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Online since: May 2011
Authors: Zhi Gang Feng, Zhen Ping Tang, Hui Juan Li
Introduction Limestone (major ingredient is CaCO3) is usual component in shale rocks and coal gangues, and also a chief criminal causing lime brust of sintering bricks made from these materials [1].
By simulating current sintering technique [4], the raw materials are ground (<2 mm) and mixed in term of rock/coal mass ration of 20:1.
It can be seen that, the more fine the granulity of limestone in the raw materials is, the more high the critical content of limestone is.
Li: Science in China (Series D), Vol. 42(6) (1999), p. 572 [6] N.
Cen: Journal of Zhejiang University (Engineering Science), Vol. 37(5) (2003), p. 612, in Chinese
Online since: October 2006
Authors: M. Hufschmidt, Michael Modigell
Currently it is well documented that semi solid materials show shear thinning thixotropic behavior [1,2].
For pure viscous materials it is 90°, and for pure elastic material it is 0°.
Acknowledgement The authors wish to thank the German Science Foundation (DFG) for their financial support.
Picone: Rheology of Semi Solid Al-4.5%Cu-1.5%Mg Alloy, Materials Science Engineering Vol.
Loue: Mathematical and Computational Modeling of Die Filling in Semi Solid Metal Processing, J. of Materials Processing Technology Vol. 96 (1999), pp. 59-72 [4] Rheol.
Online since: December 2012
Authors: Duo You Zhang, Peng Liu, Chun Fa Ouyoung, Qun Gao, Kang Sheng Zheng, He Feng Hu, Zhi Jie Li
Influence of PNA012 on Crystallization and Mechanical Properties of Polybutylene Terephthalate Duoyou Zhang1 , Peng Liu2, Chunfa Ouyang2,a, Qun Gao2, Kangsheng Zheng2, Hefeng Hu1, Zhijie Li3 1School of Materials Science & Engineering, Shanghai University, Shanghai, 200444, China 2School of Materials Science & Engineering, Shanghai Institute of Technology, Shanghai, 201418, China 3shanghai Intco Industries Co.
Materials used in the experiment Name Grade Manufacturer PBT B4500 Suzhou Wanhe Plastic Product Co.
Compounding formulations Ingredients N0 N0.1 N0.2 N0.3 N0.5 PBT(wt%) 100 99.9 99.8 99.7 99.5 PNA012(wt%) 0 0.1 0.2 0.3 0.5 Experimental Materials.
Materials used in experiment are listed in table 2.
The heat distortion temperatures (HDT) of samples were measured on a vicat softening testing machine (ZWK-3, Shenzhen New Sans Materials Detection Co., LTD) according to ASTM D648.
Online since: January 2013
Authors: Yu Cheng Yin, Shan Ge, Jiu Chang Lu, Yong He Liang, Zhi Qiang Liu
These compounds would be blow away by molten iron and/or slag, and result in continuous corrosion of refractories materials; meanwhile, the oxidation of carbon would cause pores formation inside, and this would accelerate the corrosion of refractory materials, because Pores are main throughs for oxygen diffusion and slag penetration.
Raw materials listed in Table.1 were used to prepare Al2O3-SiC-C castable samples.
Balancing 3kg raw materials according to Table 1, and then mixing for half one minute, successively, 5.5wt% water was added into mixture, keep mixing, the total mixing time is 5 minutes.
Morris, etal, Zirconia sol-gel coatings on alumina-silica refractory material for improved corrosion resistance, Surface & Coatings Technology. 204(2009) 477-483
Kiminami, The monoclinic-tetragonal phase transformation of zirconia in the system ZrO2-Fe2O3, Journal of materials science letters. 9(1990) 373.
Online since: February 2018
Authors: Robert Tremblay, Ali Imanpour, Martin Leclerc, Romain Siguier
The nominal yield strength Fy = 345 MPa was assigned to the steel material for the columns and struts.
That value was reduced by 5% in the first tier to simulate possible variations in material properties.
ACKNOWLEDGEMENTS Financial support for this research was provided by the Natural Sciences and Engineering Research Council (NSERC) of Canada.
