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Online since: February 2021
Authors: Z.S. Khasbulatova, Kh.S. Talkhigova, R.S. Dzhambulatov, R.Kh. Dadashev
Isaev, Grozny, 364068, Russia
4Materials Issues, Science Center of Academy of Sciences of the Chechen Republic, 13, M.
Material and Methods A new method for measuring σ has been developed, the essence of which is that the measurement of σ of a bentonite suspension is carried out at the DSA-100 plant in two independent ways: by a hanging and lying drop [3,4].
Cambridge international science publishing, Cambridge, 2008
Russian Journal of Physical Chemistry A., 89, (2015), 1504-1506
Colloid journal, 78, (2016), 365–373
Material and Methods A new method for measuring σ has been developed, the essence of which is that the measurement of σ of a bentonite suspension is carried out at the DSA-100 plant in two independent ways: by a hanging and lying drop [3,4].
Cambridge international science publishing, Cambridge, 2008
Russian Journal of Physical Chemistry A., 89, (2015), 1504-1506
Colloid journal, 78, (2016), 365–373
Online since: August 2013
Authors: Tao Guo, Zeng Ping Liu
So we design a reference capacitor with the same geometry and the same material as the sampling capacitor, and it is pumped into a vacuum.
The design specification of measurement precision of instrument is 1N, then temperature coefficients of sampling capacitor are required to be less than 2×10-6, so the materials with low temperature coefficients must be used.
Because the instrument is carried by sounding balloons, it must be light weight, the materials must be lightweight materials, and selecting R1, R2 should take into account that air medium flowing through the sampling capacitor within the speed range needs keeping the on-chip flow state, not becoming turbulent.
[4] Zhang Yu, Yang Fu lin , Wu Xi de,and Gao Xia:The limitation of type 59 radiosonde on accuracy of refraction correction, Chinese Journal of Radio Science, vol.16(2001),p.404-408
[6] Zhang Yu, Yang Fu lin , Wu Xi de,and Gao Xia:The limitation of type 59 radiosonde on accuracy of refraction correction, Chinese Journal of Radio Science, vol.16(2001),p.404-408
The design specification of measurement precision of instrument is 1N, then temperature coefficients of sampling capacitor are required to be less than 2×10-6, so the materials with low temperature coefficients must be used.
Because the instrument is carried by sounding balloons, it must be light weight, the materials must be lightweight materials, and selecting R1, R2 should take into account that air medium flowing through the sampling capacitor within the speed range needs keeping the on-chip flow state, not becoming turbulent.
[4] Zhang Yu, Yang Fu lin , Wu Xi de,and Gao Xia:The limitation of type 59 radiosonde on accuracy of refraction correction, Chinese Journal of Radio Science, vol.16(2001),p.404-408
[6] Zhang Yu, Yang Fu lin , Wu Xi de,and Gao Xia:The limitation of type 59 radiosonde on accuracy of refraction correction, Chinese Journal of Radio Science, vol.16(2001),p.404-408
Online since: March 2010
Authors: Zhong Cheng Guo, Jun Li Wang, Rui Dong Xu
Oxygen Evolution Kinetic Parameters of Electrodeposited Composite
Inert Electrodes
Ruidong Xu
1, a
, Junli Wang2,b and Zhongcheng Guo
1,c
1
Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology,
Kunming, 650093, P.R China
2
Research Center for Analysis and Measurement, Kunming University of Science and Technology,
Kunming, 650093, P.R China
a
rdxupaper@yahoo.com.cn, bwangjunli78@yahoo.com.cn, cguozhch@vip.163.com
Keywords: Inert electrodes,Polarization curve of anode,Kinetic parameters of oxygen evolution.
Introduction In the course of hydrometallurgy, the direction and kinetics of electrode process, the structure patterns of the electrode and electrolytic bath and the lifetime of electrolytic bath, etc. depend on the performance of electrode materials to a great extent, so the choice of the electrode materials is particularly important.
