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Influence of WC Content on Microstructure and Wear Resistance of (Cu-50Mo)-WC Composites Xin-Le CHENG1,a, Bao-Hong TIAN1,2,b 1 School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471023, China; 2 Collaborative Innovation Center of Non-Ferrous, Henan Province, Luoyang 471023, China alychengxinle@163.com, bbhtian007@163.com Keywords: Spark Plasma Sintering, Cu-50Mo-WC Composite, Wear Mechanism, Wear Morphology.
The above raw materials are weighed according to Table 1.
Journal of Functional Materials, 2007, 38(S): 3188 -3190
Journal of tribology, 2009, 29(1):89-95
Key Engineering Materials, 2011, 464: 492 -495

Materials and methods Test materials Acquisition, sow and flowerpot the Sesbania cannabina Pers. seeds,then dig the seedlings from the soil after it grows four pieces, clean the soil with water,which was cultured in LAN (Hoagland) solution improved, after three days, join different concentration of zinc and cadmium to the solution for two weeks.
[13] Hongmei Gong,Weiguo Li:Journal of Anhui Agricultural Sciences Vol.,37(29)(2009), p.14009-14015.
In Chinese [15] Yuhui Xiong,Xiaoe Yang:Journal of Anhui Agricultural Sciences Vol. 34(13)(2006), p.2969-2971.
In Chinese [16] Peiguo Yuan,Yueqi Gong,Bo Li,Wu Yu; Li Yisong:Journal of Beijing University of Agricultural Vol.25(3)(2010), p.14-17.
In Chinese [21] Haiyan Yuan,Suzhen Huang,Zhi Guo,Yulin Han:Chinese Journal of Applied Ecology Vol. 18(9)(2007)，p.2111-2116.

Wastes in simulated landfill were taken as the research materials in this paper.
Materials and methods Principles and methods of determination for protease.
Journal of Bioscience and Bioengineering,2009,108（4）: 336-343
Journal of Hazardous Materials, 2008,159(2-3) :593-601
Environmental Science, 2001,22(6):91-94.

Table 1 is the mechanic parameters of materials: elastic modulus, passion ratio, bulk modulus, shear modulus, cohesion, inner friction angle and tensile strength.
Table1 Mechanical properties of materials Materials E(MPa) μ K(MPa) G(MPa) c(KPa) φ( °) σt(KPa) Bedrock 1000 0.2 5.56E8 4.17E8 1800 37 900 Sliding zone 15 0.33 1.47E7 5.64E6 5 18.5 2.5 Sliding mass 60 0.3 5.0E7 2.31E7 19 28 8 Concrete （C25） 2.8E4 0.2 1.56E4 1.17E4 2.72E3 53.9 1.27E3 Reinforced bar （HRB400） 2E5 0.2 1.11E5 8.33E4 210E3 0 360E3 The theory of FEM strength reduction At present, the stability analysis of FEM strength in slope stability under static condition is quite mature[6,7].
[6]ZHENG Y R, DEN C J, TANG X S, et al: Engineering Sciences, 3(5):10-36(2007)
[7]ZHENG Yingren, ZHAO Shangyi, ZHANG Luyu: Engineering Science, 4(10):57-62(2002)
[12]ZHENG Yingren: Chinese Journal of Underground Space and Engineering, 6(2):1521-1532(2010)

Magnesium is known to be a material with lower failure strain than other metallic materials.
Magnesium Technology 2009, The Minerals, Metals and Materials Society, 2009, pp. 541-549
Magnesium Technology 2010, TMS (The Minerals, Metals & Materials Society), 2010, pp. 547-552
Yu, Energy Absorption of Structures and Materials, Woodhead Publishing, 2003
Easton, Failure Modes during Uniaxial Deformation of Magnesium Alloy AZ31B Tubes, International Journal of Mechanical Sciences, 52 (2010) 1634-1645

In order to reduce weight, the aviation industry uses lightweight and high-strength aluminum materials, and structures such as aircraft wing frames are machined into a grid girder structure[1-4].
The material used in the analysis was Al7075-T7451, which is the same material used for the actual Structure.
Acknowledgment This project was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and future Planning (No. 2018R1A5A5A05022883).
Kim, in: Investigation of Cutting Conditions for Stable Machining and Machinability Evaluation in Milling Process of Al7050-T7451 by Response Surface Methodology, Journal of the Korean Society of Manufacturing Technology Engineers 23(3), 284-290, (2014.6)
Liang, in: Modeling of residual stresses in milling, The International Journal of advanced manufacturing technology, 65(5) : 717 – 733, (2013)

Polymer composites has been continuously dispatching the conventional materials.
It severally effects the affect the strength and chemical resistance of materials [3].
Journal of material processing technology 89-90(1999). 292-297
Analysis of surface roughness in turning of FRP tubes by PCD tool, journal of materials processing technology 204, pp.342-348
Machining of composite materials.

The key problem of high strength steel plate hot stamping area is discussed , present situation and the prospect is pointed out. 0 Introduction New materials and new processing technology has been the important force for the human society.
This topic is funded by Qiqihar university young teachers' scientific research start-up project (2012k-M18 ) Reference [1] Akerstrom P，Wikman B,Oldenburg M.Material parameter esti-mation for boron steel from simultaneous cooling and compressionexperiments[J]．Modeling and Simulation in Materials Scienceand Engineering，2005，(13)：1291-1308
[2] Akerstrom P，Oldenburg M．Austenite decomposition during press hardening of a boron steel-computer simulation and test[J]．Journal of Materials Processing Technology 2006, 174:399-406
[4] Merkleinl M，Lechler J．Investigation of the thermo-mechanical properties of hot stamping steels[J]．Journal of Materials Pro-cessing Technology，2006，(177)452-455
[6] Naderi M，Saeed-Akbari A，Bleck W.The effects of non-isother-mal deformation on martensitic transformation in 22MnB5 steel[J]．Materials Science and Engineering，2007:1-11

Grinding with WEDM is one of the emerging areas developed to generate cylindrical form on hard and difficult to machine materials by adding a rotary axis to WEDM.
Singh et al. [7] studied the effect of Peak Current on Surface Roughness and Tool Wear Rate using Different Electrode Materials.
Paganetti, " Wire electro discharge grinding: surface finish optimisation" [3] Ahmet Hascalık and Ulas Caydas, " Electrical discharge machining of titanium alloy (Ti–6Al–4V)", Applied Surface Science 253 (2007), PP. 9007–9016 [4] J.C Rebelo , A Morão Dias , Ruy Mesquita and Mário Santos, " An experimental study on electro-discharge machining and polishing of high strength copper–beryllium alloys", Journal of Materials Processing Technology Volume 103, Issue 3 ( 2000), PP. 389-397 [5] B.
Hemath Kumar, " Mathematical modeling of electric discharge machining of cast Al–4Cu–6Si alloy–10 wt.% SiCP composites" , Journal of Materials Processing Technology Volume 194, Issues 1–3(2007), PP 24–29 [7] Shankar Singh, S.
Pandey, " Some investigations into the electric discharge machining of hardened tool steel using different electrode materials", Journal of Materials Processing Technology 149 (2004), PP 272–277

The materials for electrode manufacturing must possess thermal expansion characteristics close to electrolyte and have high electrical conductivity in operating temperature.
This method is considered a simple, low-cost and relatively fast way to obtain materials with good control of their morphology and microstructure.
Takahashi: Science and technology of ceramic fuel cells.
Arai: Journal of the Korean Ceramic Society Vol. 45 (2008), 766
Sato: Journal of Power Sources Vol. 176 (2008), p. 132