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Online since: December 2011
Authors: Cheng Qiang An, Hai Yun Yu, Jie Sun, Lei Wang, C.S. LIU
UV Ageing Test and EIS Study of Fluorocarbon Resin Coatings on Galvanized Sheet
Lei Wang1,2,a, Chengqiang An1,b, Jie Sun1,c , Haiyun Yu2,d and Changsheng Liu2,e
1Shenyang Ligong University School of Environmental and Chemical Engineering, Shenyang 110159, China.
2Key Laboratory for Anisotropy & Texture of Materials, Ministry of Education, Northeastern University ,Shenyang 110004, China
amailwl@163.com, bacq306@163.com, cjiersun2000@yahoo.com.cn, dyuhy2010@yahoo.cn, ecsliu@mail.neu.edu.cn
Keywords: Fluorocarbon resin coatings; galvanized sheet; EIS;UV ageing
Abstract.
Introduction Organic polymer materials are widely used in corrosion protection coatings, ornament and surface functionalization.
Yan: Journal of Chinese Society for Corrosion and Protection Vol. 26 (2006), p. 89 [2] J.M.
Li: Corrosion Science Vol. 50 (2008), p. 3322 [7] C.N.
Zhang: An Introduction To Electrochemical Impedance Spectroscopy, Science Press, Beijing(2002).
Introduction Organic polymer materials are widely used in corrosion protection coatings, ornament and surface functionalization.
Yan: Journal of Chinese Society for Corrosion and Protection Vol. 26 (2006), p. 89 [2] J.M.
Li: Corrosion Science Vol. 50 (2008), p. 3322 [7] C.N.
Zhang: An Introduction To Electrochemical Impedance Spectroscopy, Science Press, Beijing(2002).
Online since: November 2012
Authors: Yan Hua Xue, Zhi Guang Wang, Xin Jiang, Bin Shao
The figure 4 indicates the structure parameters (material properties: Poisson ratio of 0.29, mass density of 7.82E-6(Kg/mm3), modulus of elasticity of 2.068E+8(mN/mm2)).
Fig.4 The geometry and material parameters of a stiffened plate steel structure Fig.5 The effect of eccentricity of beam element on modal frequency The figure 5 shows us the effect of eccentricity of beam element on modal frequency (based on the result of regular hexahedron element).
Applied Mechanics and Materials, Vol.66-68(2011), p 2192-2197
Journal of Zhejiang Ocean University (nature science), vol. 26(2007), p. 51-55.I
Mechanical Science and Technology, vol. 18(1999), p. 210-212.
Fig.4 The geometry and material parameters of a stiffened plate steel structure Fig.5 The effect of eccentricity of beam element on modal frequency The figure 5 shows us the effect of eccentricity of beam element on modal frequency (based on the result of regular hexahedron element).
Applied Mechanics and Materials, Vol.66-68(2011), p 2192-2197
Journal of Zhejiang Ocean University (nature science), vol. 26(2007), p. 51-55.I
Mechanical Science and Technology, vol. 18(1999), p. 210-212.
Online since: March 2010
Authors: Yong Ping Hao, Shuang Jie Liu
Design and Analysis of MEMS-based Actuator
Shuangjie Liu1,2,a
, Yongping Hao3,b
1
College of Mechanical and Electric Engineering, Changchun University of Science and
Technology, Changchun 130022, China
2
School of Equipment Engineering, Shenyang Ligong University, Shenyang 110159, China
3
R & D Center of CAD/CAM Technology, Shenyang Ligong University, Shenyang 110159, China
a
shuangjieliu@126.com,
b
yphsit@126.com
Keywords: MEMS; actuator; kinematic; dynamics; ADAMS; LIGA
Abstract.
The MEMS-based actuator can be used in a wide range of applications, and they are different from each other in shapes, materials, structures, functions and so on.
Hoang et al, in:Development of Inexpensive, Ultra-miniature Mems-based Safety and Arming (S&A) Device for Small-caliber Munition Fuzes, 23rd Army Science Conference (2002)
Khodadadi: Journal of Micro- electromechanical Systems.
Khodadadi: Sensors and materials Vol.19(2007)
The MEMS-based actuator can be used in a wide range of applications, and they are different from each other in shapes, materials, structures, functions and so on.
Hoang et al, in:Development of Inexpensive, Ultra-miniature Mems-based Safety and Arming (S&A) Device for Small-caliber Munition Fuzes, 23rd Army Science Conference (2002)
Khodadadi: Journal of Micro- electromechanical Systems.
Khodadadi: Sensors and materials Vol.19(2007)
Online since: April 2015
Authors: Wei Ping Fang, Yao Yong Yi, Zhen Hua Deng, Feng Mei Liu, Zheng Lin Liu
A typical characteristic peak of amorphous material was observed in the XRD pattern.
Obviously, a diffuse diffraction peak at 2θ = 42.7° can be observed in the curve a, which is a typical characteristic peak of amorphous material.
