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Online since: June 2011
Authors: Guo Quan Liu, Xi Zhong An, Chao Li
Atomic and electronic scale simulation on low index face growth of nano CVD diamond films
Xizhong An1, a, Guoquan Liu2,b and Chao Li1,c
1School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China
2School of Materials Science and Engineering, University of Science and Technology Beijing,
Beijing 100083, China
3School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China
aanxz@mail.neu.edu.cn, bg.liu@ustb.edu.cn, clichao_lc911@163.com
Keywords: CVD diamond; Nano films; KMC simulation; LDA computation; Growth mechanism; Atomic scale; Electronic scale
Abstract.
The deposition process for CVD diamond film mainly depends on the combination of gas phase chemistry in the reactor and surface adsorption mechanism on the substrate, which can be regarded as the key to determine the film quality [4].
The key points are how these species are generated, what events occurred, which species contribute to the film growth, and how they are destroyed, all of which needs a thorough understanding on the surface reaction dynamics [30, 31].
The deposition process for CVD diamond film mainly depends on the combination of gas phase chemistry in the reactor and surface adsorption mechanism on the substrate, which can be regarded as the key to determine the film quality [4].
The key points are how these species are generated, what events occurred, which species contribute to the film growth, and how they are destroyed, all of which needs a thorough understanding on the surface reaction dynamics [30, 31].
Online since: June 2011
Authors: Francisco Carlos Robles Hernandez, I. Hernández-Pérez, Leonardo González-Reyes
Hernández-Pérez2*
1University of Houston, Engineering Technology, Houston, TX 77004 USA
2Universidad Autónoma Metropolitana-A, Departamento de Ciencias Básicas, Av.
México 2*lgr@correo.azc.uam.mx, 2* ihp@correo.azc.uam.mx Key words: anatase, characterization, catalysis, coarsening, spectroscopy, grain growth Abstract.
In addition, sonochemical treatment has been reported as a successful methodology to produce nanostructured materials [20-22].
Experimental Synthesis and Materials A mixture of 150 ml of titanium (IV) tetraisopropoxide ([(CH3)2CHO]4Ti) of commercial grade (97 wt% pure), acetone (30 mL) and methanol (30 mL) are subjected to sonochemical treatment.
TiO2 accessory minerals: coarsening, and transformation kinetics in pure and doped synthetic nanocrystalline materials.
México 2*lgr@correo.azc.uam.mx, 2* ihp@correo.azc.uam.mx Key words: anatase, characterization, catalysis, coarsening, spectroscopy, grain growth Abstract.
In addition, sonochemical treatment has been reported as a successful methodology to produce nanostructured materials [20-22].
Experimental Synthesis and Materials A mixture of 150 ml of titanium (IV) tetraisopropoxide ([(CH3)2CHO]4Ti) of commercial grade (97 wt% pure), acetone (30 mL) and methanol (30 mL) are subjected to sonochemical treatment.
TiO2 accessory minerals: coarsening, and transformation kinetics in pure and doped synthetic nanocrystalline materials.
Online since: August 2020
Authors: Charmane Dawn H. Esper, Hana Astrid R. Canseco
Canseco2,b
1,2Department of Civil Engineering, University of San Carlos – Talamban Campus,
Nasipit Talamban, Cebu City, 6000, Philippines
acharmane.esper@gmail.com, bharcanseco@usc.edu.ph
Keywords: Pineapple Leaf Fiber, Alkali Treatment, Fiber-Reinforced Composites, ANOVA
Abstract.
Acknowledgments The authors would like to thank the University of San Carlos and Department of Science and Technology - Science Education Institute (DOST-SEI) through the Engineering Research and Development for Technology (ERDT) Program for financial support and assistance to complete this work.
Her undergraduate thesis focused on materials engineering.
Fiber/Polymer Composite by Double Shear Test Method,” Materials (Basel)., vol. 12, no. 14, p. 2225, 2019
Phongtamrug, “Effects of alkali treatment and fiber content on the properties of bagasse fiber-reinforced epoxy composites,” Key Eng.
