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Online since: December 2011
Authors: Ting Zhang, H.G. Li, J.J. Zhao
Introduction Applications of smart materials, such as piezoelectric materials, magnetostrictive materials, magneto-rheological fluids, electrorheological fluids and shape memory alloys, have been developed increasingly in recent years.
Smart Materials & Structures 15(6): 1846-1857
Journal of Intelligent Material Systems and Structures 19(5): 573-582
Smart Materials & Structures 15(6): 1927-1938
Journal of Thermoplastic Composite Materials 19(3): 293-307.
Online since: December 2014
Authors: Roberto Brito Velame, Rogério Hermida Quintella, Lisa Sahadia de Oliveira Carvalho, Bárbara Ariela da Silva Leite, Rosana Muñoz
The final quantities of materials used in the concreting are presented in Table 2.
Balaguru, Contribution of fibers to crack reduction of cement composites during the initial and final setting period, in: ACI Materials Journal, American Concrete Institute, Vol. 91, Nº 3, May-June (1994), pp. 280-288
Zollo, Effect of synthetic fibers on volume stability and cracking of Portland Cement Concrete and Mortar, in: ACI Materials Journal, American Concrete Institute, Vol. 87, Nº 4, July-August (1990), pp. 327-332
Canellas, Reciclagem de PET, visando a substituição de agregado miúdo em argamassas, Pontifícia Catholic University in Rio de Janeiro (Master’s in Materials Science and Metallurgy), Rio de Janeiro (2005) [13] F.
Gomes, Materiais de Construção II (practical class handout), Federal University of Bahia, Polytechnic School, Department of Materials Science and Technology (DCTM), Salvador (2008) [33] Brazilian Association of Technical Standards, NBR NM 67.
Online since: November 2012
Authors: Xing Wen Du, Jian Zheng Wei, Hui Feng Tan, Jian Xin Yu
Dynamic Testing and Analysis of Inflatable Beams Jianzheng Wei 1,2, a, Huifeng Tan 1,b, Jianxin Yu1,c and Xingwen Du1 1Center for Composite Materials, Harbin Institute of Technology, Harbin,China. 2Post-doctoral Research Center in Materials Science & Engineering, Harbin Institute of Technology, Harbin,China.
Luckily, due to significant progress in light-weight deployable structures, and advanced materials and processing methods, which opens new perspectives concerning the realization of an inflatable beam, after numerous trials, composite fiber strips reinforced (CFSR) inflatable beam technology is the potential candidates, combined with Kevlar fiber composite materials.
There are six composite materials strip enhancing the stiffness in the internal beam, and there are four gluing control Velcro strips on the external walls.
Tinker: Proceedings of the 40th Structures, Structural Dynamics, and Materials Conference, (Reston, VA, 1999). p. 2495
Du: 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, (Orlando, FL, April 12-15 2010), AIAA- 2010-2580
Online since: September 2011
Authors: Noaman Ul-Haq, Mohammad Bilal Khan, N. Ahmed
Khan1,b, Noaman Ul-Haq1,c 1School of Chemical and Materials Engineering (SCME) National University of Sciences and Technology (NUST), H-12 Campus, Islamabad, Pakistan.
Experimental Materials.
Processing of materials.
[10] Khan M.B., in Handbook of Engineering Polymeric Materials, N.P.
[19] Ulrich T., Energetic Materials, Particle Processing and Characterization, Wiley-VCH, 2005
Online since: November 2012
Authors: Shao Jun Bo, Kui Ji, Juan Tian
With the backlash dynamics simulation of a crank-slider mechanism of the Internal combustion engine Shaojun Bo1, a, Kui Ji2, b, Juan Tian3, c 1 School of Mechanical Engineering Inner Mongolia University of Science and Technology Baotou, Inner Mongolia, China 2 School of Mechanical Engineering Inner Mongolia University of Science and Technology Baotou, Inner Mongolia, China 3Institute of Mechanical Engineering Inner Mongolia University of Science and Technology Baotou, China absjsdkd@163.com, b245173065@qq.com, celainetianjuan@163.com Keywords: Dynamics; Backlash; Slider-crank; Simulation; Internal-combustion engine Abstract: On the basis of flexible multi-body system dynamics theory, we built flexible multi-body system dynamics models which include a backlash, and to a slider-crank mechanism as the research object, we made a preliminary study on the effect on the flexible components and the backlash of the kinematic pair on mechanical system dynamics characteristics.
Dynamics simulation with clearance of slider-crank mechanism Fig.2 ADAMS model of the slider-crank mechanism In Fig.2 shows slider-crank mechanism, put all parts material for steel, the size of the crank for ,the size of the connecting rod for , the size of the slider for ; k= , = , = ; the rotation of the crank at a constant speed and ,At crank and connecting rod take the backlash between their kinematic pair.
