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Online since: December 2011
Authors: Si Yi Tang, Hong Yang Jing, Lian Yong Xu, Yong Dian Han, Guo Quan Lu
Effect of Ni-coated carbon nanotubes on the corrosion behavior of Sn-Ag-Cu solders
Siyi Tang1, a, Hongyang Jing1,b, , Lianyong Xu1,c, Yongdian Han1,d
and Guoquan Lu1,2,e
1 School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
2 Virginia Polytech Inst & State Univ, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA
atangsy86@126.com, bjhong@tju.edu.cn, cxulianyong@tju.edu.cn, dhanyongdian@tju.edu.cn, egqlu@vt.edu
Keywords: SAC solder; SAC-Ni-CNTs; current density; corrosion resistance
Abstract.
Experimental In this study, 95.8Sn-3.5Ag-0.7Cu (SAC) solder with diameter range 5 -15 µm was used as the matrix material and Ni coated carbon nanotubes (Ni-CNT) with outer diameter: 10 - 20 nm and length 30 µm was put into the matrix.
For SAC material, the material was fabricated as stated above (starting with the compaction step), omitting the blending process.
Gupta, Journal of Physics D-Applied Physics, Vol. 41 (2008) 095403
Experimental In this study, 95.8Sn-3.5Ag-0.7Cu (SAC) solder with diameter range 5 -15 µm was used as the matrix material and Ni coated carbon nanotubes (Ni-CNT) with outer diameter: 10 - 20 nm and length 30 µm was put into the matrix.
For SAC material, the material was fabricated as stated above (starting with the compaction step), omitting the blending process.
Gupta, Journal of Physics D-Applied Physics, Vol. 41 (2008) 095403
Online since: May 2003
Authors: Mei Wei, Tadashi Kokubo
Journal Citation (to be inserted by the publisher )
Copyright by Trans Tech Publications
Bonelike Apatite Formation on Calcium-Containing Silica and Titania Gels in
Simulated Body Fluid
M.
Kokubo, 2 1 Department of Metallurgy and Materials Engineering, University of Connecticut, 97 North Eagleville Road, Unit 3136, Storrs, CT, 06269, USA, m.wei@ims.uconn.edu 2 Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan kokubo@sung7.kuic.kyoto-u.ac.jp Keywords: Apatite, calcium-containing silica gel, calcium-containing titania gel, and simulated body fluid (SBF) Abstract.
Materials and Methods Calcium-containing silica and titania gels were made by incorporation of 10, 20, 30, and 40 mol% of calcium ions into pure silica and titania gels, respectively. 50% calcium-containing silica gel was also prepared.
Acknowledgments The authors thank the support of the Grant-in-Aid for Young Scientists from Ministry of Education, Science, Sports and Culture, Japan.
Kokubo, 2 1 Department of Metallurgy and Materials Engineering, University of Connecticut, 97 North Eagleville Road, Unit 3136, Storrs, CT, 06269, USA, m.wei@ims.uconn.edu 2 Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan kokubo@sung7.kuic.kyoto-u.ac.jp Keywords: Apatite, calcium-containing silica gel, calcium-containing titania gel, and simulated body fluid (SBF) Abstract.
Materials and Methods Calcium-containing silica and titania gels were made by incorporation of 10, 20, 30, and 40 mol% of calcium ions into pure silica and titania gels, respectively. 50% calcium-containing silica gel was also prepared.
Acknowledgments The authors thank the support of the Grant-in-Aid for Young Scientists from Ministry of Education, Science, Sports and Culture, Japan.
Online since: October 2010
Authors: Dian Wu Zhang, Yu Xing Wang, Yan Qin Tang, Wen Zeng
Materials and Methods
The ants in the experiment were common ants which lived in soil in Guangdong.
They were the main elements and life materials for organisms.
Some studies believed that the outermost layer of body surface for soil animal was a kind of material which was similar to the resin or waxy paint, and had good property of hydrophobic [7].
Acknowledgement Subject was supported by National Fund of Natural Science of China (no. 50778075) and Fund for the Doctoral Program of Higher Education of China (no. 20070564012).
Li, in: Journal of Agricultural Mechanization Research, Vol. 6 (2004), pp. 119-121
They were the main elements and life materials for organisms.
Some studies believed that the outermost layer of body surface for soil animal was a kind of material which was similar to the resin or waxy paint, and had good property of hydrophobic [7].
Acknowledgement Subject was supported by National Fund of Natural Science of China (no. 50778075) and Fund for the Doctoral Program of Higher Education of China (no. 20070564012).
Li, in: Journal of Agricultural Mechanization Research, Vol. 6 (2004), pp. 119-121
Online since: September 2011
Authors: Lu Xin Zhai, Cun Dong Xu, Yan Wang, Hui Min Hou, Zhong Liang Ma
In this way the relationship of diffusion coefficient with time and temperature is:
(5)
where:is constant which depend on material properties, is activation energy, in the process of diffusion, which relate to water-cement ratio.
