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Online since: October 2010
Authors: Jing Wen, Chun Ying Zuo, Cheng Zhong
But there are some unstable factors and self-compensations in this structure.
It was found that there are some unstable factors and self-compensations for Ag doped ZnO.
The incorporation of impurities can cause significant changes in the electronic structures of doped ZnO, which may affect its geometric structures and optical or magnetic properties strongly.
These factors increase the difficulty in creating holes in ZnO and can be viewed as a kind of self-compensation.
Optical properties of ZnO codoped with Ag and F.
It was found that there are some unstable factors and self-compensations for Ag doped ZnO.
The incorporation of impurities can cause significant changes in the electronic structures of doped ZnO, which may affect its geometric structures and optical or magnetic properties strongly.
These factors increase the difficulty in creating holes in ZnO and can be viewed as a kind of self-compensation.
Optical properties of ZnO codoped with Ag and F.
Online since: September 2021
Authors: Marina A. Akulova, Baizak R. Isakulov, Berikbay B. Kul’sharov, Abikhabir B. Isakulov, Alla G. Sokolova, Yulia A. Sokolova
Investigating the creep of lightweight arbolit concretes greatly affecting the performance of bearing and envelope structures draws a special attention during the last years.
While carrying out scientific research, the following standard measuring and analysis methods of physical and mechanical properties have been used for sulfur-containing arbolit composites.
Organic filling aggregate has demonstrated lower deformation property than the mortar fraction, in spite of matching up their deformation properties.
The study of structure formation and mechanical strength properties of sulfur-containing woodcrete composites exposed to permanently acting loads.
The dependency of the lightweight concrete strength on its properties and filling aggregates.
While carrying out scientific research, the following standard measuring and analysis methods of physical and mechanical properties have been used for sulfur-containing arbolit composites.
Organic filling aggregate has demonstrated lower deformation property than the mortar fraction, in spite of matching up their deformation properties.
The study of structure formation and mechanical strength properties of sulfur-containing woodcrete composites exposed to permanently acting loads.
The dependency of the lightweight concrete strength on its properties and filling aggregates.
Online since: June 2025
Authors: Antti Järvenpää, Mikko Hietala, Ahmed Abdelghany, Timo Rautio
However,
controlling the microstructure during the WAAM process is critical, as the mechanical properties of
the final component are influenced by factors such as thermal history, cooling rates, and layer sequencing.
Variations in process parameters can result in differences in microstructure, which in turn affect properties like hardness, strength, ductility, and fatigue performance.
Several studies have investigated the mechanical properties of WAAM-produced carbon steel.
Mechanical properties.
Microstructure and mechanical properties of specimens produced using the wire-arc additive manufacturing process.
Variations in process parameters can result in differences in microstructure, which in turn affect properties like hardness, strength, ductility, and fatigue performance.
Several studies have investigated the mechanical properties of WAAM-produced carbon steel.
Mechanical properties.
Microstructure and mechanical properties of specimens produced using the wire-arc additive manufacturing process.
Online since: April 2017
Authors: Heng Rui Zhao, Guang Xu Cheng
Mechanical properties of pressure vessel steel with surface defects are measured by indentation, and corresponding finite element models are established.
Instrumented indentation method has widely used in the measurement of mechanical properties of microscale materials since the significance achievement was developed by Oliver WC and Pharr GM [4,5].
Many studies focus on the corresponding relation between shape factors of load-displacement curves and elastic-plastic properties of materials.
It was generally supposed that elastic contact stiffness S, loading curvature C and ratio of residual depth to max depth hr/hm are independent shape factors [11].
Based on the numerical model, further researches on the relation of equivalent mechanical properties and surface defects condition are available.
Instrumented indentation method has widely used in the measurement of mechanical properties of microscale materials since the significance achievement was developed by Oliver WC and Pharr GM [4,5].
Many studies focus on the corresponding relation between shape factors of load-displacement curves and elastic-plastic properties of materials.
It was generally supposed that elastic contact stiffness S, loading curvature C and ratio of residual depth to max depth hr/hm are independent shape factors [11].
