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Online since: December 2013
Authors: Shinichi Furusawa, Takao Tsurui, Kouhei Shimizu
TEM Observation and Ionic Conductivity Study of Li2SiO3 Thin-Film on Sapphire Substrate Shin-ichi Furusawa1, a, Takao Tsurui2, b and Kouhei Shimizu1 1) Advanced Production Science and Technology, Faculty of Engineering, Gunma University 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan 2) Department of Materials Science and Technology, Nagaoka University of Technology 1603-1 Kamitomioka-cho, Nagaoka 940-2188, Japan afurusawa@el.gunma-u.ac.jp, btsurui@mst.nagaokaut.ac.jp Keywords: Li2SiO3, thin-film, ionic conductivity, TEM, nanocrystal Abstract.
In particular, it is important to study the ionic conduction mechanism at a hetero-interface region formed by another material, for example, an insulating substrate (SiO2, MgO, Al2O3, etc.).
Therefore, we believe that studying the physical properties of non-rare- or less-rare-earth materials is also important.
(3) The sintered material was ground with ethanol.
Fergus, Journal of Power Sources Vol. 195 (2010) 4554
Online since: September 2011
Authors: Yan Wang, Wen Ge, Qian Yang, Wen Cheng
Introduction Nanocrystalline materials are of great importance in industrial applications due to their unique properties, especially mechanical and chemical properties[1].
Materials Science and Engineering Report, 1996, 16(4): p.161-221 [3] K.
The current research status of nanocrystalline materials[J].
Metal journal, 1997, 33(1): p.99-106.
The material corrosion and protection[M].
Online since: February 2012
Authors: Zhong Guo
The material which is used to make mould is relatively hard, there’s bottom outlet,narrow guide and horn in the impression of the mould, which is restricted of the identity such as the rigidity of the cutter and dimensions, so that the defective material especially in impression or die can not be cut completely by Milling Machining Process, right now, we should use the EDM.
Moreover, the copper electrode is widely used in mould making for its merit such as handing ease, cheap electrode materials,little waste and can be used in fine machining.
The material structure is shown in Fig.1.
References [1] Yanmin Miao Comprehensive Treatment of Thin-wall Parts of Deformation (Tobacco science technology, 2002) [2] Xiang Shi: The Mold CADCAM Technology and Application (China Machine Press, Beijing 2001)
Journal of Materials Science.
Online since: January 2011
Authors: Yi Yu Xue, Pei Tao Guo, Zhi Lin Xia, Li Xin Zhao, Rui Wu
Wuhan, 430070, China 2Key Laboratory of Low Dimensional Materials & Application Technology, Xiangtan University, Ministry of Education, Xiangtan, 411105, China aguopeitao@hotmail.com, blionl626@163.com, cxueyy@whut.edu.cn Keywords: Porous alumina; Anodic Oxidation; Glass substrate; Optical property; Morphology Abstract: Aluminum films were deposited on glass substrate by electron beam heat evaporation, and porous alumina films with high transmittance were prepared by means of anodic oxidation under different anodizing conditions in oxalic acid solution or phosphoric acid solution respectively.
Various antireflective coatings have been studied because of the increasing demands of optical components fabricated from glass-based optical materials.
Experimental 2.1 Deposition of aluminum films Aluminum (purity>99.999%) is coating material, and copper crucible the evaporation vessel, the aluminum thin films were deposited on glass by electron beam heating system in the ZZS700-6/G physical evaporation deposition system.
Acknowledgements The authors would like to express their appreciation to National Natural Science Foundation of China for financial support (Grant No. 10804090 and 10974150), the Fundamental Research Funds for the Central Universities(Grant No.2010-Ⅳ-056) and the Open Project Program of Low Dimensional Materials & Application Technology (Xiangtan University), Ministry of Education, China (No.KF0908).
References: [1] Jagminas A, Ina SL, Kurtinaitien M and Selskis A: Appl Surf Sci Vol. 239 (2003), p. 72 [2] Rahimi MH, Saramad S, Tabaian SH, Marashi SP, Zolfaghari A and Mohammadalinezhad M: Appl Surf Sci Vol. 515 (2009), p. 338 [3] Garcia-Vergara SJ, Hashimoto T, Skeldon P, Thompson GE and Habazaki H: Electrochim Acta Vol. 33 (2009), p. 841 [4] Artzi-Gerlitz R, Benkstein KD, Lahr DL, Hertz JL, Montgomery CB and Bonevich JE: Sensors and Actuators B Vol. 255 (2003), p. 8019 [5] Massou S, Masson L, Ozerov I, Moyen E, Sengupta K and Hanbcken M: Appl Surf Sci Vol. 256 (2009), p. 395 [6] Chik H and Xu JM: Materials Science and Engineering Vol. 132 (2004), p. 841 [7] Mehmood M, Rauf A, Rasheed MA, Saeed S, Akhter JI and Ahmad J: Mater Chem Phys Vol. 253 (2007), p. 4680 [8] Katsuta Y, Yasumori A, Wada K, Kurashima K, Suehara S and Inoue S: J Non-Cryst Solids Vol. 516(2008), p. 3633 [9] Mei YF, Wu XL, Qiu T, Shao XF, Siu GG and Chu PK: Thin Solid Films Vol. 85 (2005), p. 1186 [10] Yamaguchi
Online since: February 2011
Authors: Jun Sheng Li, Hai Tao Cheng
Owing to their excellent mechanical properties, biocompatibility and biodegradability, silks have been used as biomedical suture material for centuries and recently gained extensive applications as industry materials as well as biomaterials, such as scaffolds for tissue engineering , capsule, sphere and hydrogel [2, 3, 4].
