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Online since: August 2013
Authors: Zhen Huang, Chang Zhang, Guo Wei Chen
Introduction Fiber reinforced concrete is now a widely used construction material.
Acknowledgements The authors acknowledge the National Natural Science Foundation of China for its financial support to this research project (No. 51178265).
Journal of Tongji University, Vol.4(1957), p.120 (In Chinese)
Yang: Research on Strengthening Mechanism of Bamboo Fiber Concrete under Splitting Tensile Load, Advanced Materials Research Vols. 374-377 (2012) p.145
Zhang: Bamboo Strengthened with Carbon Fiber Reinforced Polymer for the Substitutes of Steel Substructures, Key Engineering Materials, Vol. 517 (2012) p.233
Online since: August 2015
Authors: H. Setiadi, A. Prasetyo, V. Suendo, Agustinus Agung Nugroho
Nugrohoa Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl.
The rutile TiO2 has also been explored as a spintronic material by hosting the magnetic ions such as Mn and Co.
The reacted powder of Ti0.9Co0.1O2 was synthesized from the starting materials of TiO2 and Co3O4 using the solid state reaction.
Journal of Applied Physics 109(8), 2011: p. 083905 [6] J.
The Journal of Chemical Physics, 1951. 19(12)
Online since: May 2020
Authors: E.S. Egorov, Svetlana V. Samchenko
Obtained results may recommended the addition of pre-hydrated cement in form of cement suspension as cement gel for concrete nanomodification Introduction Buildings materials nano-modification is a mainstream of modern material science.
Due to obtaining improvement microstructures [2, 3], possibilities to regulations of density [4], hardening rate and ultimate strength value [5, 6, 7], nano-modifier supplementation can help produce more economical and qualitative materials.
Materials and Methods For this research Portland Cement (PC) Type I 42,5 H from AO «Podolsk-Cement» was used.
Sobolev, Nanotechnology in A Concrete Materials Synopsis, TRB Transportation Research Circular, December 2012, No.
Nonat, Hydration of cementitious materials, present and future, Cement and Concrete Research. 41 (2011) 651-665.
Online since: December 2006
Authors: Osamu Kuwazuru, Nobuhiro Yoshikawa, Shouji Kuzukami
Identification of Displacement Field by X-ray CT Nobuhiro Yoshikawa1, a , Shouji Kuzukami2,b and Osamu Kuwazuru3,c 1 Institute of Industrial Science, The University of Tokyo, Komaba 4-6-1, Meguro-ku, Tokyo 153-8505, Tokyo, Japan 2 Graduate Student, The University of Tokyo, Komaba 4-6-1, Meguro-ku, Tokyo 153-8505, Tokyo, Japan 3 Institute of Industrial Science, The University of Tokyo, Komaba 4-6-1, Meguro-ku, Tokyo 153-8505, Tokyo, Japan a yoshi@telu.iis.u-tokyo.ac.jp, bkuzukami@telu.iis.u-tokyo.ac.jp, ckuwa@telu.iis.u-tokyo.ac.jp Keywords: Inverse Problems, Digital Image Correlation, X-ray Computed Tomography, Biomechanics, B-spline Function, Levenberg-Marquardt Method.
A material testing methodology is investigated in line with non-invasive manner using XRay CT images for characterizing biological tissues.
An adequacy of the analysis is governed by material model, parameters of which are necessarily estimated through experiments.
A framework of non-invasive material test for human body seems constructed on the basis of X-ray CT image procession.
International Journal of Solid and Structures Vol. 39 (2002), p. 3777
Online since: July 2014
Authors: Zhi Zhang, Qian Gu
A material nonlinear finite element analysis by the finite element calculation software ANSYS on masonry walls strengthened by SGFRP under the horizontal cyclic loads combined with constant gravity loads was performed.
In order to verify the reasonableness of the experimental results, in this paper, according to the masonry walls specimens, finite element analysis models of ANSYS were constructed, and the material nonlinear finite element analysis on shear bearing capacity of masonry walls strengthened by SGFRP was performed.
Conclusions In this paper, according to the masonry walls specimens, the finite element models of ANSYS were constructed, and the material nonlinear finite element analysis of masonry walls strengthened by SGFRP under the horizontal cyclic loads combined with constant gravity loads was performed.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (No. 50708084) and the Natural Science Foundation of Hubei Province of China (No. 2008CDA043).
Journal of Wuhan University of Technology, 2010, 29(13): 58-61.
Online since: August 2013
Authors: Guan Lin Zhu, Jia Fei Zhou, De Fu Liu, Teng Teng Ruan, Zheng Jian Yang
Journal of Agro-Environment Science, 2007, 26:279- 282.
China Environmental Science Press, 2002.
Journal of Water Resources & Water Engineering, 2011, 22(1):40-44.
Relationship Between Algal Growth and Nutritious Materials Absorbabi lity in the Three -Gorges Valley[J].
Environmental Science, 2005,26(4): 95-99.