Acknowledgments The authors would like to thank the University of San Carlos and Department of Science and Technology - Science Education Institute (DOST-SEI) through the Engineering Research and Development for Technology (ERDT) Program for financial support and assistance to complete this work.
Her undergraduate thesis focused on materials engineering.
Fiber/Polymer Composite by Double Shear Test Method,” Materials (Basel)., vol. 12, no. 14, p. 2225, 2019
Phongtamrug, “Effects of alkali treatment and fiber content on the properties of bagasse fiber-reinforced epoxy composites,” Key Eng.
Online since: July 2014
Authors: Noor A. Ahmed, Razeen F. Ahmed, Yenas Yendrew
Ahmed3
1Environmental Engineering, University of New South Wales Australia, NSW2052
2,3Aerospace Engineering, University of New South Wales Australia, NSW2052
b corresponding author; email: n.ahmed@unsw.edu.au
Key words: anechoic chamber, aero-acoustics, wind tunnel
Abstract: The design, manufacture and installation of a practical and cost-effective anechoic chamber for aero-acoustic measurements are presented in this paper.
References [1]Ahmed, N.A., “Engineering solutions towards cost effective sustainable environment and living,”Journal of Energy and Power Engineering, Vol. 6, No. 2, 2012, pp. 155-167
A., ‘Parametric Study of Dynamic Stall Flow Field with Synthetic Jet Actuation,’ J Fluids Engineering, Transactions of the ASME, Vol. 134, Issue 7, 2012
A., ‘Numerical Investigation of Four Orifice Synthetic Jet Actuators’, International Review of Aerospace Engineering, Vol. 4, No. 5, 2011, pp. 217-223
Part G, Journal of Aerospace Engineering, Vol. 205, 1991, pp. 1-12
References [1]Ahmed, N.A., “Engineering solutions towards cost effective sustainable environment and living,”Journal of Energy and Power Engineering, Vol. 6, No. 2, 2012, pp. 155-167
A., ‘Parametric Study of Dynamic Stall Flow Field with Synthetic Jet Actuation,’ J Fluids Engineering, Transactions of the ASME, Vol. 134, Issue 7, 2012
A., ‘Numerical Investigation of Four Orifice Synthetic Jet Actuators’, International Review of Aerospace Engineering, Vol. 4, No. 5, 2011, pp. 217-223
Part G, Journal of Aerospace Engineering, Vol. 205, 1991, pp. 1-12
Online since: April 2022
Authors: Angelo Savio Calabrese, Marco Andrea Pisani, Tommaso D'Antino, Carlo Poggi
Design of FRCM Strengthened Masonry Walls Subjected to Out-of-Plane Loading According to CNR-DT 215: Discussion of the a Coefficient
Tommaso D’Antino1,a*, Angelo Savio Calabrese1,b, Marco Andrea Pisani1,c and Carlo Poggi1,d
1Department of Architecture, Built Environment and Construction Engineering, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
atommaso.dantino@polimi.it, bangelosavio.calabrese@polimi.it, cmarcoandrea.pisani@polimi.it, dcarlo.poggi@polimi.it
Keywords: FRCM, TRM, design procedure, bending, masonry.
