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Online since: January 2014
Authors: Fu Xiong Wan
The problem of which fireproofing material should be choose and how to make fireproofing measure needs to resolve.
The problem of which fireproofing material should be choosed and how to make fireproofing measure needs to resolve.
The measures include: thickness of fireproofing material, fireproofing position and fixed mode.
The research demonstrates the two fireproofing material can not supply effective protection for FRP.
China Civil Engineering Journal.2007,40(6):26~31,41
Online since: September 2013
Authors: Ji Ming Zhang, Yong Tai Chen, Jie Qiong Hu, Song Wang, Sai Bei Wang, Man Men Liu, You Cai Yang, Ming Xie
The metal oxides in AgMeO contact materials include CdO, SnO2, ZnO, CuO, NiO, Bi2O3, Re2O3,etc[4-8].
Silver-metal oxide (AgMeO) electrical contact materials have been carried on a large amount of researches at home and abroad, the results show that composite silver-metal oxide (AgMeO) electrical contact materials, which contain two kinds or more oxidation ,have better performances of wear resistance and welding resistance[9].
Nowadays, composite silver-metal oxide (AgMeO) electrical contact materials researches are mainly focused on AgSnO2In2O3 [10], AgSnO2Bi2O3 [11], AgCuONiO [12], etc.
References [1] Chen Hongyan, Xie Ming, Wang Jin et al: Precious Metals Vol. 32 No.2 (2011), p.77 [2] Zhang Delin, Lin Chenguang, Wang Jiajun et al: Powder Metallurgy Technology, Vol. 26 No.6 (2008), p.459 [3] Li Sishan, Huang Fuxiang, Wang Zhen et al: Materials Review Vol. 22 (2008), p.303 [4] Wei Shujuan : Nonferrous Metals Vol. 44 No.4 (1992), p.68 [5] Li Jin, Ma Guang, Sun Xiaoliang et al : Electrical Engineering Materials No.3 (2011), p.3 [6] WU Chunping,YI Danqing,LI Jian et al :Electrical Engineering Materials No.4 (2006), p.23 [7] Wang Jiazhen, Wang Yaping, Yang Zhimao: Rare Metal Materials and Engineering Vol. 34 No.3 (2005), p.405 [8] Jing qin, Lu Jianguo, Wen Ming et al: Rare Metal Materials and Engineering Vol. 30 No.3 (2001), p.205 [9] Ni Mengliang, Ling Guoping, Liu Yuanting: Electrical Engineering Materials No.2 (2005), p.7 [10] Xie Ming, Yang Youcai, Li Yushen et al: Precious Metals Vol. 27 No.4 (2006), p.61 [11] Wang Haitao, Wang Jingqin, Zhao Jingying: Rare
Metal Materials and Engineering, Vol. 34 No.10 (2005), p.1665 [12] Wang Xinjian, Wang Yaodong, Yu Lei et al: Chinese Journal of Rare Metals Vol. 34 No.5 (2010), p.694 [13] Zhou Xiaolong, Chen Jingchao, Cao Jianchun et al : Rare Metal Materials and Engineering, Vol. 35 No.5 (2006), p.814 [14] Wu Chunping, Yi Danqing, Li Jian et al: Precious Metals Vol. 28 No.2 (2007), p.28 [15] Hu Genxiang, Cai Xun, Rong Yonghua: Fundamentals of Materials Science (ShangHai Jiao Tong University Press Publications, Shanghai 2000) [16] Xiong Yifen: Precious Metals Vol. 11 No.2 (1990), p.39 [17] Li Meishuan: High Temperature Corrosion of Metal(Metallurgical Industry Press Publications, Beijing 2001)
Online since: September 2014
Authors: Fan Zhang
According to the operation of the demonstration plant, problems may be encountered in scale-up were proposed. 1 Introduction As important chemical platform chemicals, ethylene and propylene are the basic raw materials for the synthesis of many downstream chemical products[1-3].
The coal-based olefin technology created a new technological way for producing basic organic chemical raw materials from coal.
However, due to the high temperature reaction and high pressure regions of MTO technology induced by the involvement of large quantities of flammable materials, the device is thereby provided with certain technological risks.
CIESC Journal, 61 (2010): 1674-1684
Microporous and Mesoporous Materials, 2012
Online since: August 2015
Authors: Abdulrahman Yousif, Azuraien Japper-Jaafar
This section is preceded and succeeded by 90º angle bends from the same material illustrated in Figure 2 and 3.
In order to allow the modelling and solving complex viscous materials in FLUENT the turbulent non-Newtonian the option to do so was turned on via text interface with the command ‘/define/models/viscous/turbulence-expert/turb-non-newtonian’ followed by an affirmative option; this allows for the entry of the carreau model for viscosity.
Ito, "Friction Factors for Turbulent Flow in Curved Pipes," Journal of Basic Engineering, pp. 123-134, 1959
A., "The Flow of Cream through Narrow Glass Tubes," Journal of physical chemistry, pp. 853–864, 1939
Y., "Effects of solvent and concentration on scission of polymers with high-speed stirring," Journal of Applied Polymer Science, vol. 19, no. 8, pp. 2119–2130, 1975
Online since: March 2011
Authors: Shen Hua Yang, Yong Zhao, Qi Feng Zheng
Experimental Materials and sampling.
In fact, the different materials at local zone around the starting notches make the fracture toughness of material KIc vary.
Disfigurement analysis on fracture splitting of connecting rod by numerical simulation.MATERIALS SCIENCE & TECHNOLOGY Vol.16,pp.776-780,(2008)
Materials Science and Engineering Vol. 12,pp. 1-12,(2007) [10].
