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Online since: August 2008
Authors: Muh Ron Wang, Tien Chu Lin, Che Jui Yang, Jian Duen Huang, Ming Shen Sheu
Liang [5] found that superfine metal powder can facilitate sintering materials up to 95% of the true density of a material with 3~8 µm surface roughness.
The method has received considerable attention as it produces near-net-shape materials with uniform, rapidly solidified microstructure.
The grain size in most materials is less than 10µm, but sometimes reaches 20µm.
Metallurgy Industies Federation, ISBN 957-584-368-1(1994) [5] Liang, X., Earthman, J.C. and Lavernia, E.J., Acta Metal Mater., Vol.40, No.11 (1992), pp.3003-3016 [6] Zhou, Y., McDonell, V.G., Samuelsen, G.S., Kozarek, R.L., and Lavernia, E.J., Materials Science and Technology, Vol.15, No.2 (1999), pp.226-234 [7] Anderson, I.E., and Terpstra, R.L., Material Science and Engineering, A326 (2002), pp.101-109 [8] Ting, J., Peretti, M.W. and Eisen, W.B., Materials Science and Engineering, A326 (2002), pp.110-121 [9] Mates, S.P. and Settles, G.S., 1996 World Congress on Powder Metallurgy and Particulate Materials, Washington DC, June 16-21(1996) [10] Wang, M.R., Sheu M.S. and.
Vol.100(1972), pp.185-190 [15] Lavernia, E.J., and Wu, Y., Spray atomization and Deposition, John Wiley & Sons, 1996. [16] Newbery, A.P., Rayment, T. and Grant, P.S., Materials Science and Engeering A 383, 137-145, (2004) [17] Wang, M.R., Chen, P.J., Yang, C.R., Chiu, J.S., Lin, T.C. and Lai, T.S., Materials Science Forum, Vols.505~507 (2006), pp.1237-1242 Evaporator Flowmeter Pressure regulator Heating System RT-Sizer Evaporator Flowmeter Pressure regulator Heating System RT-Sizer Fig. 2 Schematic of the experimental setup Disk-Type Ring-Type Fig. 3 Geometry of substrates Nitrogen Nitrogen Substrate Molten Metal Atomization Process Impingement Process Nitrogen Nitrogen Substrate Molten Metal Atomization Process Impingement Process Fig.1 Schematic of the impingement
Online since: August 2012
Authors: Cristiane M. Furtado, Pascally M.A. Guerra de Araújo, Patrícia T.A. dos Santos, Ana Cristina F. de M. Costa
For the NPLs are used for a biosensor, it is necessary its functionalization with organic materials, thus forming an organic-inorganic hybrid material.
The functionalization provides optimal conditions for appointment in biological materials and allows monitoring of nanoparticles through luminescence [7].
This mass loss may be associated with loss of water physically adsorbed on the surfaces of materials and adsorbed gases.
Journal Vol. 40 (2008), p. 408
Science and Engin.
Online since: August 2013
Authors: Ye Yang, Jing Yi Tian, Jian Xiang Sun
So the whole structure full of material can be represented by variable thickness shell.
Project 2 is with material at the root.
Aerospace Science and Technology, 2006, 10: 364-373
Material interpolation schemes in topology optimization[J].
International Journal of Advanced Manufacturing Technology, 2006, 27(5-6): 531-536
Online since: March 2014
Authors: Anna Maslovskaya, Anton V. Sivunov
Introduction Nowadays scanning electron microscopy (SEM) techniques are widely used as methods of analysis and treatment of different advanced materials.
The application of raster electron techniques to polar materials allows creating new modes of image formation, studying and modifying electric properties of samples [1-4].
This is due to a wide spectrum of effects observed in ferroelectric materials exposed to electron beam, such as high sensitivity of polar dielectric to electrical and thermal actions of an electron probe.
Acknowledgements The work was partially supported by a scientific program of the Ministry of Education and Science of Russia (Grant No.11.7127.2013).
Bausá, Effect of electron beam writing parameters for ferroelectric domain structuring LiNbO3:Nd3+, Optical Materials. 31 (2009) 1777–1780
Online since: January 2010
Authors: Yi Xu, Bin Shi Xu, Fei Gao, Bao Sen Zhang
For the past few years, micro-nano mineral powders developed by Russian researchers were a kind of composite lubricating additive [4,5], The composite additive mainly consists of hydroxyl magnesium silicate (chemical formula is Mg6Si4O10(OH)8 ) and other subsidiary materials.
Experimental 2.1 Materials Hydrothermal synthesis of hydroxyl magnesium silicate was based on the following equation (1) under conditions of high temperature and high pressure.
