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Online since: September 2013
Authors: Wen Feng Bai, Peng Yin, Shou Cheng Yan
Vibration-alleviating properties of the materials for elementary machine parts would be important for high-speed and high-precision machining [2-3].
Both the liquid and solid raw materials were mixed evenly, and then they are mixed together and set on the vibration table.
Corresponding author: Wenfeng Bai (1980-), instructor in Huanghuai University, Ph.D. of Shandong University, majoring in composite materials.
Wang, Chinese Journal of Materials Research, 20, 485 (2006)
Wang, Materials Review, 20, 436 (2006)
Both the liquid and solid raw materials were mixed evenly, and then they are mixed together and set on the vibration table.
Corresponding author: Wenfeng Bai (1980-), instructor in Huanghuai University, Ph.D. of Shandong University, majoring in composite materials.
Wang, Chinese Journal of Materials Research, 20, 485 (2006)
Wang, Materials Review, 20, 436 (2006)
Online since: October 2010
Authors: Hui Ping Ren, De Gang Li, Bo Yan, Zi Li Jin
Materials Characterization., 2008,59, 1355
Materials Characterization., 2001, 46, 45
L. ournal of Materials Processing Technology,2003, 140,509
P-D, International Materials Reviews, 2003, 48, 86
Materials Science Forum. , 1997, 162,997 [8] Rajmohan N, Hayakawa Y, Szpunar JA, Root JH.
Materials Characterization., 2001, 46, 45
L. ournal of Materials Processing Technology,2003, 140,509
P-D, International Materials Reviews, 2003, 48, 86
Materials Science Forum. , 1997, 162,997 [8] Rajmohan N, Hayakawa Y, Szpunar JA, Root JH.
Online since: September 2013
Authors: Xian Zhen Xie, Xiao Liang Feng, Lan Fang Huang, Yu Lin Wang
Instrumentation and materials
Atractlodesm acrocephala Koidz from Tiantai and Xinan of Zhejiang was purchased from a Zhejiang pharmaceutical store and was identified by a researcher from Institute of Materia Medica, Hunan Academy of Traditional Chinese Medicine and Materia Medica.
Simultaneous distillation and extraction (SDE) apparatus was manufactured by University of Science and Technology of China (Hefei, China). 2.2.
Chinese Journal of Chromatography 26(2008) 153-159
Journal of Fujian University of TCM 22(2012) 43-45
Chinese Journal of Chromatography 25(2007) 43-47
Simultaneous distillation and extraction (SDE) apparatus was manufactured by University of Science and Technology of China (Hefei, China). 2.2.
Chinese Journal of Chromatography 26(2008) 153-159
Journal of Fujian University of TCM 22(2012) 43-45
Chinese Journal of Chromatography 25(2007) 43-47
Online since: June 2013
Authors: Jun Si, Xiao Ming Luo, Fu Zhen Xuan, Biao Xiao
The crack-tip parameter C*-integral is calculated through the 2-D finite element analysis, by varying the crack distance between the two cracks (0.125£a/W£0.8) and material constants (3£n£10).The assessment method for structures containing multiple flaws under creep conditions is proposed.
Schematic illustration of a plate with two equal collinear cracks under remote tension Creep fracture parameter involving crack interaction Generally, power law is used to model the stress–strain response of engineering materials under steady state of creep (1) where is the uniaxial strain rate, is the uniaxial stress rate, E is the Young’s modulus, and B and n are the steady state creep coefficient and exponent, respectively.
Howard: An Examination of Methods of Assessing Interacting Surface Cracks by Comparison with Experimental Data, International Journal of Pressure Vessels and Piping, vol.68 (1996), p.181-201 [2] R.A.
McClintock: Creep Relaxation of Stress around a Crack Tip, International Journal of Solids and Structures, vol.17 (1981), p.479-492 [7] F.Z.
Wang: C* Estimation for Cracks in Mismatched Welds and Finite Element Validation, International Journal of Fracture, vol.126 (2004), p.267-280 [8] JD Landes, JA.
Schematic illustration of a plate with two equal collinear cracks under remote tension Creep fracture parameter involving crack interaction Generally, power law is used to model the stress–strain response of engineering materials under steady state of creep (1) where is the uniaxial strain rate, is the uniaxial stress rate, E is the Young’s modulus, and B and n are the steady state creep coefficient and exponent, respectively.
Howard: An Examination of Methods of Assessing Interacting Surface Cracks by Comparison with Experimental Data, International Journal of Pressure Vessels and Piping, vol.68 (1996), p.181-201 [2] R.A.
McClintock: Creep Relaxation of Stress around a Crack Tip, International Journal of Solids and Structures, vol.17 (1981), p.479-492 [7] F.Z.
Wang: C* Estimation for Cracks in Mismatched Welds and Finite Element Validation, International Journal of Fracture, vol.126 (2004), p.267-280 [8] JD Landes, JA.