Pb/WC-ZrO2 inert electrodes 1.Pb/1.86%ZrO2; 2.Pb/6.08%WC-2.26%ZrO2; 3.Pb/8.54%WC-3.54%ZrO2;4.Pb/9.85%WC-3.62%ZrO2; 5.Pb/10.02%WC-3.58%ZrO2;6.Pb/10.09WC-3.50%ZrO2 Table 1 Kinetic parameters of oxygen evolution of Pb/WC-ZrO2 inert electrodes Inert electrode types Tafel intercept a (mV) Tafel slope b(mV) Exchange current densityi 0(A·cm -2) η(mV) Pb/1.86%ZrO2 829 118 9.43×10-8 1030 Pb/6.08%WC-2.26%ZrO2 877 100 1.70×10-9 1047 Pb/8.54%WC-3.54%ZrO2 830 138 9.67×10-7 1067 Pb/9.85%WC-3.62%ZrO2 835 95 1.62×10-9 997 Pb/10.02%WC-3.58%ZrO2 771 140 3.11×10-6 1009 Pb/10.09WC-3.50%ZrO2 856 121 8.43×10-8 1062 Note: η is the overpotential of oxygen evolution of inert electrodes teased at 50mA/cm 2 of current density The value of Tafel intercept, a, of Pb/6.08%WC-2.26%ZrO2 and Pb/10.09WC-3.50%ZrO2 was higher, and the value of the exchange current density,i0, is lower, it will make anodic overpotential of oxygen evolution be higher if two kinds of materials
are used as anode material, resulting in higher voltage of electrolytic bath and energy consumption.
Mahe:Journal of Electroanalytieal Chemistry Vol.573(2004),p.227 [3] Z.G.Miao and Z.C.Guo.Eletroplating and Finishing Vol.26(2007), p.15 [4] Y.H.Song, G.Wei and R.C.Xiong:Electrochimica Acta Vol.52(2007),p.7022 [5] L.C.Wang, X.L.Li,J.H.Zhao, C.Y.Song and H.S.Xu:Chemical Research andApplication Vol.19(2007),p.172 [6] J.T.Kong, S.Y.Shi and L.C.Kong: Electrochimica Acta Vol.53(2007),p.2048 [7] J.Y.Wang and X.E.Hu:The Chinese Journal of Process EngineeringVol.3(2003),p.540 [8] B.M.Chen, Z.C.Guo and X.W.Yang: China Nonferrous Metallurgy (2009),p.54 [9] B.M.Chen, Z.C.Guo, J.J.Yao and N.Tan: Plating & Finishing Vol.30(2008),p.8 [10] X.Z.Shi, Z.C.Guo, B.M.Chen and N.Tan: Electroplating & Finishing Vol.28(2009),p.9
Introduction In the course of hydrometallurgy, the direction and kinetics of electrode process, the structure patterns of the electrode and electrolytic bath and the lifetime of electrolytic bath, etc. depend on the performance of electrode materials to a great extent, so the choice of the electrode materials is particularly important.
Pb/WC-ZrO2 inert electrodes 1.Pb/1.86%ZrO2; 2.Pb/6.08%WC-2.26%ZrO2; 3.Pb/8.54%WC-3.54%ZrO2;4.Pb/9.85%WC-3.62%ZrO2; 5.Pb/10.02%WC-3.58%ZrO2;6.Pb/10.09WC-3.50%ZrO2 Table 1 Kinetic parameters of oxygen evolution of Pb/WC-ZrO2 inert electrodes Inert electrode types Tafel intercept a (mV) Tafel slope b(mV) Exchange current densityi 0(A·cm -2) η(mV) Pb/1.86%ZrO2 829 118 9.43×10-8 1030 Pb/6.08%WC-2.26%ZrO2 877 100 1.70×10-9 1047 Pb/8.54%WC-3.54%ZrO2 830 138 9.67×10-7 1067 Pb/9.85%WC-3.62%ZrO2 835 95 1.62×10-9 997 Pb/10.02%WC-3.58%ZrO2 771 140 3.11×10-6 1009 Pb/10.09WC-3.50%ZrO2 856 121 8.43×10-8 1062 Note: η is the overpotential of oxygen evolution of inert electrodes teased at 50mA/cm 2 of current density The value of Tafel intercept, a, of Pb/6.08%WC-2.26%ZrO2 and Pb/10.09WC-3.50%ZrO2 was higher, and the value of the exchange current density,i0, is lower, it will make anodic overpotential of oxygen evolution be higher if two kinds of materials
are used as anode material, resulting in higher voltage of electrolytic bath and energy consumption.
