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The composite structures have a higher specific rigidity than metallic materials.
Materials, Geometry and Reference Mark The materials examined in the study are all manufactured using the filament winding process.
Non-linearity of materials is not taken into account in modeling.
Chang: Journal of Composite Materials, 26(14) (1992). : 2134-69, [5] P.B.
Collombet: Journal of Composite Materials, Vol. 39, (2005) No. 10, 917-928

Opening Process At first, the relative comparison of materials was performed.
Jun Kawai, Materials & Design, 22(2001), p.111 2.
Duval, Journal of Materials Processing Technology, 50(1995), p.133 4.
Han, Key Engineering Materials, 183-187(2000), p.547 5.
Hisashi Takeuchi, Journal of Materials Processing Technology, 38(1993), p.635 6.

The applications and some current challenges of CZM in bituminous materials and pavements are briefly discussed.
The Application and Challenge of Cohesive Zone Model CZMs have been successfully used to simulate the fracture process in a broad variety of different material systems including metallic materials，polymers, ceramic materials, and asphalt concrete.
Multiscale and functionally graded materials.
International Journal of Fracture, 2005, 136(1-4): 285-308
Journal of Engineering Mechanics, 2006, 132(11): 1215-1223.

Introduction In modern science and technology industry piezoelectric transducer has a very broad impact.
Design Of System As one method to measure the piezoelectric constant, the key to static test method is depend on surface of the piezoelectric material under uniform compression to ensure accurate measurement of static method.
The A/D calibration circuit Test Results And Analysis To test the system of piezoelectric constant test,YT-4 of the piezoelectric material, its size of φ 20 × 2,the nominal value of piezoelectric constant is 242×10-3Vm/N.
The set value of pressure and the rest of pressure is measured by digital pressure transmitter with the accuracy class is 0.5%FS, accurate value of the instantaneous pressure on piezoelectric material is obtained.
Comm,190:853-860,2003 [2] Hongxing Xu, Ying Luo Xinhua Yuan: Journal of Jiangsu University of Science and Technology( Natural Science), vol. 22(2001), p. 12-14(In Chinese) [3] Huiming Huang , Jun Ouyang, Shishang Guo: Physics experimentation, vol. 30(2010), p. 5-7(In Chinese) [4] Shuai Guo, Ji-feng Guo: Journal of Mechanical & Electrical Engineering, vol. 29(2012), p. 443-446(In Chinese) [5] Huiying Ye, Yanguang Yu: Electronic components & materials, vol. 23(2004), p. 46-50(In Chinese) [6] Xiaofei Xu,Denghua Li: Chinese Journal of Scientific Instrument, vol. 27(2006), p. 1598-1600 (In Chinese)

Introduction The heat conduction at macroscale problems is described by Fourier’s law , (1) where λ is the thermal conductivity of the material, is the temperature gradient, q(x, t) is the heat flux.
To define the thermal conductivity λe and heat capacity Ce of electrons the following relationships are widely used [12, 13, 23] , (24) where λb, A are the material constants.
Acknowledgements The article and research are financed within the project 2012/05/B/ST8/01477 sponsored by National Science Centre.
Analysis, International Journal of Heat and Mass Transfer, 37 (1994) 2789-2797
Mochnacki, Identification of thermal properties of the system casting-mould, Materials Science Forum, 539-543 (2007) 2491-2498

The paper presents an innovative method for measuring the stress changes in the materials.
Measurement The system developed for the measurement of changes of stresses in materials (Fig. 1) consists of piezoelectric receiver (R), exciter (E), conditioner, power amplifier and personal computer with measuring cards.
Im, Load predictions for non-isothermal ECAE by finite element analyses, International Journal of Computational Materials Science and Surface Engineering [4] 1/2 (2007) 242-258
Journal of Theoretical and Applied Mechanics; ISSN 1429-2955. vol. 49 no. 4 s. 1049-1058. (2011)
Journal of Vibroengineering ; Vol. 14, ISSN 1392-8716. (2012).

International materials reviews, 1992, 37(1): 1-44
Materials Science and Engineering A, 1999, 266(1): 135-145
Journal of Materials Processing Technology, 2004, 150(1-2): 100-106
Mechanics of Materials, 1998, 27(2): 63-76
Materials Science and Engineering: A, 2004, 364(1-2): 260-272

That is because of the cheaper raw materials, easier process, industrial promotion, well-distributed powder particles size, and more complete crystal shape.
Journal of Applied Physics, Vol.35,(1996),P.4736-4737
Journal of Materials Science, Vol.30,(1995), p. 4349-4354
Materials Research Bulletin,Vol.36,(2001),p.497-502
Materials Science and Engineering.

Experiment preparations Experiment materials.
When the content of both materials are maximum, the smaller absolute value of the logarithm are, the intensity enhancement effect.
Journal of arid environmenis.2001,47(4):453-463
Journal of Materials in Civil Engineering,2000,12(4):307-309
Science press.,1994.

At the same time we use low price Fe2O3 for iron source which can reduce the expense of the raw materials.
Journal of Power Sources 119–121 (2003) 252-257
Journal of Power Sources. 178(2008) 801-806
Journal of Power Source. 195(2010) 3661-3667
Chinese Joural of Materials Research. 24(2010)213-216.