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Online since: December 2012
Authors: Donato Sorgente, Luigi Tricarico
Material.
Since in superplastic materials little change in temperature can generate strong difference in values of the elongation to failure, three very close temperature levels (from 480°C to 520°C) were investigated changing the pressure from 0.2 to 0.8 MPa.
Abu-Farha, The effect of strain rate sensitivity evolution on deformation stability during superplastic forming, Journal of Materials Processing Technology 191 (2007) pp 189–192 [7] Firas S.
Bower, New approach to gas pressure profile prediction for high temperature AA5083 sheet forming, Journal of Materials Processing Technology 210 (2010) 825–834 [8] Khaleel, M.A., Johnson, K.I., Smith, M.T., 1997.
Zhang, Material modelling data for superplastic forming optimisation, Materials Science and Engineering A 410–411 (2005) 100–104
Online since: July 2022
Authors: Vadim Soloviev, Luka Efishov, Evgenij Matyushin
Materials and Methods 2.1.
[4] Graybeal, B. and Baby, F., Development of a Direct Tension Test Method for UHPFRC, ACI Materials Journal, Vol. 110, No. 2 (2013)
Yaragal // Construction and Building Materials.
Raw materials and mixture design/ Caijun Shi et al.
Construction and Building Materials.
Online since: July 2019
Authors: Michele Buonsanti
The fighter planes of the fifth generation, as compared to the fourth, has increased the composite materials use since high mechanical properties enhance the operational performance.
However, composite materials present some negative characteristics such as damage progression, leading to delamination or matrix failure.
Materials and Methods Experimental test was performed on some real specimens of the upper skin composite of Eurofighter aircraft obtained from Alenia-Aermacchi Company (see fig. 2) [4] & [5].
Acknowledgment We are gratefully toward Flight Experimental Centre, Chemical and Materials Section of Italian Air Force since provider of the specimens under experimental test and again, even to supply results and documents about NDT on composite panels.
References [1] Abdallah E.A. et al., Experimental analysis of damage creation and permanent indentation of highly oriented plates, Composites Science and Technology, 69 (2009) 1238-1245
Online since: September 2008
Authors: Olga Tsurtsumia, Boris Bulia, Omar Mikadze, Elguja Kutelia
Introduction The alloys of the Fe-Cr-Ni-Al-RE system are known as high temperature corrosion resistant materials and are used for the production of parts capable of use at temperatures up to 1200°C [1].
Besides oxidation resistance, good wear resistance is often also required from such functional materials at high temperature [6].
Bakhtiyarov, Journal on Engineering and Technology Vol. 1, No. 4, (2006), p. 61 [6] J.A.
DellaCorte, Friction and Wear Characteristics of Candidate Foil Bearing Materials From 25 °C to 800 °C, Work performed for U.S.
Shishido, Journal of Mater.
Online since: October 2018
Authors: Fedor V. Grechnikov, Ekaterina Nosova, Natalya Lukonina
Jenabali Jahromi, Microstructure and mechanical properties relation in cold rolled Al 2024 alloy determined by X-ray line profile analysis, Materials Science and Engineering, (2015) 44-49
Liu, Effect of initial grain size on the recrystallization and recrystallization texture of cold-rolled AA 5182 aluminum alloy, Materials Science & Engineering A 690, (2017) 233-243
Narasimhand, K.Sushil, MishraEffect of microstructure and texture on forming behaviour of AA-6061 aluminium alloy sheet, Materials Science & Engineering, A 679 (2017) 56-65
Watkins, Amit ShyamLattice mismatch modeling of aluminum alloys, Computational Materials Science, 138 (2017) 149-159
Feng, Grain structure and dislocation density measurements in a friction-stir welded aluminum alloy using X-ray peak profile analysis, Materials Science and Engineering: A (2008) 308-313.
Online since: June 2015
Authors: Mirosław Wieczorek
It also has a mixed formulation capability to simulate deformations of almost incompressible elastoplastic materials, and quite incompressible hyperelastic materials.
The two elements were connected at the adjacent nodes of the solid concrete element, so that the two materials shared the same nodes.
Wieczorek, Narrow reinforced concrete slabs after their flexural destruction, Advanced Materials Research, Advanced Materials Research, Vol. 969, 2014
Wieczorek, Load capacity of an internal slab-column connection depending on the geometric parameters of the reinforcement, Advanced Materials Research, Vol. 969, 2014
Bangash, Concrete and concrete structures: numerical modeling and applications, Elsevier Science Publishers Ltd., London, 1989
Online since: August 2013
Authors: Yue Li, Han Xiao Xie, Gui Yuan Li
It will look for the specific methods and basic strategy about how to integrate regional architectural culture into design, and providing reference for development and planning of mountain tourism towns. 1.The culture connotation of regional architectural Culture refers to the sum of material wealth and spiritual wealth during the development process of human social history.
