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Online since: July 2015
Authors: Gianluca Zitti, Tuncay Yalcinkaya, Giovanni Lancioni
Introduction
In various processes including plastic deformation of materials as well as in sheet metal forming the
formation and evolution of dislocation microstructure influences the material response considerably.
The material parameters are E = 210 GPa, ν = 0.33, As = 52.5 kN, and An = 10.5 kN.
March: A diffuse coesive energy approach to fracture and plasticity: the one-dimensional case, J. of Mechanics of Materials and Structures, 8(24), 109-151, 2013
Yalcinkaya, Plastic Slip Patterns through Rate-Independent and Rate-Dependent Plasticity, Key Engineering Materials, 611, 1777-1786, 2014
Geers, Non-convex rate dependent strain gradient crystal plasticity and deformation patterning, International Journal of Solids and Structures, 49, 2625-2636, 2012.
The material parameters are E = 210 GPa, ν = 0.33, As = 52.5 kN, and An = 10.5 kN.
March: A diffuse coesive energy approach to fracture and plasticity: the one-dimensional case, J. of Mechanics of Materials and Structures, 8(24), 109-151, 2013
Yalcinkaya, Plastic Slip Patterns through Rate-Independent and Rate-Dependent Plasticity, Key Engineering Materials, 611, 1777-1786, 2014
Geers, Non-convex rate dependent strain gradient crystal plasticity and deformation patterning, International Journal of Solids and Structures, 49, 2625-2636, 2012.
Online since: March 2015
Authors: Yu Xiao Tian, Bin Wang, Jun Liang Li, Bo Li Chen, Quan Feng
Microstructure and Properties of X100 High Strength Pipeline Steel
Yuxiao Tian1, a, Bin Wang 2, b, Junliang Li3, c, Boli Chen4, c and Quan Feng5, d
1School of Materials Science and Engineering, Southwest Petroleum University, China
2School of Materials Science and Engineering, Southwest Petroleum University, China
3Sichuan Kehong petroleum and Natural Gas Engineering Co., Ltd., China
a304441738@qq.com, bwangbincn89@163.com, d624750978@qq.com, ewwwuf@163.com
Keywords: X100 pipeline steel, Welding joint, Microstructure, Mechanical properties.
Experimental Experimental Materials.
Alfantazi, Sulfide stress cracking resistance of API-X100 high strength low alloy steel, Materials and Design. 30(2009) 4088-4094 [10] B.
Zhou, Continuous cooling transformation and strength-toughness of X100 pipeline steel, Ordnance Material Science and Engineering. 5(2013) 77-80
Yu, Gas metal powder core wire semi-automatic root welding technology, Journal of Materials and Metallurgy. 3(2011) 159-162
Experimental Experimental Materials.
Alfantazi, Sulfide stress cracking resistance of API-X100 high strength low alloy steel, Materials and Design. 30(2009) 4088-4094 [10] B.
Zhou, Continuous cooling transformation and strength-toughness of X100 pipeline steel, Ordnance Material Science and Engineering. 5(2013) 77-80
Yu, Gas metal powder core wire semi-automatic root welding technology, Journal of Materials and Metallurgy. 3(2011) 159-162
Online since: March 2011
Authors: Kwiryn Wojsyk, Piotr Lacki, Konrad Adamus, Marcin Zawadzki
Electrons have the capability of penetrating through external material layers at depth of about 10-2 mm.
Under high pressure the bubble of metal vapor bursts and external material layer is destroyed.
There are following advantages of using EBW technology [7]: · no pre-heating is required for materials that have high melting point, · capability of welding materials that have high thermal conductivity, · since welding is performed in vacuum it is possible to weld materials that react with atmospheric gases, for instance titanium, · capability of welding materials that tend to reflect laser beam, · ease of controlling welding parameters that allows for welding of small and large objects.
Thermal elasto-plastic material model was assumed in the numerical model.
