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Online since: October 2014
Authors: Ying Zou, Ju Bing Zhang, Xian Zhang
Ignore material and real shape, the bearing is converted to elastic connection. 1.
The material is defined as neoprene material, so the height should apply the thickness of neoprene. 2.
Elastomeric pad bearing is not homogeneous materials,so it is difficult to simulate.
Acknowledgement The research of this paper is supported by the Beijing Natural Science Foundation with an award numbered 8122030.
Journal of Structural Engineering 2000;126(2): 252–60
Online since: May 2012
Authors: Zhi Neng Fu, Zu Yi Cao, Hui Ying Jia
At the same time, Wuhan Science and Technology Bureau proposed to focus on and build 8 high-tech industry chains, including solar energy.
When it comes to the solar power generation, the solar photovoltaic power generation system in Wuhan University of Science and Engineering is obvious, which is one of the projects from the National Science and Technology in the building integration of solar energy.
Acknowledgement The Authors would like to give thanks to all the people who went to research and help to collect data and other relevant materials for the paper.
China Soft Science.2009(8) [2] Liu Chuanjiang, Fengbimei.
Journal of Jianghan University. 2008(6) [4] Wang Yubo, Wang Yapeng.
Online since: August 2016
Authors: Raik Grützner, Florian Augenthaler, Daniel Barfuss, Matthias Riemer, Zheng Wang, Simon Frederik Koch, Jan Schwennen
The increasing use of hybrid materials requires efficient manufacturing processes.
The hybrid combination of different materials e. g. light metals and CFRP is an approach for consistently using the potential of the different material properties.
An alternative approach is the manufacturing with a one-step process, wherein the assembling of different materials is carried out in the primary shaping process or the forming process.
Zorn, Active media based forming fort he in-situ manufacturing of metal plastic composite, Euro Hybrid Materials and Structures 2014 Proceedings, 2014, 152-159
Mahnken, Manufacturing porcesses for combined forming of multi-material structures consisting of sheet metal and local CFRP reinforcements, Key Engineering Materials. 504-506 (2012) 295-300
Online since: May 2016
Authors: Prakash Chandra Sahoo, Satyabadi Martha, Kulamani Parida
Several nano-structured semiconductor photocatalyst such as: metal oxides, heterojunctions, porous materials, layered materials, materials with hierarchical structure, and nano biocatalysts are acknowledged as good candidate for CO2 photo reduction.
The kinetics and theoretical investigation of the photocatalytic materials is very scarcely studied which is the main disadvantage for the development of efficient materials.
Yang, Journal of CO2 Utilization, 6 (2014) 17–25
Zhao, Solar Energy Materials & Solar Cells, 137 (2015) 175–184
Domen, Chemistry of Materials, 20 (2007) 110-117
Online since: July 2015
Authors: Seshadri Seetharaman, Bharath Nidambur Ballal, Nurni N. Viswanathan
Mass Diffusion in Process Metallurgy Viswanathan Neelakantan Nurni1,a, Bharath Nidambur Ballal2,b and Seshadri Seetharaman3,c 1Professor, Centre of Excellence in Steel Technology (CoEST), Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay, India and Visiting Professor, Metals and Minerals Processing Laboratory, Lulea University of Technology, Sweden 2Professor, Centre of Excellence in Steel Technology (CoEST), Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay, India 3Distinguished Visiting Professor, Centre of Excellence in Steel Technology (CoEST), Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay, India and Professor Emeritus, Royal Institute of Technology, Stockholm, Sweden avichu@iitb.ac.in , b nbb@iitb.ac.in, c raman@kth.se Keywords: Diffusion, Mass Transfer, Kirkdenall Effect, Measurements, Diffusivity, Substituional
Diffusion phenomena are of great importance in materials processing wherein atomic, molecular or ionic species are distributed within a phase or among different phases.
Introduction Materials in general contain multiple phases.
Thus, diffusion phenomena, by which the species are transported within a phase as well as across different phases, play a crucial role in materials processing.
Geiger, Transport Phenomena in Materials Processing, TMS publication, Warrandale, USA (1994) [3] P.G.
Online since: January 2012
Authors: B.K. Kardashev, I.B. Kupriyanov
Kupriyanov2 1Ioffe Physical-Technical Institute of the RAS,194021, Saint-Petersburg, Russia 2Bochvar Institute of Inorganic Materials, 123060, Moscow, Russia ab.kardashev@mail.ioffe.ru (corresponding author) Keywords: beryllium, Young’s modulus, internal friction, yield point, ultimate strength.
The s(ed) curves are almost the same at this temperature for different materials except the Be of the largest (55-60 mm) grain size.
The stress s is the lowest for this material.
Lebedev, Application of internal friction to analysis of plastic behaviour of crystals, Journal de Phys.