References [1] Hunt K H,et al.Coefficient of Restitution Interpreted as Damping in Vibroimpact[J].Journal of Applied Mechanics.1975,42E:440-445 [2] Herbert R G,et al.Shape and Frequency Composition of Pulses from an Impact Pair[J].Journal of Engineering for Industry.1977,99B(8):513-518 [3] Yigit A S,et al.Spring-dashpot Models for the Dynamics of a Radially Rotating Beam with Impact[J].Journal of sound and Vibration.1990,142(3):515-525 [4] Lee T W,et al.On the Dynamic Interactions of Interm Intent Motion Mechanisms, part 1:Dynamic model and response[J].Journal of Mechanisms,Transmissions, and Automation in Design,1983,105(3):527-539 [5] Wang Yu,et al.Dynamic Analysis of Flexible Mechanisms with Clearance[J] Journal of Mechanical Design.1996,118:592-594
Online since: October 2015
Authors: Yan He, Yi Nie, Yan Wang, Jing Hao, Tao Huang, Yueh Jaw Lin
Structural optimization can be an effective technique to optimize the utilization of die materials and reduce the weight of existing polymer extrusion dies.
The materials properties are shown in Table 1.
Acknowledgments The authors are grateful to Ningbo Science and Technology Bureau China for their kind support of the work through the Innovation Team Fund (Project Id: 2011B81006), Ningbo International Collaboration Fund (Project Id: 2011D10003), Ningbo Natural Science Foundation (Project ID: No.2011A610152).The work is also supported by National Natural Science Foundation of China (Project ID: 51305216).
Journal of Non-Newtonian Fluid Mechanics, 2013, 200: 79-87
International Journal of Mechanical Science, 2012, 59(1): 73-82.
Online since: September 2013
Authors: Zhong De Shan, Feng Liu, Lei Ming Chen, Chao Yi Wang
Ltd and Huazhong University of Science and Technology in China had developed SLS technology and relevant equipment.
References [1] Jinsong Yang, Yusheng Shi, Qiwen Shen, et al: Journal of Materials Processing Technology.
Zhan, et al: Advanced Materials Research.
Olvera, et al: Advanced Materials Research.
Suresh Babu, Romy.D.Thumbanga: International Journal of Mechanics.
Online since: January 2014
Authors: Li Jing Wen He, Quan Mei Gong
Fig.10.The calculated dynamic stress Fig.11.The vertical attenuation coefficient Conclusions The stress-strain curve before the destruction which is generated from PFC biaxial test simulation is in good accordance with experimental results of measured biaxial test, so the way of obtaining the microscopic parameters of subgrade materials used in the numerical simulation is reasonable, feasible and practical.
(in Chinese) [2] Liang Dong, Chengang Zhao and Degou Cai: China Civil Engineering Journal.Vol.41(2008),p. 81-86.
(in Chinese) [4] Jian Zhou, Yuwei Chi and Yong Chi: Chinese Journal of Geotechnical Engineering.
Journal of Rock Mechanics and Engineering.
Journal of Railway Engineering Society.
Online since: January 2022
Authors: Viranjay Srivastava, Naveenbalaji Gowthaman
To reduce the parasitic capacitance, the new proposed design of Hafnium (IV) oxide sidewall has been used between the Gold (Au) gate material and the Platinum (Pt) source/drain material.
The parasitic capacitance lowering and increasing thickness of dielectric material constitutes for the efficient dielectric constant of the material lead to smaller capacitance values.
Rajesh, “Fast test pattern generator using ATALANTA M 2.0,” Asian Journal of Research in Social Sciences and Humanities, vol. 7, no. 2, pp. 721-729, Feb. 2017
Miyamoto, “Operation of 16-nm InGaAs channel multi-gate MOSFETs with regrown source/drain,” 2016 Compound Semiconductor Week (CSW) [Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS), Toyama, Japan, 26-30 June 2016, pp. 1-2, DOI: 10.1109/ICIPRM.2016.7528830
Sivasankari, “High Efficient Carry Skip Adder in various Multiplier Structures,” Advances in Natural and Applied Sciences, vol. 10, no. 14, pp. 193-197, Oct. 2016
Online since: December 2012
Authors: Er Ying Dong, Yin Shan Jin, Yuan Lin Ren
Experimental Materials.
Feng: Journal of Harbin University of Commerce (Natural Sciences Edition), Vol.24 (2008) No.6, p.730.
Jae: Materials and Design, Vol.32 (2011) No.4, p.1990
Yu: Journal of West China Forestry Science, Vol.34 (2005) No.2, p.113.
Li: Journal of Combustion Science and Technology, Vol.18 (2012) No.1, p.62.