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Online since: December 2013
Authors: Chong Fai Kait, Raihan Mahirah Ramli, Abdul Aziz Omar
TiO2 nanoparticles were synthesized using titanium isopropoxide as the starting material.
The white powdered material was calcined at 350°C for 1 h in order to remove residual organic entities and to produce anatase TiO2 from the hydroxides.
The XRD patterns did not reveal any diffraction peak relating to Cu- or Fe-species suggesting high dispersion of the materials on TiO2.
Nurlaela, Photodegradation of Orange II under visible light using Cu–Ni/TiO2: Effect of calcination temperature, Chemical Engineering Journal 185-186 (2012) 108-119
Schwarz, Estimation of the point of zero charge of simple oxides by mass titration, Journal of Colloid and Interface Science 130 (1989) 157-164
The white powdered material was calcined at 350°C for 1 h in order to remove residual organic entities and to produce anatase TiO2 from the hydroxides.
The XRD patterns did not reveal any diffraction peak relating to Cu- or Fe-species suggesting high dispersion of the materials on TiO2.
Nurlaela, Photodegradation of Orange II under visible light using Cu–Ni/TiO2: Effect of calcination temperature, Chemical Engineering Journal 185-186 (2012) 108-119
Schwarz, Estimation of the point of zero charge of simple oxides by mass titration, Journal of Colloid and Interface Science 130 (1989) 157-164
Online since: May 2012
Authors: Ching Tsung Hung, Shih Huang Chen, Chia Chen Wu
In addition to coarse materials, fiber is one ingredients of the porous asphalt mix.
The reason is paved with porous pavement biggest difference is that the general drainage and skid resistance, as service performance can be expressed as the overall performance of porous materials.
Acknowledgments: The authors would like to thank National Science Council (Taiwan), Kainan University, and Feng-Chia University for its financial support of this study.
International Journal of Management and Decision Making, Vol.7 (2006), p. 143-165
Tzeng, Building an effective safety management system for airlines, Journal of Air Transport Management, Vol. 14(2008), p. 20-26
The reason is paved with porous pavement biggest difference is that the general drainage and skid resistance, as service performance can be expressed as the overall performance of porous materials.
Acknowledgments: The authors would like to thank National Science Council (Taiwan), Kainan University, and Feng-Chia University for its financial support of this study.
International Journal of Management and Decision Making, Vol.7 (2006), p. 143-165
Tzeng, Building an effective safety management system for airlines, Journal of Air Transport Management, Vol. 14(2008), p. 20-26
Online since: August 2013
Authors: Umer Mushtaq, Souad. A.M. Al-Bat’h, Raihan Othman
These are remarkable materials in that the above properties are generally mutually limited and are hard to find in the same material.
Journal of Hebei Normal University(Natural Science), 24(4), (2000), pp.509-512
Applied Surface Science 168, (2000), pp. 239-243
Journal of Crystal Growth 299, (2007), pp.184-188
Material Chemistry and Physics., 68, (2001), pp.22-30.
Journal of Hebei Normal University(Natural Science), 24(4), (2000), pp.509-512
Applied Surface Science 168, (2000), pp. 239-243
Journal of Crystal Growth 299, (2007), pp.184-188
Material Chemistry and Physics., 68, (2001), pp.22-30.
Online since: March 2015
Authors: Gai Pin Cai, Xiao Lei Zhou, Yang Xiong
J.Zhou[9] has done some research to search the major factor which effect the limited half-cone angle and forming quality by using different process parameters such as material,initial thickness of sheet metal,interlayer space.
Table1 The forming proccess paramaters Feed rate ΔZ Tool head diameter D Feed speed V Forming angle θ Forming depth H (mm) (mm) (mm/min) (˚) (mm) 0.5 10 1800 45 25 1 1.5 2 3 1.3 Material Model This study adopts square sheet of 1060 aluminium alloy as the experimental materials, the demention is 280mm×280mm×1mm, the Von-Mises yield criterion is adopted as shown in table 2.
Table2 The material properties of aluminum alloy 1060 Title Yield stress(MPa) Elasticity modulus (MPa) Poisson ratio density (kg.m-3) Tensile Strength (MPa) Value 116 68900 0.33 2680 136 1.4 Finite Element Model The 3D finite element model of forming parts is built as shown in fig.3.