Quagliarini, TRM reinforced tuff and fired clay brick masonry: Experimental and analytical investigation on their in-plane and out-of-plane behavior, Construction and Building Materials. 272 (2021) 121643. https://doi.org/10.1016/j.conbuildmat.2020.121643
Panizza, Out-of-plane behaviour of infill masonry panels strengthened with composite materials, (2014) 2131–2145
Mazzotti, Out-of-Plane Strengthening of Masonry Walls with FRCM Composite Materials, Key Eng Mater. 747 (2017) 158–165. https://doi.org/10.4028/www.scientific.net/KEM.747.158
Carloni, Relationship between the effective strain of PBO FRCM-strengthened RC beams and the debonding strain of direct shear tests, Engineering structures. 216 (2020). https://doi.org/10.1016/j.engstruct.2020.110631
Quagliarini, TRM reinforced tuff and fired clay brick masonry: Experimental and analytical investigation on their in-plane and out-of-plane behavior, Construction and Building Materials. 272 (2021) 121643. https://doi.org/10.1016/j.conbuildmat.2020.121643
Panizza, Out-of-plane behaviour of infill masonry panels strengthened with composite materials, (2014) 2131–2145
Mazzotti, Out-of-Plane Strengthening of Masonry Walls with FRCM Composite Materials, Key Eng Mater. 747 (2017) 158–165. https://doi.org/10.4028/www.scientific.net/KEM.747.158
Carloni, Relationship between the effective strain of PBO FRCM-strengthened RC beams and the debonding strain of direct shear tests, Engineering structures. 216 (2020). https://doi.org/10.1016/j.engstruct.2020.110631
Online since: June 2021
Authors: Jian Jun Fan, Sheng Zhong Kou, Rui Xian Ding, Ye Jiang
Materials Science & Engineering A, 2004, 375-377(1): 936-941
Materials Science and Engineering: A, 2017, 704:147-153
Materials ence and Engineering A, 2017, 704(sep.17): 147-153
Materials and Design, 2014, 58: 284-289
Advanced Engineering Materials, 2010, 9(6): 468-474
Materials Science and Engineering: A, 2017, 704:147-153
Materials ence and Engineering A, 2017, 704(sep.17): 147-153
Materials and Design, 2014, 58: 284-289
Advanced Engineering Materials, 2010, 9(6): 468-474
Online since: March 2025
Authors: Stefan Gulizia, Saden H. Zahiri, Christian Doblin, Ali Yousefiani, Muhammad Faizan-ur-Rab, Alejandro Vargas-Uscategui, Bruno Zamorano
Mahmoudi, Numerical investigation of dual-stage high velocity oxy-fuel (HVOF) thermal spray process: A study on nozzle geometrical parameters, Applied Thermal Engineering 111 (2017) 745-58
Zheglova, Ansys CFX Study of Aerodynamic Characteristics during Blade Profile Rotation, International Journal for Computational Civil and Structural Engineering 17 (2021) 153-60
Neely, Aeromechanical Modeling of Rotating Fan Blades to Investigate High-Cycle and Low-Cycle Fatigue Interaction, Journal of Engineering for Gas Turbines and Power 137 (2015) 052505
Zhou, Microstructure control and properties of cold-sprayed titanium and its alloy coatings, Materials Science and Technology 37 (2021) 121-43
Ghasemi, High-temperature flow characterization and microstructural evolution of Ti6242 alloy: Yield drop phenomenon, Materials Science and Engineering: A 673 (2016) 346-54.
Zheglova, Ansys CFX Study of Aerodynamic Characteristics during Blade Profile Rotation, International Journal for Computational Civil and Structural Engineering 17 (2021) 153-60
Neely, Aeromechanical Modeling of Rotating Fan Blades to Investigate High-Cycle and Low-Cycle Fatigue Interaction, Journal of Engineering for Gas Turbines and Power 137 (2015) 052505
Zhou, Microstructure control and properties of cold-sprayed titanium and its alloy coatings, Materials Science and Technology 37 (2021) 121-43
Ghasemi, High-temperature flow characterization and microstructural evolution of Ti6242 alloy: Yield drop phenomenon, Materials Science and Engineering: A 673 (2016) 346-54.
Online since: June 2011
Authors: Arash Montazeri, Alireza Khavandi, Jafar Javadpour, Abbas Tcharkhtchi
An investigation on the effect of sonication time and dispersing medium on the Mechanical properties of MWCNT/epoxy nanocomposites
Arash Montazeri 1,a, Alireza Khavandi2,a , Jafar Javadpour3,a,
Abbas Tcharkhtchi4, b
a School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Narmak, 16844 Tehran, Iran
b Laboratoire d’ingénierie des matériaux, ENSAM-Paris, 151 bd de L’Hôpital, Paris, France
1A_Montazeri@iust.ac.ir, 2Khavandi@iust.ac.ir, 3Javadpour@iust.ac.ir,4 Abbas Tcharkhtchi@paris.ensam.fr
Key Words: Nanocomposite, Multi-wall Carbon Nanotube, Sonication time, Dispersion, Mechanical Properties.
