Search results

Considering its high hardness and non-reaction with most of detergents used for cleaning the mold, quartz is selected as the material of the mold, and electron-beam lithography is used to fabricate the mold.
Acknowledgments The Science and Technology Department of Zhejiang Province of China under two programs #2008C14096 and #2009C11148 supported this work.
Lee, et al.: Journal of the Korean Physical Society Vol.55 (2009), p.1720 [2] C.Y.
Zankovych: Materials Science and Engineering: C, Vol.23 (2003), p.23 [5] S.P.

A scientific and reasonable system test, the assessment methods of the system science, reasonable, friendly interface Good, simple operation, and solves the problem of complicated statistical resulting previous assessment work.
Characteristics and advantages, the above described based on JSP technology is therefore, in the course of evaluation system, using JSP as the presentation layer, JavaBean as the intermediate layer, SQLServer as the technical scheme of database, the structure of the curriculum evaluation in small units has been able to basically meet the needs, and is easy to realize, the need to invest the human, material and financial resources, a relatively small.
Zhou: Applied Mechanics and Materials, 2013 pp. 347-350
Fang: Journal of Xi’an Shiyou University(Natural Science Edition), (2004) No.02, p.74

Microstructure and wear resistance of nanostructure WC composite coatings prepared by argon arc cladding injection Zhenting Wanga*, Shikui Zhub, Fan Feng, Haoran Cheng, Zhijie Kang, Sushuang Zhang, Lei Hu, Hongming Gao College of Materials Science and Engineering, Heilongjiang University of Science and Technology, Harbin, 150022, China a*wangzt2002@163.com, b379361650@qq.com Keywords: argon arc cladding injection, nanostructure WC, wear resistance Abstract.
Experimental Procedures Q235 steel was used as the substrate material with a dimension of 10cm×8cm×40cm processed by NH77 wire-electrode cutting, washed with acetone after grind to provide a clean surface.
The Chinese Journal of Nonferrous Metals. 2012, 22(9):2600-2607.

TRS is an effective process, but it suffers from numerous disadvantages: oxidization, loss of strength in part, change in material properties and pollution.
The beam is produced from 7075 aluminum alloy, Young’s modulus of E=71GPa, Poisson’s ratio of =0.3 and material density =2800.
Walker, Science and Technology of Welding and Joining, 6(3) (2001) 133
Walker, Modification of Residua Stress by Post-weld Vibration, Material Science and Technology, 17(2001) 601
Walker, Vibration Stress Relief – an Investigation of Torsional Stress Effect in Welded Shafts, Journal of Strain Analysis, 36(5) (2001) 453

Citation & Copyright (to be inserted by the publisher ) Hydrogen-Induced Degradation and Passivation of Ferroelectric SrBi2Ta2O9 Thin Films by Au Top Electrode Hoon Sang Choi1� , Hyun Joo Sung 1, Seung-gun Seo1, Yu Min Jang 1, Chang-Sik Son2 and In-Hoon Choi1 1 Dept. of Materials Science and Engineering, Korea University 5-1ka, Anam-Dong, Sungbuk-Ku, Seoul 136-701, Korea 2 Department of Photonics, Silla University San 1-1 Gwaebop-Dong, Sasang-Gu, Busan, Korea Keywords: SBT, MOD, hydrogen annealing, catalyst reaction, ferroelectric degradation Abstract.
H + ions and electrons easily migrate in the ferroelectric material to form a space charge in response to the depolarizing field of the domains, so that the ionized hydrogen atom causes domain pinning which degrades ferroelectric properties during the hydrogen annealing [6].
However, the Bi oxide peak with binding energy of 159 eV is largely shifted -6 -4 -2 0 2 4 6 -15 -10 -5 0 5 10 15 Voltage (V) Polarization (µµµµC/cm 2 ) 250 OC 300 OC 320 OC 350 OC 400 OC -6 -4 -2 0 2 4 6 -0.150 -0.120 -0.090 -0.060 -0.030 0.000 0.030 0.060 0.090 0.120 0.150 250 OC 300 OC 320 OC 350 OC 400 OC Polarization (µµµµC/cm2 ) Voltage (V) Journal Title and Volume Number (to be inserted by the publisher) toward the lower binding energy showing metallic bonding state after the hydrogen treatment.
Paz de Araujo: Science Vol.246 (1989), p.1400 [2] C.

