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A combination of both morphologies renders a tough and resilient material as it is.
One of the most important parameters for amorphous or semi-crystalline materials is their glass transition temperature Tg As the temperature increases and crosses Tg, the material behavior changes from glassy to rubbery or liquid-like.
Gates, The effect of chemical functionalization on mechanical properties of nanotube/polymer composites, in Structural Dynamics, and Materials Conference, Norfolk, VA, 2003
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Hodgson: Journal of Materials Processing Technology Vol. 125-126 (2002), p. 170-178
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Materials and methods All solutions used in these experiments were prepared from AR analytical reagent grade and ultrapure water.
Preparation of albite Albite (GBW 03134), was purchased in national building materials testing center.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (41130746), Doctoral Fund of Southwest University of Science and Technology (11ZX7105), National Natural Science Foundation of China (41472309) and Postgraduate Innovation Fund Project by Southwest University of Science and Technology (14ycx076).
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In geological materials the average subgrain size, regardless of the subgrain type, is often used to estimate the deformation stress.
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Materials and experimental procedures Commercial titanium was used as substrate material, which was cut in round specimens of 60 mm diameter.
The presence of the oxide inclusions at the interface coating/substrate can affect the adherence between the both materials.
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AO can play an essential role in polymer materials’ degradation, with erosion yields on the order of 10-24g/atom of incident AO flux [4].
The morphologies of the hybrid materials before and after AO exposure test were observed with a Zeiss Co.
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For variable cross-section beams, designers can reasonably design section, save materials and reduce self-weight according to the specific stress situation.
L is the length of beam element , ρ is the density of materials and all of them are known quantities.
According to the material mechanics theory, substituting equations (1-5) into equation (6), one finally reaches the result such as equation (7)
Formulation submitted to Journal of EarthquakeEngineering and Structural Dynamics( 1996) [5] LI Shuang, Xie Li li, Bao Yue quan.
Structure Analysis on Gantry Machining Center and characteristic submitted to Advanced Materials Research(2010)

In the present calculation, same material models and parameters as in [6] are used.
The balloon is modeled by a hyperelastic rubber type material presented by the Mooney-Rivlin model.
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Wang, An FEA method to study flexibility of expanded coronary stents, Journal of Materials Processing Technology, 184 (2007) 447–450, [4] Min Qi , Dongke Liang , Dazhi Yang, Qingbao Zhang, Weiqiang Wang, Finite element analysis on the crimped mechanical behavior of coronary stents, , , Beijing Biomedical Engineering, 25(4) ( 2006) 366-370 [5] Xiang Shen, Zhonghua Ni, Expansion behavior of biodegradable magnesium-alloy stent, JOURNAL O F SOU THEAST UN IV ERS ITY (Natural Science Edition),38(1),49-53,2008 [6] S.N.
Hashmi, Finite element simulation of slotted tube (stent) with the presence of plaque and artery by balloon expansion, Journal of Materials Processing Technology 155–156 (2004) 1772–1779 [7] Stent modeling using immersed finite element method, Michael Gay, Lucy Zhang, Wing Kam Liu, Computer Methods in Applied Mechanics and Engineering,195 (2006) 4358-4370 [8] Zihui Xia, Yunfa Zhang, Fernand Ellyin, A unified periodical boundary conditions for representative volume elements of composites and applications, International Journal of Solids and Structures 40 (2003) 1907–1921 [9] Zihui Xia, Feng Ju, Katsuhiko Sasaki, A general finite element analysis method for balloon expandable stents based on repeated unit cell (RUC) model, Finite Elements in Analysis and Design 43 (2007) 649 – 658 [10] Feng Jua, Zihui Xia and Chuwei Zhoub, Repeated unit cell (RUC) approach for pure bending analysis of coronary stents,Computer Methods in Biomechanics and Biomedical Engineering, 00( 0) (2008) 1–13 [11]

Material properties S.
[3] Shahir Rasheed RP and Sathiya Moorthy R, Analysis of Hybrid Magnetic Bearing for High Speed Spindle, International Journal of Applied Sciences and Engineering Research. 2 (2013) 54-63
[4] Nirmalkumar R, Sreedhar B K, Vijay Sharma, Padmakumar G and Rajan K K, Modelling & Simulation of Magnetic Fields in the Radial Magnetic Bearing, International Journal of Surface Engineering & Materials Technology. 2 (2012) 2249-7250
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