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Research Methodology Materials and specimens preparation.
Tensile test is important to determine the mechanical behavior of GFRP composite materials.
Decrease in mechanical properties is seen directly proportional to the increase in the percentage of water absorption of GFRP composite materials.
Tensile test is important to determine the mechanical behavior of GFRP composite materials.
[6] F Ashby Michael, R H Jones, Engineering Materials 1, An introduction to properties, Aplication and design, 2005 [7] P.

Introduction GaAs material is the second generation of new compound semiconductor materials after monocrystalline silicon found.
The material of the mold is nylon.
So the removal rate of the material is different.
Chinese Journal of Mechanical Engineering, 2003,39(10):100-105
Mechanical Engineering Materials(in Chinese).

A wide range of materials used as bulk materials or thin films are employed for manufacturing such devices [1-7].
Materials and methods Materials Gold thin films were deposited on three different materials in order to highlight substrate influence on the mechanical and tribological characteristics of the elaborated samples.
The materials employed for substrates were C45 steel, plastic (polycarbonate) and glass respectively.
The mechanical characteristics (Young’s modulus and nanohardness) of the studied materials were determined by nanoindentation tests which employed a TD21562 nanoindentor (sapphire cantilever with diamond tip).
Margesin, Electrical and mechanical properties of layered gold–chromium thin films for ohmic contacts in RF-MEMS switches, Materials Science and Engineering B 163 (2009) 199–203

Karagöz, Sintering of polycrystalline diamond cutting tools, Materials and Design. 28 (2007) 1055–1058
Interfacial design of Cu-based composites prepared by powder metallurgy for heat sink applications // Materials Science and Engineering. 2008.
Jour. of Refractory Metals & Hard Materials. 15 (1997) 237-256
Lin, Pressureless sintering of metal-bonded diamond particle composite blocks, Journal of materials science. 35 (2000) 5383-5387
Agren, Sintering shrinkage of WC-Co materials with bimodal grain size distribution, Acta Materialia, 53 (2005) 1665–1671.

Materials used in those components were in different shape and thickness in complicated environment where the stress ratio changing frequently, the experimental study of the fatigue crack growth rate with different R-ratios and thickness is required.
Acknowledgment The research work was supported by the National Natural Science Foundation of China (50975260, 51005208) and the Natural Science Foundation of Zhejiang Province of China (Z1091027, Y6090081).
Schijve: Fatigue of Structures and Materials, (Kluwer Academic Publishers, 2001)
Jiang: Chinese Journal of Mechanical Engineering DOI: 10.3901/CJME (2011)
Wang: submitted to Applied Mechanics and Materials (2011).

With the progress of viscoelastic materials and damper structures, viscoelastic dampers are gradually used in earthquake engineering.
Parameters of Viscoelastic Dampers The properties of viscoelastic material have significant dependence of time, e.g. the material stress is not only a function of strain value, but also a function of strain history.
Loss factor η equals the ratio of shear loss modulus to shear storage modulus, which serves as an index to measure the energy dissipation capability of viscoelastic materials.
The area of viscoelastic material layer is 70mm by 40mm, and the thickness is 5mm.
Acknowledgements This work was financially supported by the National Natural Science Funds (51178250), Independent Scientific Research Project of Tsinghua University (2010Z01001) and The science and technology program of Beijing municipal education commission(KZ201110005009) .

Results and Discussions Solvent Extraction is a process which involves extracting oil from oil-bearing materials by treating it with a low boiler solvent.
It can be applied directly to any low oil content raw materials.
It can also be used to extract pre-pressed oil cakes obtained from high oil content materials.
Applied Mechanics and Materials, 393 (2013) 729-734
Journal of Chromatography 827 (1998) 21–29

Materials Sci. & Eng., Gebze Institute of Technology, 41400, Gebze, Kocaeli, Turkey a sdursun@gyte.edu.tr, b sedal@gyte.edu.tr Keywords: KSN, texture, fiber, piezoelectric, piezocomposite Abstract.
The commercially available piezoelectric ceramic fibers or rods are based on lead zirconate titanate (PZT) compositions due to the superior electrical properties of these materials [2,3].
However, in the last decades use of lead based materials in every aspect of life is gradually being restricted through national laws or directives of international bodies due to the toxicity of lead and electronic equipment is no exception in this trend [4] and the ban will eventually be imposed on the piezoelectric materials as well.
[4] RoHS: Official Journal of the European Union, L37, Feb.13 (2003) p.19-23
Messing et al.: Critical Reviews in Solid State and Materials Sciences, vol. 29 (2004) p.45-96

Introduction Damping materials have been used in a variety of engineering applications for the purpose of noise and vibration reduction [1].
Different mechanisms operate in different damping materials to reduce noise and vibration.
The alloys were prepared from raw materials above 99.0% purity and melted in a high frequency induction furnace under vacuum.
This is similar to the magnetomechanical damping character of ferromagnetic materials observed by Cochardt.
Guo: Dynamic Mechanical Thermal Analysis of High Polymer and Composite Materials, Chemical Industry Press (2002), P. 21-29 (in Chinese)

Materials and Methods Sample Preparation A fresh frozen bovine cortical bone of femur was machined into 5mm thick perpendicular to its longitudinal axis by a low-speed diamond saw (Metkon, resin bonded diamond cut-off wheels).
Thus, it is believed that pre-heat treated bones can be excellent alternative materials for bone grafting.
Journal of Orthopaedic Research. 2001; 19: 1021-1016
Nanoindentation of biological materials.
Journal of Materials Science: Materials in Medicine. 1999; 10: 485-488