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A measurement method for loss factor of viscoelastic material was researched.
Introduction Transverse wave and longitudinal wave is a kind of elastic acoustic wave in viscoelastic material and elastic material.
Elastic acoustic wave can be excited when acoustic wave incidents to the surface of viscoelastic material or elastic material at a certain angle [1-3].
Acknowledgements This work is supported by science and technology on underwater acoustic laboratory under grant 9140C200105120C2001.
References [1] Yexin Xing, Guowei Luo: International Journal of Digital Content Technology and its Applications.

Metallic implants are usually made of one of the three types of materials: austenitic stainless steels, cobalt–chromium alloys and titanium and its alloys [15].
MATERIAL AND METHODS Material.
Machining parameters such as depth of cut, cutting speed and cutting tools influenced surface characteristics of materials.
The other parameter such as feeding angle, thread per inch and cutting tools materials also give influence for surface characteristics material of cortical bone screw.
Lett. 11: (1992) 1039–1042 [16] Uthoff, H.K., Poitras, P. dan Backman, D.S, "Internal plate fixation of fractures: short history and recent developments”, Journal of Orthopaedic Science, vol 11 (2006) 118-126

The cathode materials were characterized by X-ray powder diffraction(XRD), scanning electron microscopy(SEM).
However, it has been reported that there are still several major problems limiting the applications of the lithium-rich layered cathode materials.
To synthesize cathode material Li[Li0.2Mn0.54Ni0.13Co0.13]O2, MnSO4·H2O, NiSO4·6H2O and CoSO4·7H2O are used as starting materials for the coprecipitation.
Fig. 2 shows the SEM images of the T1 and T2 cathode materials.
Acknowledgements This work was funded by the National Natural Science Foundation of China(51202083).

The particles size and morphology can affect the tap density of materials, and the sphere shape particles can make materials with higher tap density.
The materials were held for 24h at the upper temperature and slowly cooled down to room temperature prior to removal from the furnace.
Jullen: Chemistry of Materials Vol.20(2008),p.462
Hwang: Journal of Materials Chemistry Vol.14(2004),p. 2690
Nuli: Advanced Functional Materials Vol.16(2006),p.2135

Using the material blending menu, the system accepts the liquid density which input by user and calculates the weight of each material automatically.
Initial Foundation of Henan University of Science & Technology for financial support of this research work.
Lu: Journal of Process Control, Vol. 17 (2007) No.5, p.191-201
Ma: Journal of System Simulation, Vol. 11 (2007) No.9, p.2594-2598.
Su: Journal of Process Automation Instrumentation, Vol. 27 (2006) No.3, p.56-59.

The details of the mechanical properties of all materials included in the FE models are listed in Table 1.
All materials used in the simulation were assumed to be homogeneous, isotropic and linear elastic.
Hamidi, Early childhood caries update: A review of causes and treatments, Journal of Natural Science, Biology and Medicine. 4(2013) 29-38
Kakigawa, Three dimensional finite element modelling form CT images of tooth and its validation, Dental Materials Journal, vol. 28, no.2, (2009), 219-226
Zheng, Finite Element Analysis Of Mechanical Behaviour Of Dental Materials, The Internet Journal of Bioengineering, vol. 1, no. 2, (2006)

Footwear nesting were based on its design pattern and manufacturing materials, the results of nesting influence the products quality and cost directly.
Because the clothing sample size are generally apparels, and the used materials are unitary.
Pattern recognition with materials is point to digital expression model in a computer; it’s the premise of Computer Aided Nesting.
Rectangle method is the most commonly used method for most materials, but for those with rectangular shape far parts, only combined different or same parts into an approximate rectangle, so as to improve the utilization rate of materials.
Journal of Zhengzhou University of Light Industry (Natural Science), Vol.26, No.4, (2011), pp.76-78

De Vries: Moisture movement in porous materials under temperature gradients.
Am Journal Vol 44 (1980), p. 892-898
Chemical Engineering Science, vol 54 (1999), p. 3899-3908
Zhang: Mechanism and mathematical model of heat and mass transfer during convective drying of porous materials.
Chemical Engineering Science, 55 (2000), p. 3585-3598

Metametarials may provide special and unique properties of materials.
Journal of Mechanical Science and Technology, 21 (2007) 946-949
International Journal of Mechanical Sciences, 82 (2014) 32-40
Journal of Mechanical Science and Technology, 26(12) (2012) 3873-3884
Haberman, Mechanical design of negative stiffness honeycomb materials, Integrating Materials and Manufacturing Innovation, 2015

Introduction With the significant process in the field of material science and allied fields, many advanced material have been developed recently including MMCs.
Leong: Electro discharge machining of cast metal matrix composites, Journal of Materials Processing Technology, Vol. 44 (1994), p. 229-236
Rosso: Ceramic and metal matrix composites: routes and properties, Journal of Materials Processing Technology, Vol. 175 (2006), p. 364-375
Lee: Comparison between EDM wire cut and laser cutting of carbon fiber composite materials, Materials and Manufacturing Processes, Vol. 6 (2) (1991), p. 331-342
Jain: Experimental studies on WEDC of SiCp/6061 Al metal matrix composite, Key Engineering Materials, Vol. 450 (2011), p. 173-173