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Online since: February 2012
Authors: Wan Shan Wang, Peng Guan, Yu Tao, Wei Wang
The main kinetic parameters on junction of the super-high-speed grinder Kx(N/m) Ky(N/m) Kz(N/m) Cx(Ns/m) Cy(Ns/m) Cz(Ns/m) column and headstock 2238150 0 1.119*1013 1.34*103 111.9 111.9 Bed and a large table 0 5*1010 1*1013 143 1232 143 The base of small table and the small table 1.65*1012 1.5*109 0 150 322 150 Boundary Conditions and Material Properties Because the two materials gray cast iron and structural steel are used in a super-high-speed grinder.
So when the material property was set.
Guanxiyou, Sunwei: China journal of mechanical engineering Vol 8(2010), p. 1-6.
Huanghongwu, Zhaoxiaoqing, Ninghaiqing, Hebing: Journal of Hunan University (Nature science edition) Vol 32(2005), p. 39-42.
Tu: International Journal of Machine Tools & Manufacture Vol 43(2003), p. 1035-1050 [5].
Online since: December 2012
Authors: Zhan Qu, Yi Hua Dou, Xiao Zeng Wang
The casing, cement and formation are continuous homogeneous isotropic elastic material.
() (1) () (2) () (3) Where d-the inner diameter of the casing, D-the outer diameter of the casing, Dc -well diameter, po-formation pressure, p-casing load, p2-cement load, λ1, G1-elastic mechanical parameters of formation rock. λ2, G2 are elastic mechanical parameters of material of cement. λ3, G3 are elastic mechanical parameters of material of casing.
Assumed the rocks and cement are elastic materials, the formation pressure is 60MPa, while the internal pressure of Casing is 20-50MPa.
Geometrical and physical parameters of the materials of Casing/cement/formation are as shown in table 1.
Fossum, J.T:Society of Petroleum Engineers Vol.3(2003), p.13 [3] Youquan Yin, Zhiming Li: Journal of rock mechanics and engineering Vol.23(14)(2004), p.2381 [4] He Liu: Journal of University of science and technology of China Vol.35(1)( 2005), p.118 [5] Guijie Yu: Oil field machinery Vol.39(5)( 2010),p.1 [6] Pingen LI, Youquan Yin: Journal of Peking University Vol.43(1)( 2007),p.11 [7] Feng Qian, Deli Gao:Journal of Natural Gas Science and Engineering Vol.3(2011), p.530
Online since: February 2013
Authors: V.M. Pathak, K.D. Patel, M.S. Jani, R. Srivastava, H.S. Patel, J.R. Rathod
CdSe is one of the prominent materials due to its near optimum direct energy gap and high absorption coefficient.
Barua,Japanese Journal of Applied Physics 18 (1979) 2233
Al-Sabayleh, Australian Journal of Basic and Applied Sciences 3(2) (2009) 669
Riyad, Ahmad-Bitar, American Journal of Applied Sciences 5 (9) (2008) 1141
Amariei, Journal of Optoelectronics and Advanced materials 8(3) (2006) 922
Online since: January 2005
Authors: Cheng Bao Jiang, Hui Bin Xu, Jian Qin Mao, Lin Li, Chao Li
On Control of Six Freedom Magnetostrictive Smart Structure 1 Jianqin Mao 1, a, Chao Li 2, b , Huibin Xu 3, c,Chengbao Jiang 4, d, Lin li5, e 1,2 The Seventh Research Division, Beijing University of Aeronautics & Astronautics (BUAA), Beijing, 100083, China 3,4 School of Materials Science and Engineering, BUAA, Beijing, 100083, China 5 School of Jet Propulsion, BUAA, Beijing, 100083, China a Dumao@public.bta.net.cn, bLichao7715@163.com, cxuhb@public.bta.net.cn, d cbjiang@public.fhnet.cn.net, efeililin@btamail.net.cn Keywords: magnetostrictive material, TbDyFe, active vibration control, Stewart platform, LMS algorithm.
The smart materials have been used to reduce the vibration of structure by active control techniques.
Design of the TbDyFe actuators Using zone melting unidirectional solidification, the Dept. of Materials Science and Engineering of BUAA has investigated the relationship of unidirectional solidification preferred orientation, microstructure and magnetostrictive property of TbDyFe alloys.
The actuators instrumented <110> preferred orientation TbDyFe materials are constructed, which can generate large amplitude of motion. 2.
Snyder, active control of noise and vibration, China Science Press, 2002.3
Online since: October 2008
Authors: Zheng He, Miao Hong Shang, Xiao Ming Li
The time-dependent effects associated with material properties are not taken into account in the calibration process.
Nanni: Construction and Building Materials Vol. 16 (2002), p. 135-146 [17] A.
Nanni, in: Advanced Composite Materials in Bridges and Structures, edited by J.L.
Teng: Construction and Building Materials Vol. 17 (2003), p. 27-41 [26] J.
