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The material failure is investigated through the physical and mechanical process reflecting the change in mesoscopic structures.
Acknowledgement The work is supported by National Natural Science Foundation of China 41072234 and 50979052 and 50974100 and Natural Science Foundation of Shandong Province ZR2009AZ001.
Chinese Journal of Rock Mechanics and Engineering.23(13) (2004), p. 2182~2186 [3] D.Y,Liu,K.S,Zhu: A study of strength anisotropy of rock mass containing intermittent joints, Chinese Journal of Rock Mechanics and Engineering17(4) (1998), p. 366～371 [4] Q.S.
Shandong University Master’s Thesis. (2009) [5] W.H.Tan,J.C,Wang,R.D.Zhou: Analysis on spatial variability of strength parameter of rock mass, Chinese Journal of Rock Mechanics and Engineering 18(5) (1999), p. 497-502 [6] J.P.Xu, H.T, Hu,A.S,Zhang,et al: On statistical characteristics of physical and mechanical parameters in slope rockmass, Chinese Journal of Rock Mechanics and Engineering 18(4) (1999), p. 382-386 [7] Z,Yang.
Jiang: Representative elementary volume and mechanical parameters of fractured rock masses, Chinese Journal of Geotechnical Engineering29(8)(2007), p. 1135-1142

The temperature fields of the inserts are below the materials solidus after the forming operation so that damages by melting can be excluded.
Further investigations with regard to the development of the temperature have to be done for varied geometries of the inserts and further materials.
Püttgen: "Thixoforming of Steels - A Status Report" Materials Science Forum, Vol. 539-543 (2007), pp. 4297-4302 [2] P.
Kapranos: Journal of Japan Foundry Eng.
Bührig-Polaczek: Journal of Materials Processing Technology Vols. 155-156 (2004) pp. 1357-1364 [5] D.I.

It may be necessary to use several distribution functions rather than a single distribution to represent corrosion damage characteristics due to the large distribution of corrosion depth in aircraft materials.
It is evident from Fig.3 that it may be necessary to use several distribution functions rather than a single distribution to represent corrosion damage characteristics due to the large distribution of maximum corrosion depth in aircraft materials.
Acknowledgements The present work is part of the contribution of National Natural Science Foundation of China (No. 50675221, and 51075394).
Sowers: Journal of Aircraft.
L.Guo: Journal of Chinese Society for corrosion and Protection.

The cam pumps are especially suitable for the transmission of the liquids with different impurities or pure solid materials.
Introduction The cam pumps are extensively used for the transmission of different materials, especially suitable for the liquids with different impurities or pure solid materials.
Acknowledgements This work was financially supported by the National Science & Technology Pillar Program (2012BAD31B09).
Zhao: Journal of mechanical engineering Vol. 38(11), p.152-155, in Chinese
Hu: Journal of Machine Design Vol. 24(3), p.64-67, in Chinese

These values were taken from the Qform material database.
Hirsch, Automotive trends in aluminium - The European perspective, Materials Forum. 28(3) (2004) 15–23
Buchmayr, Finite element method simulation of internal defects in billet-to-billet extrusion, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 224 (2010) 1029-1042
Kleiner, The role of friction in the extrusion of AA6060 aluminum alloy, process analysis and monitoring, Journal of Materials Processing Technology 191(1-3) (2007) 288-292
Levanov, Improvement of Metal Forming Processes by means of Useful Effects of Plastic Friction, Journal of Materials Processing Technology 72 (1997) 314-316

Dental Materials 23, (2007), 486-491
Journal of the Mechanical behavior of biomedical materials 3 (2010) 249-259
Journal of Mechanical behavior of biomedical material. 34 (2014)106-115
Brinkers Where Fatigue behavior of aluminium foams, Journal of materials science letters. 18, (1999), 617-619
Materials science and Engineering A.

Random Vibration Analysis of the Deployable Structure for Satellite Antenna Qing Zou1,a, Guangliang Wu1,b, Yong Hu1, Xiaoguang Liu1, Fuyu Wei1 Jing Li2,c, Hongjian Wang2, Bin Li2, Shengwei Zhang2, Xiaopeng Li2 1College of Mechanical Science and Engineering, Jilin University, Changchun, Jilin, 130025, China 2Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing azouqing@jlu.edu.cn,bwguangliang@163.com, clj@nmrs.ac.cn Keywords: Satellite Antenna, Finite Element Method, Random Vibration Analysis.
Introduction The Deployable Structure of Satellite Antenna (DSSA) discussed in this paper is a pre-research structure designed by Jilin University and the Center for Space Science and Applied Research, Chinese Academy of Sciences.
LY12-CZ is chosen as the main material, and Carbon fiber T300 is used in parabolic antenna and cold reflector.
References [1] Xingrui Ma, Dengyun Yu, Zengyao Han, Yuanjie Zou: Journal of Astronautics, Vol.27(3) (2006),p.323.
Kennedy, F.W.Williams: Journal of Sound and Vibration, Vol.317 (2008),p. 236

Computer Science.
Computer Science and Information Engineering.
Journal of the Association for Information Systems(2009)
Applied Mechanics and Materials.Vols. 278-280(2013).p1779-1782 [9] Xie Chuan，Peng Ying, Research of Intelligent Garbage Collection Collaboration Based on RFID Technology
Journal of DongHua university (Natrue Science).Vol.38.No(1)(2012)

Acknowledgements This research is supported by National Natural Science Foundation of China (NSFC) (Grant No. 50575161) and the Nature Science Foundation of Tianjin, China (Grant No. 043603311).
Bandyopadhyay: Journal of Materials Processing Technology, Vol. 57 (1997), pp. 272-277
Takahashi: Journal of Materials Processing Technology Vol. 66 (1997), pp. 18-24
Journal of Production Research.
[7] E.Ceretti, P.Fallbohmer, W.T.Wu: Journal of Materials Processing Technology.

The increasing demand for WBG materials like SiC has led STMicroelectronics to expand wafer diameter from 150 mm to 200 mm, enhancing production yield and reducing costs.
The demand for reliable Wide Band Gap (WBG) materials like SiC and GaN for power devices and high-voltage products has been steadily growing over recent decades, driven by their extensive use in various applications [1,2].
ECS Journal of Solid State Science and Technology, 2
In Materials Science Forum
Semiconductor Science and Technology, 33