Acknowledgements This work was financially supported by the National Science Foundation of China (50975131) and the Natural Science Foundation of Jiangxi Province of China (20132BAB206013).
Influencing Factor Analysis on the surface quality of incremental forming parts[J].Journal of Mechanical Engineering,2012,49(8):84-90 [9] J.Zhou, S.T.Peng, X.Zhang, et al.
Table1 The forming proccess paramaters Feed rate ΔZ Tool head diameter D Feed speed V Forming angle θ Forming depth H (mm) (mm) (mm/min) (˚) (mm) 0.5 10 1800 45 25 1 1.5 2 3 1.3 Material Model This study adopts square sheet of 1060 aluminium alloy as the experimental materials, the demention is 280mm×280mm×1mm, the Von-Mises yield criterion is adopted as shown in table 2.
Table2 The material properties of aluminum alloy 1060 Title Yield stress(MPa) Elasticity modulus (MPa) Poisson ratio density (kg.m-3) Tensile Strength (MPa) Value 116 68900 0.33 2680 136 1.4 Finite Element Model The 3D finite element model of forming parts is built as shown in fig.3.
Acknowledgements This work was financially supported by the National Science Foundation of China (50975131) and the Natural Science Foundation of Jiangxi Province of China (20132BAB206013).
Influencing Factor Analysis on the surface quality of incremental forming parts[J].Journal of Mechanical Engineering,2012,49(8):84-90 [9] J.Zhou, S.T.Peng, X.Zhang, et al.
Online since: June 2014
Authors: Pin Chuan Chen, Chang Wei Pan
The idea of micromilling is based on the mechanical removal of the substrate materials.
Polycarbonate (PC) is a very popular material and it has been used for compact-disks and glasses.
Acknowledgement This work was supported and funded by National Science Council of Taiwan (NSC-101-2218-E-011-032) and Mechanical Engineering Department of National Taiwan University of Science and Technology (NTUST).
Park , Biochemical Engineering Journal Vol.29 (2006) , pp.91-97 [5] J.S.
Murphy: Journal of Sensors and Actuators B Vol.149 (2010) , pp.291-300
Polycarbonate (PC) is a very popular material and it has been used for compact-disks and glasses.
Acknowledgement This work was supported and funded by National Science Council of Taiwan (NSC-101-2218-E-011-032) and Mechanical Engineering Department of National Taiwan University of Science and Technology (NTUST).
Park , Biochemical Engineering Journal Vol.29 (2006) , pp.91-97 [5] J.S.
Murphy: Journal of Sensors and Actuators B Vol.149 (2010) , pp.291-300
Online since: May 2012
Authors: Kuan Liu, Jian Hao, Yong Kui Shi
Analysis on Key Strata’s Subsidence in Paste-Like filling face
Jian Hao 1,a, Yongkui Shi 2,b, Kuan Liu 3,c
1College of Resource and Environment Engineering, Shan Dong University of Science and Technology, Qingdao, 266590
2College of Resource and Environment Engineering, Shan Dong University of Science and Technology, Qingdao, 266590
3College of Resource and Environment Engineering, Shan Dong University of Science and Technology, Qingdao, 266590
amkaqjs@163.com, bshiyongkui@163.com, cliukuan19880606@163.com
Keywords: Paste-Like; Backfill Mining; Key Strata; Subsidence
Abstract.
In backfill mining, the gob is filled with the paste-like material, and the weight of overlying strata is mainly supported by the filling body.
In order to prevent water inrush and control the subsidence of the strata, the gob was filled with the paste-like materials.
The reason is that although the filling materials had been filled into the gob, it could not be ensured the filling rate was 100%.
[6] Minggao Qian, Jialin Xu and Xiexing Miao.343-348 2003(4), Journal of China University of Mining & Technology [7] Robert Cooke. 1997, 9-10: 363-370, Journal of Mines, Metals & Fuels
In backfill mining, the gob is filled with the paste-like material, and the weight of overlying strata is mainly supported by the filling body.
In order to prevent water inrush and control the subsidence of the strata, the gob was filled with the paste-like materials.
The reason is that although the filling materials had been filled into the gob, it could not be ensured the filling rate was 100%.
