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Box 64, Chéraga, Algeria 3Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, 04353 Kosice, Slovak Republic.
Experimental Methods The hard material used in this study is WC-10% Co with 13 mm diameter, 9 mm in thickness and AISI 1020 steel with 0.21% of carbon, the main compositions of the base materials were shown in table 1.
Table 1: Chemical compositions of base materials and filler alloy used in this study.
The filler alloy has a good wettability and fills up the gap between the base materials (WC-Co and the AISI 1020 steel).
Journal of Refractory Metals and Hard Materials Fracture toughness of cemented carbides : Testing method and microstructural effects,” 2014

It has been applied to the fields of materials, energy, construction, waste management and so on, to evaluate the environmental impact of materials or products in the whole life, include the process of manufacture, use, recycle, abandon and disposition[2,3,4].
Analysis showed that with different equipment matches, materials and energy flow of the system is different.
And the evaluation index system of wood fiber preparation in line with our specific environmental behavior is determined by reference to the Life Cycle Assessment study abroad and the research on consumption of resources, materials, chemical industry in china.
Different materials of each category will be transformed and aggregated into one single unit, with environmental load index method, and got the comprehensive environmental load of each impact type.
Acknowledgements This work is financially supported by the National Natural Science Foundation (31070499/C160302).

Duralumin (AL2011) was used as the base material in place of the stainless material (SUS304), and the excess material was cut.
Matsui, "A prototype model of micro mobile machine with piezoelectric driving force actuator," in Proceedings of 5th International Symposium on Micro Machine and Human Science 1994, p. 47
Hattori, "Characteristics of piezoelectric locomotive mechanism for an in-pipe micro inspection machine," in Proceedings of the Sixth International Symposium on Micro Machine and Human Science (MHS '95) 1995, pp. 193-198
Suzumori, "A micro snake-like robot for small pipe inspection," in Proceedings of 2003 International Symposium on Micromechatronics and Human Science (MHS 2003), 2003, pp. 303-308
Ishida, "Development of an MRI Compatible Surgical Assist Manipulator using Spherical Ultrasonic Motor (1st report)-Prototype of the Spherical Ultrasonic Motor-," Journal of the Japan Society for Precision Engineering vol. 73, no. 2, pp. 275-280, 2007 (in Japanese).

Since June 21 2009, the influent was replaced by effluent of primary sedimentation tank in a sewage treatment plant, therefore, inorganic and organic matter in sewage were deposited in pore of filtration materials and caused hydraulic transformation performance and removal of COD decreased rapidly.
Environmental Science and Technology,Vol.28(2)(2005), p.141-146
Environmental science, Vol.25(3)(2004), p.144-149
Environmental science, Vol.29(3)(2008), p.627-631
Journal of Wuhan university of technology, Vol.30(7) (2008), p.79-83

Consequently, it has been widely applied as raw material of various biomedical products [5,6].
Experimental Materials.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (21077024) and the Postdoctoral Science Special Foundation of China (200801239).
Journal of Fuzhou University (Natural Science), Vol. 36 (2008), p. 152 (In Chinese) [10] Paul L.

All sorts of unclean mostly include conducting material (soluble or not soluble) and moisture absorption material.
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[4] Yang Lunbiao, Fuzzy mathematics application and principle, Guangzhou: South China university of science and technology, 2000,67-80
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[19] Zhang ,lin, Ruxin liu, "Transmission Line Insulator Contamination Flashover Mechanism ".Journal of Electric Power, 1999, 14(2):87-90

[5] Jie Dong, Metallurgical and Materials Transactions A, Jan. 2005, pp 75-78
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[11] Yubo Zuo, Materials Science and Engineering A, Oct. 2005, pp286-292.

Experiment Materials.
These materials were supplied by Syarikat Sainfik Bersatu, Sdn.
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Introduction Aluminum matrix composite materials have the advantages of high specific strength, specific stiffness, excellent wear resistance, low thermal expansion coefficient, etc., and are the preferred materials for lightweighting of brake systems in industries such as automobiles and rail transportation [1-3].
Experimental Materials and Methods The outer layer of the layered composite material is A390 alloy, and the inner layer is 7050 alloy.
[3] D.Zhang, G.D.Zhang, Z.Q.Li, The current situation and development trend of metal matrix composites, Materials China 29(4) (2010) 1-7
Wang, Technical and Applied Research of Al-Zn-Mg-Cu-ScZr Alloy Rheo-squeeze Casting, University of Science and Technology Beijing, 2014
[9] P.Liu, T.Liu, Q.D.Wang, Research Progress on Liquid-Solid Bimetal Compound Casting, Materials Review 28(1) (2014) 26-30

Glass-ceramic materials are polycrystalline solids with a residual glassy matrix normally obtained by a controlled crystallization process of suitable glasses generally induced by nucleating additives [6,7].
Lately, glass-ceramic materials have demonstrated increasing potential of application in situations where better mechanical, chemical, and thermal performances are required [6,9].
The parent glass was prepared with appropriate amounts of the raw materials: Quartz-Minasolo; Al2O3-CT300 Almatis; Li2CO3-PA Dinâmica Química Contemp.; H3BO3-PA Ultra; ZrSiO4-Minasolo; MgO-Buschle & Lepper.
Oxides SiO2 Al2O3 MgO Li2O ZrO2 B2O3 Composition (wt %) 64.74 17.92 4.14 4.60 4.00 4.60 Raw materials were mixed in an aluminous porcelain mill containing alumina grinding media.
Duke: Journal Materials Science (1969), p. 340