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Online since: October 2011
Authors: Si Chen, Xu Wang, Yan Qin Shi, Guo Dong Tang
Because of the less stable α-Cl group existing in PVC structure, the neat PVC materials have poor weather resisting property.
Thus the PMMA / ASA alloy used for the surface of PVC materials will be given a wide range of application. 2.
Materials.
PMMA(MG-888) was manufactured by Shanghai Jing Qi polymer materials Co., Ltd.
Journal of Polymer Science Part B-Polymer Physics Vol. 10(2005), p. 1244 [8] Edwards S, Provatas M; Ginic-Markovic M.
Online since: May 2007
Authors: Recep Calin, Ramazan Citak
Introduction Composite materials have been developed in the last century and have been used in an increasing ratio.
One group of these composite materials is metal matrix composites (MMCs).
Wettabilty depends on inherent properties of pure material and material contents.
A., et al., Materials Letters, 57, p 4332 (2003) [6] Elwahed, M., Asar, M., J. of Mat.
K., et al., Journal of Materials Science, 26, 447 (1991) [12] Rodrigez-Reyes, M., et al., Materials Letters 57, p 2081 (2003) [13] Jin, I.
Online since: September 2013
Authors: Kazuhisa Sato, Toyohiko J. Konno, Tomoaki Yamada, Takanori Kiguchi, Yoshihiro Misaka, T. Nishimatsu, N. Usami
Konno2,g 1 Department of Materials Science, Tohoku University, Sendai, Miyagi 980-8579, Japan 2 Institute for Materials Research, Tohoku University, Sendai, Miyagi 980-8577, Japan 3 Department of Materials, Physics and Energy Engineering, Nagoya University, Nagoya, Aichi 464-8603, Japan 4 PRESTO, Japan Science and Technology Agency, 5 Sanban-cho, Chiyoda-ku, Tokyo 102-0075, Japan ayoshihiro-misaka@imr.tohoku.ac.jp, btkiguchi@imr.tohoku.ac.jp, cksato@imr.tohoku.ac.jp, dt-nissie@imr.tohoku.ac.jp, et-yamada@nucl.nagoya-u.ac.jp, fusa@imr.tohoku.ac.jp, gtjkonno@imr.tohoku.ac.jp Keywords: Pb(Mg1/3Nb2/3)O3, Relaxor, Thin film, Epitaxial growth, MOD, TEM Abstract.
It is known that, in the typical ferroelectric material Pb(Zr,Ti)O3 (PZT), the PbO vapor pressure of the free PbO is approximately 100 times higher than that of the perovskite phase PZT itself4).
This fact would be valid for Pb-based perovskite-type ferroelectric materials.
Shun Ito, the Analytical Research Core for Advanced Materials, Tohoku University, for providing many supports for TEM observations.
Journal of Solid State Chemistry 92 (1991), P. 350 - 361 [3] N.
Online since: December 2010
Authors: Zhi Yong Liu, Guo Wen Sun, Yun Sheng Zhang
The Quantitative Calculation the Volume Fraction of Cement Pastes Zhiyong Liu 1,2,a, Yunsheng Zhang 1,2,b and Guowen Sun 1,2,c 1Jiangsu Key laboratory for Construction Materials, Southeast University, Nanjing, 211189, China 2College of Materials Science and Engineering, Southeast University, Nanjing, 211189, China aliuzhiyong0728@163.com, bzhangys279@163.com, csunguowen_2003@163.com Keywords: Cement Paste; Microstructure; Calcium Silicate Hydrate (C-S-H) Abstract.
Introduction The most widely used material of construction in the world is cement-based material, commonly made by mixing portland cement with sand, crushed rock, and water.
Properties of engineering materials are governed by their microstrcture.
In order to describe the chemical, physical and mechanical properties and characters of cement-based materials, it is necessary to establish a method to quantitatively estimate the volume of each of solid phases and capillary porosity in cement pastes.
L.: Brownyard: Studies of the physical properties of hardened cement paste, ACI Journal Proceedings Vol. 43(9) (1992), p. 845-880
Online since: January 2012
Authors: Wen Zhao, Hai Xia Sun, Qi Zhou, Zhao Zhang
The soil and structural material parameter are shown in Table 2.
