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Online since: December 2014
Authors: Mauro Cesar Terence, Ederson Esteves Silva, Juan Alfredo Guevara Carrió
Electrochemically Exfoliated Graphene
aMauro Cesar Terence, bEderson Esteves Silva,
cJuan Alfredo Guevara Carrió
1 MackGraphe – Graphene and Nano-Materials Research Center, Mackenzie Presbyterian University, São Paulo/SP, Brasil
Rua da Consolação, 930 – Prédio 6 – Consolação
amauroterence@yahoo.com.br, bedersonesteves@gmail.com, cjuan.carrio@mackenzie.br
Keywords: Graphene, electrochemical exfoliation.
With properties that could not be achieved with microscale materials this nanostructure has a huge number of qualities that are amazing, Great expectations are generated about the possibilities of application in several areas of technology, such as electronic devices, opto-electronic, transparent electrodes, energy storage, catalyst, drug release system and sensors [1,2,4].
Within a few minutes, it is easy to notice the amount of exfoliated material.
Advances in Materials Science and Engineering, (2013) 1-5 [4] J.
Li, Building up Graphene-Based Conductive Polymer Composite Thin Films Using Reduced Graphene Oxide Prepared by 𝛾-Ray Irradiation, The Scientific World Journal. (2013) 1-7
With properties that could not be achieved with microscale materials this nanostructure has a huge number of qualities that are amazing, Great expectations are generated about the possibilities of application in several areas of technology, such as electronic devices, opto-electronic, transparent electrodes, energy storage, catalyst, drug release system and sensors [1,2,4].
Within a few minutes, it is easy to notice the amount of exfoliated material.
Advances in Materials Science and Engineering, (2013) 1-5 [4] J.
Li, Building up Graphene-Based Conductive Polymer Composite Thin Films Using Reduced Graphene Oxide Prepared by 𝛾-Ray Irradiation, The Scientific World Journal. (2013) 1-7
Online since: June 2014
Authors: P.J. Ramadhansyah, A.H. Nur Hidayah, Md. Nor Hasanan
Materials
Cement.
The SEM is one of the most versatile techniques for investigating the microstructure of materials.
Pataskar: Use of Porous Concrete as a Green Construction Material for Pavement, International Journal of Earth Sciences and Engineering, Vol. 04, October (2011), Page 764-767
Jiang: Experimental study on Properties of Pervious Concrete Pavement Materials, Cem.
Res. 33, (2003), 381-386 [5] American Society for Testing and Materials: Standard Specification for Portland Cement, ASTM C150.
The SEM is one of the most versatile techniques for investigating the microstructure of materials.
Pataskar: Use of Porous Concrete as a Green Construction Material for Pavement, International Journal of Earth Sciences and Engineering, Vol. 04, October (2011), Page 764-767
Jiang: Experimental study on Properties of Pervious Concrete Pavement Materials, Cem.
Res. 33, (2003), 381-386 [5] American Society for Testing and Materials: Standard Specification for Portland Cement, ASTM C150.
Online since: September 2014
Authors: Jing Hao Ren, Jun Tie Che, Yuan Chao Liu
Introduction
Carbon nanotube was the allotrope of carbon element and one-dimensional carbon material.
Experimental system and materials In general, there are three key components required for nanotube synthesis.
The burner consists of inside and outside two layers of casing (made up of type304 stainless steel material).
The dicyclopentadienyl iron was not suitable for synthesis of carbon nano-materials in the flame method.
Acknowledgments This research was supported by National Natural Science Foundation of China (NO.51106012).
Experimental system and materials In general, there are three key components required for nanotube synthesis.
The burner consists of inside and outside two layers of casing (made up of type304 stainless steel material).
The dicyclopentadienyl iron was not suitable for synthesis of carbon nano-materials in the flame method.
Acknowledgments This research was supported by National Natural Science Foundation of China (NO.51106012).
Online since: November 2014
Authors: Guang Liang Lu, Xue Fei Yao, Jian Huang, Wei Min Li
Followed along with the progress of science and technology, people use visual experimental equipment to test the working process of the extrusion system, the extrusion process have a more intuitive understanding of the phenomena and issues.
Slotted cylinder with mandatory transmission performance, due to the friction between the material can produce a lot of heat.
