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Online since: December 2013
Authors: Shu Xun Li, Jian Hua Hu, Qiang Wei Ding
The material allowable stress in this condition is 102.1MPa, so the valve in the normal working condition can meet the strength requirement.
References [1] SHANG Cuixia, WANG Yong and XIE Yudong, in: The fluid-structure interaction features of control valve, volume 38 of Journal of Shangdong University (Engineering Science), chapter, 6(2008), p. 11 [2] TIJSSELING A S, VARDY A E, in: Water hammer with fluid-structure interaction in thick-walled pipes, volume 85 of Computers & Structures, chapter, 11(2007), p. 844 [3] R.D.
Haddadpour, in: A fluid-structure interaction model for stability analysis of shells conveying fluid, volume 26 of Journal of Fluids and Structures(2010), p.747 [4] TIJSSELING A S, VARDY A E, in: Fluid-structure interaction and transient cavitation tests in a T-piece pipe, volume 20 of Journal of Fluids and Structures, chapter, 6(2005), p.753 [5] LIU Jianrui, LI Chang and LIU Lianglian, in: Fluid-soild-heat Coupling Analysis for High-temperature and High-pressure Nuclear Power Gate Valve, volume 40 of Fluid Machinery, chapter, 3(2012), p.16 [6] Tao Wenquan: Heat Transfer Theory (Northwestern Polytechnical University Press, Xi'an 2006)
[7] Shuxun Li, Jianhua Hu and Liancui Li, in: Stress analysis of ultra-supercritical and electrical three-way valve body intensity in a high pressure heater using FEM, volume 605 of Advanced Materials Research(2013), p.784 [8] ASME,Boiler and Pressure Vessel Code Section Ⅷ,Rules for Construction of Pressure Vessels, Division 2 Alternative Rules.
Online since: February 2012
Authors: Tong Liu, Xiao Ping Liao
The transmission lines of CPW are formed by Au, and the materials for the positive and negative conductors of the thermopile are Au and GaAs.
Acknowledgments This work is supported by National Natural Science Foundation of China (61076108, 60976094).
Chinese Journal of Semiconductors, 2011, 32(7) [3] Wang D B and Liao X P.
Chinese Journal of Semiconductors, 2009, 30(4): 044010-4 [5] Dehe A et al.
Chinese Journal of Semiconductors. 2009, 30(5): 054006 [8] Kozlov A G.
Online since: January 2017
Authors: Weerin Wangjiraniran, Wisanu Sairatanathongkham
Clinker is the main raw material for cement production of various types.
Besides, alternative fuel is used for materials that are suitable for production and CO2 mitigation which do not affect the quality and demand in the future.
Ahmaruzzaman,: submitted to Journal of Progress in Energy and Combustion Science (2009) [6] E.R.
Bragança: submitted to Journal of Cleaner Production (2016) [7] Cement Road Map, Cement Technology Roadmap 2009 Carbon emissions reductions up to 2050, Report of the International Energy Agen and World Business Council for Sustainable Development, 2009
Ishikawa: submitted to world of coal ash Conference (2007) [10] Jaturapitakkul, C: submitted to Thailand Concrete Association Journal (2015) [11] PDP2015,Thailand Power Development Plan 2015-2036, Report of Energy Policy and Planning Office Ministry of Energy, 2015
Online since: December 2014
Authors: Yong Feng Zheng, Yu Feng Shu
Fig.5 X, Y displacements variation history of case 1 Fig.6 X, Y displacements variation history of case 4 Seen from the calculation results, the maximum stress under all cases are less than the material yield limit 600Mpa.
Journal of Sound and Vibration, 2006,830-844
Modal analysis and optimization of forklift frame based on finite element: submitted to Journal of Light Industry Machinery (2008), p, 48-50
Applied Mechanics and Materials, 2011:130-134
Strength calculation and modal analysis of subway stainless steel body: submitted to Journal of Urban Rapid Rail Transit (2007), p, 47-49
Online since: December 2009
Authors: K. Mohammadi, A. Dravizeh
Brochu , Fabrication of bulk nanostructured silver material from nanopowders using shockwave consolidation technique , Materials Science and Engineering A 487 (2008) 219-227 2-Michael T.
