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Online since: May 2012
Authors: Fatini Sidek, Anis Nurashikin Nordin, Raihan Othman
MEMS technology is an approach to fabricate that uses the materials and processes of microelectronics fabrication to form integrated mechanical microstructures.
These materials are used as structural and sacrificial layers, sensing elements and for interconnection in sensors or actuators.
In MEMS technology, most of piezoelectric thin films are polycrystalline materials.
Özgür, Zinc oxide: Fundamentals, materials and device technology: Vch Verlagsgesellschaft Mbh, 2009
Bassiri-Gharb, "Piezoelectric MEMS: Materials and Devices," Piezoelectric and Acoustic Materials for Transducer Applications, 2008
These materials are used as structural and sacrificial layers, sensing elements and for interconnection in sensors or actuators.
In MEMS technology, most of piezoelectric thin films are polycrystalline materials.
Özgür, Zinc oxide: Fundamentals, materials and device technology: Vch Verlagsgesellschaft Mbh, 2009
Bassiri-Gharb, "Piezoelectric MEMS: Materials and Devices," Piezoelectric and Acoustic Materials for Transducer Applications, 2008
Online since: February 2011
Authors: Yang Lu, Hong Feng Dong, Wen Sheng Li
Karagöz: Materials and Design 28 (2007), p. 1055-1058
Luo, Journal of Matrials Science 28 (1993), p.1245-1251
Tsuduki: International Journal of Refractory Metals and Hard Materials 25 (2007), p. 237–243 [5] A.P.
Bobrovnitchii: Materials and Design 31 (2010), p. 522–526 [6] Peiyun Huang, in: Powder Metallurgy Technology, edtied by Peiyun Huang Publications/ Metallurgical industry press Publising, China, (2004)
China. (1998), p. 84-87 [9] Yuchao Sun, in: Diamond tools and fundamentals of metallurgy, edtied by Yuchao Sun Publications/ Building Materials Press Publising, China, (1998).
Luo, Journal of Matrials Science 28 (1993), p.1245-1251
Tsuduki: International Journal of Refractory Metals and Hard Materials 25 (2007), p. 237–243 [5] A.P.
Bobrovnitchii: Materials and Design 31 (2010), p. 522–526 [6] Peiyun Huang, in: Powder Metallurgy Technology, edtied by Peiyun Huang Publications/ Metallurgical industry press Publising, China, (2004)
China. (1998), p. 84-87 [9] Yuchao Sun, in: Diamond tools and fundamentals of metallurgy, edtied by Yuchao Sun Publications/ Building Materials Press Publising, China, (1998).
Online since: May 2013
Authors: Fang He, Fang Chen, Wei Tian, Qiao Yu Yin
Because using this technology, the process of engineering design and research can be recorded in video files as saved materials to improve further work.
Fig. 1 Steps of making interactive software by software of capturing screen Prepare Materials.
Materials include all the things which are helpful to the finally work.
Organize materials.
During capturing screen, all the organized files are opened, and materials are presented on computer screen.
Fig. 1 Steps of making interactive software by software of capturing screen Prepare Materials.
Materials include all the things which are helpful to the finally work.
Organize materials.
During capturing screen, all the organized files are opened, and materials are presented on computer screen.
Online since: April 2014
Authors: Vladimir G. Shavrov, Irina S. Tereshina, Alexander P. Kamantsev, Victor V. Koledov
Magnetic refrigeration is based on magnetic materials with the magnetocaloric effect (MCE).
MCE is a phenomenon demonstrated by some magnetic materials, when heating and cooling results from the application and removal of magnetic field.
However, even for classical magnetic materials near the Curie point, the Landau-Khalatnikov equation has not yet been tested.
Thus, the problem of magnetization relaxation near the phase transition in magnetic materials has a significant fundamental and practical importance.
Tishin, Journal of Magnetism and Magnetic Materials 321, (2009) L1
MCE is a phenomenon demonstrated by some magnetic materials, when heating and cooling results from the application and removal of magnetic field.
However, even for classical magnetic materials near the Curie point, the Landau-Khalatnikov equation has not yet been tested.
Thus, the problem of magnetization relaxation near the phase transition in magnetic materials has a significant fundamental and practical importance.