Melt-segment design starting point is with the feed zone of high transmission capacity to match the material to fully melt, Ultimately, the pressure is low, mixed, high output extrusion material.
Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.
Clem: submitted to Journal of Materials Research (2003) [6] P.G.
Slotted cylinder with mandatory transmission performance, due to the friction between the material can produce a lot of heat.
Melt-segment design starting point is with the feed zone of high transmission capacity to match the material to fully melt, Ultimately, the pressure is low, mixed, high output extrusion material.
Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.
Clem: submitted to Journal of Materials Research (2003) [6] P.G.
Online since: June 2013
Authors: Cong Sheng Chen, Zhong Wei Wu, Ping He, Yu Ping Ma
Product design determines the many key factors of the product energy consumption, such as product structure layout, material properties, processing technology, performance, energy characteristics, and so on.
Energy feature state and energy controlled mode of energy unit depends on inside parts or institution properties and material composition.
Life Cycle Energy Analysis as a Method for Material Selection[J].
Journal of Mechanical Design. 2004, 126(5) :798-804
Study on Energy Design Factor for the stage of product utilization [C]// Applied Mechanics and Materials.2011 International Conference on Recent Trends in Materials and Mechanical Engineering, ICRTMME 2011, January 27-28,2011,Shenzhen, China:1962-1967.
Energy feature state and energy controlled mode of energy unit depends on inside parts or institution properties and material composition.
Life Cycle Energy Analysis as a Method for Material Selection[J].
Journal of Mechanical Design. 2004, 126(5) :798-804
Study on Energy Design Factor for the stage of product utilization [C]// Applied Mechanics and Materials.2011 International Conference on Recent Trends in Materials and Mechanical Engineering, ICRTMME 2011, January 27-28,2011,Shenzhen, China:1962-1967.
Online since: December 2016
Authors: Vladislav Kozák, Ivo Dlouhý, Sergiy Kotrechko, V. Gryshchenko
., 03142, Kyiv, Ukraine
2Institute of Physics of Materials, Academy of Sciences of CR, Zizkova 22, Brno, Czech Republic
1serkotr@gmail.com,1*walduk@bigmir.net, 2kozak@ipm.cz, 2idlouhy@ipm.cz
Keywords: Local approach, fracture, cleavage, threshold stress, Beremin model.
Experimental RPV steel 15H2NMFAA was selected as the material for tests; the chemical composition and mechanical properties of the steel are listed in Table 1 and 2, respectively.
Mechanical properties of RPV steel 15Ch2NMFAA Material Т, [K] Yield strength σY, [MPa] Ultimate strength σult, [MPa] Reduction in area yК, [-] Strain at fracture eF, [-] Strain corresponding to ultimate strength eult, [-] Work hardening exponent , [-] 15Ch2NMFAA 293 610 714 0.75 1.40 0.07 0.065 The tensile tests for the smooth rounded bar specimens were executed over the temperature range from -196°C till room temperature (+20°C) to determine the materials flow properties.
Threshold stress is a material constant, and its value is determined by the distribution of ferrite grain sizes in pure iron or by the distribution of carbide sizes in most structural steels [11,12].
Ruggieri: International Journal of Fracture, 110, 2001, 281-304
Experimental RPV steel 15H2NMFAA was selected as the material for tests; the chemical composition and mechanical properties of the steel are listed in Table 1 and 2, respectively.
Mechanical properties of RPV steel 15Ch2NMFAA Material Т, [K] Yield strength σY, [MPa] Ultimate strength σult, [MPa] Reduction in area yК, [-] Strain at fracture eF, [-] Strain corresponding to ultimate strength eult, [-] Work hardening exponent , [-] 15Ch2NMFAA 293 610 714 0.75 1.40 0.07 0.065 The tensile tests for the smooth rounded bar specimens were executed over the temperature range from -196°C till room temperature (+20°C) to determine the materials flow properties.
Threshold stress is a material constant, and its value is determined by the distribution of ferrite grain sizes in pure iron or by the distribution of carbide sizes in most structural steels [11,12].
Ruggieri: International Journal of Fracture, 110, 2001, 281-304
Online since: December 2016
Authors: Pavel Reiterman, Jaroslava Koťátková
From both materials cement pastes of normal consistency were prepared according to the Czech standard ČSN EN 196 - 3 + A1 [10], see Table 1.
