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Lin State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China *yefeng@skl.ustb.edu.cn Keywords: Fe-6.5wt.
Schneider, Production of high silicon steel for electrical applications by thermomechanical processing, Journal of Materials Processing Technology, 143(144), 916(2003) [3] K.
Tian, A New Method for Improving Strength and Plasticity of Steel Wire, Journal of materials Science and technology, 23(2), 273(2007) [9] H.
%Si Alloy Sheet, Materials Science Forum, 749, 151(2013) [10] G.
Li, The application of the electro-plastic technique in the cold-drawing of steel wires, Journal of Materials Processing Technology, 84(1), 268(1998)

Sciences, Part B. 39, (2001), p.771
[4] Li J.C., Wu B.C, journal of materials sciences 11, (1976) p.445-458
Peterlin, Journal of.
Materials Sciences 6, (1971) p.490-501
Material and design, 32 (2011)1515-1519.

The influence of ferrite materials to NFC antenna ZHAO QING1, a ,LIANG Di-fei1, b,LI DONG-YUE1, c 1State key Laboratory of Electronic Thin Films and Intergrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China; aqz15108306167@163.com, bdfliang@uestc.com,clidongyue1989@126.com Keywords: Ferrite Sheet ;NFC Antenna ;Frequency Drift;Impedance; Abstract The electromagnetic (EM) shielding sheets,ferrite materials, ofen sandwiched between NFC (Near Field Communication) tag and metal to increase its detection distance.
However, the addition of this ferrite materials could affect the NFC antenna other performance at the same tine, especially the impedance and working frequency.
In this paper and investigation, we proved that ferrite materials have an abvious influence on NFC antenna impedance and working frequency via HFSS and ADS simulation.
Sodor B[6]did some research about establish a non-contact university examination by NFC technology.And ferrite materials are used between between NFC antenna and metal to increase its detection distance[7].
And 1of the model is dielectric material, 2 is the antenna , 3 is magnetic material.The antenna parameters we select are as follows: long 44 mm ,wide 42 mm , line wide 1 mm , line spacing 0.5 mm.Considering the influence of magnetic materials for antenna parameters, we sets the dielectric to be fixed 4 (FR materials), 0.001.The thickness of magnetic base plate is set to 0.15 mm, the thickness of the dielectric material is set to 0.8 mm (close to the mobile phone shell thickness).

Sepiolite mineral nanofibers are typical porous materials widely existing in nature and have many nanometer level micropore and mesopore, which could play an active role in many fields such as thermal insulation functional additive for composite materials.
Composite materials were characterized by SEM and TEM.
Moya, et al.: Journal of the European Ceramic Society, vol. 28(2008), p.1763 [5] A.
J.Fripiat: Microporous Materials, vol. 5(1995), p.135 [6] R.
Camino: Materials Science and Engineering: C, vol. 29(2009), p.1433 [15]N.

Moreover, the material is generally presumed to be rigid perfectly plastic.
Their theoretical model assumes an elastic plastic material with linear strain hardening.
The authors gratefully acknowledge the support by Warsaw University of Technology under Grant No N501 156038, Ministry of Science and Higher Education (Poland).
Symonds, Large deformations of beams under transverse impast, Journal of Applied Mechanics 19 (1952) 308-314
Nowacki, New applications of Hopkinson's pressure bar technique for determining dynamic behaviour of materials, Journal of Theoretical and Applied Mechanics, 34 (1996) 259–280.

A Theoretical Model of Strain Measurement System of Membrane Materials in Biaxial Tensile Tests Mesrop Andriasyan1,a* 1Textiles HUB, Politecnico di Milano, ABC department, 9, Bonardi street, 20133, MI, Milan, Italy amesrop.andriasyan@polimi.it Keywords: Tension membrane materials, structural test, biaxial rig, strain Abstract.
Tensile tests may be applied to a wide range of materials both rigid and flexible.
Each one of them has the possibility to extend or contract with the material and log the change in the distance between the two connection points.
The Textiles Hub provided access to its facilities, equipment and information about testing procedures References [1] Testing method for elastic constants of membrane materials, Mebrane Structures Association of Japan, 1995
Korsunsky, "The height Digital Image Correlation (hDIC) technique for the identification of triaxial surface deformations," International Journal of Mechanical Sciences, no. 159, p. 417–423, 2019

Therefore, KGM/starch composite films are potential biodegradable film materials.
Starch is a green polymer materials are available in all environments, complete biodegradability.
Experimental Materials.
Therefore, KGM/starch composite films is a potential biodegradable films materials.
[10] Li Na-na, Chen Huan-bei, Pan Xing-hua, Dong Hui, Chen Qing-hua: Journal of Kunming University of Science and Technology (Science and technology),Vol.34(2009), p.23.

However, while conducting initial trials the inability of the jet to cut through the workpiece is a major problem particularly in thicker materials.
The erosive process for pure ductile and brittle materials in AWJC have been found to exhibit similar mechanisms just like in the conventional erosive process [5].
Hashish: Journal of Engineering Material Technolology Vol.106 (1984), p.88 [5] J.G.A.
Wang: International Journal of Mechanical Sciences Vol.49 (2007), p.306 [8] A.
Wang, and Guo, D.M: Journal of Materials Processing Technology Vol.121(2002), p.390 [11] http://www.nlreg.com

Nanometer materials have novel physical, chemical and biological properties, which have gain wider application for pollution prevention, detection, monitoring and remediation of pollutants, such as heavy metals, inorganic and organic pollutants.
Many different nano scale materials have been explored for remediation.
A report mentioned that nanoscale materials could damage fish brains [10].
Bajpai, Nanotechnology for site remediation, Remediation Journal, 19 (2008) 99-108
Goho, Tiny trouble: nanoscale materials damage fish brains, Science news, 165 (2004) 211-211

The results show that the materials are Bi-rich, exhibiting preferred (110) orientation with rhombohedral structure.
Toberer: Nature Materials vol. 7 (2008), p. 105-114
Xue: Advanced Materials vol. 22 (2010), p. 4002-4007
Stacy: Journal of the Electrochemical Society vol. 149 (2002), p.
Lecuire: Journal of Crystal Growth vol. 277 (2005), p. 274-283