[2] Mahin SA, Shing PB, Thewalt CR, Hanson RD, “Pseudodynamic Test Method – Current status and Future Trends,” Journal of Structural Engineering, 115(8): 2113-2128, 1989
[5] Bonelli A, Bursi OS, “Predictor-corrector procedures for pseudo-dynamic tests,” International Journal of Computerized Aided Engineering Software, 22(7): 783–834, 2005
Online since: October 2008
Authors: Jin Ping Ou, Ya Chuan Kuang
SMA Smart Concrete 2.1 Characteristics of materials Shape Memory Alloy (SMA) is a smart material with two useful forms: the shape memory form which enable a prescribed shape change upon heating and the super-elastic form.
Materials and Deign. 2000, 21(6): 525-528 [2] C.
Smart Materials and Structures. 1998, 7(5): 759-770 [3] K.
Journal of Engineering Mechanics. 1998, 124(10):1121-1128
Smart Materials and Structures. 1998, 7(5): 588-598 [5] H.
Online since: December 2012
Authors: Ying Hao Xing, Ke Ding, Jun Wu, Zong Yi Wang
Detecting the Eight Kinds of Organic Solvent Residue in Paper by HS-GC/MS XING Yinghaoa, WU Junb, WANG Zongyic and DING Ked Food Science and Engineering College, Beijing University of Agriculture, China aXingyinghao1025@sina.com, bwujun9173@163.com (Corresponding author), cwangzongyi001@sina.com, ddingk@tom.com Keywords: Residual organic solvent; HS-GC/MS; Response surface method; Paper sample Abstract.
S., & Bosnea, L.: Critical Reviews in Food Science and Nutrition (2004) ].
If the food package materials contained high residual solvent, that food will be harmful to the people’s health.
LIU XS [[] LIU XS, WANG LX, CAO YH: Journal of Anhui Agricultural University (2010) ] chosed 70ºC and 60 min, Wei LL [[] Wei LL: Quality and Technical Supervision Research (2012) ] used 80ºC and 30 min as the pre-condition, Kong XW [[] Kong XW: Quality Exploration (2011) ] selected 100ºC with 30 min, Zhao WL[[] Zhao WL, Gong YH: Chinese Journal of Health Laboratory Technology (2008) ] made 110ºC and 50 min.
According to Design-Expert 7.0 software [[] Xu Xianghong, He Mingzhu: Application of Experiment design and design-expert , SPSS (Science Press, Beijing2010) ], we chose the Central Composite Design (CCD).
Online since: July 2015
Authors: Yong Jie Ciou, Yean Ren Hwang, Jing Chie Lin
Furthermore, LECD can be applied to multiple materials such as metals, metal alloys, piezoelectric material, conducting polymers, and semiconductors [13].
Hunter, Sixth International Symposium on Micro Machine and Human Science, p.77-81 (1995)
Stuke, Science, 270, pp.1644 (1995)
Said, Journal of Microelectromechanical Systems, 13(5), p. 822-832 (2004)
Lin, Journal of Micromech.
Online since: August 2013
Authors: Xin Zhang, Shu Xia Shen
Secondly, governments should show humanitarian cares to victims apart from material assistance.
Acknowledgements This work was financially supported by AOC Youth Project “Marine Disaster Relief Guarantee Capability” (AOCQN2012), Philosophy and Social Science Fund Project of Jiangsu Province (12GLC007) and Philosophy and Social Science Fund Project of Universities in Jiangsu Province (2011SJD630004).
Cui: Journal of Jinan University, vol. 20(2010), p.67-70.
Zhou: Social Science Research, vol. 6(2008), p.37-43.
Journal of Cleaner Production, vol. 14(2006), p.225-226.
Online since: January 2012
Authors: Qi Liu
In design of this system, several questions should be pay attention to as following: (1) in the design of optical system, lens with greater toughness and material that is able to bear rub should be selected; (2) The disperse angle is related to the focus of concave lens.
“Design of Simple Wireless Communication System”, Journal of North University of China(Natural Science Edition, 2007,(S1) [5] Zheng Jianfeng, Feng Zhenghe.
“A Review of Polarized Antennas for MIMO Wireless Communications”, China Basic Science, 2007,(06) [6] Chu Zheng, Xie Fei.
“Development of UWB”, Telecommunications Science, 2007,(11):18-20 [7] Zhou Jian, Li Binhong.
“Propagation Prediction Model for Indoor Wireless Communications”, Journal of Shanghai Jiaotong University, 1999,(9):29-32