Marquis, Explosive compaction of YBCO discs: a numerical approach , Journal of Materials Processing Technology 161 (2005) 36-41 4-Laszlo J.
Hall, Microstructural effects in hot-explosively-consolidated W±Ti alloys , Journal of Materials Processing Technology 94 (1999) 247±260 5-M.
Carton, The double explosive layer cylindrical compaction method , Journal of Materials Processing Technology 85 (1999) 115-120 6-F.D.S.
Mamalis , Shock synthesis and densification of tungsten based heavy alloys , Journal of Materials Processing Technology 161 (2005) 113-120 7-A.G.
Online since: September 2011
Authors: Qing Zhang, Zhi Qiang Wang
Lining material.
Acknowledgments This work was supported by the National Natural Science Foundation of China (10972072).
[2] J.S.Zhuo, Q.Zhang: Interface Stress Element Method of Discontinuous Mechanics (Science Press, China,2000) (In Chinese)
Zhuo: Chinese Journal of Rock Mechanics and Engineering,Vol.19(2000) No.3, p.285 (In Chinese)
Zhuo: Chinese Journal of Computational Mechanics, Vol.22(2005) No.1, p.8 (In Chinese)
Online since: February 2012
Authors: Yong Li, Zhi Qiang Sun, Rui Zhu Zhang, Yu Xin Zhang
Parts analysis (1) Material characteristics.
The plastic material is the thermoplastic materials ABS, it has the prominent mechanical properties and the integrated performance, becomes an important engineering plastics[2],as shown in Figure1.The material’s density is 1.03-1.07g/cm3, the tensile is 30~50MPa, the bending is 41~76MPa, the tensile elastic modulus is 1587~2277MPa, the flexural elastic modulus is 1380~2690MPa, the shrinkage ratio is 0.5%.The material has good properties of heat-resistance , corrosion resistance and the bigger knockout; and the precision class for the high accuracy (3 levels of precisions), product requests outward appearance varnish, not varicolored, non-contraction patterns and so on
Acknowledgements This work was supported by the youth science funds (HSQJ2009012), and was supported by the “948” Science and Technology foundation(201015).
References [1] JanGolinski.Optional Synthesis Problems Solved by means of Nonlinear Programming and Rand Method[J].Journal of Meehanisms,1970,Vol.5,No.3,287-309 [2] Xichang Yuan.
Journal of Polymer Engineering,1986,7:21-45
Online since: May 2011
Authors: Yang Wang, Yong Xia, Jin Song Zhang, Hong Song Li, Shi Bing Dai, Zhong Tang
Both of them belong to the sandstone cultural material, but their composition and character are different.
Because natural stone material isn’t uniformity texture, the surface is also coarse, so we cannot measure the tiny change of size by traditional tools such as vernier caliper.
The stones materials are porous, its chemistry and physics weathering effects become more obvious, at the high temperature and humidity in the box, because of capillarity and infiltration, plenty of water is absorbed, and the structure of jello is destroyed.
Acknowledgments This work was financially supported by the National Natural Science Foundation named “The invalidation research about material performance of sand stone cultural relics under the control environmental factors” (40772167), The experiment was supported and funded by Hongsong Li from Chinese Academy of Cultural Heritage and Shibing Dai from Tongji University.