Based on the numerical model, further researches on the relation of equivalent mechanical properties and surface defects condition are available.
Online since: December 2018
Authors: Antonio Lanzotti, Massimo Martorelli, Teresa Russo, Antonio Gloria
A scaffold has to satisfy appropriate requirements in terms of mechanical performances and mass transport properties (i.e., permeability, diffusion).
This technique bridges the gap between atomic force microscopy and macroscale mechanical testing, providing the possibility to map the surface mechanical properties [18].
Gloria, Further Theoretical Insight into the Mechanical Properties of Polycaprolactone Loaded with Organic–Inorganic Hybrid Fillers.
A. van Blitterswijk, 3D fiber-deposited scaffolds for tissue engineering: influence of pores geometry and architecture on dynamic mechanical properties.
Chiellini, Effect of process parameters on the morphological and mechanical properties of 3D bioextruded poly(ε-caprolactone) scaffolds.
This technique bridges the gap between atomic force microscopy and macroscale mechanical testing, providing the possibility to map the surface mechanical properties [18].
Gloria, Further Theoretical Insight into the Mechanical Properties of Polycaprolactone Loaded with Organic–Inorganic Hybrid Fillers.
A. van Blitterswijk, 3D fiber-deposited scaffolds for tissue engineering: influence of pores geometry and architecture on dynamic mechanical properties.
Chiellini, Effect of process parameters on the morphological and mechanical properties of 3D bioextruded poly(ε-caprolactone) scaffolds.
Online since: December 2010
Authors: Norhamidi Muhamad, Sufizar Ahmad, Mohd Halim Irwan Ibrahim, Mohd Ruzi Harun, Nor Hafiez Mohamad Nor
Zu and Lin [6] optimized the mechanical properties of injection molded W-4.9%Ni-2%Fe in debinding.
In Table 2, the combination of A2, B1, C1, D2, E2 and F0 shows the largest value of the Grey relational grade for the factors A, B, C, D, E and F, respectively.
The rest of other factors and all interaction factors are not significant affecting for high green quality even though it give contribution during injection molding process but the confidence level are less than 90%.
The rest of other factors and all interaction factors are not significant affecting for high green quality because the confidence level are less than 90%.
Lin: Optimizing The Mechanical Properties of Injection Molded W-4.9%Ni-2%Fe in Debinding.
In Table 2, the combination of A2, B1, C1, D2, E2 and F0 shows the largest value of the Grey relational grade for the factors A, B, C, D, E and F, respectively.
The rest of other factors and all interaction factors are not significant affecting for high green quality even though it give contribution during injection molding process but the confidence level are less than 90%.
The rest of other factors and all interaction factors are not significant affecting for high green quality because the confidence level are less than 90%.
Lin: Optimizing The Mechanical Properties of Injection Molded W-4.9%Ni-2%Fe in Debinding.
Online since: June 2015
Authors: Sebastian Krawiec, Łukasz Krawczyk
The results of this work suggest that the Inconel 713C turbine wheel was damaged by two factors: fatigue cracking at low frequencies and grain boundaries oxidation.
The turbine wheel is the most affected element.
As far as the internal combustion engines in the private cars are concerned, nickel base superalloys offer the best combination of the mechanical properties, corrosion resistance and creep with their price [1].
Due to the competitive price and good casting properties, Inconel 713C is used is the as-cast condition.
The destruction of the turbine wheel can be attributed to both of these factors.
The turbine wheel is the most affected element.
As far as the internal combustion engines in the private cars are concerned, nickel base superalloys offer the best combination of the mechanical properties, corrosion resistance and creep with their price [1].
Due to the competitive price and good casting properties, Inconel 713C is used is the as-cast condition.
The destruction of the turbine wheel can be attributed to both of these factors.
Online since: August 2018
Authors: Meshal Al-Samhan, Fatema Al-Attar, Jacob Samuel, Gils Abraham, Aseel Al-Banna
It can be found from this study that the combination of flowing chemicals in the pipe with the external factors such as elevated temperature and ultraviolet radiation have a notable impact over the polymer matrix and consequently on the composite physical properties.