Acknowledgments The authors greatly appreciate the financial support from Guangdong Province Key Laboratory Project (2012A061400011) and the Science and Technology Project in Guangzhou the International Cooperation in Science and Technology Special Program (2012J5100046).
References [1] S.Kang, H.J.Kim, Design of high-temperature brazing alloys for ceramic-metal joints, Welding Journal. 75(1995) 289-295
Jiang, J.S.Zou, Joint strength of Si3N4 brazed with Ti-Zr-Ni-Cu amorphous brazing alloy, The Chinese Journal of Nonferrous Metals. 16 (2006) 1955-1959
Obviously, a diffuse diffraction peak at 2θ = 42.7° can be observed in the curve a, which is a typical characteristic peak of amorphous material.
Acknowledgments The authors greatly appreciate the financial support from Guangdong Province Key Laboratory Project (2012A061400011) and the Science and Technology Project in Guangzhou the International Cooperation in Science and Technology Special Program (2012J5100046).
References [1] S.Kang, H.J.Kim, Design of high-temperature brazing alloys for ceramic-metal joints, Welding Journal. 75(1995) 289-295
Jiang, J.S.Zou, Joint strength of Si3N4 brazed with Ti-Zr-Ni-Cu amorphous brazing alloy, The Chinese Journal of Nonferrous Metals. 16 (2006) 1955-1959
Online since: October 2003
Authors: Vladislav Kozák, Libor Vlček
Constraint phenomena on the pre-cracked specimens and Weibull
stress model for cleavage fracture
Vladislav Kozák and Libor Vl�ek
Institute of Physics of Materials, Czech Academy of Sciences, Brno, Zizkova 22, 616 62 Brno,
Czech Republic, kozak@ipm.cz
Keywords: Fracture toughness, constraint, local approach, Weibull stress model.
Introduction The base material characteristic used in an engineering praxis is the fracture toughness which describes the material power of the absorbed energy before failure.
The parameters σu and m of are material parameters, i.e. independent of the stress state of materials, but may depend on the temperature.
Journal of Pressure Vessels and Piping, Vol. 45, Issue 2, 1991, pp 207-221
[8] Vl�ek, L., Chlup, Z., Kozák, V.: Problems in Q-parameter Calculations, Nato Science Series II: Mathemathics, Physics and Chemistry, Vol. 78, edited by I.
Introduction The base material characteristic used in an engineering praxis is the fracture toughness which describes the material power of the absorbed energy before failure.
The parameters σu and m of are material parameters, i.e. independent of the stress state of materials, but may depend on the temperature.
Journal of Pressure Vessels and Piping, Vol. 45, Issue 2, 1991, pp 207-221
[8] Vl�ek, L., Chlup, Z., Kozák, V.: Problems in Q-parameter Calculations, Nato Science Series II: Mathemathics, Physics and Chemistry, Vol. 78, edited by I.
Online since: August 2015
Authors: Russameeruk Noonuruk, Wicharn Techitdheera, Wisanu Pecharapa, Jiruntanin Kanoksinwuttipong
Sol–gel method requied some expensive raw materials [11] while hydrothermal process was kept controlling under in subcritical water as solvent [12].
Roger, Electrical and optical characteristics of indium tin oxide thin films deposited by cathodic sputtering for top emitting organic electroluminescent devices, Materials Science and Engineering C 21, 2002, pp 265-271
Vickraman, Microstructural, electrical and optical properties of indium tin oxide (ITO) nanoparticles synthesized by co-precipitation method, Materials Research Bulletin 47, 2012, pp 1051-1056
Hoang, Controlling the morphology of indium tin oxide using PEG-assisted hydrothermal synthesis, Materials Letters117, 2014, pp 108-111
Wang, Preparation of indium-tin oxide (ITO) aciculae by a novel concentration-precipitation and post-calcination method, Materials Letters 58, 2004, pp 294-298
Roger, Electrical and optical characteristics of indium tin oxide thin films deposited by cathodic sputtering for top emitting organic electroluminescent devices, Materials Science and Engineering C 21, 2002, pp 265-271
Vickraman, Microstructural, electrical and optical properties of indium tin oxide (ITO) nanoparticles synthesized by co-precipitation method, Materials Research Bulletin 47, 2012, pp 1051-1056
Hoang, Controlling the morphology of indium tin oxide using PEG-assisted hydrothermal synthesis, Materials Letters117, 2014, pp 108-111
Wang, Preparation of indium-tin oxide (ITO) aciculae by a novel concentration-precipitation and post-calcination method, Materials Letters 58, 2004, pp 294-298
Online since: February 2016
Authors: Margarita A. Khimich, Ivan A. Shulepov, Zhanna G. Kovalevskaya, Andrey V. Belyakov
Materials and methods
Ti-40 mas % Nb alloy ingots were used as the study material.