E., Plane Strain Fracture Toughness Testing of High Strength Metallic Materials, ASTM, STP 410,(1969)
Online since: February 2016
Authors: D.K. Kostrin, A.A. Lisenkov
Implementation of technological process in vacuum provides purity of received coatings and their high adhesion to materials with different physical and chemical characteristics.
Wasa, Handbook of sputter deposition technology: fundamentals and applications for functional thin films, nano-materials and MEMS, William Andrew, Norwich, 2012
Adachi, Thin film materials technology: sputtering of compound materials, William Andrew, Norwich, 2004
Kesayev, The cathode processes of an electric arc, Science, Moscow, 1968
Selivanov, Use of compact spectrometer for plasma emission qualitative analysis, Journal of Physics: Conference Series. 567 (2014) 012039
Online since: October 2018
Authors: L.M. Karimova, D.V. Zakharyan, Andrey A. Shoppert
The hydrometallurgical leaching of such materials has a low degree of extraction of target components in the solution at atmospheric pressure [3].
Using the method of alkali-fusing previously been investigated for the processing of other copper-containing materials [20, 21], which shows the possibility of significant enrichment of raw materials.
Consequently, the technology of processing of low-grade copper raw materials is proposed that allows to increase the comprehensiveness of raw materials use and avoid expensive high-corrosion methods.
J. of Eng. and Science. 2 (2013) 01-16
Rogozhnikov, Alkali fusion-leaching method for comprehensive processing of fly ash, Technogen Conference Proceedings, KnE Materials Science. 1 (2017) 89-96
Online since: March 2017
Authors: Bandar Ali Al-Asbahi, Kuan Ying Kok, Nur Ubaidah Saidin, Mohammad Hafizuddin Jumali, Siti Aishah Ahmad Fuzi
There are two main groups of electroluminescence organic materials used for OLED namely small molecule materials and conjugated polymers.
There are few examples of polymers such as PPV, MEH-PPV, PF and PFO that meet the criteria for materials selection for OLEDs devices.
This will contribute to higher absorption peak of nanocomposites materials in the visible region.
Hsu, Optical and electrical properties of PPV/SiO2 and PPV/TiO2 composite materials.
Wang: Near-Infrared Organic Materials and Emerging Applications.
Online since: October 2012
Authors: Kalappa Prashantha, Jérémie Soulestin, Patricia Krawczak, Jean Marie Raquez, Hélène Schmitt, Marie France Lacrampe
Introduction In recent years, the constant search for new materials to limit the carbon footprint of polymeric materials has resulted in the development of new biopolymers obtained from renewable resources.
Experimental Materials.
The cryofractured surfaces of the materials were observed using scanning electron microscopy (SEM) instrument (S-4300SE/N, Hitachi, Japan) operating at 5kV.
Composites Science and Technology, 69 (2009) 1756-1763 [5] K.
Jia, Poly(vinyl alcohol)/halloysite nanotubes bionanocomposite films: Properties ans in vitro osteoblasts and fibroblasts response, Journal of Biomedical Materials Research Part A, 93A (2009) 1574-1587 [9] Pi.
Online since: October 2016
Authors: Jian Wen Zhao, Bo Huang, Yong Ge, Shu Wang
New Resonance Mode of Dielectric Elastomer Minimum Energy Structure Jianwen Zhao1,2,a,*, Yong Ge1,b*, Shu Wang1,c and Bo Huang1,d 1Department of Mechanical Engineering, Harbin Institute of Technology, Weihai, 264209, China 2Department of Materials Science and Engineering, University of California, Los Angeles, CA 90024, USA azhaojianwen@hit.edu.cn, bhitgeyong@hotmail.com, cwangshuhit14@sina.com, dhuangbo74@163.com Keywords: dielectric elastomer minimum energy structure(DEMES), dynamics response, resonance, dynamics analysis Abstract.
After adhering a pre-stretched DE film to a thin elastic frame such as polyethylene terephthalate (PET) [6-,7,[] David McCoul and Qibing Pei, Tubular dielectric elastomer actuator for active fluidic control, Smart Materials and Structures. 2015, 24, 105016. ], acrylonitrile butadiene styrene (ABS) [[] Petralia M T, Wood R J.
IEEE, 2010: 2357-2363. ], or polyvinyl chloride (PVC) [[] Buchberger G, Hauser B, Schoeftner J, et al, Temporal change in the electromechanical properties of dielectric elastomer minimum energy structures, Journal of Applied Physics. 2014, 115(21): 214105. ], the restoring force of the film bends the elastic frame into a minimum energy state.
SPIE 9430, Electroactive Polymer Actuators and Devices (EAPAD). 2015, 94301S. ,[] Jun Shintake, Samuel Rosset, Bryan Schubert, et al, Versatile soft grippers with intrinsic electroadhesion based on multifunctional polymer actuators, Advanced Materials. 2015,28(2): 04264-04264-28. ,[] Rasmussen, Lenore, et al, Electroactivity in Polymeric Materials, in: Gisby T, O’Brien B, Anderson I A (Eds.), Touch Sensitive Dielectric Elastomer Artificial Muscles , Springer, US, 2012, pp. 131-141. ,[] Rosset S, Araromi O A, Shintake J, et al, Model and design of dielectric elastomer minimum energy structures, Smart Materials and Structures. 2014, 23(8): 75-93. ,[] Rhode-Barbarigos L, Wagner S, Adriaenssens S, Modeling dielectric-elastomer minimum-energy structures using dynamic relaxation with appropriate material behavior, MRS Proceedings.
Acknowledgments This work was supported by National Natural Science Foundation of China (Grant No. 51205076), China Postdoctoral Science Foundation (Grant No. 2013M541359) and Aerospace Foundation (Grant No. 2013-HT-HGD04).