Chen: Building Science Vol. 18(supplement 2) (2002), p.50-57 [30] D.X.
Online since: November 2012
Authors: Jun Tao Chen, Yin Liu, Shu Yang Yao, Cheng Xiang Zhang
There are many ways of environmental management and comprehensive utilization of mine solid waste; recover useful elements, produce building materials, secondary energy recovery, fill the mine pit and collapse pit, paving, etc.
Introduction Mine solid waste is the remaining abandoned materials after the extraction of useful components from the mineral resources, including a lot of waste rocks from stripping the open pit mine and pit mining, gangue, tailings from mineral processing and slag from smelting etc[1].
Production of building materials (1)Take the block and solid waste as concrete aggregate Solid waste with larger particles could be processed into concrete aggregate .
Due to techniques, cost and other factors, high-grade building materials such as glass-ceramic granite, glass silicon which have been developed failed to obtain strong competition in the market
References [1]Peiliang Li, Yaoli Ma, Qingfa Chang and Chenhua Xiu: submitted to Journal of analysis and protection(2004) [2]Xianlai Wang, Weixin Yao, et al: submitted to Journal of China Mining Magazine(2011) [3]Metallurgical mining department in: Metallurgy mine iron ore tailings mill comprehensive utilization survey report(1989) [4]Xiangguo Liu: submitted to Journal of coal processing and comprehensive Utilization(2002) [5]Wenhu Fan: submitted to Journal of Sci-Tech information development & economy(2007) [6]Min Guo, Yeshou Lu: submitted to Journal of China mining(2009)
Online since: October 2012
Authors: Gonasagren Govender, Heinrich Möller, Levy Chauke, Ulyate Andries Curle
Hu, Trend and Development of Semi-Solid metal processing, Journal of Material Science Technology, 2000, 16 (5), 453-460
Stumpf, Investigation of the T4 and T6 heat treatment cycles of semi-solid processed aluminium alloy A356, The Open Materials Science Journal, 2008, 2, 11-18
Govender, Industrial Semi-Solid rheo-casting of aluminium A356 brake callipers, Advances in Materials Science and Engineering, 2011, Article ID 195406, 1-5
Shuey, Quench sensitivity of an Al-7pct Si-0.6 pct Mg alloy, Metallurgical and Materials Transactions B, 2007, 38, 575-582
Stumpf, Comparison of the heat treatment response of SSM-HPDC 6082 and 6004 wrought alloys with A356 and F357 casting alloys, Materials Science Forum, 2011, 690, 53-56
Online since: November 2013
Authors: Guo Jun Liu, Jian Fang Liu, Jian Qiao Li, Zhi Gang Yang, Jia Zhu
In order to provide the power source with higher performance to the precision actuators, many novel smart materials have been applied in the production of precision driving unit, such as magnetostrictive material, electrostrictive material, photoluminescence telescopic material, shape memory alloy, electrorheological fluids, piezoelectric material etc[4-8].
Colton, Nanoscale measurements and manipulation, Journal of Vacuum Science and Technology B. 22(2004) 1609-1635
[6] Tzou HS, Lee HJ, Arnold SM, Smart materials, precision sensors/actuators, smart structures, and structronic systems, Mechanics of Advanced Materials and Structures. 11(2004) 367−393
[9] Michele Pozzi and Tim King, Piezoelectric actuators in micropositioning, Engineering Science and Education Journal. 2(2001) 31-36
Stanway, Smart fluids: current and future developments, Materials Science and Technology. 20(2004) 931−939
Online since: June 2011
Authors: Bin Liu, Yin Zhong Bu, Sheng Rong Yang, Jin Qing Wang, Lin Wang
Titanium (Ti) and its alloys have been applied in orthopedics as one of the most popular biomedical metallic implant materials.
It is anticipated that the Ti alloys modified by CS-CPP biocomposite coatings will find potential applications as implant materials in biomedical fields.
Hopefully, the prepared CS-CPP biocomposite coating will play a significant role in improving the biocompatibility of the Ti alloy implant materials.
Liu: International Journal of Stomatology.
Pei: Chinese Journal of Clinical Pharmacy.
Online since: June 2013
Authors: Elif Malyer
Micari, An analytical model for improving precision in single point incremental forming Journal of Materials Processing Technology, 191 (2007) 92–95 [3] F.
Ceretti, Experimental and simulative results in sheet incremental forming on CNC machines, Journal of Materials Processing Technology 152 (2004) 176–184 [5] K.
Park, The formability of aluminium sheet in incremental forming, Journal of Materials Processing Technology 113 (2001) 654-658 [8] M.
Vanherck, Experimental study on force measurements for single point incremental forming, Journal of Materials Processing Technology 89 (2007) 65–72 [15] J.
Minutolo, The influence of tool rotation on an incremental forming process, Journal of Materials Processing Technology 209 (2009) 4621–4626 [17] F.
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