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Journal of Mechanical Strength 2007, 29(4): 653-656
Journal of Zhejiang University 2008, 42(2): 224-228
Journal of China Shipbuilding Institute, 1998, 12(3): 36-41
Journal University of Science and Technology Beijing, 2008, 30(2): 189-192
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Investigation on Forging Process of S20S Connecting Rod and Its Defects Analysis Lu Zhou 1,a , Kai-kun Wang1,b, Shi-lei Song1,c, Lin Lu1, Chong-wei Li1 1School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China azhoulu_ustb@163.com, b kkwang@mater.ustb.edu.cn, c lingtingyulin@163.com Key words: S20S, forged connecting rod, large forgings, defects Abstract.
Therefore, we must select the smelting raw materials strictly, control the content of sulfur and phosphorus, control the slag containing and seal the casting process.
Journal of Materials Processing Technology, 12(2007), p. 591-594 [6] Jun-wei Zhao, Xue-wen Chen and so on.
Chinese journal of Mechanical Engineering, 11(2010), p.2-8 (In Chinese) [8] Y.S.
Journal of Materials Processing Technology, 6(2011), p. 1136-1145

Introduction Zinc oxide (ZnO) is a semiconductor compound that belongs to group II-IV semiconductor materials.
Dutta, Hydrothermal growth of ZnO nanostructures, Science and Technology of Advanced Materials, 10 (2009) 1-18 [5] P.
Lincot,Applied Surface Science Study of the aluminum doping of zinc oxide films prepared by atomic layer deposition at low temperature, Journal applied surface science 264 (2013) 464–469 [6] S.
Caglar, Preparation and characterization of ZnO thin films deposited by sol-gel spin coating method ,Journal of optoelectronics and advanced material. 10 (2008) 2578–2583 [7] H.HChih and H.
Patil ,Aluminium doped zinc oxide films as a transparent conducting electrode for organic light emitting devices, Journal optoelectronics and advanced materials rapid communications 2 (2008) 353–355 [10] H.M Zhou , D.

Materials and Methods 2.1 Materials.
Science;1999; (284):1318-1322
Journal of Membrane Science 2003;225:115-123
Journal of Biomedical Materials Research. 2009;88A(2):448-453
Journal of Microbiological Methods 2003; 54: 403-410

The research on milling force of die steel and other high hardness materials milling in cut-in process are less, and mainly focus on a single cut-in angle in studying milling force under different cut-in manners, which leads that the choosing of cut-in manner can only rely on experience, milling force increases rapidly in cut-in process, tool internal micro-cracks can be asily generated, and even causes the early damage and affects tool life.
Cemented carbideis selected as the cutting tool material, and AISI-D2 as the workpiece material which is from DEFORM-3D material database and matches actual die material Cr12MoV.
Acknowledge This research is supported by National Natural Science Foundation of China (Project approval number:51235003).
Journal of Harbin University of Science and Technology.
A.Young and K.Ma:.International Journal of Machine Tools &Manufacture.

Soil Science Society of American Journal, 55, 291–293
Fikiin., (1999): “Predictive equations for thermophysical properties and enthalpy during cooling and freezing of food materials”.
Soil Science Society of American Journal, 59, 719–726
[11] Ladbury, J.E.S.D., Currel, B.R., Horder, J.R., Parsonage, J.R., and Vidgeon, E.A. (1990): “Application of DSC for the measurement of the thermal conductivity of elastomeric materials”.
K.; Hayakawa, K.; Datta, A. (1996a) Recommended design parameters for thermal conductivity probes for nonfrozen food materials.

Transportation: Transportation of materials between the stations results in losses.
Keeping the materials and appropriate tools in the reachable distance is also reduce the motion wastages. 4.7.
· To reduce the rework of the rejection materials by scrap management system.
· To maintain the shop floor clean and keep the materials and tools in reachable distance.
Deshmukh and Suresh Garg: Lean manufacturing system for medium size manufacturing enterprises: an Indian case, International Journal of Management Science and Engineering Management Vol. 5:5, (2010), p. 362-375 [4] George L.

These system combination materials will lead to improve the materials engineering in dye sensitized solar cell by develop of the quality of nature dye especially life time and materials performance same as silicon.
Methodology Materials.
Solar Energy Materials and Solar Cells. 95(5) (2011) 1362–1374
Solar Energy Materials and Solar Cells. 107 (2012) 87–111
Wang, Y.Jiang, Well-aligned ZnOnanorod arrays from diameter-controlled growth and their application in inverted polymer solar cell, Journal of Materials Science: Materials in Electronics. 22(11) (2011) 1730–1735.

Wong: Journal of materials processing technology, Vol.113 (2001), pp.360-367
Wu: Journal of Materials Processing Technology, Vol.129 (2002), pp.524-528
Osman: Journal of Materials Processing Technology, Vol.71 (1997), pp.247-257
Chen: Journal of Materials Processing Technology, Vol.128 (2002), pp.210-215
Sha: Journal of computer-aided design & computer graphics, Vol.14 (2002), pp.922-927

Tricarico: Journal of Materials Processing Technology.
Zhou: Journal of Materials Processing Technology.
Rezaie: Journal of Materials Processing Technology.
Miller: International journal of mechanical sciences.
Guo: Journal of materials processing technology.