The uniform sizes of nano-particles or nano-rods shown in Figure 4 could be due to fast growth speed of nano-materials and different local concentration of molecule units in the process of hydrothermal synthesis of hydroxyl magnesium silicate.
High surface energy and the weak electrostatic interactions of hydrogen bond on surface of nano-materials caused two or more nano-particles and nano-fibres to exist as larger-size aggregates or associated nano-particles (marked 4 in Figure 6, as shown in Figure 4).
Ma, H: Journal of Materials Chemistry Vol. 17(2007), P. 415 [11] R.L.
Online since: January 2012
Authors: Yong Jun Zhang
Genetic algorithm, particle swarm algorithm such as rise intelligence algorithm have unique advantages in multiple objective optimization areas, using the algorithm, based on architectural construction, materials, environment, climate, usage and features and other aspects of the overall optimization, can quickly and effectively realize the comprehensive effect of building energy efficiency optimization goal.
Building energy efficiency involves construction planning, single building design energy saving, building operation skills, decorative building energy-saving, energy-saving building materials and application, construction equipment energy-saving and new energy and other fields and content.
But the main goal of research is put in the architectural design, building materials and construction the optimization of power system, no human studies the whole building energy research, although Wu Zhou [1] et al.
Intelligent Algorithms In Building Energy Conservation Building energy saving is a practical science and engineering technology, from the city and district planning, the heating system design, building design and construction, the development and construction of housing, property management and operation, from a regional building energy management to implement the residents consciousness energy-saving behavior, it is the indispensable important link.
Journal of Computer Research and Development,2007(11):pp1825-1831 [12] Long Shuo.
Online since: October 2010
Authors: Volker Wesling, Mirjam Kessler, Antonia Schram
These materials pass through a complex manufacturing process to get their locally defined properties.
Darling: Brazing: An important joining option, Welding Journal 88 (2009), 4, pp. 41-43 [3] A.H.
Laukant, et al.: Laser brazing of high strength steels, ICALEO, Laser Materials Processing Conference, 26 (2007), pp. 570-576 [4] A.R.
Schroth, et al.: Copper brazing response of some advanced high strength steel grades, Journal of Materials Processing Technology, 09 (2009), 1, pp. 70-76 [6] W.
Hadianfard: Low cycle fatigue behaviour and failure mechanism of a dual-phase steel, Materials Science and Engineering, A 499 (2009), 1-2, pp. 493-499 [14] S.
Online since: August 2011
Authors: Fan Yu Kong, Guo Jian Hu, Xu Li
In addition, some materials demonstrate the sensitivity of the SCC only when the crack and the kind of crack flaw existence.
Advances in corrosion science and technology[M].
Standard materials requirements-sulfide stress cracking resistance metallic materials for oilfield equipment[S].
Chinese Journal of Mechanical Engineering,2007 (9):117-122 [7] BUCHHEIM G M.
Corrosion Science, 2002, 44: 1311-1327.
Online since: May 2014
Authors: Rodrigo Santiago Coelho, E.P. Silva, Larissa Fernandes Batista, Bruna Callegari, Victor Ferrinho Pereira, Ricardo Henrique Buzolin, Fernando Gustavo Warchomicka, Guillermo C. Requena, Haroldo Pinto, Antonio José Ramirez
Being a solid state process, FSW overcome problems related to the fusion of materials, in particular the solidification-associated porosity and cracking.
Experimental Details Materials.
The Rima Group is kindly acknowledged for providing the raw materials for casting the Mg alloy.
Journal, 90, 95-101
/Materials Research and Advanced Techniques 94 (8), 908-915
Online since: June 2014
Authors: Wen Quan Cao, Jun Hu, Jie Shi, Han Dong
College of Materials Science and Engineering,Huazhong University of Science and Technology, Wuhan Hubei, 430074,China 2.
In light of the high ductility contributed from metastable austenite in TRIP steel and stable austenite in TWIP steel [7-9], together with the high strength from grain refinement by severe plastic-deformed materials [10], increasing the volume fraction of retained austenite and refining the grain size into the submicron region in high-strength low-alloyed steel is a promising approach to design a new type of steel with both ultrahigh strength and high ductility [11].
The vacuum melted material was first made as a hot rolled strip with a thickness of 4 mm through the conventional hot rolling process.
Acknowledgements This research is supported by the National Natural Science Foundation of China (no. 51371057) and National Basic Research Program of China (973 Program, no. 2010CB630803).
[14] Arif Basuki, Etienne Aernoudt, Influence of rolling of TRIP steel in the intercritical region on the stability of retained austenite, Journal of Materials Processing Technology. 89-90(1999)37-43