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Online since: September 2008
Authors: Toshirou Iyama, Masahiro Mizuno, Xu Zhang, Naohiro Nishikawa
The heat affected zone might shorten the life of mold due to material change, residual
stress, and microcracks.
Dixit: International Journal of Machine Tools and Manufacture, Vol. 42(2002), p. 877
Flükiger: Journal of Materials Processing Technology, Vol. 149(2004), p. 289
Zhang: ASME Journal of Manufacturing Science and Engineering, Vol. 129(2007), p. 502
Dixit: International Journal of Machine Tools and Manufacture, Vol. 42(2002), p. 877
Flükiger: Journal of Materials Processing Technology, Vol. 149(2004), p. 289
Zhang: ASME Journal of Manufacturing Science and Engineering, Vol. 129(2007), p. 502
Online since: June 2010
Authors: Qiang Li, Wei Li, Ping Wang, Hua Zou
Probabilistic Fatigue Property of Aluminium Alloy Welded Joint
for High-speed Train
Zou Hua1, a
, Li Wei
1, b
, Li Qiang1,c and Wang Ping2,d
1
Laboratory for Structural Strength Testing (Beijing Jiaotong University), China National
Accreditation Service for Conformity Assessment, Beijing 100044, China
2
Institute of Oceangraphic Instrumention, Shandong Academy of Science, Qingdao 266001, China
a
hzou@ bjtu.edu.cn,
b
lw_cy@sina.com,
cqli3@bjtu.edu.cn,
d
wping_wf@sina.com
Keywords: Aluminium alloy, Weld fatigue, P-C-S-N curve, Fatigue limit
Abstract.
Experimental procedures Testing material and specimen.
Base material used in this study was an aluminum alloy ENAW6005, whose main chemical composition (mass percentage): 0.35Fe, 0.6-0.9Si, 0.1Mn, 0.1Ti, 0.4-0.6Mg, 0.1Cu, 0.1Zn and 0.1 Cr.
Maddox: International Journal of Fatigue Vol. 25 (2003), p. 1359 [2] Y.H.Zhang, S.J.Maddox: International Journal of Fatigue Vol. 31 (2009), p. 138 [3] ENV 1999-2 Eurocode 9: Design of aluminum structures: Part 2: Structures susceptible to fatigue.
(Abington Publications, Abington 1996) [6] Z.T.Gao: Fatigue reliability.( BeiHang University Publications, Beijing 2000) [7] S.Hanaki, M.Yamashita, H.Uchida, M.Zako: International Journal of Fatigue Vol. 32 (2010), p. 605
Experimental procedures Testing material and specimen.
Base material used in this study was an aluminum alloy ENAW6005, whose main chemical composition (mass percentage): 0.35Fe, 0.6-0.9Si, 0.1Mn, 0.1Ti, 0.4-0.6Mg, 0.1Cu, 0.1Zn and 0.1 Cr.
Maddox: International Journal of Fatigue Vol. 25 (2003), p. 1359 [2] Y.H.Zhang, S.J.Maddox: International Journal of Fatigue Vol. 31 (2009), p. 138 [3] ENV 1999-2 Eurocode 9: Design of aluminum structures: Part 2: Structures susceptible to fatigue.
(Abington Publications, Abington 1996) [6] Z.T.Gao: Fatigue reliability.( BeiHang University Publications, Beijing 2000) [7] S.Hanaki, M.Yamashita, H.Uchida, M.Zako: International Journal of Fatigue Vol. 32 (2010), p. 605
Online since: September 2011
Authors: Yang Jian Ji, Guo Ning Qi, Li Wei Song, Yong Zhang
For example, the ‘Geometry’, ‘Material’ and other domains are built as subcategory.
Acknowledgement This work is partly sponsored by the NSFC (Natural Science Foundation of China), grant no. 60974083 and 50975255.
Pierra: Journal on Data Semantics X, Vol.4900 (2008), pp.174-211
Yu: Chinese Journal of Mechanical Engineering, Vol.10 (2005) No.16, pp.878-881 (In Chinese)
Qi: Advanced Materials Research, Vols.201-203 (2011), pp.867-877.
Acknowledgement This work is partly sponsored by the NSFC (Natural Science Foundation of China), grant no. 60974083 and 50975255.
Pierra: Journal on Data Semantics X, Vol.4900 (2008), pp.174-211
Yu: Chinese Journal of Mechanical Engineering, Vol.10 (2005) No.16, pp.878-881 (In Chinese)
Qi: Advanced Materials Research, Vols.201-203 (2011), pp.867-877.
Online since: May 2012
Authors: Yu Yang, Gai Mei Ren, Xiang Wang, Li Yang
Materials and methods
Coal sample.
The filtering material permitted the passing of the leachate but not coal particles larger than 0.5 mm.
The Chinese Journal of Process Engineering. 10(6): 1104-1109(2010) (In Chinese)
Journal of Shenyang Institute of Technology. 23(1): 81-84(2004) (In Chinese)
Journal of Industrial Microbiology. 14: 420-423(1995).
