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Furthermore, taking waste polyester fiber materials as an example, economic cost analysis is used to assess the feasible ways in recycling waste fiber materials.
The recycling process of waste fiber materials could be divided into two parts: one is that waste fiber materials turn into recycled fibers, and the other is the use of recycled fiber process.
The Model of Three Elements in Classifying the Waste Fiber Materials The classification standards of waste fiber materials aren’t unified currently in home and abroad.
References [1] Liqun Qiu: Textile Science Research Vol. 4 (1997), p. 30-35 (in Chinese) [2] A.
Nee: Journal of Materials Processing Technology.

In this work, we have investigated the influence of underlying materials on the formation of bubbles of a-Si.
An inserting layer of SiO2 was introduced in between SiN and a-Si to improve the density of the lower layer material and the adhesion between the two materials.
Two materials, i.e., PECVD-SiN and PECVD-SiO2, are selected as the underlying materials deposited on Si substrates.
Journal of Materials Science: Materials in Electronics 18 (2007): 405-409
Advanced Science 3.7 (2016): 1500327

Evolutionary Structural Optimization Using the Minor Value of Material Efficiency Xingguo Hu 1, a, Heming Cheng 1,b 1 Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunming, China, 650500 akgtumuhxg@sina.com, bchenghm@public.km.yn.cn Keywords: evolutionary structural optimization; structural topology optimization; minor value of material efficiency; Abstract.
The maximum value of the inefficient material is close to the minimum value of material efficiency, and has nothing to do with the reject rate and the maximum value of material efficiency.
AIAA JOURNAL, Vol. 37(1999),p.1483～1488 [7] Liu Xia, Yi Weijian, Li Q.
Journal of Constructional Steel Research, Vol. 64(2008),p.305～311 [8] Hu Xingguo, Cheng Heming: Evolutionary Structural Optimization Using Material Efficiency Grades.
Applied Mechanics and Materials Vol. 482 (2014),p.317-321

Process hard-brittle materials by quick-point Grinding technology.
They found that these materials also have ductile deformation area.
Process ductile materials by quick-point grinding technology.
Peter: Journal of Materials Science.
Morris: Machining Science and Tech.

This study includes three different cylinder materials, namely aluminum, nickel and titanium.
Several studies can be found in literature for investigating energy diffusion and temperature distribution in materials due to different models of moving heat sources.
The aluminum, nickel and titanium materials will be employed in the study.
J. of Thermal Sciences, Vol. 48 (2009), p. 722
Gulzah: Journal of Thermal Stresses, Vol. 31, Issue 5 (2008) p. 476.

Study on Drilling Force of Pore for Hard-to-cut Material L.Y.
Table 2: Chemical compositions of materials 1Cr18Ni9Ti C ≤0.12 Si 0.1 Mn 2.0 P 0.035 S 0.03 Cr 17.0~19.0 Ni 8.0~11.0 Table 3: Physical properties of material rigidity（HB） ≤229 yield intensity GPa 0.3 tensile strength GPa 0.6 elongation percentage % 55 impact toughness MJ/m2 2.45 coefficient of thermal conductivity W/(m. 0C) 16.3 Simulation and analysis.
Acknowledgements This project is supported by the Natural Science Foundation of GuangDong Polytechnic Normal University and the Doctor Start-up Foundation of GuangDong Polytechnic Normal University.
[2] Kuang-hua Fuh and Chung-Shin Chang, Cutting Performance of Thick Web Drilling with Curved Primary Cutting Tools, International Journal of Machine Tools and Manufacture, Vol.135(1995), p.975-991
International Journal of Machine Tools & Manufacture, Vol.44 (2004), p.1413-1421

The Improvement of the Spin Coater and Its Patented Project Design Naigen Li1,a, Kegao Liu2,b , Yong Xu1,c 1School of mechanical and electronic engineering, Shandong Jianzhu University, Fengming Road, Jinan 250101, China 2School of Materials Science and Engineering, Shandong Jianzhu University, Fengming Road, Jinan 250101, China alinaigen@sdjzu.edu.cn, bliukg163@163.com, cxuyong@sdjzu.edu.cn Keywords: A spin coating method; a spin coater; the film material Abstract.
The spin coater is applicable in fields of microelectronics, semiconductor, plate making, new energy, bio-materials, optical and surface coating technology, mainly used in film production in the sol-gel experiments [1-3].
O’Brien: Journal of Colloid and Interface Science Vol. 314 (2007), p.324 [2] H.
Kim: Journal of Membrane Science Vol. 360 (2010), p.461 [5] T.
Yick: Journal of Power Sources Vol. 172 (2007) , p. 840 [7] F.

Introduction Advances in extreme engineering have accelerated the requirement of new materials for use in very stringent conditions.
Werheit :Materials Science and Engineering B Vol.29 (1995)p.228
[19] M.B.Dobrova,B.I.Kozynkin,V.I.Kalvgin,A.V.Agafonov,A.A.Fadeev,E.S.Sidorenko: Journal of Advanced Materials Vol.1 (1994),p69
Seshadri : Compositional and structural variations in solid state formed boron carbide, Recent Advances in Composite Materials (Intelligent, Smart , Sustainable & Infrastructural Materials) Edited by V.
This paper is under publication in special edition of the Journal"Material Science and Engineering A"

Random Field Model and Material Parameters.
H.: Basic research on the petroleum storage in the depth beded salt rock, Report of National Nature Science Foundation of China, (2008) （In Chinese） [7] R.
P. de Wilde: The use of Monte Carlo techniques in statistical finite element methods for the determination of the structural behaviour of composite materials structural components, Composite Structures, Vol. 32 (1) , 1995, p. 247-253
Q.: Stochastic FEM based On local averages of random vector fields, Journal of Engineering Mechanics, Vol. 18(3) , 1992, p. 496-511
（In Chinese） [15] Zhang M.: Structural reliability analysis--methods and procedures (Science press, Beijing, China, 2009).

Materials and method Materials.
Journal of Applied Polymer Science, 96(2), (2005). 557-569
Journal of Applied Polymer Science, 115(2), (2010). 756-776
Chuangchote, On the electrospinning of poly(vinyl alcohol) nanofiber materials: a revisit, 108(2) (2008). 969–978
Journal of Polymer Science Part A: Polymer Chemistry, 42(24) (2004). 6331–6339