Lothe (Eds.), Elastic strain fields and dislocation mobility, North-Holland, Elsevier Science, Amsterdam, 1992, pp. 517-570
Online since: September 2013
Authors: Anna Galuszka, Joanna M. Dulinska
The concrete material of the dam and was assumed to be homogeneous and linear-elastic.
Different constitutive models of material of concrete structures (i.e. concrete damage plasticity model) are usually applied in analyses of strong earthquakes [6, 7].
The assumed properties of material in three different zones are indicated in Table 1.
Dulinska: Importance of ground motion spatial variability effects on earth dam, International Journal of Earth Sciences and Engineering, vol. 05, no. 01 (2012), p. 1-9
Dulinska: Cooling tower shell under asynchronous kinematic excitation using concrete damaged plasticity model, Key Engineering Materials, Vol. 535-536, 2013, Trans Tech Publications, Switzerland, pp. 469-472, doi:10.4028/www.scientific.net/KEM.535-536.469.
Online since: October 2014
Authors: Xi Meng Wang, Wei Ying Miao
At the same time, dress material needs to insulate electricity, to prevent the occurrence of shorted and circuit breaker.
In the production material selection of the reception robot, you can choose paraffin wax and silicone material, which have higher simulation of human body skin.
So, silicone is the most suitable material of skin simulation.
If a robot only has imitated the skin material, and has far disparity from the experienced contact height of the human.
ShanDong:ShanDong University.2011 (in Chinese) [4] Fanwen Meng, Lushen Wu, Liping Luo.LASER & INFRARED.2010-3 (in Chinese) [5] Weibin Deng, Lili Zhou.Journal of Hubei University of Technology.2009-12 (in Chinese)
Online since: December 2010
Authors: Yan Xie, Bin Yu, Xiao Mei Wu, Yue Ming Fan
Influence of Mineral Admixture on Concrete Abrasion Resistance Yan Xie1, 2, a, Bin Yu3, 2, b, Xiaomei Wu2, c and Yueming Fan2, c 1 Faculty of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, 510006, China 2School of Materials Science Engineering, South China University of Technology, Guangzhou, 510640, China 3Guangzhou Tianda Concrete Co., Ltd., Guangzhou 510220, China ayanshary@gmail.com, byubin19@21cn.com,cimxmeiwu@scut.edu.cn Keywords: Concrete; Mineral Admixture; Abrasion Resistance.
Experiment materials and method Properties of Portland cement P42.5R, fly-ash and slag are presented in table 1, table 2 and table 3.
Table 4 Mix proportions of concrete NO. w/b Fly-ash(%) Material dosage(Kg/m3) Cement Fly-ash Sand Aggregate Water FDN FH0 0.50 0 350 0 734 1101 175 4.90 FH1 10 315 35 734 1101 175 4.90 FH2 20 280 70 734 1101 175 4.90 FH3 30 245 105 734 1101 175 4.90 FL0 0.31 0 500 0 579 1176 155 7.50 FL1 10 450 50 579 1176 155 7.50 FL2 20 400 100 579 1176 155 7.50 FL3 30 350 150 579 1176 155 7.50 Table 5 Abrasion resistance index of concrete NO.
Table 6 Mix proportions of concrete NO. w/b Slag(%) Material dosage(Kg/m3) Cement Fly-ash Slag Sand Aggregate Water FDN MH1 0.50 0 280 70 0 734 1101 175 4.90 MH2 15 297.5 70 52.5 734 1101 175 4.90 MH3 30 245 70 105 734 1101 175 4.90 ML1 0.31 0 400 100 0 579 1176 155 7.50 ML2 15 325 100 75 579 1176 155 7.50 ML3 30 250 100 150 579 1176 155 7.50 Table 7 Abrasion resistance index of concrete NO.
Vol.33 (2003), p. 1877 [4] B.Fiorio:Cen.Bui.Mat.2005, p. 366 [5] S.H.Li: Fly-ash comprehensive Utilization,2003, p. 17(In Chinese) [6] F.Zh.Wang, Ch.G.Hu, Q.J.Ding: China Journal of Highway and Transport,2007,p.12 (In Chinese)
Online since: July 2014
Authors: Xian Shun Bi, Hua Yan Chen, Cai Song Luo
Fly ash and slag is the present commonly used admixture in concrete, is generally the local material to use to protect the environment and save the construction cost, but also improve the compressive strength and the performance of concrete, it has good market prospects, is the Department of housing listed as one of ten new technology of construction industry[1].
Material The 42.5MPa ordinary Portland cement was used in this test.
Shandong building materials,2004,25(2):37~39.
Journal of Pingdingshan Institute of Technology, 2007,16(4):46~47.
(in Chinese) [6] Zeng Linjun,Zhu Hehua ,Yan Zhi Guo Yao.Application of ultrasonic in evaluating fire- res is tant performance of fiber reinforced concrete [J].China Building Materials Science & Technology,2006,(2):18~22.
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