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Future reentry vehicle’s capabilities will in great extent depend upon the capabilities of the materials used for these layers [1].
Ceramic materials give no creep under tension, after a small elastic deformation they immediately com to fracture.
Properties of inorganic non-metallic materials.
Beijing Science Press, Beijing, China, 2008
Spectrometric Radiation Measurements of Nanoporous Insulation Materials, Advanced Materials Research, Vol. 486(2012), pp 437-443.

[2] BAI Jinze: LS-DYNA3D Theory and Case Analysis (Science Press, Beijing 2005)
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Acknowledgements This work is financially supported by National Natural Science Foundation of China ( 50678050).
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The experiment was played in CK6125 CNC lathe, workpiece materials for 45 steel, workpiece size is ∅80 x100 mm , it’s placement was clipping a top and resisting the tail.
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Measurement and Analysis With the help of FE analysis, dimensions and materials of the stator are selected.
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Based on the homogeneous material calculation method, converting the area of FRP bars into concrete area through the elastic modulus ratio, .Figure 2 shows the section conversion before and after cracking.
Acknowledgements This work was financially supported by Fund about the Tibet autonomous region of science and technology plan projects (Tibet 2012-01-11).
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Failure-mode based structural optimization design has been proposed in this paper, while the purpose of optimization is to achieve the best economic performance indicators in certain material and technical conditions.
The design objective is to minimize the material cost and the structural failure modes.
Acknowledgments This project is sponsored by National Natural Science Foundation of China (Grant No. 90815005, 50978218, 51108376), Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20106120110003) and the Office Educational of Shan’xi Province in China (Grant No. 2010JK633) References [1] Meng Guo, Qian-feng Yao and Pei Liu: Journal of Huazhong University of Science and Technology, Vol. 37(2009), p. 102-105.
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Materials and Methods In this study, we employed similar experimental methods to those detailed in our previously published work [18], with modifications appropriate to the current experimental setup.
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After austenization, surface is rapid cooled due to the high conductivity of material.
A piece of workpiece material size of 8mm(wide)×3mm(deep) on the surface is cut off by linear cut machine as sample.
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Zaeh: International Journal of Heat and Mass Transfer.