Tishin, Journal of Magnetism and Magnetic Materials 321, (2009) L1
Online since: April 2013
Authors: Chin Yee Sing, Hussain Hamoud Al-Kayiem, Mohd Shiraz Aris
The briquetting process started with raw materials drying, then pulverizing of raw materials and powder in the range of 63 μm – 500 μm would be accepted for the following step of powder compaction.
The values for coal in ASTM E1131-98 Standard Test Method for Computational Analysis by Thermogravimetry were adhered to in proximate analysis for all the briquette materials in this study.
(a) (b) Fig. 1(a): 60S:40F(p) briquette and (b): Bio-briquette Fig. 2: Combustion chamber for burning of fuel briquettes Results and Discussions Calorific values, proximate and ultimate analyses of 60S:40F (p) briquette and bio-briquette The coal used as raw materials for bio-briquette had average calorific value of 23.03 kJ/g.
Williams, “Devolatilisation Characteristics of Coal and Biomass Blends”, Journal of Analytical and Applied Pyrolysis, 74, pp. 502-511 (2005)
Zainal, “Oil Palm Biomass as Potential Substitution Raw Materials for Commercial Biomass Briquettes Production”, American Journal of Applied Sciences, 5(3), pp. 179-183 (2008).
The values for coal in ASTM E1131-98 Standard Test Method for Computational Analysis by Thermogravimetry were adhered to in proximate analysis for all the briquette materials in this study.
(a) (b) Fig. 1(a): 60S:40F(p) briquette and (b): Bio-briquette Fig. 2: Combustion chamber for burning of fuel briquettes Results and Discussions Calorific values, proximate and ultimate analyses of 60S:40F (p) briquette and bio-briquette The coal used as raw materials for bio-briquette had average calorific value of 23.03 kJ/g.
Williams, “Devolatilisation Characteristics of Coal and Biomass Blends”, Journal of Analytical and Applied Pyrolysis, 74, pp. 502-511 (2005)
Zainal, “Oil Palm Biomass as Potential Substitution Raw Materials for Commercial Biomass Briquettes Production”, American Journal of Applied Sciences, 5(3), pp. 179-183 (2008).
Online since: February 2022
Authors: Sergey S. Kugaevskii, Eugenius N. Pizhenkov, Vladimir M. Podgorbunskikh
The effect is also observed when processing soft materials prone to sticking to the cutting surface of the cutter.
Secondly, for SLM technologies, there are practically no restrictions in obtaining complex shapes of products, which are often impossible by traditional methods of mechanical processing of materials.
Materials Forming, Machining and Tribology.
Pizhenkov, The effectiveness of additive SLM-technologies in the manufacture of cutting tools, Materials Today: Proceedings.
Roshchin, Using of SLM 3D printing technology in the manufacture of High-performance drilling heads, Polish Science Journal №9 (2018), p. 63-66
Secondly, for SLM technologies, there are practically no restrictions in obtaining complex shapes of products, which are often impossible by traditional methods of mechanical processing of materials.
Materials Forming, Machining and Tribology.
Pizhenkov, The effectiveness of additive SLM-technologies in the manufacture of cutting tools, Materials Today: Proceedings.
Roshchin, Using of SLM 3D printing technology in the manufacture of High-performance drilling heads, Polish Science Journal №9 (2018), p. 63-66
Online since: October 2011
Authors: Qian Jin Wang, Wen Zhong Qu, Li Xiao
Material properties for concrete are listed in Table 1.
Relevant material parameters can be found in Ref.[5] The projectile and steel reinforcement are described by the Plastic-Kinematic material model in LS-DYNA.
Material properties for steel bars and projectile are listed in Table 2.
Acknowledgements This work was financially supported by the Hubei Province Natural Science Foundation (2009CBD431) and the Fundamental Research Funds for the Central Universities(1082005).
International Journal of Impact Engineering 28 (2003),p 413-464 [3] Ma A E, Huang F L, Chu Z, Li J Z.
Relevant material parameters can be found in Ref.[5] The projectile and steel reinforcement are described by the Plastic-Kinematic material model in LS-DYNA.