Online since: December 2013
Authors: Ameruddin Baharom, Safura Hashim Nor Liyana, Azli Yahya, Kamal Khalil, Muhammad Arif Abdul Rahim, Nugroho Kartiko, M. Daud Razak, Nor Hisham Haji Khamis
Hip implent a) Main componen of hip Implant[1] b) Hip implant configuration[2]
Metal-on-metal is the most common used material for hip implant due to some advantages than the other.
This process allows to machine high strength and wear-resistance material such as hip implant material.
Schmalzried, “Activity and Ions in Patients with Metal-on-Metal Bearing Hip Prostheses,” The Journal of Bone & Joint Surgery, vol. 87-A, no. 4, pp. 781–787, 2005
Mahmud, “Simulation of Micro-EDM Servomotor for Machining Micro Pits on Hip Implant,” Jurnal Teknologi (Sciences & Engineering), vol. 61, no. 2, pp. 45–51, 2013
Ries, “Failure of a metal-on-metal total hip arthroplasty from progressive osteolysis.,” The Journal of arthroplasty, vol. 14, no. 7, pp. 877–81, Oct. 1999.
This process allows to machine high strength and wear-resistance material such as hip implant material.
Schmalzried, “Activity and Ions in Patients with Metal-on-Metal Bearing Hip Prostheses,” The Journal of Bone & Joint Surgery, vol. 87-A, no. 4, pp. 781–787, 2005
Mahmud, “Simulation of Micro-EDM Servomotor for Machining Micro Pits on Hip Implant,” Jurnal Teknologi (Sciences & Engineering), vol. 61, no. 2, pp. 45–51, 2013
Ries, “Failure of a metal-on-metal total hip arthroplasty from progressive osteolysis.,” The Journal of arthroplasty, vol. 14, no. 7, pp. 877–81, Oct. 1999.
Online since: July 2006
Authors: B.L. Yin, R.D. Han
The workpiece material was 0.45%C steel,
with a hardness of 50HRC.
Yang: Journal of Materials Processing Technology, Vol.132 (2003), pp.345
Chen: International Journal of Mechanical Sciences, Vol.40 (1998), pp.1209
Zhao: International Journal of Solids and Structures, Vol.38 (2001), pp.2851
Yang: Journal of Materials Processing Technology, Vol.132 (2003), pp.345
Chen: International Journal of Mechanical Sciences, Vol.40 (1998), pp.1209
Zhao: International Journal of Solids and Structures, Vol.38 (2001), pp.2851
Online since: November 2016
Authors: Pasquale Gaudio, A. Malizia, M. Gelfusa, A. Murari, J.F. Ciparisse, L.A. Poggi, M. Lungaroni, Maria Richetta
The dust that can be dangerous for the above applications is, according to the NFPA (National Fire Protection Association of USA), any finely divided solid material that is smaller than 420 mm [8]
The most important parameters to evaluate the risk of explosion in a pharmaceutical industry are [9]:
· Minimum Ignition Energy (MIE)
· Minimum Ignition Temperature (MIT)
· Thermal Stability Explosion Severity (Kst)
· Minimum explosive concentration (MEC): Most of the active pharmaceutical ingredients and excipients used in the pharmaceutical industry have minimum explosive concentration (MEC) in the range of 25 to 60 grams/m3.
Li, Experiment- based investigations on the effect of ignition energy on dust explosion behaviors, Journal of Loss Prevention in the Process Industries, 26 (2013) 869–877 [4] NFPA 654, Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids, (2013) [5] P.
Hoffman, An Investigation of the Consequences of Primary Dust Explosions in Interconnected Vessels, Journal of Hazardous Materials, A137 (2006) 752–761 [6] Chemical Safety Board, Combustible Dust Hazard Study, (2006) [7] Chemical Safety Board, Sugar Dust Explosion an Fire, (2009) [8] http://operatingexperience.doe-hss.wikispaces.net/file/view/Combustible+Dust+Guide.pdf [9] S.
Lupelli, Experimental and numerical analysis of dust resuspension for supporting chemical and radiological risk assessment in a nuclear fusion device,” in International Conference on Mathematical Models for Engineering Science, Proceedings 2010, Code 85150 (2010) 134–147
Des. 89, (2014) 2048 [21] Lupelli I., Malizia A. , Richetta M., Poggi L.A., Ciparisse J.F., Gelfusa M., Gaudio P., Simulations and Experiments to Reach Numerical Multiphase Informations for Security Analysis on Large Volume Vacuum Systems Like Tokamaks, Journal of Fusion Energy, 34 (2015) 959-978
Li, Experiment- based investigations on the effect of ignition energy on dust explosion behaviors, Journal of Loss Prevention in the Process Industries, 26 (2013) 869–877 [4] NFPA 654, Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids, (2013) [5] P.
Hoffman, An Investigation of the Consequences of Primary Dust Explosions in Interconnected Vessels, Journal of Hazardous Materials, A137 (2006) 752–761 [6] Chemical Safety Board, Combustible Dust Hazard Study, (2006) [7] Chemical Safety Board, Sugar Dust Explosion an Fire, (2009) [8] http://operatingexperience.doe-hss.wikispaces.net/file/view/Combustible+Dust+Guide.pdf [9] S.