Pan, Composition/Phase structure and properties of titanium-niobium alloys, Materials Transactions. 44, 11 (2003) 2384-2390
Parilov, Investigation of the Influence of Ti-Nb Alloy Composition on the Structure of the Ingots Produced by Arc Melting, Advanced Materials Research. 1085 (2015) 307–311
Shulepov, Evaluation of Physical and Mechanical Properties of Structural Components of Ti-Nb Alloy, Advanced Materials Research. 1040 (2014) 39–42
[7] Xu Y.F., Yi D.Q., Liu H.Q. et al, Effects of cold deformation on microstructure, texture evolution and mechanical properties of Ti-Nb-Ta-Zr-Fe alloy for biomedical applications, Journal of Materials Science and Engineering.
Pan, Composition/Phase structure and properties of titanium-niobium alloys, Materials Transactions. 44, 11 (2003) 2384-2390
Parilov, Investigation of the Influence of Ti-Nb Alloy Composition on the Structure of the Ingots Produced by Arc Melting, Advanced Materials Research. 1085 (2015) 307–311
Shulepov, Evaluation of Physical and Mechanical Properties of Structural Components of Ti-Nb Alloy, Advanced Materials Research. 1040 (2014) 39–42
[7] Xu Y.F., Yi D.Q., Liu H.Q. et al, Effects of cold deformation on microstructure, texture evolution and mechanical properties of Ti-Nb-Ta-Zr-Fe alloy for biomedical applications, Journal of Materials Science and Engineering.
Online since: May 2012
Authors: Qiao Yun Deng, Dong Liang Lin, Yu Mei Wang, Da Gang Li, Yue Hu
These advantages make cellulose fiber a good choice as reinforcing element for composite materials where glass fiber or synthetic fiber is routinely used.
The aim of this work is to prepare thermoplastic PVA composites, using mechanochemically activated cellulose fibers as reinforcement to create biodegradable high performance composite materials.
Experimental Raw Materials.
The superior reinforcing function of nano cellulose fibers derived from plants will expand the application of PVA-based materials as traditional petrochemical plastic.
Journal of Applied 2007; pp.105-117
The aim of this work is to prepare thermoplastic PVA composites, using mechanochemically activated cellulose fibers as reinforcement to create biodegradable high performance composite materials.
Experimental Raw Materials.
The superior reinforcing function of nano cellulose fibers derived from plants will expand the application of PVA-based materials as traditional petrochemical plastic.
Journal of Applied 2007; pp.105-117
Online since: September 2011
Authors: Zhi Lun Gao, Guo Feng Wang, Long Chen, Ming Qiu
Experiments
Materials.
The materials investigated here are three types of PTFE self-lubricating spherical plain bearing carried out at room temperature.
The overview of test bearing materials see table 1.
Table1 The material properties of different spherical plain bearings Numbering Material of inner ring Material of outer ring Material of bearing liner I GCr15 GCr15 Nomex/PTFE fiber II GCr15 GCr15 Kevlar/PTFE fiber III GCr15 GCr15 glass/PTFE fiber Test apparatus.
Li: Journal of Functional Materials Vol.35(2004),p. 2221-2223.
The materials investigated here are three types of PTFE self-lubricating spherical plain bearing carried out at room temperature.
The overview of test bearing materials see table 1.
Table1 The material properties of different spherical plain bearings Numbering Material of inner ring Material of outer ring Material of bearing liner I GCr15 GCr15 Nomex/PTFE fiber II GCr15 GCr15 Kevlar/PTFE fiber III GCr15 GCr15 glass/PTFE fiber Test apparatus.
Li: Journal of Functional Materials Vol.35(2004),p. 2221-2223.
Online since: September 2013
Authors: Jeng Jong Lin
It has been a big challenge for scientist to predict the mechanical properties of woven fabrics because of textile materials [1] are non-homogenous, discontinuous, anisotropic and deformable.
Once the relationship between textile materials (e.g., yarns) and the textile products (e.g., fabrics) can be determined, product design for textile industry can be proceeded in a more effective and efficient way.
Furthermore, the textile materials genome initiative can start to be implemented after the applicability of geometrical modeling is approved in this study.
Acknowledgement The author thanks the National Science Council for the financial aid to this study.
A hybrid system based on neural network and immune co-evolutionary algorithm for garment pattern design optimization, Journal of Computers, 4 (11) (2009) p. 1151-1158
Once the relationship between textile materials (e.g., yarns) and the textile products (e.g., fabrics) can be determined, product design for textile industry can be proceeded in a more effective and efficient way.
Furthermore, the textile materials genome initiative can start to be implemented after the applicability of geometrical modeling is approved in this study.
Acknowledgement The author thanks the National Science Council for the financial aid to this study.
A hybrid system based on neural network and immune co-evolutionary algorithm for garment pattern design optimization, Journal of Computers, 4 (11) (2009) p. 1151-1158