[2] Huang C.A., Wang T.H, Lee C.H., Han W.C., A study of heat-affected zone (HAZ) of an Inconel 718 sheet welded with electron-beam welding (EBW), Materials Science and Engineering A, 398 (2005) 275-281 [3] Egbewande A.T., Buckson R.A., Ojo O.A., Analysis of laser beam weldability of Inconel 738 superalloy, Materials characterization, 61 (2010) 569-574 [4] Ferro P., Zambon A., Bonollo F., Investigation of electron beam welding in wrought Inconel 706 - experimental and numerical analysis, Materials Science and Engineering A, 392 (2005) 94-105 [5] Nikolaev G., Olshansky N., Advanced welding processes, Mir, Moscow, 1977 [6] Schultz H., Electron beam welding, Woodhead Publishing, Abington, 1994
Under high pressure the bubble of metal vapor bursts and external material layer is destroyed.
There are following advantages of using EBW technology [7]: · no pre-heating is required for materials that have high melting point, · capability of welding materials that have high thermal conductivity, · since welding is performed in vacuum it is possible to weld materials that react with atmospheric gases, for instance titanium, · capability of welding materials that tend to reflect laser beam, · ease of controlling welding parameters that allows for welding of small and large objects.
Thermal elasto-plastic material model was assumed in the numerical model.
[2] Huang C.A., Wang T.H, Lee C.H., Han W.C., A study of heat-affected zone (HAZ) of an Inconel 718 sheet welded with electron-beam welding (EBW), Materials Science and Engineering A, 398 (2005) 275-281 [3] Egbewande A.T., Buckson R.A., Ojo O.A., Analysis of laser beam weldability of Inconel 738 superalloy, Materials characterization, 61 (2010) 569-574 [4] Ferro P., Zambon A., Bonollo F., Investigation of electron beam welding in wrought Inconel 706 - experimental and numerical analysis, Materials Science and Engineering A, 392 (2005) 94-105 [5] Nikolaev G., Olshansky N., Advanced welding processes, Mir, Moscow, 1977 [6] Schultz H., Electron beam welding, Woodhead Publishing, Abington, 1994
Online since: August 2016
Authors: Meenaloshini Satgunam, Mohsen Golieskardi, Angela Min Hwei Ng, Dinesh Ragurajan
Introduction
Yttria-stabilized tetragonal polycrystalline ceramics (Y-TZP) are becoming popular engineering materials because of their excellent mechanical properties [1].
Materials & Methods 3 mol% yttria-stabilized zirconia (Nanostructured and Amorphous Materials), manganese oxide, MnO2 (Sigma- Aldrich) and aluminum oxide, Al2O3 (Sigma- Aldrich) powders were used in this study.
One of the major limitations of Y-TZP ceramics as engineering materials is the undesirable surface phase transformation from the (t) to (m) symmetry accompanied by property degradation during exposure to low temperature water or aqueous solutions.
Munck J.D., Minakuchi S., Naert I., Vleugels J., Meerbeek B.V., Vanmeensel K., Influence of sintering conditions on low-temperature degradation of dental zirconia, Dental Materials, (2014)
[13] Abi C.B., Emrullahog O.F., Said G., Microstructure and mechanical properties of MgO- stabilized ZrO2–Al2O3 dental composites, Journal of the Mechanical Behavior of Biomedical Materials, Vol. [18], (2013), 123-131
Materials & Methods 3 mol% yttria-stabilized zirconia (Nanostructured and Amorphous Materials), manganese oxide, MnO2 (Sigma- Aldrich) and aluminum oxide, Al2O3 (Sigma- Aldrich) powders were used in this study.
One of the major limitations of Y-TZP ceramics as engineering materials is the undesirable surface phase transformation from the (t) to (m) symmetry accompanied by property degradation during exposure to low temperature water or aqueous solutions.
Munck J.D., Minakuchi S., Naert I., Vleugels J., Meerbeek B.V., Vanmeensel K., Influence of sintering conditions on low-temperature degradation of dental zirconia, Dental Materials, (2014)
[13] Abi C.B., Emrullahog O.F., Said G., Microstructure and mechanical properties of MgO- stabilized ZrO2–Al2O3 dental composites, Journal of the Mechanical Behavior of Biomedical Materials, Vol. [18], (2013), 123-131
Online since: January 2022
Authors: Guillaume Habert, Maliki Moustapha, Alexander Hollberg, Guy Wagner, Pierryves Padey, Sébastien Lasvaux, Bruno Sudret, Alina Galimshina
In LCA and LCCA, such uncertainties include the service life of building materials, future climate, embodied impact of the materials and their initial cost, interest rate, amongst others.