The filtering material permitted the passing of the leachate but not coal particles larger than 0.5 mm.
The Chinese Journal of Process Engineering. 10(6): 1104-1109(2010) (In Chinese)
Journal of Shenyang Institute of Technology. 23(1): 81-84(2004) (In Chinese)
Journal of Industrial Microbiology. 14: 420-423(1995).
Online since: August 2013
Authors: Jia Fei Zhou, Cong Feng Wang, De Fu Liu, Jing Wen Xiang, Ping Zhao, Fang Lu Kou
Materials and Methods
Monitoring Section Layout
The detailed layout of the seven sections was shown in Fig. 1(The seven sections were labeled with #, if the cross section was divided into left and right, we marked them as L, M and R after the “#” respectively, Sanjiang cross-section label after # as "3"; Huangbohe bridge section was recorded as HBHK; Upstream cross section before the gate 2,3 was recorded ZQ2-3).
(In Chinese) [4] Ling Jiang, Yitian Li, Wei Zhang, Journal of Sediment Research 2006, 76.
Lu, Advances In Water Science 2007, 538.
Li, Engineering Journal of Wuhan University 2009, (2), 173.
Dai., Journal of China Three Gorges University 2009, 6, 12.
(In Chinese) [4] Ling Jiang, Yitian Li, Wei Zhang, Journal of Sediment Research 2006, 76.
Lu, Advances In Water Science 2007, 538.
Li, Engineering Journal of Wuhan University 2009, (2), 173.
Dai., Journal of China Three Gorges University 2009, 6, 12.
Online since: December 2010
Authors: Feng Sun, Lan Ting Zhang, Ai Dang Shan, Rong Chun Wan
Study on Microstructure and Properties of Low-Mo Fire-Resistant Steel
Rongchun Wana, Feng Sunb , Lanting Zhang c , Aidang Shan d
School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
arongchun_wan@sjut.edu.cn, bfsun@sjtu.edu.cn, clantingzh@sjtu.edu.cn, dadshan@sjtu.edu.cn
Keywords: Low-Mo; Fire-resistant steel; Bainite
Abstract.
Experimental and material Two ingots of steels were prepared by vacuum induction melting (100 kg).
Journal of Constructional Steel Research, Vol. 50 (1999) p.223-233 [2] LinHai Han, XiaoLing Zhao, M.ASCE.et.al.
Journal of Constructional Steel Research, 3 (2003) p. 346-356 [3] Y.
Journal of Structural Engineering,Vol.125 (1999) p. 1415-1422 [4] Xiaofeng Wang, Lie Luo, Yingwen Yang.
Experimental and material Two ingots of steels were prepared by vacuum induction melting (100 kg).
Journal of Constructional Steel Research, Vol. 50 (1999) p.223-233 [2] LinHai Han, XiaoLing Zhao, M.ASCE.et.al.
Journal of Constructional Steel Research, 3 (2003) p. 346-356 [3] Y.
Journal of Structural Engineering,Vol.125 (1999) p. 1415-1422 [4] Xiaofeng Wang, Lie Luo, Yingwen Yang.
Online since: November 2015
Authors: Deepak Kumar, Anwesha Panigrahi, D.P. Mishra
Effective emitters or extended surfaces called as fins are used in order to get the desired rate of heat dissipation with minimal amount of material.
The emissivities of finned materials like alloys of duralumin and aluminium are very low so the contribution of the radiation effect in the total heat transfer is very low.
References [1] Starner K.E. and McManus H.N., “An Experimental Investigation of Free Convection Heat Transfer from Rectangular Fin Arrays”, Journal of Heat Transfer, 273-278, (1963) [2] We lling J.R. and Wooldridge C.N., “Free Convection Heat Transfer Coefficients from Vertical Fins”, Journal of Heat Transfer, 439-444, (1965) [3] Fitzroy N.D., “Optimum Spacing of Fins Cooled by Free Convection”, Journal of Heat Transfer, 462-463, (1971) [4] Aziz, A., Optimum Dimensions of Extended Surfaces Operating in a Convective Environment, Appl.
[5] Leung C.W., et al., “Heat Exchanger Design: Thermal Performances of Rectangular Fins Protruding from Vertical or Horizontal Rectangular Bases”, Applied Energy, 123-140, (1985) [6] Yüncü H. and Güvenc A., “An Experimental Investigation on Performance of Rectangular Fins on a Vertical Base in Free Convection Heat Transfer”, Heat and Mass Transfer, 409-416, (2001) [7] Yüncü H. and Mobedi M., “A Three Dimensional Numerical Study on Natural Convection Heat Transfer from Short Horizontal Rectangular Fin Array”, Heat and Mass Transfer, (2003) [8]Jeong et al., “Natural convection heat transfer estimation from a longitudinally finned vertical pipe using CFD”, Mechanical Science and Technology, 1517-1527, (2009) [9] A.
The emissivities of finned materials like alloys of duralumin and aluminium are very low so the contribution of the radiation effect in the total heat transfer is very low.