[6] Minggao Qian, Jialin Xu and Xiexing Miao.343-348 2003(4), Journal of China University of Mining & Technology [7] Robert Cooke. 1997, 9-10: 363-370, Journal of Mines, Metals & Fuels
Online since: July 2011
Authors: Zhi Liu, Jun De Xing
Introduction
Indole is an important organic raw material and fine chemical product with many uses in the fields of medicine, agriculture and indudstry[1-2].
Hosokawa, et al: Journal of Catalysis, Vol. 66(1980), p. 49 [5] N.
Zhang, et al: Chemical Journal of Chinese Universities, Vol. 26(2005), p. 1313( In Chinese) [10] J.
Sun: The Catalyst Science and Technology in Sustainable Development Strategies, the Eleventh National Academic Conference on Catalysis, edtied by Zhejiang University Press, Hangzhou(2002), p.1191( In Chinese).
Hosokawa, et al: Journal of Catalysis, Vol. 66(1980), p. 49 [5] N.
Zhang, et al: Chemical Journal of Chinese Universities, Vol. 26(2005), p. 1313( In Chinese) [10] J.
Sun: The Catalyst Science and Technology in Sustainable Development Strategies, the Eleventh National Academic Conference on Catalysis, edtied by Zhejiang University Press, Hangzhou(2002), p.1191( In Chinese).
Online since: January 2013
Authors: Hafizi Lukman, Amir Radzi Ab Ghani, Hafizan Hashim
Energy absorption of structures and materials, Woodhead Publishing, Cambridge, United Kingdom
Journal of Impact Engineering. 34: pp. 1739-1752
Materials and Design. 23: pp.611-617
Journal of Mechanical Sciences. 51: pp.64-76
Journal of Impact Engineering. 36: 402-417
Journal of Impact Engineering. 34: pp. 1739-1752
Materials and Design. 23: pp.611-617
Journal of Mechanical Sciences. 51: pp.64-76
Journal of Impact Engineering. 36: 402-417
Online since: June 2015
Authors: Mansor Hashim, Noruzaman Daud, Ra'ba'ah Syahidah Azis, Norlaily Mohd Saiden, N.M.M. Shahrani
Ferromagnetic oxide of BaFe12O19 (BFH) has a hexagonal crystal structure, written as BaO. 6Fe2O3 mainly used as permanent magnet materials.
A large distribution of starting powder would increase the tendency of abnormal grain growth of microstructure and reducing the efficiency of the magnetic materials.
Jönssonnsson, ISRN Materials Science, 2012 (2012) 9
[8] E.P.Wohlfarth, Ferromagnetic Materials: A handbook on the properties of magnetically ordered substances, North-Holland Publishing Company, New York, 1980
Yaseen, College of Basic Education Researchers Journal, 1 (2011)
A large distribution of starting powder would increase the tendency of abnormal grain growth of microstructure and reducing the efficiency of the magnetic materials.
Jönssonnsson, ISRN Materials Science, 2012 (2012) 9
[8] E.P.Wohlfarth, Ferromagnetic Materials: A handbook on the properties of magnetically ordered substances, North-Holland Publishing Company, New York, 1980
Yaseen, College of Basic Education Researchers Journal, 1 (2011)
Online since: January 2014
Authors: Xiao Lei Du, Fu Xing Zhang, Rong Qiu Xue, Li Yan Wang
Finite Difference Study on Seismic Reinforcement Force of Geo-grid Reinforced Soil Retaining Wall
Li-Yan Wang1,a, Xiao-Lei Du2,b , Fu-Xing Zhang3,c, Rong-Qiu Xue4,d
1School of Civil and architectural engineering, Jiangsu University of science and technology, 212003, Zhenjiang, China, PH(86)18952860415; FAX (86)-515-84432200;
2Bureau of water conservancy Liuzhou,545000, Liuzhou, China, PH(86)13505195867; FAX (86)-515-84432200;
3School of Civil and architectural engineering, Jiangsu University of science and technology, 212003, Zhenjiang, China, PH(86)18952860415; FAX (86)-515-84432200;
4School of Civil and architectural engineering, Jiangsu University of science and technology, 212003, Zhenjiang, China, PH(86)18952860415; FAX (86)-515-84432200;
Email a wly_yzu@163.com, b184409938 @qq.com, c1406224213@qq.com, dgoodrongqiu@126.com
Keywords: earthquake; geo-grid; reinforced soil retaining wall; seismic internal force
Abstract.
