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Online since: June 2012
Authors: Zhong Xuan Wei, Xu Pu Yang, Chuan Guo Cai
Based on these, an analysis on various factors which affect the ductility of the columns is conducted.
Moreover carbon fiber is better than the above two in the mechanical properties, but its higher cost.
—Ductility factor.
Made a comparison of the skeleton curve of each specimen, it can be seen that two factors influenced the end-column displacement in various degree.
Next, for different varieties of fiber, the ability of resisting crack and deformation has a bigger distinction due to the difference in its mechanical properties.
Moreover carbon fiber is better than the above two in the mechanical properties, but its higher cost.
—Ductility factor.
Made a comparison of the skeleton curve of each specimen, it can be seen that two factors influenced the end-column displacement in various degree.
Next, for different varieties of fiber, the ability of resisting crack and deformation has a bigger distinction due to the difference in its mechanical properties.
Online since: July 2015
Authors: Ralf Goller, Achim Rösiger
Due to their superior thermo-mechanical properties CMCs are also highly suitable for components in gas turbines [3].
Some properties taken from the material data sheet are shown in the table in Fig. 4.
Fig. 4 C/C-SiC test material properties and a microscopical image of a through cut showing the microstructure Tooling.
Both factors increase with increased feed rate.
The increasing experimental scatter might refer to higher damage values respectively to higher damage factors.
Some properties taken from the material data sheet are shown in the table in Fig. 4.
Fig. 4 C/C-SiC test material properties and a microscopical image of a through cut showing the microstructure Tooling.
Both factors increase with increased feed rate.
The increasing experimental scatter might refer to higher damage values respectively to higher damage factors.
Online since: October 2016
Authors: Zheng Yi Jiang, Jing Wei Zhao, Si Hai Jiao, Wen Zhen Xia, Hui Wu
Study on Tribological Property of Nano-Tio2 Additive Oil-in-Water Lubricant during Hot Rolling
Wenzhen Xia1, a, Jingwei Zhao1, b, Hui Wu1, c, Sihai Jiao2, d and Zhengyi Jiang1, e *
1 School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, NSW 2522, Australia
2 Baosteel Research Institute (R&D Centre), Baoshan Iron & Steel Co., Ltd., Shanghai 200431, China
awx717@uowmail.edu.au, bjwzhaocn@gmail.com, chw944@uowmail.edu.au, dshjiao@baosteel.com, ejiang@uow.edu.au.
Oxide scale formed on the steel surface during hot rolling affects the tribological property of nano-TiO2 additive oil-in-water (O/W) lubricant, resulting in changes of roll forces, torques and power consumption, as well as the wear and the surface quality of the work roll and workpiece in hot rolling.
The oxide scale inevitably forms on the surface of the workpiece and affects the tribological property of the contact interface between the work roll and workpiece [6].
Yoshida, Influence of lubricant factors on coefficient of friction and clarification of lubrication mechanism in hot rolling, Tetsu to Hagane. 93 (2007) 681-6
Wen, The tribological properties of oils added with diamond nano-particles, Tribol T. 44 (2001) 494-8
Oxide scale formed on the steel surface during hot rolling affects the tribological property of nano-TiO2 additive oil-in-water (O/W) lubricant, resulting in changes of roll forces, torques and power consumption, as well as the wear and the surface quality of the work roll and workpiece in hot rolling.
The oxide scale inevitably forms on the surface of the workpiece and affects the tribological property of the contact interface between the work roll and workpiece [6].
Yoshida, Influence of lubricant factors on coefficient of friction and clarification of lubrication mechanism in hot rolling, Tetsu to Hagane. 93 (2007) 681-6
Wen, The tribological properties of oils added with diamond nano-particles, Tribol T. 44 (2001) 494-8
Online since: July 2011
Authors: Nemkumar Banthia
While we understand very well the quasi-static properties of fiber reinforced concrete (FRC), its impact and blast properties largely remain poorly understood.
For a better understanding of such properties, one needs to scrutinize and analyze the responses at the fiber-matrix interface level, at the level of micro-mechanical crack growth and finally at the level of the engineering properties useful in design.