Mahe:Journal of Electroanalytieal Chemistry Vol.573(2004),p.227 [3] Z.G.Miao and Z.C.Guo.Eletroplating and Finishing Vol.26(2007), p.15 [4] Y.H.Song, G.Wei and R.C.Xiong:Electrochimica Acta Vol.52(2007),p.7022 [5] L.C.Wang, X.L.Li,J.H.Zhao, C.Y.Song and H.S.Xu:Chemical Research andApplication Vol.19(2007),p.172 [6] J.T.Kong, S.Y.Shi and L.C.Kong: Electrochimica Acta Vol.53(2007),p.2048 [7] J.Y.Wang and X.E.Hu:The Chinese Journal of Process EngineeringVol.3(2003),p.540 [8] B.M.Chen, Z.C.Guo and X.W.Yang: China Nonferrous Metallurgy (2009),p.54 [9] B.M.Chen, Z.C.Guo, J.J.Yao and N.Tan: Plating & Finishing Vol.30(2008),p.8 [10] X.Z.Shi, Z.C.Guo, B.M.Chen and N.Tan: Electroplating & Finishing Vol.28(2009),p.9
Online since: June 2014
Authors: Ming Qin, De Gui Li, Pei Lin Qing, Ling Min Zeng, Shu Hui Liu, Bin He, Liu Qing Liang, Zhao Lu
The X-ray Powder Diffraction Patterns and Crystal Structure for Al2M3Y(M=Cu, Ni)
Degui Li1, a, Ming Qin1, b, Liuqing Liang1, c, Zhao Lu1, d, Shuhui Liu1, e,
Bing He1, f, Peilin Qing1, g, Lingmin Zeng2, h
1Department of Physics and Communication Engineering, Baise University, Baise, Guangxi 533000, China
2College of Materials Science and Engineering, Guangxi University, Nanning, Guangxi 530004, China
alidegui354@163.com, bqm6327@sohu.com, c114560196@qq.com, d360933256@qq.com, ewert887@126.com, fbsxyhb@21cn.com, gplqing110@163.com, hlmzeng@gxu.edu.cn
Keywords: Al2Cu3Y; Al2Ni3Y; X-ray powder diffraction pattern
Abstract.
Introduction The alloy system of Aluminum - transition - rare earth has been a hot field of materials research due to its excellent microstructure, mechanical, electrical and corrosion resistance performance.
The sample of Al2M3Y was melted with the stoichiometric amounts of elemental constituents (99.99 wt % Al, 99.99 wt % Cu, 99.99 wt% Ni and 99.9 wt % Y by China new metal materials technology Co., Ltd.) under high purity argon atmosphere in vacuum arc furnace, that have a tungsten electrode and a water-cooled copper tray.
[4] Rykhal' R M, Zarechnyuk O S and Pyshchik A V: Journal of the Less-Common Metals Vol. 16 (1968), p. 285-287
[5] Shin Dongwon, Golumbfskie W J, Ryba E R and Liu Zikui: Journal of Alloys Compd.
Introduction The alloy system of Aluminum - transition - rare earth has been a hot field of materials research due to its excellent microstructure, mechanical, electrical and corrosion resistance performance.
The sample of Al2M3Y was melted with the stoichiometric amounts of elemental constituents (99.99 wt % Al, 99.99 wt % Cu, 99.99 wt% Ni and 99.9 wt % Y by China new metal materials technology Co., Ltd.) under high purity argon atmosphere in vacuum arc furnace, that have a tungsten electrode and a water-cooled copper tray.