In the first instance, remove the soil elements in the rear of shield, and install concrete materials to replace the lining.
Install shield materials to replace the element materials where EPB shield machine are, until the excavation position has been fixed in advance
The EPB shield machine press onward one ring at a time and the element materials should make corresponding adjustment.
China Railway Science, Vol31(2010) ,P.53, In Chinese [4] Pan Zeng: Finite Element Analysis and application.
Online since: July 2014
Authors: Ge Yan Fu, Chuan Xiang Gu, Shi Hong Shi
Due to the limitation of the surrounding matrix materials, the metal material in the molten pool will suffer from the constraint stress.
Acknowledgement This study is supported by National Natural Science Fund of China (11172191) , Jiangsu Province Joint innovation fund of industry-university-research cooperation(BY2012109) and Colleges Natural Science Fund of Jiangsu Province (12KJB460008).
Laser Journal. 2010; 31(5)
The Influence of Ring Inside-Laser Coaxial Powder Feeding Process Parameter on Forming.Advanced Materials Research,2012:120-124
Advanced Materials Research,2012:441-445.
Online since: March 2010
Authors: Bai Cheng Liu, Qing Yan Xu, Dong Pan
The superalloy of the casting used in the experiment was a commercial Ni-based superalloy, seen in Table I for the material properties.
Gandin, et al.: Materials Science and Engineering Vol.
Beckermann, et al.: Metallurgical and Materials Transactions A Vol. 28 (1997), p. 1517
Stefanescu: Metallurgical and Materials Transactions A Vol. 24(1993), p. 2
Liu, et al.: Journal of Materials Science and Technology Vo.23 (2007), p. 47
Online since: May 2014
Authors: Hong Zhi Wang
Basic conceptsof biofuels Biofuels include all agricultural and forestry products or their by-products, industrial waste, garbage and other biological organisms and theirmetabolicwasteas raw materials for fuel.
Two mainbiofuel production Bioethanol.Bioethanol is made of biological materials with rich starch,sugar through the process of fermentation and distillation.
The main raw material for biodiesel productionare rapeseed, soybean, palm and sunflower and other oil crops in Europe.Other materials such as waste cooking oil, animal fats alsohavebegun to be used.Biodiesel extractedfrom theseedsof atrophy has already been used on Air New ZealandandContinental Airlines aircraft.
Since the Etuis not a major crop-producing country, production of biodiesel raw materials relies heavily on import from other countries.
Journal of the Science ofFood and Agriculture, 2006, 86(12),p. 1755-1768
Online since: October 2014
Authors: Yong Zhe Fan, Rui Na Ma, Peng Zheng, Xiao Ming Cao, An Du
Study of Process of Hot-Dipped Galfan Coating on Q235 Structural Steel An Du1, a, Ruina Ma2, b, Yongzhe Fan3, c, Peng Zheng4, d and Xiaoming Cao5, f 1,2,3,4,5School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China;Key Lab. for New Type of Functional Materials in Hebei Province, Hebei University of Technology, Tianjin, China aduan200005@aliyun.com, bmaryna@126.com, cfyz@hebut.edu.cn, dxiaobaizhinu@qq.com, fgd_sam@galvanize.com.cn Keywords: Galfan, hot dipping, flux, coating thickness Abstract.
Introduction Many innovative materials have been emerged in recent years and applied in machinery, building and other fields, but steel is still used as the main construction material for automobiles, appliances and industrial machinery.
However, due to its susceptibility to corrosion, using coating to protect this material from corrosion is imperative.
Journal of HeBei University of Technology. 40(2011)70-77 [9] A.
Transactions of materials and heat treatment. 31(2010)144-148
Online since: December 2006
Authors: Jea Hong Kwon, Seung Il Moon, Woo Sung Cho, Kyong Soo Lee, Yun Hi Lee, Byeong Kwon Ju
A MEMS-based fabrication process was developed to fabricate a device where MWCNTs based sensing material was precisely assembled pattern.
However, SW-CNTs based sensing material was difficult to realize CNT-integrated devices.
Meyyappan., "Carbon nanotubes : science and application
Zhao, et al., Journal of American Chemical Society., Vol.124., p.12418., (2002) [6] H.