Carbon nanotubes have excellent mechanical and electrical properties, and are also a good reinforcing material for composite materials.
MWCNT have unique atomic structure, very high aspect ratio, and extraordinary mechanical properties, making them ideal reinforcing materials in nanocomposites [4].
Materials The multi-walled carbon nanotube (MWCNT) used in this study was supplied by Research Institute of Petroleum Industry (RIPI).
To emphasize the fact that MWCNT can act as reinforcing materials in composite samples, we calculated the Young modulus of CNT/epoxy composite, by using the Halpin Tsai equation.
Carbon nanotubes have excellent mechanical and electrical properties, and are also a good reinforcing material for composite materials.
MWCNT have unique atomic structure, very high aspect ratio, and extraordinary mechanical properties, making them ideal reinforcing materials in nanocomposites [4].
Materials The multi-walled carbon nanotube (MWCNT) used in this study was supplied by Research Institute of Petroleum Industry (RIPI).
To emphasize the fact that MWCNT can act as reinforcing materials in composite samples, we calculated the Young modulus of CNT/epoxy composite, by using the Halpin Tsai equation.
Online since: December 2013
Authors: You Heng Huang, Zhe Huang
Then these row materials of iron and steel scrap are sent to large further processing and distribution center or specialized scrap subsidiary that belongs to steel company, thus pooling most of the iron and steel scrap before they are reused.
Purified by sorting and cleaning, steel scrap are reprocessed into various reusable row steel materials based on requirements of steel company and directly distributed to blast furnaces.
Its a key point to choose a right push-pull boundary of iron and steel supply chain.
The only thing that can reflect differentiation is that, as resource of steel manufacturing process materials, the after-processing iron and steel scrap must be distributed according to special proportion and steel plant requirement.
References [1] Shaowen Sun, Chao Tan: Logistics Engineering & Management September 2010, p. 103-105, (in Chinese)
Purified by sorting and cleaning, steel scrap are reprocessed into various reusable row steel materials based on requirements of steel company and directly distributed to blast furnaces.
Its a key point to choose a right push-pull boundary of iron and steel supply chain.
The only thing that can reflect differentiation is that, as resource of steel manufacturing process materials, the after-processing iron and steel scrap must be distributed according to special proportion and steel plant requirement.
References [1] Shaowen Sun, Chao Tan: Logistics Engineering & Management September 2010, p. 103-105, (in Chinese)
Online since: January 2012
Authors: Yan Ding, Jin Liu, Zhen Li
Melamine Aminated Primary Alcohols Using Potassium Hydroxide/ Activated Carbon Catalysts
Zhen Li1, a*, Yan Ding1 , Jin Liu1,b
1 Anhui Key Laboratory of Advanced Building Materials, School of Materials Science and Chemical Engineering, Anhui University of Architecture, Hefei, P.
Aliphatic amine and its derivatives, as principal raw materials of organic chemicals and important organic intermediates, have found many applications, such as in the petrochemical industry, and the production of pesticide, pharmaceuticals, dyestuff and surfactants, etc.
Solid bases loaded on porous material can increase the surface area of catalyst and decrease the internal diffusion resistance of molecules.
Materials.
Vol.57( 2000), p.17 [6] Brunel D: Microporous and Mesoporous Materials.
Aliphatic amine and its derivatives, as principal raw materials of organic chemicals and important organic intermediates, have found many applications, such as in the petrochemical industry, and the production of pesticide, pharmaceuticals, dyestuff and surfactants, etc.
Solid bases loaded on porous material can increase the surface area of catalyst and decrease the internal diffusion resistance of molecules.
Materials.
Vol.57( 2000), p.17 [6] Brunel D: Microporous and Mesoporous Materials.