References [1] Starner K.E. and McManus H.N., “An Experimental Investigation of Free Convection Heat Transfer from Rectangular Fin Arrays”, Journal of Heat Transfer, 273-278, (1963) [2] We lling J.R. and Wooldridge C.N., “Free Convection Heat Transfer Coefficients from Vertical Fins”, Journal of Heat Transfer, 439-444, (1965) [3] Fitzroy N.D., “Optimum Spacing of Fins Cooled by Free Convection”, Journal of Heat Transfer, 462-463, (1971) [4] Aziz, A., Optimum Dimensions of Extended Surfaces Operating in a Convective Environment, Appl.
[5] Leung C.W., et al., “Heat Exchanger Design: Thermal Performances of Rectangular Fins Protruding from Vertical or Horizontal Rectangular Bases”, Applied Energy, 123-140, (1985) [6] Yüncü H. and Güvenc A., “An Experimental Investigation on Performance of Rectangular Fins on a Vertical Base in Free Convection Heat Transfer”, Heat and Mass Transfer, 409-416, (2001) [7] Yüncü H. and Mobedi M., “A Three Dimensional Numerical Study on Natural Convection Heat Transfer from Short Horizontal Rectangular Fin Array”, Heat and Mass Transfer, (2003) [8]Jeong et al., “Natural convection heat transfer estimation from a longitudinally finned vertical pipe using CFD”, Mechanical Science and Technology, 1517-1527, (2009) [9] A.
Online since: September 2018
Authors: Vladimir G. Polyakov, Svetlana I. Lipatova, Oganes V. Oganesyan, S.G. Abramyan
External view of a small-size collapsible construction system after the final assembly
In order to check the technological efficiency of construction system assembly, a 12m2 dummy structure was built with the use of locally available materials.
Iliev, Basic requirements for prefabricated building systems, Engineering Journal of Don, 4 (2017)
Memari, Product Architecture Model for Multistory Modular Buildings, Journal of Construction Engineering and Management, 142(10) (2016) Article number: 04016047
Alfano, Innovative Flexible Structural System Using Prefabricated Modules, Journal of Architectural Engineering, 22(4) (2016) Article number: 05016003
Modern problems of science and eductions, 2-1 (2015)
Iliev, Basic requirements for prefabricated building systems, Engineering Journal of Don, 4 (2017)
Memari, Product Architecture Model for Multistory Modular Buildings, Journal of Construction Engineering and Management, 142(10) (2016) Article number: 04016047
Alfano, Innovative Flexible Structural System Using Prefabricated Modules, Journal of Architectural Engineering, 22(4) (2016) Article number: 05016003
Modern problems of science and eductions, 2-1 (2015)
Online since: August 2009
Authors: H. Yao, Jin Song Bao, Jin Ye
The lashing bar
material is 40 Cr, E=211GPa, stiffness of 8 lashing bars with different lengths can be calculated as
Table 1.
AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference (Virginia, USA, April 7-10, 2003)
Daqaq and A.H Nayfeh: International Journal of Modelling and Simulation Vol. 24(4) (2004), p. 272 [4] J.S.
Yan: Journal of System Simulation Vol. 14(7) (2002), p. 1235 (Chinese) [5] A.N.
Liu: Journal of Marine Science and Application Vol. 5(1) (2006), p. 48 [6] Y.S.
AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference (Virginia, USA, April 7-10, 2003)
Daqaq and A.H Nayfeh: International Journal of Modelling and Simulation Vol. 24(4) (2004), p. 272 [4] J.S.
Yan: Journal of System Simulation Vol. 14(7) (2002), p. 1235 (Chinese) [5] A.N.
Liu: Journal of Marine Science and Application Vol. 5(1) (2006), p. 48 [6] Y.S.
Online since: May 2016
Authors: Hong Zhou Huang, Jun Lan Li, Yun Qiang Yang, Shao Ze Yan
The well-known Hertz contact law can be used to evaluate contact force between the journal and bearing in a revolute joint with clearance.
It is expressed as (1) where is the stiffness coefficient which depends on the material and the radii of the bodies in contact, and is the relative indentation.
Acknowledgments This paper was supported by the National Natural Science Foundation of China (Grant No. 51305294), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20130032120037).
Martins, On the continuous contact force model for soft materials in multibody dynamics, Multib.
Romdhane, Dynamic analysis of a flexible slider-crank mechanism with clearance, European Journal of Mechanics A/Solids. 27 (2008) 882-898
It is expressed as (1) where is the stiffness coefficient which depends on the material and the radii of the bodies in contact, and is the relative indentation.
Acknowledgments This paper was supported by the National Natural Science Foundation of China (Grant No. 51305294), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20130032120037).
Martins, On the continuous contact force model for soft materials in multibody dynamics, Multib.
Romdhane, Dynamic analysis of a flexible slider-crank mechanism with clearance, European Journal of Mechanics A/Solids. 27 (2008) 882-898