The future work would be focused on studying a autonomous system of piezoelectric energy harvesting from the ambient, including higher performance of piezoelectric material, controllable vibrator, adjustable tuning circuit, larger energy transforming efficiency.
Acknowledgements This work was financially supported by National Natural Science Foundation of China (No.51175359), Suzhou Technology Infrastructure Plan Project (SZS201009) and the Innovation Fund of Suzhou Vocational University(2011SZDYJ11).
Townsend, in: Smart Structures and Materials：Smart Electronics， MEMS，BioMEMS, and Nanotechnology, Proc of SPIE 2005, 5763, p.267-275
Song, in Science, (14 April 2006) p. 312
Kamann, in: IEEE Journal of oceanic engineering, Vol.26(2001), p.539-547.

The Optimization Calculation and Analysis of Trough Solar Collector Bracket System Ge Li, Linyong Zhou,Zhidan Ai Inner Mongolia University of Science and Technology, Baotou, 014010, China ligeab@imust.cn Keywords: Collector bracket system, Finite element, Optimization Abstract.
According to the material of steel structure collector, the material parameters are elastic modulus of E=210GPa, Poisson's ratio ν=0.3, density ρ=7800kg/m3, gravity is 9.8m/s2 and the mirror density is ρ=2500kg/m3 in calculation process. 2.3 The loads and constraints of bracket.
The collector bracket is steel structure, and the main bearing material is Q235B, which the yield limit σs≥235MPa and the ultimate strength σb=375~500MPa.
Acknowledgements This work was financially supported by the produce-learn-research project of the Inner Mongolia University of Science and technology (PY-201108) for subsidization.
References [1] X.L.Jin, P.H.Wang: Shanghai Electric Power, (2009) No.1, p.19-22 [2] N.Zhou: ANSYS-APDL Advanced Engineering Application Examples Analysis and Secondary Development (China hydraulic press, China 2007) [3] Creation room of Boyi: APDL Parametric Finite Element Analysis Techniques and Its Application (China hydraulic press, 2004) [4] S.G.Gong, G.L.Xie: ANSYS Command and Parameter Programming (Machinery Industry Press, China 2004) [5] H.M.Wang: Journal of Xinjiang University, Vol.21 (2004) No.4, p.434-437

Numerical simulation and analysis of milling Material of the part is aeronautical aluminum alloy 7050-T7451.
The material model in finite element analysis is Johnson-Cook material constitutive model.
Mechanical Science and Technology.1145-1149(2012) [2] Zhihui Liu.
Journal of Manufacturing Systems.(2013) [5] Wenhuan Lin, Bentong Chen.
Liaoning Science and Technology Publishing House.ShenYang.(2004) [7] Hui Cheng, Yuan Li.

Phase- field Simulation of Binary Alloy Crystal growth Prepared by a fluid flow Ming Chen a, Xiao-Dong Hu a and Dong-Ying Ju a,b, * a University of Science and Technology Liaoning, Anshan, Liaoning 114051, China b Department of Material Science and Engineering, Saitama Institute of Technology, Fusaiji 1690, Fukaya, Saitama 369-0293, Japan Corresponding author: Dong-Ying Ju, E-mail: dyju@sit.ac.jp, Phone:86-412-5928052, Fax: 86-412-5929554 Keywords: phase-field method; numerical calculation; anisotropy; finite element method Abstract.
Lee: Materials Letters, 62 (2008), p. 2271-2274 [3] Z.
Fu et al: The Chinese journal of Nonferrous Metals, 17 (10) (2007), p. 1567-1573 [4] Kim S G, Kim W T, Suzuki T: Phys.

XRD Evidence for Phase Structures of Niobium Alloyed Austempered Ductile Iron Bulan Abdullah1,a, Siti Khadijah Alias1,b, Ahmed Jaffar1,c, Nor Hayati Saad 1,d, Mohd Faizul Idham1,e and Abdullah Ramli 2,f 1 Faculty of Mechanical Engineering, Universiti Teknologi MARA, Malaysia 2Faculty of Sciences & Biotechnology, Universiti Selangor, Malaysia abulan_abd@yahoo.com.sg, bkhadijah_alias@yahoo.com, cahmedjaffar@yahoo.com, dnorhayatisaad@salam.uitm.edu.my, emohdfaizulidham@gmail.com, fabdullahramli@gmail.com Keywords: XRD, Phase structure, Niobium, Austempered Ductile Iron.
A vast number of studies had been conducted in the past to further expand the functionality of ADI in term of the mechanical performance of these materials through transformation of their phase structures. [1-4].
Addition of alloying elements in austempered ductile iron helps to induced superior mechanical properties to the material [5-9].
Acknowledgement The authors would like to express their gratitude to the Ministry of Science and Technology, Malaysia (MOSTI) and Ministry of Higher Education, Malaysia (MOHE) for the financial support given to this work.
Journal of Iron and Steel Research Int. vol 15(4) (2008) 61-66.