It is highly concentrated of art, culture, science and technology.
The color of the wood materials in building is usually intensively considered in the local of Shennongjia other than black and white.
Acknowledgments This paper is supported by the Humanities and Social Science planning fund project of Ministry: Research on Ecological Security Pattern and Landscape Feature of Mountain Town Background of Urbanization(12YJA760029); Human Settlements Research Center of China Three Gorges University; Moutainous Town Construction and Development of Western Hubei Province—Synergy Innovation Center ,CTGU References [1] Yinyuan, Li Xiaoqin: Tropical Geography, 2012(06), p. 676-682 [2] Dai Zhihong, Yang Yuzhen, in: Regional architectural culture of Southwest China, edited by Hubei Education Press, p. 11-14, 62-65,118-119,141-145 [3] Sun Huiling: World Architecture, 2012(06), p. 123-125 [4] Xu Juan, Liu Jiaping, Huo Xiaoping: Hua Zhong Architecture, 2011(08), p. 124-126 [5] Zeng Xi, Huang Yuyan: Hotel Modernization, 2008(08), p. 54-58 [6] Wang Hao, Cai Yilong, Liu Zhiping, Liu Minhua, Le Min: Journal of Architecture, 2007(05), p. 80-83 [7] Hong Yan, Xu Lei: Hua Zhong Architecture
, 2007(02), p. 64-66 [8] Mao Huasong, Zhang Xingguo: Journal of Mountain, 2006(10), Volume 24, sixth, p. 739-743 [9] Wang Hai, Yin Detao, Lin Lin: Journal of Shenyang Normal University (Social Science Edition), 2006(05), p. 90-92 [10] Li Changxin: Architecture Decoration, 2005(05), p. 28-30 [11] Hao Shaobo: Journal of Wuhan City Construction College, 1999(01), p. 28-32
Online since: September 2013
Authors: Li Ping Lei
Empirical Study on Emergency Inter-organizational Information Communication Barriers for Expressway Emergency Li Ping Lei 555 Longyuan Road, Institute of Sciences of East China University of Political Science and Law, China Q1L2L3P4@163.com Keywords: Expressway emergency;Emergency information;Communication network Abstract.
At the same time, we also search the press release, the summary report and case analysis of materials on 12.5 events from the government portal website of Hubei Province and Xiaogan City and Jing-Zhu Expressway Management Department.
Quarantelli: Journal of Management Studies Vol. 25 (1988), p.373 [4] N.
Comfort: International Journal of Emergency Management Vol. 2 (2004), p.62 [7] E.
Dodson: Journal of Comparative Neurology and Psychology Vol. 18 (1908), p. 459
Online since: November 2013
Authors: Yu Bai, Kai Yang, Shuang Hu Hu, Jian Cheng Yang, Qing Zhang, Hua Qing Wang, Jian Feng Qin, Xiu Ming Jiang
Introductions Carbon fiber has not only the natural intrinsic characteristics of carbon materials, but also the soft and machinability of textile fiber.It is a new generation of reinforcing fiber.Carbon fiber is one the new key materials of dual-use,which has an important strategic position in national economy[1].Carbon fiber 3D fabric is carbon/carbon composite material made up of warp/weft interweave carbon fiber three-dimensional fabric,composited by CVD.It is very suitable for manufacturing high thermal structure function material[2].
The research on preparation technology of carbon fiber composite materials with independent intellectual property rights in our country , focuses on the carbon fiber multilayer horn fabric weaving process, structure and performance of 3d fabric.The study is of great strategic significance to improve the backward status of the domestic carbon fiber three-dimensional woven technology, realize the automation of production of carbon fiber and its composite material skeleton, mechanization and mass production.
Ackonwledgements This research has been supported by the Key Projects of the National Science & Technology during the Twelfth Five-year Plan Period (2011BAF08B02).Bai Yu also thanks the Advanced Mechatronics Equipment Technology Tianjin Area Major Laboratory.
Application progress of carbon fiber composite materials [J].
Journal of new materials and applications, 2011, (5) : 76-78
Online since: July 2015
Authors: C.C. Ni
Introduction Fatigue of engineering materials has been studied for over 160 years.
Erdogan: A Critical Analysis of Propagation Laws, Journal of Basic Engineering, Transactions of ASME, Vol. 85, (1963), pp. 528-534
Elber: The Stress Ratio Effect on Fatigue Crack Closure, Damage Tolerance of Aircraft Structures, ASTM STP 486, American Society for Testing and Materials, Philadelphia (1971)
Ni: Formulation of a Polynomial Stochastic Fatigue Crack Growth Model, Advanced Materials Research, Vol. 909 (2014), pp. 467-471
[6] ASTM E647-91: Standard Test Method for Measurement of Fatigue Crack Growth Rates, American Society for Testing and Materials, Vol.03.01 (1991), pp. 679-706.