Several hundreds thousand tons of waste silk and silkworm chrysalis were produced during the reeling every yaer, however, just only a small part of waste silk were furtherly used as silk spinning material, floss silk, cosmetic additives, nutritive additive and so on.
Materials and methods Materials.
Ajisawa: Journal Sericultural Science of Japan, Vol.67 (1998), p. 91 [7] E.
Dalgleish: Trends in Food Science & Technology, Vo1.8 (1997), p.1
Online since: November 2006
Authors: Zhi Hong Xu, Wen Yin Liang, Yu Jing Liang
Experimental Study of Steel Fibre Bridging Action on Crack Propagation in Fibre Reinforced Concrete Zhihong Xu1,a , Wenyin 1,b and Yujing Liang2,c 1 Science School, Nanjing University of Science&Technology, Nanjing,210094,China 2 Northwestern University,Chicago, IL,60607�USA a xuzh@mail.njust.edu.cn, bwenyin@sohu.com, cyliang@yahoo.com Key words: Fiber reinforced concrete, crack propagation, crack bridging, three points bending test Abstract.
Zhang etc [2] [3] studied the Mode I crack propagation in fiber reinforced concrete by fracture mechanics, the mode relies on the fracture toughness of hardened cement past ck1 and the δσ− relationship of the material as the fundamental material parameter for model input.
References [1] Victor C.Li�H.Stang�H.Krenchel� Material & Structures.Vol.26, 1993, pp.484-494 [2] M.Wecharatana, S.P.
Li� Cement&Concrete Composites .Vol.54,1997, pp.763-787 [4] Jun Zhang, Henrik Stange and Victor C.Li� Journal of Materials in Civil Engineering.
Vol 12, No.1, 2000, pp. 66-73 [5] W.Yeil�R.Huang�J.J.Chang: Advance Cement Based Materials.
Online since: August 2014
Authors: Roshafima R. Ali, Wan Aizan Wan Abdul Rahman, Rafiziana Md Kasmani, Ibrahim Norazana, Hasrinah Hasbullah, Aziatul Niza Sadikin
Materials were being dried in the oven at temperature of 65˚C for 48 hours to eliminate moisture prior to compounding.
This method was evaluated the resistance of polymeric materials to fungi.
Blends of incompatible synthetic polymers will results in production of weaker materials.
Journal of Applied Polymer Science, 54, pp. 1685-1695, 1994
Progress in Polymer Science, 34, pp. 1348-1368, 2009
Online since: May 2007
Authors: Ya Fang Han, Shu Suo Li, Yong Wang Kang, Chun Xiao Zhang
Of Aeronautical Materials, Beijing 100095, China lishs@buaa.edu.cn Keywords: alloy IC6AE; Ni3Al; NiCr-CrAl coating; oxidation resistance, hot corrosion resistance Abstract: The effect of NiCr-CrAl coating on the microstructure, oxidation and corrosion resistance, as well as mechanical properties of Ni3Al base alloy IC6AE has been studied in the present investigation.
Introduction Structural materials used in advanced jet engines at high temperatures must have good oxidation and hot corrosion resistance and mechanical properties [1].
Howeve, few materials can meet these requirements simultaneously, therefore the coating protection is usually needed.
Xing etc., Material Science and Engineering , A239-240 (1997) 871-876 [2] Y.
Chaturvedi, Material Science and Engineering , A192/193 (1995) 899-907 [3] Xiao Cheng-bo, Han Ya-fang, Journal Of Rare Earths, 2000, vol.18, No.2 [4]C.X.
Online since: May 2007
Authors: Xin Kang Du, Long Zhou, Cong Wang, Tian Min Wang, Bu Liang Chen, Ning Ru
Solar thermal power plants originally established by the Luz Company, which employs graded Mo- Al2O3 cermet materials for their solar absorptive tubes [7].
Based on above film structure, they developed M-AlN cermet materials solar coatings [9, 10].
Acknowledgements This work was financially supported by National Natural Science Foundation of China (NSFC) (50471004) References [1] V.
Rulmont: International Journal of Inorganic Materials.
Lett., Vol.60(1992), p.545 [9] Qi-Chu Zhang: Solar Energy Materials & Solar Cells, Vol.62(2000), p.63 [10] Q.
Online since: July 2014
Authors: Hong Tao Xie, Yun Sheng Zhao, Bo Li
If the deformation is too large, the damage of the pipeline will be caused, The impact between metro tunnel construction and the adjacent underground pipeline is mutual, which is not only associated with pipeline type, damage condition, pipeline materials and joint type, but also about construction methods, construction technology and management, engineering and hydrogeological conditions[4, 5].
Four underground pipelines were selected to investigate their type, material, joint type, depth, damage condition, as well as plane location relation with tunnel.
Zhang, et al: Journal of Railway Engineering Society.
Wang: “Safety evaluation and control on underground pipeline influenced by metro construction”, International Conference on Management and Service Science, MASS 2011, Wuhan, China 2011
Chen: “Study on grouting heave for pipeline underground in urban tunnel engineering”, 2nd International Conference on Applied Mechanics and Materials, Switzerland, p.492, 2014.