Values of compressive strength showed similar results although in smaller scale – the mutual differences in compressive strength between the two materials were not so significant.
Acknowledgement This research has been supported by the Czech Science Foundation under project No P105/12/G059.
Bezdička, Analysis of Powder Samples Extracted from Concrete Structures of Nuclear Plant, Advanced Materials Research 1054 (2014) 1-5
ACI Materials Journal [H.W.
Values of compressive strength showed similar results although in smaller scale – the mutual differences in compressive strength between the two materials were not so significant.
Acknowledgement This research has been supported by the Czech Science Foundation under project No P105/12/G059.
Bezdička, Analysis of Powder Samples Extracted from Concrete Structures of Nuclear Plant, Advanced Materials Research 1054 (2014) 1-5
ACI Materials Journal [H.W.
Online since: June 2005
Authors: Yo Seung Song, Deuk Yong Lee, Shin Nam Hong, Bae Yeon Kim, Se Jong Lee
Citation &
Copyright (to be inserted by the publisher )
Effect of PVP addition on microstructure of SrZrO3 thin films on Bi(2223)
tapes
Yo-Seung Song
1,a, Deuk Yong Lee
2, Se-Jong Lee
3 , Bae-Yeon Kim
4
and Shin Nam Hong
5
1
Department of Materials Engineering, Hankuk Aviation University, Koyang 412-791, Korea
2
Department of Materials Engineering, Daelim College of Technology, Anyang 431-715, Korea
3
Department of Materials Engineering, Kyungsung University, Busan 608-736, Korea
4
Department of Materials Science and Engineering, University of Incheon, Incheon 402-749, Korea
5
School of ETC Engneering, Hankuk Aviation University, Koyang 412-791, Korea
a
yssong@mail.hau.ac.kr
Keywords: SrZrO3, Sol-gel method, PVP, Microcacking
Abstract.
The use of Ag sheath material enhances the considerable coupling currents flowing in the sheath under ac magnetic fields.
Journal Title and Volume Number (to be inserted by the publisher) 3 (a) (b) (c) Fig. 1.
The use of Ag sheath material enhances the considerable coupling currents flowing in the sheath under ac magnetic fields.
Journal Title and Volume Number (to be inserted by the publisher) 3 (a) (b) (c) Fig. 1.
Online since: September 2013
Authors: Chuan Hui Huang, Chun Hong Zhang, Ning Zhang, Na Shi
Experimental Materials and Methods
Experimental Materials.
The piston rod material was 16Mn high strength low alloy structural steel in this experiment.
Acknowledgements Supported by Xuzhou Key Laboratory of Materials forming technique for Engineering Machinery.
The Open Corrosion Journal, 2010, 3, 38-44
Apply Surface Science, 2000, 158(3): 335-339
The piston rod material was 16Mn high strength low alloy structural steel in this experiment.
Acknowledgements Supported by Xuzhou Key Laboratory of Materials forming technique for Engineering Machinery.
The Open Corrosion Journal, 2010, 3, 38-44
Apply Surface Science, 2000, 158(3): 335-339
Online since: May 2014
Authors: Yan Cui, Sheng Fu Sun, Wei Jie Dong
Furthermore, the use of an initial energy injection mechanism based on a nonlinear approach can artificially enhance the conversion abilities of piezoelectric materials.
One of the mechanisms for converting mechanical vibration to electrical energy is the use of piezoelectric materials.
According to [9], the presence of biasing stress field makes a material apparently behave like a different material, and renders nonlinear piezoelectricity.
Danak, Modeling, optimization, and design of efficient initially curved piezoceramic unimorphs for Energy Harvesting Applications, Journal of Intelligent Material Systems and Structures. 16(2005) 877–888
Yang, An introduction to the theory of piezoelectricity, Springer Science and Business Media, Boston, 2005
One of the mechanisms for converting mechanical vibration to electrical energy is the use of piezoelectric materials.
According to [9], the presence of biasing stress field makes a material apparently behave like a different material, and renders nonlinear piezoelectricity.
Danak, Modeling, optimization, and design of efficient initially curved piezoceramic unimorphs for Energy Harvesting Applications, Journal of Intelligent Material Systems and Structures. 16(2005) 877–888
Yang, An introduction to the theory of piezoelectricity, Springer Science and Business Media, Boston, 2005