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Online since: October 2007
Authors: Lian Meng Zhang, Qiang Shen, Yan Sheng Gong, Zu Sheng Zhan
Growth and properties of pulsed laser deposited K3Li2Nb5O15 thin films
Zhan zusheng1 , Gong Yansheng
1, 2
, Shen Qiang1 and Zhang Lianmeng1, a
1
State Key Lab of Advanced Technology for Material Synthesis and Processing, Wuhan University
of Technology, Wuhan, 430070, China
2
School of Materials Science and Chemical Engineering, China University of Geosciences, Hubei,
Wuhan 430074, China.
Potassium lithium niobate (KLN: K3Li2Nb5O15) films have been deposited on quartz glass by Pulsed laser deposition (PLD) technique using a stoichiometric KLN target as starting materials.
Combined with a stoichiometry transfer between target and substrate, Pulsed Laser Deposition (PLD) allows depositing all kinds of different materials and even allows preparing complex compounds and multilayers with high deposition rates [10,11].
References [1] Masatoshi Adachi, Akira Kawabata and Fumio Takeda: Japanese Journal of Applied Physics Vol. 30(1991), P. 2208 [2] K.Nashimoto, D.K.Fork and T.H.
Vol. 33 (2004), P. 23 [11] Yuxue Liu, Hiroshi Masumoto and Takashi Goto: Materials Transactions Vol. 45(2004), P. 900 [12] P.S.
Potassium lithium niobate (KLN: K3Li2Nb5O15) films have been deposited on quartz glass by Pulsed laser deposition (PLD) technique using a stoichiometric KLN target as starting materials.
Combined with a stoichiometry transfer between target and substrate, Pulsed Laser Deposition (PLD) allows depositing all kinds of different materials and even allows preparing complex compounds and multilayers with high deposition rates [10,11].
References [1] Masatoshi Adachi, Akira Kawabata and Fumio Takeda: Japanese Journal of Applied Physics Vol. 30(1991), P. 2208 [2] K.Nashimoto, D.K.Fork and T.H.
Vol. 33 (2004), P. 23 [11] Yuxue Liu, Hiroshi Masumoto and Takashi Goto: Materials Transactions Vol. 45(2004), P. 900 [12] P.S.
Online since: September 2011
Authors: Wei Ming Yan, Qian Zhou
Wu: Journal of Shenyang Jianzhu University (Natural Science) Vol.24 (2008), p. 252 (in Chinese)
[8] W.
Nicholas: Journal of Engineering Mechanics Vol.117 (1991), p. 2286 [9] W.
Zhang: Journal of Engineering Mechanics Vol.119 (1993),p. 145 [11] S.
Hogan: Journal of Engineering Mechanics Vol.120 (1994), p. 11 [12] Y.
Lin: Journal of Ho-hai University (Natural Sciences) Vol.4 (1982), p. 71(in Chinese)
Nicholas: Journal of Engineering Mechanics Vol.117 (1991), p. 2286 [9] W.
Zhang: Journal of Engineering Mechanics Vol.119 (1993),p. 145 [11] S.
Hogan: Journal of Engineering Mechanics Vol.120 (1994), p. 11 [12] Y.
Lin: Journal of Ho-hai University (Natural Sciences) Vol.4 (1982), p. 71(in Chinese)
Online since: April 2019
Authors: Ilesanmi Afolabi Daniyan, Emmanuel I. Bello, Tunde I. Ogedengbe, Pius B. Mogaji
Research Journal in Engineering and Applied Sciences. (2013). 2(13):182-186
British Journal of Applied Science and Technology. (2016). 13(3):1-14
[35] American Society of Testing Materials, ASTM (2015).
Journal of Petroleum Science Research, (2012). 1(3)36-43
Research Journal of Applied Sciences, Engineering and Technology. 2014;8(9):1149–1159
British Journal of Applied Science and Technology. (2016). 13(3):1-14
[35] American Society of Testing Materials, ASTM (2015).
Journal of Petroleum Science Research, (2012). 1(3)36-43
Research Journal of Applied Sciences, Engineering and Technology. 2014;8(9):1149–1159
Online since: June 2013
Authors: Wei Liu, Qiong Hua Zhou
Synthesis or preparation is the foundation of the research and application for all the materials.
At present, there are two main approaches to synthesize nc-materials.
