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One materials that has the property of absorbing radar waves is magnetite[1].
In the industrial world such as automobiles and aircraft manufacture, metal materials is vital.
In fact, corrosion is the main problem in the manufacture of metallic materials.
One of the good radar reception materials is having low porosity and density.
Yang, Ronghai Yu, Hydrothermal synthesis of magnetic Fe3O4/grapheme composites with good electromagnetic microwave absorbing performances, Journal of Magnetism and Magnetic Materials 426, (2017), pp. 114 - 120

Simulation of Surface Contact Process and Study of Friction and Wear Mechanisms Fan Yujin1, a, Li Zhekun1 , Liu Jianxiong1 1College of Mechanical and Electronic Engineering, Kunming,University of Science and Technology,Kunming,650093,China afanyujin@kmust.edu.cn, Keywords: Wear, friction, surface contact, surface deformation, finite element Abstract.
Though the development of material science, surface analysis and test techniqu is consumedly promoted, the research of friction and wear is still a complicated question, friction and wear accompanies with the plastic deformation and plastic flow of surface.
Constitutive Model of Material.
References [1] W.Z.Wang, S.Wang, F.Shi, Y.C.Wang, H.B.Chen, H.Wang, Y.Z.Hu: Journal of Tribology, Vol. 129(2007), No.3, p.495 [2] L.Xiao,S.Björklund,B.G.Rosén:Tribology International,Vol.40(2007),No.4,p.694 [3] J.M.You,T.N.Chen:Journal of Mechanical Engineering Science,Vol.225(2011), No.1,p.171, [4] Y.R.Jeng,S.R.Peng:Journal of Tribology,Vol.131(2009),No.2,p.1 [5] L.Li,I.Etsion,F.E.Talke:Journal of Tribology,Vol.132(2010),No.3,p.1 [6] Y.Zheng,S.Wang:Applied Mechanics and Materials,Vol.44-47(2011),p.1251 [7] N.B.Demkin,V.V.Izmailov:Journal of Friction and Wear,Vol.31(2010),No.1,p.48 [8] A.Prasad,M.Dao,S.Suresh:Acta Materialia,Vol.57(2009),No.2,p.511 [9] W.W.
Chen,Q.J.Wang:Journal of Tribology,Vol.131(2009),No.2,p.1 [10] M.Teodorescu,C.Majidi,H.Rahnejat,R.S.Fearing:Proceedings of the STLE/ASME International Joint Tribology Conference(2009),p.79

In addition, porous hybrids are promised materials for scaffolds in the field of tissue engineering.
Color figures are welcome for the online version of the journal.
Conclusions Apatite-polymer hybrid materials can be fabricated in aqueous conditions by using organic substances containing carboxyl groups.
Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.
Clem: submitted to Journal of Materials Research (2003) [6] P.G.

In mathematical models magnetorheological oils are usually represented by Bingham or Herschel-Bulkley theoretical materials.
Magnetorheological oils are constituted of carrying liquid, tiny ferromagnetic particles and of additive materials.
In mathematical models the magnetorheological liquids are usually represented by Bingham or Herschel-Bulkley theoretical materials characterized by a discontinuous flow curve.
Burrows, An appraisal of a proposed active squeeze film damper, ASME Journal of Tribology, 113(4), 1991, 750-754
Rustighi, Design of a novel magneto-rheological squeeze-film damper, Smart Materials and Structures, 15(1), 2006, 164-170

Different strength theory should be applied aiming at different materials during project using.
Finite element model and calculation procedure The failure criteria of composite materials are mathematics functions about the stress (strain).
There are dozens of strength criterions of composite materials at present.
Beijing: Science Press, 2004 (In Chinese)
[5] Chaoyi Peng, Jiayu Xiao, Jingcheng Zeng, et al: Journal of Aerospace Power: 2008, 23(3), 557-562 (In Chinese)

azied.oueslati@utc.fr, bmohamed.rachik@utc.fr, cmarie-France.Lacrampe@mines-douai.fr Keywords: Hyperelasticity, Transverse isotropy, Foams, Multilayered materials, Thermoforming.
Giving their mechanical properties and low manufacturing cost, thermoplastic multilayered materials have proven to be an adequate solution for such applications.
To meet this overall objective, the constituent materials (TPO and PP) and the multilayered sheet are characterized in a temperature range from the room temperature to 120°C.
Xuegang: International Journal of Engineering Science Vol. 49 (2011), p. 342 [7] L.
Yuanming: Computational Materials Science Vol. 55 (2012), p. 157 [8] G.A.

Formic acid, commonly used in bioprocesses of cellulosic polymeric materials, has been considered for the treatment of cellulose-based textile.
Therefore, the diversity of fibers translates into a plethora of textile materials with different properties according to the type of fiber.
Materials and Methods Materials.
[5] Moses, J., and Gnana Priya, K., Comparative Study between Modal and Cotton after Formic Acid Treatment, International Journal of Innovative Research in Science 6 (2017)
S., Analytical methods for a textile laboratory, in Methods for Analyzing Damage in Textile Materials, ed.

Key Engineering Materials, Vol. 455 (2011), pp.575-579
Advanced Materials Research, Vol. 887-888 (2014) No.1, pp.1215-1218
Applied Mechanics and Materials, Vol. 509 (2014) No.1, pp.50-55
Advanced Materials Research, Vol. 902 (2014) No.1, pp.129-134
International Journal of Mechanical Sciences, Vol.41(1999), pp.301-1322

However, the disadvantages of PET such as accumulation of electrostatic charges at materials surfaces usually limit its application in more fields.
Giannaris: Advanced Materials Vol. 12 (2000), p. 750 [7] R.H.
Yoon: Journal of Applied Polymer Science Vol. 99 (2006), p. 900 [11] Y.
Fu: Journal of Applied Polymer Science Vol. 104 (2007), p. 3695 [12] H.
Choi: Chemistry of Materials Vol. 17 (2005), p. 5057 [13] B.

Research on Nano Materials Tennis Rackets Zixin Zhu Department of Physical Education, Huazhong Agricultural University, China zhuzixin2012@yeah.net Key Words: Nano Materials, Tennis Rackets, Performance, Pros and Cons Abstract.
Research the application of nano materials in tennis rackets.
This paper reviews the material development for tennis rackets and analyzes the differences of performance and price of various materials.
Table 2 compares the performance and prices of different tennis-racket materials.
Table 3 compares the performance and costing of common racket materials.