Composite resin reinforcement with glass fibers tend to produce better mechanical flexural properties than filler reinforcement [7].Thus, in our study, flexural strength test according to ASTM D790 and ISO 4049 standard were used as in several previous studies [8-11].
Swelling is one of the main factors that is attributed to the matrix-fiber deboning.
Bravim , “Environmental Effects on Thermal Properties of PEI/Glass Fiber Composite Materials”, J.
Changes in flexural properties of composite restoratives after aging in water.
Composite resin reinforcement with glass fibers tend to produce better mechanical flexural properties than filler reinforcement [7].Thus, in our study, flexural strength test according to ASTM D790 and ISO 4049 standard were used as in several previous studies [8-11].
Swelling is one of the main factors that is attributed to the matrix-fiber deboning.
Bravim , “Environmental Effects on Thermal Properties of PEI/Glass Fiber Composite Materials”, J.
Changes in flexural properties of composite restoratives after aging in water.
Online since: January 2016
Authors: Robert Černý, Eva Vejmelková, Lukáš Fiala, Monika Čáchová
Appropriate pore size distribution achieved by admixture of convenient substances leads to higher salt and frost crystallization resistance and also positively affects materials water (salt solution) transport properties.
Ellipsoidal geometry is described by means of depolarization factors [7].
The three depolarization factors for any ellipsoid satisfy the equation
Černý, Influence of Finely Ground Brick on Hydric Properties of Lime Plasters, 4th European Conference of Mechanical Engineering, Paris, France, ISBN: 978-960-474-345-2, pp. 117 – 121, October 2013
Čáchová, Properties of plasters with content finely ground brick, Diploma thesis, CTU in Prague, Prague 2013
Ellipsoidal geometry is described by means of depolarization factors [7].
The three depolarization factors for any ellipsoid satisfy the equation
Černý, Influence of Finely Ground Brick on Hydric Properties of Lime Plasters, 4th European Conference of Mechanical Engineering, Paris, France, ISBN: 978-960-474-345-2, pp. 117 – 121, October 2013
Čáchová, Properties of plasters with content finely ground brick, Diploma thesis, CTU in Prague, Prague 2013
Online since: March 2011
Authors: Xiu Chi Hu, Xiang Min Xu, Yu Dong Zhang, Bin Jie Li, Zhi Jun Zhang
Mechanical and thermal properties of nano-SiO2/PA66 composites
Xiuchi Hu1,a, Xiangmin Xu1, Yudong Zhang2, Binjie Li2, Zhijun Zhang2
1Department of Mechanical and Electrical Engineering,
Yellow River Conservancy Technical Institute, Kaifeng, Henan, 475000, China
2Key Lab for Special Functional Materials, Henan University, Kaifeng, Henan, 475000, China
aEmail: huxiuchi@126.com
Keywords: Composites; Nano-SiO2; Mechanical properties; Thermal properties;
Abstract.
Compared with their neat counterparts, the nanocomposites exhibit superior properties such as enhanced mechanical and thermal properties, improved barrier performance and flame retardancy [1-7].
PA66, a semi crystalline thermoplastic polymer, has been widely used for numerous engineering applicants, due to its combination of good processing properties, high rigidity and excellent mechanical properties.
The influence of nano-SiO2 on the mechanical and thermal properties of the materials is rarely discussed.
Microstructure and mechanical properties of microcellular injection molded polyamide-6 nanocomposites.
Compared with their neat counterparts, the nanocomposites exhibit superior properties such as enhanced mechanical and thermal properties, improved barrier performance and flame retardancy [1-7].
PA66, a semi crystalline thermoplastic polymer, has been widely used for numerous engineering applicants, due to its combination of good processing properties, high rigidity and excellent mechanical properties.
The influence of nano-SiO2 on the mechanical and thermal properties of the materials is rarely discussed.
Microstructure and mechanical properties of microcellular injection molded polyamide-6 nanocomposites.