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Online since: November 2012
Authors: Fa Ping Zhang, Bo Gao, Juan Han, Yun He, Zhan Chun Sun
Table 1 Indexing vocabulary part classification information attribute name attribute value part information part type frame(0), beam(1), rib(2), bulkhead(3), Adapter(4), other(5) part material titanium alloy(0), aluminium alloy(1), magnesium alloy(2), steel(3), other(4) processing information machine type turning lathe(0), milling machine(1), drilling machine(2), boring machine(3), planing machine(4), numerical control machine(5), other(6) Processing precision rough machining(0), semi finish machining(1), finish machining(2) Heat treatment normalizing(0), tempering(1), quenching(2), annealing(3), other(4) Production batch mass(0), medium(1), small(2), single(3) Machining features type plane(0), periphery(1), inner bore(2), step face(3), Cavity(4), slot(5), other(6) clamping information primary orientation face type plane(0), excircle(1), inner bore(2), step face(3), cavity(4), slot(5), other(6) locate mode three plane(0), two sells at the same face(1), Bedding face short pin(2),
The part material similarity, for example, is shown in Table 2: Table 2 The part material similarity defination similarity titanium alloy (0) aluminium alloy (1) magnesium alloy (2) steel (3) other (4) titanium alloy (0) 1 60% 70% 50% 40% aluminium alloy (1) 60% 1 80% 60% 50% magnesium alloy (2) 70% 80% 1 50% 40% steel (3) 50% 60% 50% 1 80% other (4) 40% 50% 40% 80% 1 Shape Similarity.
Journal of Computing and Information Science in Engineering. 1(2006)40-48
Online since: October 2013
Authors: Zhong Bin Liu, Juan Tang, Huan Wang, Jin Mao
Numerical Simulation and Experimental Study on Oil-water Separation of Fiber Bundle Filter Zhongbin Liu 1,2,a, Juan Tang 1,2,b , Huan Wang 1,2,c , Jin Mao 3,d 1Sichuan University of Science&Engineering,Zigong 643000,China. 2Sichuan Provincial Key Lab of Process Equipment and Control, Zigong 643000,China. 3School of Mechanical Engineering and Automation of Xihua University, Chengdu 610039, China.
The equilibrium equation of material is (2) where the mass transfer rate equation is ¶C/¶L=-lC, which includes Coefficient of filtration l, mass transfer coefficient l0 and correction coefficient ω.
The body force equation is displayed as follows: (5) The physical field equation for material transmission of multi-porosity medium is described as follows: (6) Numerical Simulation There are many factors which have an influence on filtration effect of fiber bundle filter.
Material transmission of multi-porosity medium: Initial concentration c=0, velocity field u= fp /fp1 in free flow model, liquid diffusion coefficient DF, C =10-6 m2/s, inflow concentration c0.
Journal of Filtration & Separation, 2008, 18(1).
Online since: January 2012
Authors: Feng He, Jing Zhao, Hao Yu Wang
At first the material properties have been given to the parts of the suspension, after measured and calculated by UG, the single-side unsprung mass of the rear suspension (312 kg) and its sprung mass in full load (3257 kg) are known.
[2] Fang Ruihua: Air Suspension Technology and Developing Trend, Journal of Tongji University(Natural Science), Vol. 30(2003), pp. 1072-1076
American Society for Testing and Materials, Vol. 2, Philadelphia (1990) [7] YI K, HEDRICK K: The effect of alternative heavy truck suspensions on flexible pavement response.
Online since: December 2013
Authors: Cong Cheng
Introduction All those published on the network in digital form and helpful to teaching can be referred to as digital teaching resources, such as online courses, test bank, multimedia materials, e-books, teaching cases, courseware, references and so on.
Then, the management personnel shall classify these resources into several categories, i.e. engineering, natural science, literature, philosophy, and education, etc, each containing teaching plans, courseware, material library, papers and FAQs, etc.
References [1] Huang Linna, Liu Fenghua, et al, (2013) Research on the Sharing Mode of Digital Educational Resources Based on Cloud Computing [J], Journal of Xingtai University, Jun. pp.163-168 [2] Zhang Huainan, Yang Cheng, (2012) Research on the Digital Teaching Resource Construction of Beijing Colleges & Universities Based on Cloud Computing [J], Modern Educational Technology, Jun. pp. 44-50 [3] Research on Application of Cloud Computing in the Building Monitoring System [D] by Wan Shi, June 2012.
