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Online since: July 2014
Authors: Yun Chen, Nai Long Zhu, Shuai Gao
SMA is a kind of super-elastic material and has been applied in many areas due to their high power density, solid state actuation, high damping capacity, durability and fatigue resistance.
The super-elastic deformation behavior of shape memory alloy was studied through material test, and its stress-strain curves were equivalent to multi-linear model (shown as Fig.2 and Fig.3).
The used steel was assumed to behave as an elastic plastic material.
This kind of element is a special element of ANSYS to represent the material property of SMA.
Acknowledgements The authors acknowledge the support from Scientific Research Starting Foundation of Hainan University (kyqd1401), Hainan Natural Science Foundation, and the Midwest Key Areas Construction Project Plan of Hainan University.
Online since: June 2011
Authors: Yung Sheng Chang, Hua Lin Tsai, Rong Jyue Fang
The challenge to the computer technology, science, and engineering is in handling these functions efficiently; and the key to doing so is in understanding the nature of the information that is being perceived, stored, processed, and presented.
Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.
Clem: submitted to Journal of Materials Research (2003) [6] P.G.
Online since: January 2012
Authors: Cheng Hu Zhang, Zhi Gang Yang, De Xing Sun
(3) With different materials of heat exchanging pipes of under the same experimental flow velocity, the time when the fouling thermal resistance comes to be stable and the stable value are both different
(4) The surface treatment for heat exchange materials: many studies have shown that the use of surface treatment technology can play a role in anti-scaling, such as adopting nm surface coating, nitric acid passivity of the stainless steel, polished the surface of stainless steel.
Water Science and Technology,2001,43(10): 277-286
Journal of the Japan Institute of Energy , 2000, (5): 446-454.
Online since: February 2012
Authors: Ke Jian Ma, Shao Quan Xia, Jian Chun Xiao
In practice, the thickness of U-style steel slabs changes with the distribution of stresses for saving of steel material.
Calculation of horizontal shear force locating on the interface between the two materials is usually based on test data.
To steel-concrete composite plate 35~60% decrease of self-weight than its corresponding solid plate or two-way dense rib plate leads to several benefits: The maximum stress in steel-concrete composite plate is Fig. 8 A photo of test model of steel-concrete composite plate Fig. 9 Equivalent stress of a steel-concrete composite plate cut down by 25~45%, so we can save much of material; l The decrease of steel bars makes it easy to lay out steel bars that resist positive or negative moment; l To long-span RC structures the effect of self-weight is significant, steel-concrete composite plate makes it easy to control the deformation of plate; l The maximum bend moments of columns and substructures are also decreased; l The plate allures less seismic inertial force
Acknowledgements This work was partly supported by the Chinese National Natural Science Foundation (50978064).
Journal of building structures, 1982, n2-3. 25-41.
Online since: October 2008
Authors: Hong Ya Fu, Ming Lian
Flexible hinge is a special driving structure, which utilize the tinny elastic transmutation and recuperation character of elastic material to realize tinny displacement.
Differential part can be treated as equivalent cross-section rectangular beam with length of dx ; furthermore, the bending torque acting on the side of differential part is also the same, based on the "Material mechanics" the radius of curvature will be defined as: )( )(1 xEJ xM = ρ (1) Where E is modulus of elasticity; ρ is the radius of curvature; )(xJ is moment of inertia; )(xM is the bending moment on dx .
The 65Mn is chosen as flexible hinge material, one terminal of the hinge is fixed and the other one is put with the torque of 0.85N.M.
The material of flexible hinge is also 65Mn.
Wang: Chinese Journal of Nuclear Science and Engineering, Vol. 17 (1997) No.3, pp. 266
Online since: June 2004
Authors: S.Yu. Karpov, M.S. Ramm, M.G. Ramm, A.D. Roenkov, E.N. Mokhov, Yu.A. Vodakov, I.D. Matukov, D.S. Kalinin, J.S. Barash, Heikki Helava, D.Kh. Ofengeim, M.V. Bogdanov, Yuri Makarov
., 194156 St.Petersburg, Russia, 2 Crystal Growth Science and Technology Laboratory, St.Petersburg, Russia 3 The Fox Group, Inc., Livermore, CA, USA 3 Semiconductor Technology Research, Inc., P.O.Box 70604, Richmond, VA 23255-0604 USA Keywords: SiC bulk growth, faceting Abstract.
The material obtained by the technique was free of micropipes, with the etchpit density less than ~103 cm-2 beyond the seed contour.
Journal Title and Volume Number (to be inserted by the publisher) distribution along the crystal interface perimeter at the intermediate time instant t = 30 h (solid curve).
If local surface tangent αsurf is close to a close-packed plane (regions OA and BC), the terrace width is large and sparse material sinks (step edges) can not utilize most of Si and C adatoms.
The model can be readily extended to other bulk materials growing from the vapor, in particular, to group-III nitrides and II-VI compounds.
Online since: May 2011
Authors: Xu Ya Peng, Zhi Yang Li, Fei Xiao, Peng Zhang, Shi Lin Qian
Materials and Methods Experimental reagents and apparatus.
Journal of Materials Science, 2001, Vol.36, Vol.36 (NO. 2)
Online since: April 2012
Authors: Shi Liu, Xin Jie Wu, Bin Li, Chao Xu
In industrial production, the bulk raw materials are ground into powder.
So this transportation systems are widely used in the metallurgy, chemical engineering, building materials and electricity generation industry, etc. [1].
Acknowledgments The authors wish to thank the scientific research foundation of the department of science and technology of Liaoning province, People’s Republic of China (No. 20102082); the Foundation of Key Laboratory of Condition Monitoring and Control for Power Plant Equipment, Ministry of Education, People’s Republic of China (No. 2008-010) for financially supporting this research.
[5] Zhi-hai Jia, Gang Niu, Jing Wang, Flow regime identification in two-phase flow by using neural network, Journal of Chemical Engineering of Chinese Universities, 19(2005) 368-372 (in Chinese)
Online since: June 2012
Authors: Shi Chang Lu, Shi Wei Liu, Dan Li
The meaning and function of inventory Inventory refers to all material resource reservation.
It refers to raw materials which serves form manufacture and semi-finished products in the process of manufacture.
It refers to material resources or standby in warehouse in the traditional sense.
Management Science 2002, 48(2):300-306
Centralized inventory controlling two levels distribution system European Journal of Operation.
Online since: September 2016
Authors: Elena F. Polisadova, Damir T. Valiev, Vitaly A. Vaganov, Habibula A. Abdullin, A.A. Marhabaeva, D.D. Kerimbaev
., Effect of particle size and morphology on the properties of luminescence in ZnWO4, Journal of Luminescence. 153 (2014) 130-135
Lisitsyn et al., Cathodoluminescence And Radiation-induced Absorption In YLiF4 Crystals In Excitation By Electron Pulse, Advanced Materials Research. 880 (2014) 13-18
Series: Materials Science and Engineering 110 (2016) 012051
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