R-Curves at Different Slip-Rates [15] The existing models apply only to straight undeformed fibers and assume that the interface properties including fracture toughness are not affected by the applied strain-rate.
In compression, for example, these equations predict the dynamic increase factors (DIF) for various mechanical properties such as compressive strength (DIF-fc), elastic modulus (DIF-E), and critical strain (DIF-ec1) [Eqn. 9-11] and similar expressions are available for tension.
Shear properties of FRC have also been studied [41] and no dynamic increase factor was noted.
For a better understanding of such properties, one needs to scrutinize and analyze the responses at the fiber-matrix interface level, at the level of micro-mechanical crack growth and finally at the level of the engineering properties useful in design.
R-Curves at Different Slip-Rates [15] The existing models apply only to straight undeformed fibers and assume that the interface properties including fracture toughness are not affected by the applied strain-rate.
In compression, for example, these equations predict the dynamic increase factors (DIF) for various mechanical properties such as compressive strength (DIF-fc), elastic modulus (DIF-E), and critical strain (DIF-ec1) [Eqn. 9-11] and similar expressions are available for tension.
Shear properties of FRC have also been studied [41] and no dynamic increase factor was noted.
Online since: July 2008
Authors: Florian Kempel, Alois K. Schlarb
The influence of the filler content, the dispersion
quality and the filler geometry on the electrical properties of NCF/epoxy composites was
investigated as a function of the mechanical loading.
Variation in the NCF contacts for example owing to mechanical deformation results in a change of the electrical properties of the composite material.
Nevertheless, the mechanical properties could not be significantly improved by the addition of 1 wt% MWCNTs (not shown here).
But, compared to the impact of the dispersion state on the mechanical properties, the electrical properties are not stronger affected.
To determine the electrical properties under mechanical load, tensile tests with simultaneous resistance measurements were conducted, as described above.
Variation in the NCF contacts for example owing to mechanical deformation results in a change of the electrical properties of the composite material.
Nevertheless, the mechanical properties could not be significantly improved by the addition of 1 wt% MWCNTs (not shown here).
But, compared to the impact of the dispersion state on the mechanical properties, the electrical properties are not stronger affected.
To determine the electrical properties under mechanical load, tensile tests with simultaneous resistance measurements were conducted, as described above.
Online since: April 2012
Authors: Nagesh Dagaonkar, Bhaktdarshan Shrivastava, Sushil Phadke, Ashutosh Mishra
The elastic properties of a homogenous crystal are generally anisotropic.
Density is one of the parameters most widely used to evaluate mechanical properties of wood and it is an important factor that affects the velocity of an ultrasonic wave (Karsulovic et al., 2000) [8].
Several studies have demonstrated good relationship between the velocity of sound and mechanical properties of wood (Oliveira et al., 2002) [9].
Ultrasonic waves are an effective means for examining and analyzing certain physical properties [10] of the materials.
The results obtained and analyses carried out, therefore, allow us to conclude that the non-destructive ultrasound based method can be employed to obtain reliable evaluations of the mechanical properties of wood.
Density is one of the parameters most widely used to evaluate mechanical properties of wood and it is an important factor that affects the velocity of an ultrasonic wave (Karsulovic et al., 2000) [8].
Several studies have demonstrated good relationship between the velocity of sound and mechanical properties of wood (Oliveira et al., 2002) [9].
Ultrasonic waves are an effective means for examining and analyzing certain physical properties [10] of the materials.
The results obtained and analyses carried out, therefore, allow us to conclude that the non-destructive ultrasound based method can be employed to obtain reliable evaluations of the mechanical properties of wood.
Online since: August 2012
Authors: L.M. Wang, H.C. Lin, C.J. Tsai
Its mechanical properties can vary over a wide range depending on the processing conditions.
It should be noted that the mechanical properties of a Ti-6-4 alloy plate can be significantly improved by a suitable heat treatment [10], e.g.
The possible mechanism of the related phase formation and the mechanical properties are studied.
Table 1 Mechanical properties of Ti-6Al-4V weldment of related treatment.
Other factors such as the thermal conductivity of the base material should also play a significant role.
It should be noted that the mechanical properties of a Ti-6-4 alloy plate can be significantly improved by a suitable heat treatment [10], e.g.