The combining capacity of chloride ions can be described by Langmuir's Isothermal equation: (6) where:is density of combined chloride ions,is density of free chloride ions,,is constant which relate to concrete cement material.
Conclusions Test analysis shows that in the returns water of high-lift irrigated area, the content of chlorine ions exceed standard seriously and it secondary react with meta-stable materials causing volume expansion, which is one of the main reasons that cause the damage of concrete building.
Acknowledgements This work was financially supported by the Natural Science Foundation (41061046).
Journal of Southeast University,2002,32(4):638-642
The combining capacity of chloride ions can be described by Langmuir's Isothermal equation: (6) where:is density of combined chloride ions,is density of free chloride ions,,is constant which relate to concrete cement material.
Conclusions Test analysis shows that in the returns water of high-lift irrigated area, the content of chlorine ions exceed standard seriously and it secondary react with meta-stable materials causing volume expansion, which is one of the main reasons that cause the damage of concrete building.
Acknowledgements This work was financially supported by the Natural Science Foundation (41061046).
Journal of Southeast University,2002,32(4):638-642
Online since: August 2015
Authors: Masruroh Masruroh, Sri Widyarti, Fadli Robiandi, D.J. Djoko H. Santjojo
Introduction
Development of functional materials for sensor applications, especially biomedical sensors is one of the keys to success in the implementation of rapid diagnostic system for the improvement of health services in Indonesia.
Polystyrene is a polymer material capable of adsorbing proteins, but the adsorption is physical without chemical bonding between the polystyrene surface and proteins [2].
Material that has great potential to meet these criteria is zinc phthalocyanine (ZnPc).
Improvement of Biomolecule Immobilization on Polystyrene Surface by Increasing Surface Roughness, Journal of Biosensors & Bioelectronics 3 (2012) 119
Clusters on soft matters surfaces, Surface Science Reports 61 (2006) 383-428.
Polystyrene is a polymer material capable of adsorbing proteins, but the adsorption is physical without chemical bonding between the polystyrene surface and proteins [2].
Material that has great potential to meet these criteria is zinc phthalocyanine (ZnPc).
Improvement of Biomolecule Immobilization on Polystyrene Surface by Increasing Surface Roughness, Journal of Biosensors & Bioelectronics 3 (2012) 119
Clusters on soft matters surfaces, Surface Science Reports 61 (2006) 383-428.
Online since: October 2014
Authors: Zhen Long Wang, Yu Kui Wang, Bo Zhu, Xiang Chen
An Investigation on Wire Wear in WEDM.Journal of Materials Processing Technology.2003,8(9):273-278
].
In the rough machining, raw material is machined to specified size to reserve ablation layer thickness of 5µm, the width(W1) is 40µm and the depth(D1) is 50µm, the tool path is shown in Fig. 3 a).
a) Rough machining b) Finish machining Fig. 3 Tool path Experiment of ultrafine WEDM The rough machining procedure is to remove material efficiently.
The material removing rate is 1.322×10-5mm3/min.
Acknowledgements This research work is funded by Natural Science Foundation in China (No.51105111), National Key Basic Research Program in China (No.2012CB934102), the Special Fund for Technological Innovation of Harbin (No.2012RFXXG038) and the Research Fund of Key Laboratory of Digital electrochemical machining in Jiangsu Province (No.
In the rough machining, raw material is machined to specified size to reserve ablation layer thickness of 5µm, the width(W1) is 40µm and the depth(D1) is 50µm, the tool path is shown in Fig. 3 a).
a) Rough machining b) Finish machining Fig. 3 Tool path Experiment of ultrafine WEDM The rough machining procedure is to remove material efficiently.
The material removing rate is 1.322×10-5mm3/min.
Acknowledgements This research work is funded by Natural Science Foundation in China (No.51105111), National Key Basic Research Program in China (No.2012CB934102), the Special Fund for Technological Innovation of Harbin (No.2012RFXXG038) and the Research Fund of Key Laboratory of Digital electrochemical machining in Jiangsu Province (No.
Online since: September 2013
Authors: Jian Wei Tao, Yu Xiu Yan, Xin Li, Zi Min Jin
Study on The Knitting Process and Temperature Adjusting Performance of Outlast Fiber in Special Parts of Seamless Coat
Zimin Jin1,2,a, Xin Li2,b, Jianwei Tao3,c and Yuxiu Yan1,d
1Zhejiang Provincial Research Center of Clothing Engineering Technology(Zhejiang Sci-Tech University), Hangzhou, Zhejiang, 310018, China
2Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, 310018, China
3Zhejiang Bangjie Digital Knitting Co., Ltd., Yiwu, Zhejiang, 322000, China
ajinzimin82@163.com, bfslx1054331851@126.com, cbangjie@vip.sina.com, dyanyuxiu777@163.com
Keywords: Sweating fabric manikin, Outlast fiber, Seamless temperature-regulating knitted fabric
Abstract.
Introduction Thermal manikin is a testing system which is used to measure apparel modeling and functionality and comfortableness of clothing material [1].
Therefore using different materials and structures in different parts of the seamless knitted garments could improve its comprehensive properties.