[4] Rykhal' R M, Zarechnyuk O S and Pyshchik A V: Journal of the Less-Common Metals Vol. 16 (1968), p. 285-287
[5] Shin Dongwon, Golumbfskie W J, Ryba E R and Liu Zikui: Journal of Alloys Compd.
Online since: May 2010
Authors: Ferenc Tranta, Norbert Hegman, Mária Svéda, Viktória Rontó, Erzsebet Nagy
Hegman2,c
1
Materials Science Research Group, Hungarian Academy of Sciences - University of Miskolc,
Miskolc, Hungary
2
BAY ZOLTÁN Foundation Applied Research Institute for Nanotechnology, Miskolc, Hungary
a
femvicki@uni-miskolc.hu, bfemzsofi@uni-miskolc.hu, cHENO63@citromail.hu
Keywords: Cu-Hf-Ti alloys, amorphous structure, dendritic structure, cooling rate
Abstract.
Sun: Materials Letters 62 (2008) 44-46
Todd: Journal of Alloys and Compounds 434-435 (2007) 164-166
Hawksworth: Journal of Materials Online 3 (2007) 1-8 [10] H.
Conner: Journal of Alloys and Compounds 459 (2008) 160-162
Sun: Materials Letters 62 (2008) 44-46
Todd: Journal of Alloys and Compounds 434-435 (2007) 164-166
Hawksworth: Journal of Materials Online 3 (2007) 1-8 [10] H.
Conner: Journal of Alloys and Compounds 459 (2008) 160-162
Online since: December 2012
Authors: Ying Zhe Xiao, Xi Hai Hao
Experiments
Materials.
Material Review, 2009, 11(23): 412-414
Journal of Zhuzhou Institute of Technology, 2004, 18(5): 144-147
[5] Du Jiaying, Shang Huijian, Xu Baoyun, Development of polyvinyl alcohol in medical treatment[J].Bebei Journal of Industrial Science and Technology, 2002, 22(1): 52-54
Packaging Journal, 2011, 3(1): 62-65
Material Review, 2009, 11(23): 412-414
Journal of Zhuzhou Institute of Technology, 2004, 18(5): 144-147
[5] Du Jiaying, Shang Huijian, Xu Baoyun, Development of polyvinyl alcohol in medical treatment[J].Bebei Journal of Industrial Science and Technology, 2002, 22(1): 52-54
Packaging Journal, 2011, 3(1): 62-65
Online since: November 2025
Authors: Muhammad Usman Khan, Hadeer Siddiqui, Syed Muhammad Usman Ali, Muhammad Saad Ali Siddiqui, Murtaza Mehdi
The primary objectives include investigating the mechanical properties of used construction steel, and evaluating the feasibility of reusing the old materials in green construction projects.
Building renovation of existing buildings and adaptive reuse of materials and components of a building can contribute to slowing down the resource consumption and the negative environmental impact due to material disposal, and new manufacturing.[1].
It addresses the challenge of insufficient information on recycled materials, which limits the reuse of construction steel.
Journal of Engineering Research and Technology
Materials Science and Engineering: An Introduction, 7th Edition
Building renovation of existing buildings and adaptive reuse of materials and components of a building can contribute to slowing down the resource consumption and the negative environmental impact due to material disposal, and new manufacturing.[1].
It addresses the challenge of insufficient information on recycled materials, which limits the reuse of construction steel.
Journal of Engineering Research and Technology
Materials Science and Engineering: An Introduction, 7th Edition
Online since: October 2018
Authors: M. El-Saber, A. Aloufy, A. El Saghir, Hanaa Abou-Gabal
This resulted in enhancing the wettability of both materials but with more pronounced effect on the PP.
Recently, the atmospheric-pressure plasma techniques are increasingly being used for the treatment of the textile materials.
The properties of these materials are illustrated in Table 1.