Material properties for steel bars and projectile are listed in Table 2.
Acknowledgements This work was financially supported by the Hubei Province Natural Science Foundation (2009CBD431) and the Fundamental Research Funds for the Central Universities(1082005).
International Journal of Impact Engineering 28 (2003),p 413-464 [3] Ma A E, Huang F L, Chu Z, Li J Z.
Online since: November 2016
Authors: Paweena Prapainainar, Worawat Jansomboon, Khatawut Boonmaloet, Suradet Sukaros
Rice Hull Micro and Nanosilica: Synthesis and Characterization
Worawat Jansomboon1, a, Khatawut Boonmaloet1,b, Suradet Sukaros1,c
and Paweena Prapainainar1,2,d*
1National Center of Excellence for Petroleum, Petrochemicals and Advance Material, Department of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
2Department of Chemistry and NANOTEC Center for Nanoscale Materials Design for Green Nanotechnology, Kasetsart University, Bangkok 10900, Thailand
aLiver_wat11@hotmail.com, bkhatawut_ku@hotmil.com, csuradetbankksc@gmail.com, dfengpwn@ku.ac.th
* Corresponding author.
Rice hull is a by-product natural material composing of high amount of silica.
Acknowledgements The authors gratefully acknowledge financial support from the National Center of Excellence for Petroleum, Petrochemicals, and Advanced Materials, Faculty of Engineering, Kasetsart University Research Development Institute (KURDI), the Center for Advanced Studied in Nanotechnology for Chemical, Food and Agricultural Industries, Kasetsart University.
MRG5980252) and the Thailand Graduate Institute of Science and Technology (TGIST) (Grant No.
Sivakumar, Extraction, synthesis and characterization of nanosilica from rice husk ash, International Journal of Nanotechnology & Applications. 4 (2010) 61-66
Rice hull is a by-product natural material composing of high amount of silica.
Acknowledgements The authors gratefully acknowledge financial support from the National Center of Excellence for Petroleum, Petrochemicals, and Advanced Materials, Faculty of Engineering, Kasetsart University Research Development Institute (KURDI), the Center for Advanced Studied in Nanotechnology for Chemical, Food and Agricultural Industries, Kasetsart University.
MRG5980252) and the Thailand Graduate Institute of Science and Technology (TGIST) (Grant No.
Sivakumar, Extraction, synthesis and characterization of nanosilica from rice husk ash, International Journal of Nanotechnology & Applications. 4 (2010) 61-66
Online since: September 2011
Authors: Yan Shu Zhang, Xiao Fei Liu
Constant strain rate flow curves have been analyzed in order to develop a constitutive model to describe the high temperature behavior of the materials using the standard kinetic rate equation that relates the steady state flow stress
(σ) To the test temperature (T) and the strain rate (ε ) given by [4]:
(1)
Where σ is the flow stress, n is the stress exponent, Q is the activation energy, and A is a constant.
In the pre-process of DEFORM2D, the stress-strain curves in Fig. 1 were inputted as the material properties of GH4169.
Journal of Iron and Steel Research, International, Volume 17, Issue 7, July 2010, Pages 75-78 [2] Liu Fencheng, Lin Xin, Zhao Weiwei, Zhao Xiaoming, Chen Jing, Huang Weidong.
Rare Metal Materials and Engineering, Volume 39, Issue 9, September 2010, Pages 1519-1524
Materials Science and Engineering: A, Volume 528, Issues 7-8, 25 March 2011, Pages 3218-3227 [4] Jonas JJ, Sellars C, Tegart M.
In the pre-process of DEFORM2D, the stress-strain curves in Fig. 1 were inputted as the material properties of GH4169.
Journal of Iron and Steel Research, International, Volume 17, Issue 7, July 2010, Pages 75-78 [2] Liu Fencheng, Lin Xin, Zhao Weiwei, Zhao Xiaoming, Chen Jing, Huang Weidong.
Rare Metal Materials and Engineering, Volume 39, Issue 9, September 2010, Pages 1519-1524
Materials Science and Engineering: A, Volume 528, Issues 7-8, 25 March 2011, Pages 3218-3227 [4] Jonas JJ, Sellars C, Tegart M.