Lupelli, Experimental and numerical analysis of dust resuspension for supporting chemical and radiological risk assessment in a nuclear fusion device,” in International Conference on Mathematical Models for Engineering Science, Proceedings 2010, Code 85150 (2010) 134–147
Des. 89, (2014) 2048 [21] Lupelli I., Malizia A. , Richetta M., Poggi L.A., Ciparisse J.F., Gelfusa M., Gaudio P., Simulations and Experiments to Reach Numerical Multiphase Informations for Security Analysis on Large Volume Vacuum Systems Like Tokamaks, Journal of Fusion Energy, 34 (2015) 959-978
Online since: March 2017
Authors: Jan Zeman, Marek Tyburec
The elastic modulus and material density have been set to E = 1 Pa and ρ = 1 kg/m3,
respectively.
SGS16/037/OHK1/1T/11, and from the Czech Science Foundation, through project No. 14-00420S.
Kočvara, Structural topology optimization with eigenvalues, SIAM Journal on Optimization 18.4 (2007) 1129-1164
Nemirovski, Robust truss topology design via semidefinite programming, SIAM Journal on Optimization 7.4 (1997) 991-1016
Greenberg, Automatic design of optimal structures, Journal de Mecanique 3 (1964) 25-52.[7] J.
SGS16/037/OHK1/1T/11, and from the Czech Science Foundation, through project No. 14-00420S.
Kočvara, Structural topology optimization with eigenvalues, SIAM Journal on Optimization 18.4 (2007) 1129-1164
Nemirovski, Robust truss topology design via semidefinite programming, SIAM Journal on Optimization 7.4 (1997) 991-1016
Greenberg, Automatic design of optimal structures, Journal de Mecanique 3 (1964) 25-52.[7] J.
Online since: August 2013
Authors: Gen Sheng Zhao, Huan Tao Zhou, Qi Zhang, Wei Wei
Establishment of Calculation Model
MARC is used in building the model and the calculation model including material model and geometric model is also used in this paper.
The geometric model is shown in Fig. 1. 2.2 Material constitutive model The accuracy of finite element numerical results mostly determine depends on the rationality of material constitutive model and the accuracy of calculation parameters.
Some problems in application of contact element in settlement checking of the group pile.Journal of TongJi University,1998,26(2): 149-152.
Chinese Journal of Geotechnical Engineering,1995,17(3): 53-59 (In Chinese) [8]Fuquan Chen, Xiaonan Gong, Shidong Ma.
Three-dimensional finite analysis and the field test of the negative friction of the piles.Journal of Building Structure, 2000, 21(3)77-80 (In Chinese)
The geometric model is shown in Fig. 1. 2.2 Material constitutive model The accuracy of finite element numerical results mostly determine depends on the rationality of material constitutive model and the accuracy of calculation parameters.
Some problems in application of contact element in settlement checking of the group pile.Journal of TongJi University,1998,26(2): 149-152.
Chinese Journal of Geotechnical Engineering,1995,17(3): 53-59 (In Chinese) [8]Fuquan Chen, Xiaonan Gong, Shidong Ma.
Three-dimensional finite analysis and the field test of the negative friction of the piles.Journal of Building Structure, 2000, 21(3)77-80 (In Chinese)
Online since: February 2012
Authors: Fu Xiang Jiang, Yan Wang, Yu Tian Wang, Xiu Li Du
Q235b steel has been chosen as the structural material.
Fig.1 The shape of the beam-end with expanded flange Fig.2 Steel frame specimen Material Property Test.
Acknowledgements This work was financially supported by National the Natural Science Foundation of China (50778092).
H.: Journal of Constructional Steel Research, Vol. 62(8)(2006): p. 793-801
PEER 2000/07, Pacific Earthquake Engineering Research Center, Univ. of California at Berkeley, Berkeley, Calif.(2000) [6] Chen Jie, Su Mingzhou, Shen Lin, etc.: Journal of Building Structures, Vol. 28(3)(2007), p. 1-7 [7] Wang Yan, Feng Shuang, Wang Yutian, atc.: Journal of Building Structures.
Fig.1 The shape of the beam-end with expanded flange Fig.2 Steel frame specimen Material Property Test.
Acknowledgements This work was financially supported by National the Natural Science Foundation of China (50778092).
H.: Journal of Constructional Steel Research, Vol. 62(8)(2006): p. 793-801
PEER 2000/07, Pacific Earthquake Engineering Research Center, Univ. of California at Berkeley, Berkeley, Calif.(2000) [6] Chen Jie, Su Mingzhou, Shen Lin, etc.: Journal of Building Structures, Vol. 28(3)(2007), p. 1-7 [7] Wang Yan, Feng Shuang, Wang Yutian, atc.: Journal of Building Structures.