem, adopt split open forming technology, control the material open shunt forming, with the organic combination of transfer volume distribution and precise forming, enhance the liquidity of materials, reduce the forming load effectively, avoid the forming defects, improve the deformation uniformity. 2.
Fig.1 Single-pass integral loading finite element model The two-pass shunt open loading process diagram as shown in figure 2, in the integral process of split open loading shown in figure 2 (a) ,the material flow direction is contrast to the punch direction, and punch incomplete contact metal materials, but the reverse flow freely with open extrusion, which can guarantee the metal in internal complex structure and high ribs cavity can fully filled under the smaller load.

Acknowledgements This work is supported by the Major Program of the Natural Science Foundation of the Jiangsu Higher Education Institutions of China (11KJA460001), the Grant from Jiangsu University Science Project (11KJD520003), the national sparking plan project, China (2011GA690190), Huaian Science and Technique Program (HAG2010039, HAG2010062) and Qing Lan Project of Jiangsu Province.
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However, GH4169 is generally known to be one of the most difficult materials to machine because of its high hardness, high temperature strength and low thermal conductivity.
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Effects of the Morphology of Silicon Phase on the Properties of Zinc Based Composites Wei Ai-li1, a , Song Wei 1, b , Wu Xiao-dong 1, c , Liang Wei1, d, Xu Li-hua 2, e 1 College of Materials Science and Engineering, Taiyuan University of Technology, China 2 Taiyuan Sheng Jin Xin Composites Ltd.
The test material was prepared with pure zinc ingot (Zn≥99.99wt %) and the Al-Si matrix alloy.
Experimental The test material was prepared with pure zinc ingot(Zn≥99.99wt%) and the Al-Si master alloy.
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Introduction Measuring the free-surface velocity, stress history of sample and counting the distribution of micro defects are important to understand the damage evolution of metal materials under dynamic loading.
The material of the flyer and sample are all High Purity Aluminum.
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