Thermal stability is an important character for nc-materials because the nc-materials may lose its unique properties when the average grain size exceeds 100 nm.
Nc-materials with good thermal stability could be applied at relative high temperatures.
[6]W.Liu, Y.J.Tang, and G.Chu, Materials Science and Technology, 14(2006)127-130
At present, there are two main approaches to synthesize nc-materials.
Thermal stability is an important character for nc-materials because the nc-materials may lose its unique properties when the average grain size exceeds 100 nm.
Nc-materials with good thermal stability could be applied at relative high temperatures.
[6]W.Liu, Y.J.Tang, and G.Chu, Materials Science and Technology, 14(2006)127-130
Risk Management of Induced Micro-Seismicity Caused by Hydraulic Fracturing through Acoustic Emission
Online since: August 2013
Authors: Chao Yin Feng, Yuan Feng
AE is a kind of the sound waves produced when materials suffer stress variation.
Acoustic emission monitor methods Acoustic Emission (AE) is the phenomenon that elastic waves are released when materials suffer stress.
As all materials regardless of metal or nonmetal have AE phenomenon, it can be applied dependably in the complex geological conditions.
Lavrov: International Journal of Rock Mechanics and Mining Sciences, Vol. 40(2003) No.2, p.151-171
Peterson: International Journal of Rock Mechanics and Mining Sciences, Vol. 44(2007) No.8, p.1079-1090
Acoustic emission monitor methods Acoustic Emission (AE) is the phenomenon that elastic waves are released when materials suffer stress.
As all materials regardless of metal or nonmetal have AE phenomenon, it can be applied dependably in the complex geological conditions.
Lavrov: International Journal of Rock Mechanics and Mining Sciences, Vol. 40(2003) No.2, p.151-171
Peterson: International Journal of Rock Mechanics and Mining Sciences, Vol. 44(2007) No.8, p.1079-1090
Online since: August 2011
Authors: Ming Der Jean, Ming Tsong Chou
The structure of the thin films was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and a 3D surface topography scanning system.
2 Materials and methods
2.1 Experimental materials and conditions
A closed UBMS depositing system was used in this study to deposit the CrN films.
The ball materials were AISI 52100-chromium steel (HRC 67) and brass (HRB 170).
Figure 6b illustrates the accumulation of a lot of materials over the wear track.
Chou, Journal of America Ceramic Society, 91(2008 )1539
Chou, Applied Surface Science 253 (2007) 3254
The ball materials were AISI 52100-chromium steel (HRC 67) and brass (HRB 170).
Figure 6b illustrates the accumulation of a lot of materials over the wear track.
Chou, Journal of America Ceramic Society, 91(2008 )1539
Chou, Applied Surface Science 253 (2007) 3254
Online since: January 2013
Authors: Heikki I. Helava, Evgeny N. Mokhov, Oleg A. Avdeev, Mark G. Ramm, Alexander V. Vasiliev, Dmitri P. Litvin, Alexander D. Roenkov, Sergey S. Nagalyuk, Yuri Makarov
With newer, high purity W materials the crucible lifetime is not an issue.
Problem #3: Materials incompatibility.
Talalev Control of SiC Growth and graphitization in sublimation sandwich system Materials Science and Engineering B46 (1997) 340-344
Makarov Optimization of sublimation growth of SiC bulk crystals using modeling Materials Science and Engineering B61–62 (1999) 107–112
Nishino, Effect of Tantalum in Sublimation Growth of Aluminum Nitride, Materials Science Forum Vols. 433-436 (2003) 975-978.
Problem #3: Materials incompatibility.
Talalev Control of SiC Growth and graphitization in sublimation sandwich system Materials Science and Engineering B46 (1997) 340-344
Makarov Optimization of sublimation growth of SiC bulk crystals using modeling Materials Science and Engineering B61–62 (1999) 107–112
Nishino, Effect of Tantalum in Sublimation Growth of Aluminum Nitride, Materials Science Forum Vols. 433-436 (2003) 975-978.
Online since: August 2013
Authors: Yong Qiang Wang
With respect to fire prevention, the selection of building materials has strict rules according to the fire prevention norm.
Due to the building function and service condition, the building materials should be flame-retarded, nonflammable or self-extinguishing, or materials that could not release toxic gases to harm people in case of fire.
