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According to the requirement of the design goal, alternative materials and allowable stress constraints, the ratio of the vibrator's two nature frequencies are set to close to one initially.
Choosing materials.
Depending on the selected materials and the determined structural parameters, the geometrical model of the proposed vibrator is created.
In order to guarantee the reliability of the contrast, materials, structural parameters and constraint conditions of the cantilevers array are set to the same as the proposed vibrator.
Measurement Science and Technology, Vol. 17 (2006), No.12, pp.175-195 [2] S.

Electrical Response and Mechanical Behavior of Plasticized PVC Actuators Hong Xia a, Takamitsu Ueki and b and Toshihiro Hirai c Smart Materials Engineering, Faculty of Textile science and Technology, Shinshu University, 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan a s08t107@shinshu-u.ac.jp, bs05t104@shinshu-u.ac.jp, ctohirai@shinshu-u.ac.jp Keywords: PVC gels, creep deformation, bending actuator, Young's modulus, compression, tensile, Maxwell stress.
Introduction In recent years, the smart materials have been interested and applied to various fields.
Materials and preparation of specimens Plasticized PVCs were made from commercial PVC powder (n=3700), solvent tetrahydrofuran (THF) and plasticizer DBA with 10:30, 10:50, 10:70 and 10:90 (wt %).
All of the materials were prepared by blending the solution of PVC powders in THF and DBA, casting and evaporating in room temperature for several days.
Zulhash Uddin, Masashi Watanabe, Hirofusa Shirai and Toshihiro Hirai: Journal of Robotics and Mechatronics Vol. 14 No.2, 2002

Experiment process Raw materials.
MR66 sintered spinel and aluminum oxide were used as raw materials.
The chemical compositions of raw materials are shown in the table 1.
Preparation of MgO–MgAl2O4 composite for refractory application, Journal of Materials Processing Technology, 189 (2007) 279–283
Materials Review: 2010, 24 (10): 54-56

International Journal of Solids and Structures.
Composite Materials, Elsevier Edition, Vol 70, pp. 132-158
Composite materials.
Science Direct, Procedia Engineering, Vol 167, pp. 252 – 26
Key Engineering Materials.

Nitric Acid Activated Carbon Aerogels for Supercapacitors Yajie LIa, Xingyuan NIb, Jun SHEN, Dong LIU and Nianping LIU Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, Institute of Physical Science and Engineering of Tongji University, Shanghai 200092, P.
Electrochimica Acta 45 (2000) 2483–2498. ] Electrode materials is a key factor of the performance of supercapacitors,.Nanoporous carbon materials have recently attracted considerable attention in the research of electrode materials, owing to the high surface area, high conductivity, and relatively low cost.[[] Amini, N.; Aguey-Zinsou, K.
Journal of Power Sources 185 (2008) 589–594. ]But the specific capacitance of carbon aerogels needs to be improved.
New Carbon Materials, 2008, 23(2): 165–170. ].
Fig. 1 The FT-IR spectra of materials Fig.2 The SEM images of materials Electrochemical characterization Cyclic voltammetry.

Starting Materials, Processing and Forming.
The work had involved considerable planning and lots of samples preparation and examination of the materials.
Coble: Journal of Applied Physics Vol. 41 (1970), p. 4798, 5.
The full paper is being written up for submission to the ASEAN Journal of Science and Technology for Development for publication in the 2009 Edition. 10.
Hing, Invited Lecture on Materials Development for High Intensity Discharge Light Sources, presented at the 5 th International Conference on Materials Processing for Properties and Performance, Dec 2006. 11.

Nanoclay (NC) is one of the most suitable materials that have successful results in polymers.
Uzman, Application of Taguchi Optimization Technique in Determining Plastic Injection Moulding Process Parameters for a Thin-shell Part, Materials & Design, 28/4 (2005)1271-1278
[4] M.P.Groover, Fundamentals of Modern Manufacturing - Materials, Process and System John Wiley & Sons, Inc, 2010
Abd Rahman, The Effects of Injection Moulding Processing Parameters and Mould Gate Size towards Weld Line Strength, Advanced Materials Research, 488, (2012) 801-805
Zakaria, Optimising Injection Moulding Parameter Setting in Processing Polypropylene-Clay Composites through Taguchi Method, Applied Mechanics and Materials,271(2013) 272-276.

Cai1,2,b 1 Dept. of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, Louisianan 70803, USA 2 School of Civil Engineering and Architecture, Changsha University of Science & Technology, Changsha 410076, Hunan, P.
The use of intensity charts may help in better estimating the damage severity, although clearly marked zones of damage are not yet prescribed for certain materials like concrete and steel.
Vahaviolos, Ed., American Society for testing and materials, West Conshohocken, PA
ACI Structural Journal, Vol. 99((2002), 411417
On Acoustic emission from Composite materials (1992), American Society for Nondestructive testing, Columbus Ohio

When the initial billet temperature is lower, materials tend to flow down to fill the shaft instead of the teeth.
Fig.7 shows the material flow with different friction conditions, from which we can see that the friction condition has an impact on the material filling both in shaft and teeth.
When μ=0.5, the material flow of upper teeth is roughly equal to that of lower teeth.
Acknowledgements This work was supported by Cooperating Project of SDU-Komastu and Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China (IRT0931) References [1] Hung-Hsiou Hsu: International Journal of Mechanical Sciences, Vol. 44 (2002), p. 1543-1558 [2] J.
J. of Materials Processing Technology, Vol. 187-188 (2007), p. 600-603.

Ultrasound echo signal is very important, whether it is internal defects detecting, the organizational structure characterization or materials performance evaluation [4].
The thickness of the cladding layer material is 2.50mm.
This study provided a good reference for the measurement of dissimilar materials acoustic parameters and offered a simplification of the acoustics theory model of the SRM.
Weapon of Materials Science and Engineering, 2008, 31 (3) 62-65
Journal of Alloys and Compounds, 2012, 542:51-58