Online since: November 2012
Authors: Guo Ying Zeng, Long Zhang, Hong Qiang Zeng, Deng Feng Zhao
Study on Thermal Deformation of Machining Center’s Spindle Box Based on ANSYS Hongqiang Zeng1, a, Dengfeng Zhao1,b , Guoying Zeng 1,c , Long Zhang 1,d 1 Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China azenghq2010@163.com, b1264879506@qq.com, czenggy@163.com, dzhanglong@163.com Keywords: Machining center, Spindle box, Thermal deformation, FEA(finite element analysis).
The parameters in the analysis are assumed as follows: the temperature of surrounding environment is 20℃, the material of spindle box is carbon steel, which the thermal conductivity coefficient is 55 W(m•℃), elastic modulus is 2.1GPa, Poisson’s ratio is 0.3, and linear thermal expansion coefficient is 1.2×10-5m/℃.
Acknowledgements This work was financially supported by the major projects of national science and technology (2011ZX04002-081).
References [1] Yun W S, Kim S K, Cho D W, “ Thermal error analysis for a CNC lathe feed drive system,” International Journal of Machine Tools & Manufacture. 1087-1101 (1998), p. 39 [2] Zhao Haotao, Yang Jianguo, Shen Jinhua, “Simulation of behavior of a CNC machine tool spindle,,” Internation Journal of Machine Tools and Manufacture. 1003-1010 (2007), p. 47 [3] Xiang Jun, Han Qiushi, Peng Baoyun, “Thermal field modeling and simulation of spindle system on turning-grinding machine tool,” Machinery Design & Manufacture.150-154(2011), p. 10 [4] Chen Y Y, Wei W J, Tsai J C, “Optimum design of headstocks of precision lathes”, International Journal of Machine Tools &Manufacture, 1999, 39(12):1961-1997 [5] Zhang Yaoman, Liu Qiwei, “Finite Element Analysis of Thermal Characteristics of the Spindle Assembly and Headstock for a Numerical Control Lathe,” Journal of Northeastern University(Natural Science),Vol.32, No.4, 571-574,2011
Online since: September 2011
Authors: Hong Jie Yan, Ping Zhou, Ze Lin Xu, Zhuo Chen, Jing Wen Mo
Kasai: Applied Surface Science Vol. 254(2008), p. 7243 [3] R.K.
Webb: International Journal of Heat and Mass Transfer, Vol. 45(2002), p. 3477 [6] H.
Cheng: International Journal of Heat and Mass Transfer, , Vol. 46(2003b), p.2519 [7] B.Y.
(Science and Technology), Vol. 37(2006), p, 964 [8] W.L.
Pütz: International Journal of Heat and Mass Transfer, Vol. 50(2007), p. 1865 [10] S.G.
Online since: April 2018
Authors: Aneta Milsimerová
It is mainly about helix areas where are we not able to influence the manufacturing process by using different material of the grinding tool or machine kinematics.
Bull., Series D, Vol. 72, Iss. 2, 2010 [3] GUANG, F., FENGWEI, H., DONGMING, G., RENKE, K., ZHUJI J., Ultra-precision grinding of asymmetric curved surfaces by line contact with cup wheel, 2013, Proceedings of the institution of mechanical engineers part c-journal of mechanical engineering science, Sage publications ltd, 227s, pages 111-119, ISSN: 0954-4062 [4] SILAI, X., LIMING, W., ZEZHONG., C., CH., SEQUAN, W., AIMING T., A New and Accurate Mathematical Model for Computer Numerically Controlled Programming of 4Y1 Wheels in 21/2-Axis Flute Grinding of Cylindrical End-Mills, 2013, Journal of manufacturing science and engineering-transactions of the ASME, 135s, ISSN: 1087-1357 [5] MOFIZUL, MD., I., HOCHAN, K., TAEJO, K., Geometry Modeling of Screwed Wheel Dressed by Rounded Tool, 2015, Journal of the Chinese society of mechanical engineers, s 283-290, ISSN: 0257-9731 [6] YUANSHENG, Z., JINYUAN, T., HENG, Z., FENG, Y., Multistep Method for Grinding Face-Gear by Worm, 2016, journal
of manufacturing science and engineering-transactions of the ASME, ISSN: 1087-1357 References to a book: [7] Milsimerová, A. (2014).
Online since: February 2014
Authors: Osama Eljamal, Junya Okawauchi, Kazuaki Hiramatsu
Several studies have reported on the using of natural materials to improve the phosphorus removal by adsorption, including: limestone, shale, slag, iron rich gravel, zeolite, calcite and other artificial materials [2].
Table 1 Chemical compositions of materials (%) SiO2 CaCO3 Al2O3 Fe2O3 CaO MgO K2O Na2O P2O5 Ig-loss Total Standard Sand 92.6 3.7 0.7 0.5 0.2 0.5 98.2 Marble Dust 28.1 70.0 0.4 98.5 Volcanic Ash 37.1 8.8 27.2 3.9 1.2 1.4 1.4 0.5 17.1 98.6 Materials and Method Materials.
The chemical compositions of materials were analyzed and are given in Table 1.
Percentage removal of phosphorus with time for different materials Figure 3.
Journal of Hazardous Materials, 184: 746–752