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Cathode materials, traditionally used in industries, such as LiCoO2 , LiNiO2 , LiMn2O4 have pretty good electric performance, but expensive raw materials and toxic cobalt make them unsuitable for large-sized batteries production [1].
The cathode material LiFePO4 (LFP) is the best studied material among cathodes of the polyanion type (class of materials with tetrahedral structural unit (XO4)n-, and its derivatives (XmO3m+1)n- where (X=P, S, As, Mo, W), connected with the polygons MOx, where М is transition metals) [2-4].
However, as many other similar cathode materials of the polyanion type, Li2FeSiO4, still has insufficient conductivity (6*10-14Cm/cm) [8].
Hu, et al., Journal of Alloys and Compounds, 572, (2013), 158–162 [17] C.
A 30(1), (2012) [23] Popovich A.A., Van Quing Shen, Material Science Issues, 2(74), (2013), 59-63

Its metal materials components often fall under times alternate stress in the using process.
Fig.1 Optical fiber F-P sensing system Ultrasound detecting theory and experiment devices If metal materials have internal defects, the internal medium of materials will come into being discontinuity.
Composites Science and Technology, 2008, 38(15-16): 3093~3098
Composites Science and Technology, 2006, 66(5):676~683
Journal of optoelectronics.

Free Vibration Analysis of Anisotropic Composite Materials of a Fixed-Wing Nahla Alhazmi* Center of Excellence for Aeronautics & Astronautics, National Center for Composite and High-Performance Materials Materials Science Research Institute, King Abdulaziz City for Science and Technology, Riyadh, 11442, Saudi Arabia *Correspondence: nalhazmi@kacst.edu.sa Keywords: Vibration; Natural frequencies; Composite; Dynamic behavior; Deformation.
Nowadays, the availability of composite materials and their acceptable manufacturing cost, in addition to their high strength-to-weight ratio, has shifted the use of the materials from metal alloys to composite materials in the aircraft industry.
Wing Materials and Properties Three different composite materials with anisotropic properties have been used as the wing materials for comparison with the metal alloys aluminum alloy AL2024 and 7075-T6.
Materials , 13, 2213. 2020
Öncü, Properties of FRP materials for strengthening, Int.

The technique can employed to classify the test materials effectively and explicitly.
Section IV demonstrates a method to classify several materials, which are: hard plastic, iron, silicon rubber, vinyl eraser and hydrogel.
Carry, “Introduction to the quartz tuning fork,” American Journal of Physics, Vol. 75, No. 5, pp. 415, May 2007
,” Current Opinion in Colloid & Interface Science, Vol. 13, No 5, pp. 351–367, Oct 2008
Leea and B.Friedmanb, “Hard disk magnetic domain nano-spatial resolution imaging by using a near-field scanning microwave microscope with an AFM probe tip,” Journal of Magnetism and Magnetic Materials, Vol. 321, No. 16, pp. 2483–2487, Aug 2009

The software lays a good foundation for producing more advanced steel materials.
The software can provide some information for production of advanced materials such as super clean steel material.
Journal of Northeastern University( Natural Science), Vol. 32 (2011), p. 524
Journal of Northeastern University( Natural Science), Vol. 29 (2008), p. 1725
High temperature science, 21(1986), p. 143

The Research of the Green Buffer Packaging Materials for the Small Pieces of Express Items Ye Liu 1, a, Shihang Wang 1,b 1Packaging Engineering Department, Zhejiang Sci-Tech University, Hangzhou 310018, China aliuyehz@163.com,bjx8123@163.com Keywords: Express packaging;Bamboo buffer packaging material;Bamboo pulp;Green package materials; Foaming technology; Buffer curve; Abstract.
Add 40g bamboo powder and bamboo pulp as the original reaction materials, and then contrast the foamed productions.
This article has been studied for various ratio of raw materials and processing conditions in its manufacturing process.
Journal of Applid Polymer Science, 2011, Vol. 119(6):1623~1626
Environmental Protection Science. 2004,30(5), pp.34-36 [6] BIANLi Ping.

This research aims to make composite materials from used plastics, clay materials, and charcoal.
Clay and charcoal materials is commonly used for ceramic materials that can improve the strength of ceramics [10].
The investigated composite materials are expected to be alternative materials for roof and wall materials.
Law, Production, use, and fate of all plastics ever made, Science Advances, 3(7) (2017) 25–29
Vuono, Chiappetta F, Concrete products with waste’s plastic material (bottle, glass, plate), Materials Science Forum, 514–516(PART2) (2006) 1753–1757

Fracture analysis near interface crack tip for mode I of orthotropic bi-materials Anqiang Dong1,a, Weiyang Yang1,b and Junlin Li1,c 1School of Applied Science,Taiyuan University of Science and Technology,Taiyuan030024,P.R.China adongaq001@hotmail.com, byangweiyang@sohu.com, clijunlin9726@yahoo.com.cn Keywords: interface crack for mode I; stress intensity factor; stress; displacement; orthotropic bi-materials Abstract.The mechanical behaviors near interface crack tip for mode I of double dissimilar orthotropic composites are studied.
Introduction The fracture analysis near interface crack tip for mode I of double dissimilar orthotropic composite materials is done in this paper.
Mechanical model Suppose that the part of is the upper orthotropic material , the elastic constants of which are and ；the part of is the lower orthotropic material,the elastic constants of which are and ； the part of , is the crack surfaces; the part of , is the bonded interface of two dissimilar materials.
[2] F.Erdogan, B.H.Wu:Journal of the Mechanics and Physics of Solids, Vol.41(1993), p.889
Journal of Taiyuan University of Science and Technology, Vol. 27(2006), p.118

In these years, the newly developed functionally graded materials (FGMs) with continuously varying properties have been designed and manufactured [1].
Materials Science Forum, vol.308, pp.13-18,1999
Asaro, “Crack deflection in functionally graded materials.”
Zhong, “Fracture analysis of functionally graded interfacial zone between dissimilar homogeneous materials.”
Computational Materials Science, vol.42, no.1, pp.122-129, 2008.

Investigation on the Properties of the Brake Friction Materials for Oil Driller Jiazhi Yuana, Jing Zengb, Zhenxin Duanc, Wen Peid and Hua Chene* of Material Science and Engineering, Changchun University of Technology, Changchun 130000, China.
And there are also some fiber-free friction materials, such as powder metallurgy materials using the reinforced particles [11-13].
Henan Science and Technology, 2013 (21): 25-25
Natural Science Journal of Jilin University of Technology, 1997 (3): 73-77
Insulating Materials 1999 (5): 31-32