The possible mechanism of the related phase formation and the mechanical properties are studied.
Table 1 Mechanical properties of Ti-6Al-4V weldment of related treatment.
Other factors such as the thermal conductivity of the base material should also play a significant role.
Online since: July 2016
Authors: Mochamad Teguh, Novia Mahlisani
Consequently various standard sizes and lengths of reinforcing steel bars are the main factors used for the design of reinforced concrete beam or column structures.
The material properties of reinforced concrete were designed as follows: 35 MPa for compressive strength of concrete and 240 MPa for yield stress of reinforcing steel.
Variety of beam specimens Results and Discussion Material properties.
This strength achievement was directly affected by several factors, such as material quality, mix design, compacting and curing processes.
The reinforcement ratio, material characteristics, and typical joint treatments can be categorized as key factors affecting the flexural ductility of beams. 4.
The material properties of reinforced concrete were designed as follows: 35 MPa for compressive strength of concrete and 240 MPa for yield stress of reinforcing steel.
Variety of beam specimens Results and Discussion Material properties.
This strength achievement was directly affected by several factors, such as material quality, mix design, compacting and curing processes.
The reinforcement ratio, material characteristics, and typical joint treatments can be categorized as key factors affecting the flexural ductility of beams. 4.
Online since: June 2013
Authors: Rui Jun Liu
The quality of the transmission working conditions directly is affected the overall performance of the car, therefore, crucial for transmission testing.
Mechanical properties of automotive transmission test rig, gearbox test drive efficiency and fatigue life and fatigue life of the actuator important equipment.
Therefore, the test rig is using a closed power method to measure the mechanical properties of automotive transmissions [3, 4].
Mesh of the side wall on a car Automotive transmission performance In the process of moving the car , along with changes in the road , load , speed and other factors, torque and speed gearbox also passed changes .
References [1] Automotive mechanical transmission test method for QC/T568-1999 [2] Off Venda car constructor (2nd edition) Beijing: Mechanical Industry Press, 2005 [3] Zong Gong Yang, Zhang for the public, such as: mechanical auto gearbox synchronizer test system development, Xi'an: Industrial Instrumentation & Automation, 2005 [4] Arthur Hou, etc.: Testing and sensing technology, Harbin: Harbin Institute of Technology Press, 2000.
Mechanical properties of automotive transmission test rig, gearbox test drive efficiency and fatigue life and fatigue life of the actuator important equipment.
Therefore, the test rig is using a closed power method to measure the mechanical properties of automotive transmissions [3, 4].
Mesh of the side wall on a car Automotive transmission performance In the process of moving the car , along with changes in the road , load , speed and other factors, torque and speed gearbox also passed changes .
References [1] Automotive mechanical transmission test method for QC/T568-1999 [2] Off Venda car constructor (2nd edition) Beijing: Mechanical Industry Press, 2005 [3] Zong Gong Yang, Zhang for the public, such as: mechanical auto gearbox synchronizer test system development, Xi'an: Industrial Instrumentation & Automation, 2005 [4] Arthur Hou, etc.: Testing and sensing technology, Harbin: Harbin Institute of Technology Press, 2000.
Online since: May 2011
Authors: Volodymyr A. Chernenko, Victor A. L'vov
The interdependence between the magnetic anisotropy of FSMAs, their lattice parameters, microstructure, and magnetostrain properties is considered.
The main physical factors contributing to these dependencies have been analyzed in the framework of magnetoelastic model [30].
We consider these factors to be crucial in the course of determination of MAED value as follows from the next Section. 3.
This equation enables a separation of contributions of these factors.
The temperature dependence of MAED of the Ni–Mn–Ga alloy with MT temperature of about 300 K is almost equally contributed by two factors mentioned above [30].
The main physical factors contributing to these dependencies have been analyzed in the framework of magnetoelastic model [30].
We consider these factors to be crucial in the course of determination of MAED value as follows from the next Section. 3.
This equation enables a separation of contributions of these factors.
The temperature dependence of MAED of the Ni–Mn–Ga alloy with MT temperature of about 300 K is almost equally contributed by two factors mentioned above [30].