REFERENCES [1] Chen, C. et al. (2010) ‘Environmental impact of cement production: detail of the different processes and cement plant variability evaluation’, Journal of Cleaner Production.
C. (2019) Earthen materials and constructions, Nonconventional and Vernacular Construction Materials: Characterisation, Properties and Applications.
-F. et al. (2017) ‘Buildings environmental impacts’ sensitivity related to LCA modelling choices of construction materials’, Journal of Cleaner Production, 156, pp. 805–816. doi: 10.1016/j.jclepro.2017.04.052
[15] McGregor, F. et al. (2016) ‘A review on the buffering capacity of earth building materials’, Proceedings of Institution of Civil Engineers: Construction Materials, 169(5), pp. 241–251. doi: 10.1680/jcoma.15.00035
REFERENCES [1] Chen, C. et al. (2010) ‘Environmental impact of cement production: detail of the different processes and cement plant variability evaluation’, Journal of Cleaner Production.
C. (2019) Earthen materials and constructions, Nonconventional and Vernacular Construction Materials: Characterisation, Properties and Applications.
-F. et al. (2017) ‘Buildings environmental impacts’ sensitivity related to LCA modelling choices of construction materials’, Journal of Cleaner Production, 156, pp. 805–816. doi: 10.1016/j.jclepro.2017.04.052
[15] McGregor, F. et al. (2016) ‘A review on the buffering capacity of earth building materials’, Proceedings of Institution of Civil Engineers: Construction Materials, 169(5), pp. 241–251. doi: 10.1680/jcoma.15.00035
Online since: November 2011
Authors: Mei Yang, Ben Ou, Li Jun Yan
Effect on Catalytic Activity and Characterization of content of V2O5-WO3 by Chemical Vapor Deposition
Mei Yang 1,a, Ben Ou 1,b, LIjun Yan1,c
College of Material Science and Engineering, Southwest Petroleum University, Chengdu, 610500, China
ameiyangs0099@163.com, boubenbao@sina.com, c yanlijun100@126.com,
Key-words: V2O5-WO3/TiO2,catalyst,content,CVD(chemical vapor deposition),the honeycomb cordierite.
Materials and methods Preparation of catalyst.
References [1] Runze Zhang ,Quan Xie, Fengling Yang:Journal of Catalysis Vol.23(2002),p.46-50,in Chinese. [2] Went,G.
[5] E.Tronconi,L.Lietti,P.Forzatti:Chemical Engineering Science Vol.51(1996) ,p.2965-2970 [6] Tongzai Yang , Shunzhong Luo , Yunshu Xu:Carbon ,2006 :17-22,in Chinese
Materials and methods Preparation of catalyst.
References [1] Runze Zhang ,Quan Xie, Fengling Yang:Journal of Catalysis Vol.23(2002),p.46-50,in Chinese. [2] Went,G.
[5] E.Tronconi,L.Lietti,P.Forzatti:Chemical Engineering Science Vol.51(1996) ,p.2965-2970 [6] Tongzai Yang , Shunzhong Luo , Yunshu Xu:Carbon ,2006 :17-22,in Chinese
Online since: December 2014
Authors: Cong Zeng, Dong Xue Hao, Li Qun Hou
The efficiency of the controlling scheme is demonstrated from the displacement and internal force of the main material under five different wind directions[1].
Additional Equivalent Damping Ratio of Viscoelastic Dampers Steel-lead viscoelastic damper dissipate energy in this way that when the webs of the damper occurs relative displacement,both steel-lead core and the viscoelastic material can dissipate energy with shear plastic deformation at the same time.
Steel parts are simulated by BEAM188 element, and the quality of gusset plate auxiliary and connections is considered by adjusting the density of the material.
Acknowledgements The research work was supported by National Natural Science Foundation of China under Grant No. 51308094, No. 51308095.
[2] ZHONG Wanli,WU Guanlun, Wang Wei,WU Yi,CHEN Hanghang.Wind-induced vibration reduction technology of high-voltage transmission tower based on polymer damper[J].Journal of Central South University(Science and Technology),2013,44(1):397-402
Additional Equivalent Damping Ratio of Viscoelastic Dampers Steel-lead viscoelastic damper dissipate energy in this way that when the webs of the damper occurs relative displacement,both steel-lead core and the viscoelastic material can dissipate energy with shear plastic deformation at the same time.