Acknowledgments This work is supported by National Natural Science Foundation (61174007, 61070175), and the Shandong Province Natural Science Foundation(ZR2010FL020).
Fire Safety Journal, Volume 58, May 2013,Pages 65-73 [4] Shen-Wen Chien, Guan-Yuan Wu.The strategies of fire prevention on residential fire in Taipei.
Procedia-Social and Behavioral Sciences, Volume 2, Issue 1, 2010,Pages 105-110
Due to the building function and service condition, the building materials should be flame-retarded, nonflammable or self-extinguishing, or materials that could not release toxic gases to harm people in case of fire.
Acknowledgments This work is supported by National Natural Science Foundation (61174007, 61070175), and the Shandong Province Natural Science Foundation(ZR2010FL020).
Fire Safety Journal, Volume 58, May 2013,Pages 65-73 [4] Shen-Wen Chien, Guan-Yuan Wu.The strategies of fire prevention on residential fire in Taipei.
Procedia-Social and Behavioral Sciences, Volume 2, Issue 1, 2010,Pages 105-110
Online since: July 2012
Authors: Wei Bin Ma, Hong Bo Xie
Mathematical Simulation Analysis of Concrete Perforated Bricks with Three-dimension Conjugate Heat Transfer
Hong-bo XIE 1,2,3,a, Wei-bin MA 1,2,b
1.Key Laboratory of Renewable Energy and Gas Hydrate, Guangzhou Institute of Energy Conversion,Chinese Academy of Sciences, Guangzhou 510640,China;
2.Graduate University of the Chinese Academy of Sciences,Beijing 100039,China;
3.GuangDong Building Material Research Institute,Guangzhou 510160,China;
aemali:gdbuilding@163.com, bemail: mawb@ms.giec.ac.cn
Keywords: conjugate heat transfer; air interlayer; effective conductivity
Abstract: 3-D heat transfer behaviors in two types of concrete perforated bricks used in external walls were numerically simulated.
For examples, the perforated bricks or insulation materials are usually used in external walls and double-layer low-E glasses are gradually used as windows.
Air has low conductivity than many solid materials, so that air interlayer is often used as insulation to lower heat flux through solid.
The establishment and apply of computing program.of the working fluids’ thermal properties, Beijing: Science Press 2009, Pp3-5
Journal of HuaZhong University of Science and Technology(Urban Science Edition), Vol19(7), No.4,2002.
For examples, the perforated bricks or insulation materials are usually used in external walls and double-layer low-E glasses are gradually used as windows.
Air has low conductivity than many solid materials, so that air interlayer is often used as insulation to lower heat flux through solid.
The establishment and apply of computing program.of the working fluids’ thermal properties, Beijing: Science Press 2009, Pp3-5
Journal of HuaZhong University of Science and Technology(Urban Science Edition), Vol19(7), No.4,2002.
Online since: August 2014
Authors: Wei Chen, Gui Qiang Wang, Xiao Wei Fan, Xiao Ning Wang, Xiao Jiang Xiong, He Bing Chen
China 100850
2 Condictions Office, Ministry of Science and Technology, Academy of Military Medical Sciences, Beijing.
It will directly affects purchase cost, material capability and even logistics supporting efficiency.
Summary This paper adopt the“Multi-lever layer-grey relation analysis method” to analysis the material purchasing business, it is based on several layer judgment index and can be used to the item of the material purchasing Decision Support System.
An analysis of vendor selection systems and decisions[J].Journal of Purchasing,2009, 2: 28-41
Vendor selection criteriaand methods[J].European Journal of Operational Research,2011,50: 2-18 [3] Nagarajan Moscic G.Game-theoretical analysis of cooperation among supply chain agents: Review and exeten-sions[J].European Journal of Operation Research ,2012, 187:719-745
It will directly affects purchase cost, material capability and even logistics supporting efficiency.
Summary This paper adopt the“Multi-lever layer-grey relation analysis method” to analysis the material purchasing business, it is based on several layer judgment index and can be used to the item of the material purchasing Decision Support System.
An analysis of vendor selection systems and decisions[J].Journal of Purchasing,2009, 2: 28-41
Vendor selection criteriaand methods[J].European Journal of Operational Research,2011,50: 2-18 [3] Nagarajan Moscic G.Game-theoretical analysis of cooperation among supply chain agents: Review and exeten-sions[J].European Journal of Operation Research ,2012, 187:719-745