Conferences [1]Linqin Wang, Gaochao Dang: Journal of Materials Science & Engineering in Chinese Vol.22(2004), p.778 [2] Hongsong Li: Chinese Journal of Rock Mechanics and Engineering vol.27(2008),p.2825 [3] Gaofen Shao: The Preparation and the Performances of Protective Coating in the Conservation of Stone Cultural Relics, master’s dissertation, (2007), p.12 Information on http://www.cnki.net
Online since: March 2010
Authors: Wei Jun Liu, Wei Wang, Feng Jie Tian, Guang Yang, Lan Yun Qin, Fei Xing
Research on Cladding Nickel on Copper Crystallizer Using Laser Metal Deposition Technique Guang Yang1, 2, 3, a Weijun Liu 1, b Wei Wang 3, c Fei Xing1, d Fengjie Tian1, e Lanyun Qin3, f 1 Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, 110016, China 2 Graduate School of Chinese Academy of Sciences, Beijing, 100039, China 3 Shenyang Institute of Aeronautical Engineering, Shenyang, 110134, China a yangguang@sia.cn bwjliu@sia.cn cwangw@syiae.edu.cn dxingfei@sia.cn e tianfj@sia.cn fqinly@syiae.edu.cn Key Words: LMD, Laser Cladding, Bonding interface, erosion resistance, crystallizer Abstract: To increase the strength and erosion resistance of Copper Crystallizer, the system based on Laser Metal Deposition (LMD) process was proposed to clad nickel-based alloy on its surface.
Laser Metal Deposition (LMD) is an advanced laser materials processing technique, which is wildly used in manufacturing, part reparation, surface modification.
Furthermore, copper exhibits a similar thermal physical property as nickel, thus Ni60A was selected as the cladding material. the powder has a mesh size of -100/+325(the particle size between 45 and 150µm).The cladding powder elements were shown in table 1.
[2] J.Arnold,R.Volz:Journal of Thermal Spray Technology Vol. 8(1999)p.243 [3] S.M.Kelly S.L.Kampe:Metallurgical and Materials Transactions Vol. 35(2004)p.1861 [4] Xing Fei,Liu Weijun, Zhang Kai:International Federation for Information Processing(IFIP),2006(207)p.525 [5] Marcel Schneider: Laser cladding with powder(Print Partners Ipskamp , Enschede.1998),p.30 [6] I.Yadroitsev,Ph.Bertrand,B.Laget :journal of nuclear materials,Vol.362(2007)p.189 [7] Ehsan Toyserkani,Amir Khajepour,Stephen Corbin:Laser Cladding.
DuPont,:Scripta Materiallia Vol.48(2003)p.1337 [9] F.J.Tian,W.J.Liu,X.F.Shang,G.Yang: Key Engineering Materials Vols.392-394(2009)p.125
Online since: September 2013
Authors: Hong Xin Zhang, Ben Ming Duan, Jin Zhu Shi, Ming Yang Wang
It can be seen from this figure that the maximum equivalent stress is 901MPa which is much smaller than the material yield limit.
The material of the frame is Q345 of which the yield limit is σs=345MPa, Elastic modulus is E=2.06×1011Pa, Poisson ratio is 0.28, material density is 7850kg/m3.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (NSFC) (50975146), Natural science foundation of Shandong province (2010ZR068).
References [1] Weiyan Zhao, Lang Wei and Jifeng Wang: Advanced Materials Research, Vol. 663(2013), p. 545 [2] Scuracchio, Bruno Geoffroy, de Lima, Nelson Batista: Materials and Design, Vol. 47(2013), p. 672 [3] Kat, Cor-Jacques, Els, Pieter Schalk: International Journal of Engineering Systems Modelling and Simulation, Vol. 3 (2011), p. 126 [4] Bin HE: Machinery Design & Manufacture, Vol.12 (2012), p. 131 [5] Min XI, Guiping LIU, Fei LEI: Automotive Engineering, Vol. 34 (2012), p. 751 [6] Zadeh, A.
Ghazi, Fahim, A, El-Gindy, M: Heavy Vehicle Systems, Vol. 7 (2010), p. 317 [7] Haisheng SONG, Wenku SHI, Fuxiang GUO: Automotive Engineering, Vol. 32 (2010), p. 601 [8] Shuying WANG, Songlin ZHENG, Jinzhi FENG: Journal of Machine Design, Vol. 30 (2013), p. 41.