Online since: October 2008
Authors: Hui Bin Qin, Shu Fang Wu, Z.L. Hou, Zong Yan Wang
Choosing cutting parameters Logical decision-making and calculated decision-making Reasoning and matching Edit Modify Acquire figure and material characteristic parameter of blank model Uniform manufacturing model based on machining feature Machining feature parameters database Database for feature process correlation, machine, tools, cutting parameters Component model including intact process information Key Technologies Uniform Manufacturing Model. 3D feature component model including geometric configuration, technological specifications, is regarded as design model.
Acknowledgments The authors are grateful to the project supported by the youth natural science foundation in North University of China, for its support and the facilities extended to them in carrying out this work.
Ruan and K.Yamasaki: Journal of Materials Processing Technology, Vol. 174 (2006), pp.74-81
Online since: January 2005
Authors: T.Y. Hsu, Shipu Chen, Xing Huang
Hsu (Xu Zuyao)c School of Materilas Science and Engineering, Shanghai Jiao Tong University, 1954 Huashan Road, Shanghai 200030, China a Xhuang72@sjtu.edu.cn, bspchen@sjtu.edu.cn, czyxu@sjtu.edu.cn Keywords: FeMnSiCr alloy, rare earth, shape memory effect, martensitic transformation, segregation, stacking fault energy, Shockley partial dislocation.
They look promising to be used, at large scale, as the material of tighteners or pipe couplings due to their low cost and good workability.
Mater., Shape Memory Materials, Tokyo, Japan, 1988, Vol. 9 (MRS, Warrendale, PA, 1989), p. 451
He, et al.: Journal of Shanghai Jiao Tong University Vol. 33 (1999), p. 765
Online since: April 2012
Authors: Mohd Faizal, Md Seri Suzairin, Sh. Ezamuddin, Vijay R. Raghavan
Introduction Fluidization is a process where a granular material is converted from a static solid-like state to a dynamic fluid-like state by passing up fluid through the granular material.
While high tangential velocity may lead to faster rate of material processing due to intense swirling, low pressure drop is important to ensure minimal power consumption.
Martin, “Experimental studies on a swirling fluidized bed with annular distributor” Journal of Applied Sciences. 11 (2011) 1980-1986.
Online since: April 2008
Authors: Zheng Wang, Mao Zhong An, Jie Yu, Xu Ri Hu
., Taian 150001, China 2 Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China 3 Department of Material Science and Engineering Chemistry, Harbin Institute of Technology, Harbin 150001, China 4 Zhaoyuan Jinbao Electronic Co., Ltd, Zhaoyuan 265400, China a,c snail006@sina.com, bmzan@hit.edu.cn, d Huxuri@yahoo.cn Key words: Electrolyte copper foil; Nano-electroplating; Zn-Sn-Ni ternary alloy; Corrosion resistant; Electrodeposition behavior Abstract.
Introduction As an important kind of dominant industrial material for PCB, electrolyte copper foil is well anticipated in the market of electronic industry.
Experimental Material and Method The electrolyte solution contained the following major components: (K4P2O7·3H2O), ZnSO4·7H2O, SnSO4, NiSO4·6H2O, and pH value was adjusted by KOH.
Pushpavanam: International Journal of Hydrogen Energy Vol. 27 (2002), p. 627 [4] Elkhatabi, F, M.
Online since: October 2005
Authors: Yi Lun Zhu, S.R. Wang, A.P. Qiu
Qiu Instrument Science and Engineering Department, Southeast University, Nanjing, 210096, China Keywords: MEMS Gyroscope, DETF, Resonator, Frequency Shift, Frequency Modulation Abstract.
In the case, dω = rω , r m m QA x 2 ω = , (5) where r Q ξ = 2 1 is quality factor of the DETF driving mode. r r fπ=ω 2 ( fr is the natural frequency in DETF driving mode) is determined mainly by structural material properties and geometry parameter.
The natural frequency of a drive mode can be given by the expression [5] ( )b r m.mL WED f 37501 12 7 3 +       π = , (6) where D, L, W is, respectively, the thickness, length and width of the beam, E is the Young's modulus of the material of the device, m is the mass of perch attached to the center of the beam and mb is the mass of the tines.
Note that S is only dependent on material and geometrical parameters.
Howe: Journal of Microelectromechanical Systems, Vol. 11, 2002
Online since: July 2011
Authors: Kai Guo Fan, Jian Guo Yang, Li Yan Yang
The work piece is an oval flange as shown in Fig.1; the work piece material is the AISI 1045 steel.
Acknowledgements The paper is Sponsored by the Important National Science & Technology Specific Projects of “Top Grade CNC Machine Tools and Basic Manufacturing Equipment” (No.2009ZX04014-22).
Yang, et al: Chinese Journal of Mechanical Engineering, in press [2] P.
Yang: Advanced Materials Research Vols. 189-193 (2011)
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