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Then, they conducted an experiment[4], they studied the influences of impact velocity and material characteristics on the dynamic buckling response of circular shells subjected to axial impact loads, and used a finite element analysis on the transition phenomenon.
The material parameters and geometric parameters of the cylindrical shell are , , , and .
Acknowledgements The supports of National Natural Science Foundation (No.11372209) and the Natural Science Foundation of Shanxi Province of China (No.2010011005) are gratefully acknowledged.
Jones.Influence of stress waves on the dynamic progressive and dynamic plastic buckling of cylindrical shells[J].International Journal of Solids and Structures.2001,38(38–39):6723-49
Karagiozova, Marcı́lio Alves.Transition from progressive buckling to global bending of circular shells under axial impact––Part I: Experimental and numerical observations[J].International Journal of Solids and Structures.2004,41(5–6):1565-80

Research shows that[1-4], the heat which produce in the process of the bonding has a little influence to the bonding, furthermore, the heat is too few that can’t make metal melt to have connection, so the temperature is not the reason for bonding. ultrasonic energy can soften the bonding materials , the contact area of pad and bump will appear fold which make the bonding easier.
Their material composition are ceramic, gold, aluminum and silicon in order.
Acknowledgment This research has received financial support by Science Foundation of Guangxi Zhuang Autonomous Region Government (Grant No. 2012GXNSFAA053234 and 2013GXNSFAA019322), Research Foundation of Educational Commission of Sichuan Province (Grant No. 13ZB0052), National Natural Science Foundation of China (Grant No. 51165004 ).
Journal of Microelectromechanical Systems, 2013, Vol.22, No.3, Jun, pp.560-568
Welding Journal Research Supplement,Angust,1960,3:125-136

Acknowledgments The authors would like to acknowledge National Natural Science Foundation of China (Grant No. 51175533).
References [1] MI Lin,TIAN Tie,MAO Xingzi: Journal of Mechanical Engineering. vol. 45(2009), pp.272-278
[2] MI Lin,TIAN Tie,TAN Wei:Journal of Vibration.
[3] TIAN Tie,MAO Xingzi,MI Lin:Materials for Mechanical Engineering. vol.35(2011),pp.1-3,7
Beijing: Science Press, 1983.The micro theory of metal mechanical properties

Mechanical model of nonmagnetic mineral particles in magneto hydrostatic static separation Yingqiang Zhang1,a, Jingtao Wei1,b, Tingyou Wang 1,c, Zhangyong Wu 1,d 1Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming Yunnan 650500, China ayqzh46@sina.cn,btao@kmust.edu.cn, corresponding author,ctopredsun@126.com, dzhyongwu63@163.com Keywords: Magnetic fluid; Nonmagnetic particles; Mechanical model; Separation Abstract.
Such as the ferromagnetic fluid is incompressible, collinear magnetization, Newtonian liquid and nonlinear magnetic material without hysteresis, the flow field is irrotational and isothermal [3].
[2] Guixiong Liu,Yaoping Pu,Chen Xu, Magnetic force analysis of immersed body in magnetic fluids and its magnetic levitation characteristic,Journal of functional materials,38(2007)34-37
[5] Carlos Rinaldi, Arlex Chaves, Shihab Elborai, Xiaowei (Tony) He, Markus Zahn, Magnetic fluid rheology and flows,Current Opinion in Colloid & Interface Science, 10(2005)141-157
[8] A.M.Pan’shin, S.I.Evdokimov, S.V.Artemov, Magnetic fluid separation of gold-containing products in the vibration Field, Russian Journal of Non-Ferrous Metals,2009, pp.7-15

However, according to the description of coal rock in literature [1-3], it is a kind of material with complicated joints and discontinuous structure.
L2011034; and the national science and technology support program, Project No. 2012BAH32F02.
Simulation and analysis for pick cutting rock by LS_DYNA[J],Journal of Engineering Design, 2011,18(2):103-108
Chinese Journal of Rock Mechanics and Engineering, 2009,28(z2):4040-4045
Journal of Liaoning Technical University(Natural Science),2013,32(4):488-492

Composites are made up of individual materials referred to as constituent materials.
Tubman University, Liberia and Shenyang National Lab. for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, China.
Research Journal of Applied Sciences, Engineering and Technology, 2(8): , (2010), 720-726
Research Journal of Applied Sciences, Engineering and Technology, 3(04): (2011), 245-251
“Mechanical behaviour of bamboo and bamboo composite”, Journal of Material Sci., (1992), pp. 4598 – 4604

The source materials for geopolymers could be natural minerals or by-product materials such as fly ash (FA).
Raw Materials Characterization.
International Journal of Molecular Sciences
International journal of molecular sciences, 13(6), 7186-7198
Construction and Building Materials, 52, 473-481

Experiment materials Experiment base metal.
Welding materials select H0Cr21Ni10 welding wire,its chemical composition are shown as table2: Table 2 Welding materials chemical composition(Wt % ) Materials brand C Si Mn S P Cr Ni H0Cr21Ni10 ≤0.06 ≤0.60 1.0~2.5 ≤0.02 ≤0.03 19.5~22 9~11 Experiment craft and methods Welding craft.
Journal of King Saud University – Engineering Sciences (2012),1-6.DOI:10.1016/j.jksues.2011.12.001
Materials Science and Engineering,A345 (2003) 1-7
Effect of TIG welding on corrosion behavior of 316L stainless steel[J].Materials Letters, 61 (2007) 2343–2346

Hence, Zr and Zr based alloys have potential for substitute materials for Ti and Ti alloys.
However, most reports about the corrosion behaviour of Zr alloys are as nuclear reactor structural materials, not as biomaterials.
Materials and Methods The specimens used in this work were prepared according to the following procedure.
Sumita: Journal of Biomedical Materials Research Vol. 39 (1998), p. 331 [5] T.
Ota: Journal of the Japanese Society for Dental Materials and Devices Vol. 11 (1992), p. 469 Concentration of Ti /(mol%) Pitting potential, Epit /V vs.

Changes need to be made along its design, materials, and economics.
The property of material selection is determined along various material mechanical properties.
Material selection The comparison among the various steels which gave the idea to select suitable material for further construction.
Yield strength A yield strength is the property of material which defined as the stress at which a material ready to bend plastically.
“Design and Fabrication of an Industrial Semi-Automatic Label Shrinking Machine for PolyEthylene Terephthalate (PET) Bottles” IJISET - International Journal of Innovative Science, Engineering & Technology, Vol. 2 Issue 11, November 2015