Acknowledgements This work was financially supported by Zhejiang Provincial Research Center of Clothing Engineering Technology Foundation (2012005) and the Program for Zhejiang Leading Team of Science and Technology innovation (2011R50004).
Journal of Astronautics, 1985,10(4):72-79, in Chinese.
Introduction Thermal manikin is a testing system which is used to measure apparel modeling and functionality and comfortableness of clothing material [1].
Therefore using different materials and structures in different parts of the seamless knitted garments could improve its comprehensive properties.
Acknowledgements This work was financially supported by Zhejiang Provincial Research Center of Clothing Engineering Technology Foundation (2012005) and the Program for Zhejiang Leading Team of Science and Technology innovation (2011R50004).
Journal of Astronautics, 1985,10(4):72-79, in Chinese.
Online since: December 2012
Authors: Xin He Wang, Xiao Zeng Wang, Yi Hua Dou, Jing Wen Yang
Best developed the horizontal and full size casing wear tester which adopted full casing and drill pipe materials, simulated casing wear in practical drilling progress[7].
Experiment equipment and materials of TP140 casing wear MRH-1A block-on-ring type drillpipe casing friction and wear tester is developed in order to accomplish the experiment of casing.
The samples which come from the commonly oilfield casing and drill pipe material is processed.
L., Sun, L.Z., Lian, J.H: Petroleum Science Vol.2010 (4) (2010), p.494 [4] Hall, R.
Fontenot: submitted to Journal of Petroleum Technology(1975) , p.1 [11] Huiyuan Yu: Oil Field Equiment Vol.35(4)(2006), p.4(In Chinese) [12] Lei Yu: Lubrication Engineering Vol.32(5)(2004), p.87(In Chinese) [13] Yong Han: Steel Pipe Vol.39(7)(2010), p.1(In Chinese)
Experiment equipment and materials of TP140 casing wear MRH-1A block-on-ring type drillpipe casing friction and wear tester is developed in order to accomplish the experiment of casing.
The samples which come from the commonly oilfield casing and drill pipe material is processed.
L., Sun, L.Z., Lian, J.H: Petroleum Science Vol.2010 (4) (2010), p.494 [4] Hall, R.
Fontenot: submitted to Journal of Petroleum Technology(1975) , p.1 [11] Huiyuan Yu: Oil Field Equiment Vol.35(4)(2006), p.4(In Chinese) [12] Lei Yu: Lubrication Engineering Vol.32(5)(2004), p.87(In Chinese) [13] Yong Han: Steel Pipe Vol.39(7)(2010), p.1(In Chinese)
Online since: August 2013
Authors: Ai Min Deng, Kun Peng Su, De Yu Liu
Since advances in computer technology and CCD cameras have been the enabling technologies for this method, it is widely used in many areas of science and engineering.
It ranges from 0 for the virgin material to 1 for a state of complete loss of integrity.
Conclusion The following conclusions can be drawn based on the results presented in this paper: ● The Vic-2D system is able to provide logical and useful displacement and strain maps to show the constitutive behavior of the materials during the deformation process
References [1] American Concrete Institute (1989), ‘Fracture Mechanics of Concrete: Concepts, Models and Determination of Material Properties.’ reported by ACI Committee 446 (chaired by ZP.
World Journal of Mechanics, No. 1, 155-157 (2011)
It ranges from 0 for the virgin material to 1 for a state of complete loss of integrity.
Conclusion The following conclusions can be drawn based on the results presented in this paper: ● The Vic-2D system is able to provide logical and useful displacement and strain maps to show the constitutive behavior of the materials during the deformation process
References [1] American Concrete Institute (1989), ‘Fracture Mechanics of Concrete: Concepts, Models and Determination of Material Properties.’ reported by ACI Committee 446 (chaired by ZP.
World Journal of Mechanics, No. 1, 155-157 (2011)
Online since: January 2013
Authors: Li Cui, Sheng Deng, Li Min Ma
Biological catalysis method to prepare L-tert-leucine, need inorganic ammonium as auxiliary raw material [5], the reaction of inorganic ammonium and derivatization reagent forms fluorescent derivatives [4], retention time of it and L-tert-leucine derivatives are nearly the same, which affect the detection of L-tert-leucine seriously, so it is not suitable for the L-ter-leucine to determine by derivative method in the enzyme catalytic reaction system.
Experimental Materials and methods Materials Methanol:chromatography; L-tert-leucine standard: obtained from YiXin biotechnology Inc.
Amino acid analysis by high performance liquid chromatography [J] Journal of ZhongKai Agrotechical college,1994,7 (7):76-81
Determination Methods of Amino Acids Analysis [J] Leather science and engineering,2004,14(3): 39-42
Experimental Materials and methods Materials Methanol:chromatography; L-tert-leucine standard: obtained from YiXin biotechnology Inc.
Amino acid analysis by high performance liquid chromatography [J] Journal of ZhongKai Agrotechical college,1994,7 (7):76-81
Determination Methods of Amino Acids Analysis [J] Leather science and engineering,2004,14(3): 39-42