Figure 1 Mesh dissection of standard model Figure 2 Input earthquake motion Material parameters The backfill soil of the calculation model is sand in this paper, and the ground base below the wall is thick clay, and Mohr-Coulomb model is used to simulate backfill soil and foundation.
Table 1 Calculation parameters of soil and reinforced panel Material Type (kg/m3) G (MPa) K (MPa) c (kPa) (MPa) (°) backfill 1900 14 30 0 0 35 Foundationn 2000 18 40 15 0 30 wall 2400 2000 3000 7000 1 40 In the paper, the reinforced string is a simple direction geo-grid which is high Density Polyethylene (HDPE) and the geo-grid element is applied to simulate geo-grid which is provided in the program.
Acknowledgments The authors appreciate the support of National Natural Science Foundation of China (No. 51109099) and National Science Foundation for Post-doctoral Scientists of China (No.2011M50906) References [1] Huang, C.C., Investigations of soil retaining structures damaged during the Chi-Chi (Taiwan) earthquake, Journal of the Chinese Institute of Engineers,23(4), 417–428(2000) [2] Race, R., del Cid, H., Seismic performance of modular block retaining wall structures during the January 2001 El Salvador earthquake, In: Proc.
Forum, Taipei, Taiwan(2001) [3] Jian-Qi, LIU, Ning WANG, Yi ZHAO, Dynamic Tri-axial Test Research on Geo-grid Reinforced Clay in Different Containing Water Rates, Building Science,25(5):51-54 (2009) [4] Jian ZHOU, Qun-yan TANG, Jia-quan WANG, Jiao ZHANG, Microcosmic Study on Interface between Transverse Rib of Geo-grid and Sand, JOURNAL OF TONGJI UNIVERSITY(NATURAL SCIENCE), 38(8): 1128-1134 (2010) [5] Katdare Amey, Choudhury Deepankar, Effect of Rayleigh Wave on Seismic Active Earth Pressure behind Retaining Wall, Disaster Advances, Vol.5(4):(2012)
Figure 1 Mesh dissection of standard model Figure 2 Input earthquake motion Material parameters The backfill soil of the calculation model is sand in this paper, and the ground base below the wall is thick clay, and Mohr-Coulomb model is used to simulate backfill soil and foundation.
Table 1 Calculation parameters of soil and reinforced panel Material Type (kg/m3) G (MPa) K (MPa) c (kPa) (MPa) (°) backfill 1900 14 30 0 0 35 Foundationn 2000 18 40 15 0 30 wall 2400 2000 3000 7000 1 40 In the paper, the reinforced string is a simple direction geo-grid which is high Density Polyethylene (HDPE) and the geo-grid element is applied to simulate geo-grid which is provided in the program.
Acknowledgments The authors appreciate the support of National Natural Science Foundation of China (No. 51109099) and National Science Foundation for Post-doctoral Scientists of China (No.2011M50906) References [1] Huang, C.C., Investigations of soil retaining structures damaged during the Chi-Chi (Taiwan) earthquake, Journal of the Chinese Institute of Engineers,23(4), 417–428(2000) [2] Race, R., del Cid, H., Seismic performance of modular block retaining wall structures during the January 2001 El Salvador earthquake, In: Proc.
Forum, Taipei, Taiwan(2001) [3] Jian-Qi, LIU, Ning WANG, Yi ZHAO, Dynamic Tri-axial Test Research on Geo-grid Reinforced Clay in Different Containing Water Rates, Building Science,25(5):51-54 (2009) [4] Jian ZHOU, Qun-yan TANG, Jia-quan WANG, Jiao ZHANG, Microcosmic Study on Interface between Transverse Rib of Geo-grid and Sand, JOURNAL OF TONGJI UNIVERSITY(NATURAL SCIENCE), 38(8): 1128-1134 (2010) [5] Katdare Amey, Choudhury Deepankar, Effect of Rayleigh Wave on Seismic Active Earth Pressure behind Retaining Wall, Disaster Advances, Vol.5(4):(2012)