Steel parts are simulated by BEAM188 element, and the quality of gusset plate auxiliary and connections is considered by adjusting the density of the material.
Acknowledgements The research work was supported by National Natural Science Foundation of China under Grant No. 51308094, No. 51308095.
[2] ZHONG Wanli,WU Guanlun, Wang Wei,WU Yi,CHEN Hanghang.Wind-induced vibration reduction technology of high-voltage transmission tower based on polymer damper[J].Journal of Central South University(Science and Technology),2013,44(1):397-402
Online since: May 2007
Authors: Yan Cui
The advantages of the composite over traditional
materials used as the electronic packages for aerospace applications were analyzed.
These limitations of conventional packaging materials have resulted in a search for newer ones and increasing focus on SiCp/Al composites as a potential candidate.
A number of property factors influence electronic packaging materials selection, thermal properties, however, are by far the most important.
Trans.A Vol.25A(1994), p. 839-849 [4] C.Thaw, R.Minet, J.Zemany, C.Zweben: SAMPE Journal Vol. 88(1987), p. 40-43 [5] C.
Vol. 249(2003), p. 45-48 [11] B.Maruyama: Advanced Materials and Process.
These limitations of conventional packaging materials have resulted in a search for newer ones and increasing focus on SiCp/Al composites as a potential candidate.
A number of property factors influence electronic packaging materials selection, thermal properties, however, are by far the most important.
Trans.A Vol.25A(1994), p. 839-849 [4] C.Thaw, R.Minet, J.Zemany, C.Zweben: SAMPE Journal Vol. 88(1987), p. 40-43 [5] C.
Vol. 249(2003), p. 45-48 [11] B.Maruyama: Advanced Materials and Process.
Online since: December 2012
Authors: Cheng Yuan, Xiao Jun Ma
Although a lot of wood packaging materials are abundant and renewable, they can only be recycled through burning, which has greatly decreased the utilization rate of wood materials.
Materials and methods Experiment Material.
Test materials: The recycled wood red wine box (fir).
Especially for the degradation products of wood, they can easily have the condensation polymerization to form the new polymer materials at a high temperature [5].
[5] Nu Min, Zhao Gangjie: Journal of Beijing Forestry University.
Materials and methods Experiment Material.
Test materials: The recycled wood red wine box (fir).
Especially for the degradation products of wood, they can easily have the condensation polymerization to form the new polymer materials at a high temperature [5].
[5] Nu Min, Zhao Gangjie: Journal of Beijing Forestry University.
Online since: April 2013
Authors: Guan Xiong Wei, Guang Xin Zhang, Di Bo Hou, Ping Jie Huang
Development of a Web system for water quality monitoring information management
Wei Guanxiong1, a, Hou Dibo1,b , Huang Pingjie1,c ,Zhang Guangxin1,d
1Department of Control Science and Engineering of Zhejiang University,
State Key Laboratory of Industrial Control Technology,HangZhou 310027 China
aweiguanxiong@zju.edu.cn, bHoudb@zju.edu.cn, chuangpingjie@zju.edu.cn, dgxzhang@zju.edu.cn
Keywords: Water Quality Monitoring Information Management Web
Abstract.
Acknowledgements This study was supported by the National Water Pollution Control and Management Technology Major Projects of China under the Grant (2008ZX07420004), the National Nature Science Foundation of China under the Grant (41101508) and the Fundamental Research Funds for the Central Universities under the Grant (2012FZA5016).
Editorial Committee of Earth Science--Journal of China University of Geosciences, 3 (2002) 266-273
Management of the Web of Water and Web of Materials.
Acknowledgements This study was supported by the National Water Pollution Control and Management Technology Major Projects of China under the Grant (2008ZX07420004), the National Nature Science Foundation of China under the Grant (41101508) and the Fundamental Research Funds for the Central Universities under the Grant (2012FZA5016).
Editorial Committee of Earth Science--Journal of China University of Geosciences, 3 (2002) 266-273
Management of the Web of Water and Web of Materials.