In both cases, expensive and rare materials were utilized to manufacture the plasma reactor while in this work cost-effective material and simple manufacturing technique were employed.
References [1] Shah J.N. and Shah S.R., Innovative Plasma Technology in Textile Processing: A Step towards Green Environment, Research Journal of Engineering Sciences 2(4) (2013) 34-39
Recently, the atmospheric-pressure plasma techniques are increasingly being used for the treatment of the textile materials.
The properties of these materials are illustrated in Table 1.
In both cases, expensive and rare materials were utilized to manufacture the plasma reactor while in this work cost-effective material and simple manufacturing technique were employed.
References [1] Shah J.N. and Shah S.R., Innovative Plasma Technology in Textile Processing: A Step towards Green Environment, Research Journal of Engineering Sciences 2(4) (2013) 34-39
Online since: December 2012
Authors: Wei Wei Wu, Jin Guo Li, He He Zheng, Zhao Sheng Wu
The ALE framework combines the advantages of Lagrangian (where node follows the material point) and Eulerian (where node is fixed) viewpoints.
For any property value f of the material points, there is equation, where c is the relative velocity of material point to the mesh.
Journal of Mechanical Design, Vol. 132 (2010), Issue 6, pp. 64503(1-5) [2] Rundo, Massimo and Nervegna, Nicola .
Journal of Dynamic Systems, Measurement, and Control, Vol. 129 (2007), Issue 4, pp. 456-468 [5] Donea, J., Huerta, A., Ponthot, J.
Journal of Fluids and Structures, Vol. 26 (2010), Issue 2, pp. 312-329
For any property value f of the material points, there is equation, where c is the relative velocity of material point to the mesh.
Journal of Mechanical Design, Vol. 132 (2010), Issue 6, pp. 64503(1-5) [2] Rundo, Massimo and Nervegna, Nicola .
Journal of Dynamic Systems, Measurement, and Control, Vol. 129 (2007), Issue 4, pp. 456-468 [5] Donea, J., Huerta, A., Ponthot, J.
Journal of Fluids and Structures, Vol. 26 (2010), Issue 2, pp. 312-329
Elastic-Plastic Numerical Simulation of Cold Rotary Forging for Hypoid Gear and the Springback Error
Online since: September 2014
Authors: Xiao Zhong Deng, Yu Gong Dang, Bin Wang
When defining plastic material in ABAQUS, plastic strain is needed, its expression is
(4)
A series of data points composed of true stress() and plastic strain(εpl) are given in ABAQUS /CAE or INP file is the way in which plastic material is defined, Then ABAQUS carry out linear interpolation between the data.
When the forming process finished, the deformed mesh and material state of the workpiece which will be used to analyze Springback are imported into Abaqus / Standard.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51075121).Thanks for Xiaozhong Deng as the corresponding author of the paper.
References [1]Yugong Dang,Xiaozhong Deng,Shaowu Nie,et al.New Schemeof Cold Rotary Forging for Hypoid Gear and Its Feasibility[J].Journal of Bejing University of Technology, 2013.39(9): 1290-1296
[6]Jinyuan Tang,Taiping Pu.Spiral Bevel Gear Meshing Stiffness Calculations Based on the Finite Element Method[J] .Journal of Mechanical Engineering ,2011.6(11):23-29
When the forming process finished, the deformed mesh and material state of the workpiece which will be used to analyze Springback are imported into Abaqus / Standard.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51075121).Thanks for Xiaozhong Deng as the corresponding author of the paper.
References [1]Yugong Dang,Xiaozhong Deng,Shaowu Nie,et al.New Schemeof Cold Rotary Forging for Hypoid Gear and Its Feasibility[J].Journal of Bejing University of Technology, 2013.39(9): 1290-1296
[6]Jinyuan Tang,Taiping Pu.Spiral Bevel Gear Meshing Stiffness Calculations Based on the Finite Element Method[J] .Journal of Mechanical Engineering ,2011.6(11):23-29