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Online since: February 2013
Authors: Jian Ping Lin, Jin Feng Wang, Jian Zeng Li
Major influencing factors of flowing property are water-cement ratio, asphalt-cement quality ratio and cement types.
Factors influencing strength of cement asphalt mortar and mechanism research [J].
Major factors influencing strength of CA mortar [J].
Influence of loading rate on mechanical properties of cement asphalt mortars [J].
Temperature sensitivity of mechanical properties of cement asphalt mortars [J].
Factors influencing strength of cement asphalt mortar and mechanism research [J].
Major factors influencing strength of CA mortar [J].
Influence of loading rate on mechanical properties of cement asphalt mortars [J].
Temperature sensitivity of mechanical properties of cement asphalt mortars [J].
Online since: May 2011
Authors: Xin Qi, Qing Cheng Meng, Shi Chun Zhao
Mechanical properties of CFT column and steel beam joint with inner stiffening ring was analyzed by using FEA program ANSYS.
The mechanical properties of this kind of joint, some theoretical analysis and experimental research have made in home and abroad, but now is mainly aimed at single tensile or two-way vertical, less in non-perpendicular elements.
This paper makes research on the mechanical properties of CFT column and steel beam joint with inner stiffening plane.
The mechanical property of the stiffening ring of Multi-dimension is affected by angle, the smaller angle, easier to make stress concentration.
So the thickness is a main factor affects its mechanical performance.
The mechanical properties of this kind of joint, some theoretical analysis and experimental research have made in home and abroad, but now is mainly aimed at single tensile or two-way vertical, less in non-perpendicular elements.
This paper makes research on the mechanical properties of CFT column and steel beam joint with inner stiffening plane.
The mechanical property of the stiffening ring of Multi-dimension is affected by angle, the smaller angle, easier to make stress concentration.
So the thickness is a main factor affects its mechanical performance.
Online since: January 2013
Authors: Dong Chao Liang, Min Shen, Yan Li Duan, Yang Liu
Its local inhomogeneity and interphase both affect the macroscopic properties of the composite.
The three-phase (matrix-interphase-fiber) model considering some different factors was developed to study the effects of interphase parameters on the mechanical properties of the composite.
Studying mechanical properties of natural short fiber reinforced composite has certain significance.
Only if all above factors are considered and appropriately characterized, a reasonable and effective numerical model can be obtained.
Simulation of the tensile behavior of the composite The global mechanical properties depend not only on the properties of constituents of the fiber and matrix, but also on processing means about interface and additives.
The three-phase (matrix-interphase-fiber) model considering some different factors was developed to study the effects of interphase parameters on the mechanical properties of the composite.
Studying mechanical properties of natural short fiber reinforced composite has certain significance.
Only if all above factors are considered and appropriately characterized, a reasonable and effective numerical model can be obtained.
Simulation of the tensile behavior of the composite The global mechanical properties depend not only on the properties of constituents of the fiber and matrix, but also on processing means about interface and additives.
Online since: April 2015
Authors: Qing Zhi Dong, Zhou Fang
The effect of composition of the IPNs on the damping, thermal and mechanical properties were studied systematically.
In the paper castor oil (CO) was used as PU’s branch units, the damping properties affected by the branch units ratio (ρ) were studied.
Mechanical properties of the grafted IPNs cast films were measured with a Model GT-5A Universal Testing Machine (Shenzhen Sans Testing Machine Co.
The peaks of tanδ (max.1 (PU), max.2 (PA)) were defined as the glass transition temperature (Tg (max.1) (PU), Tg (max.2) (PA)), the component ratio was one of the main factors to affect the damping properties of IPNs.
The effective crosslink density in the networks is one of the dominant factors to the shift of Tg.
In the paper castor oil (CO) was used as PU’s branch units, the damping properties affected by the branch units ratio (ρ) were studied.
Mechanical properties of the grafted IPNs cast films were measured with a Model GT-5A Universal Testing Machine (Shenzhen Sans Testing Machine Co.
The peaks of tanδ (max.1 (PU), max.2 (PA)) were defined as the glass transition temperature (Tg (max.1) (PU), Tg (max.2) (PA)), the component ratio was one of the main factors to affect the damping properties of IPNs.
The effective crosslink density in the networks is one of the dominant factors to the shift of Tg.
Online since: March 2007
Authors: Liang Meng, J.B. Liu
Both the mechanical and
electrical properties depend upon the material composition, strain degree, intermediate heat treatments and final
annealing processes.
These factors strongly affect the phase proportion, microstructure morphology, precipitate volume, hardening level and filamentary distribution.
Mechanical properties The strength is dependent on the filamentary distribution and higher than the predicted value from a law of mixtures based on the properties of individual drawn phases.
The as-cast structure is one of determinant factors to the filamentary distribution and resultant strength.
These factors strongly affect the phase proportion, microstructure morphology, precipitate volume, hardening level and filament distribution.
These factors strongly affect the phase proportion, microstructure morphology, precipitate volume, hardening level and filamentary distribution.
Mechanical properties The strength is dependent on the filamentary distribution and higher than the predicted value from a law of mixtures based on the properties of individual drawn phases.
The as-cast structure is one of determinant factors to the filamentary distribution and resultant strength.
These factors strongly affect the phase proportion, microstructure morphology, precipitate volume, hardening level and filament distribution.
Online since: June 2014
Authors: Jin Qi Wang, Yu Wei Guo, Shao Zhong Liu, Ya Nan Zhang
However, in the actual measurement process, many factors will affect the accuracy of the turbine flowmeter,such as characteristics of the fluid(direction, density, viscosity, speed, etc.), temperature,the angle of slanted wells,etc.
Flow measurement at the scene, there are many factors that affect turbine flow meter accuracy, resulting in inaccurate results.
Thus, the mechanical friction is smaller, the value of starting flow meter is smaller.
Effect of fluid properties.When the flow rate start to be greater than the starting flow, as the fluid passes through,the rotational speed of the turbine blades started faster.
Figure 2 Conclusions Although factors precision turbine flowmeter measurements on a lot of research, but the characteristics of turbine flowmeter measuring viscous medium are not entirely clear.
Flow measurement at the scene, there are many factors that affect turbine flow meter accuracy, resulting in inaccurate results.
Thus, the mechanical friction is smaller, the value of starting flow meter is smaller.
Effect of fluid properties.When the flow rate start to be greater than the starting flow, as the fluid passes through,the rotational speed of the turbine blades started faster.
Figure 2 Conclusions Although factors precision turbine flowmeter measurements on a lot of research, but the characteristics of turbine flowmeter measuring viscous medium are not entirely clear.
Online since: August 2010
Authors: Sandhyarani Biswas, Alok Satapathy, Amar Patnaik
Despite the fact that glass fiber-reinforced plastics have
excellent thermal and mechanical properties, it is difficult to devise suitable disposal methods for
them.
Today the material has been developed into a high quality technical grade ceramic with very good mechanical properties.
The composition, designation and mechanical properties of the composites thus prepared for this study are listed in Table 1.
The impact failure of a composite occurs by factors like matrix fracture, fiber/matrix debonding and fiber pull out.
Part-3: Mechanical properties of alumina filled polymer composites This part of the paper presents the mechanical characteristics of bamboo-epoxy and glass-epoxy composites filled with a conventional filler alumina (Al2O3).
Today the material has been developed into a high quality technical grade ceramic with very good mechanical properties.
The composition, designation and mechanical properties of the composites thus prepared for this study are listed in Table 1.
The impact failure of a composite occurs by factors like matrix fracture, fiber/matrix debonding and fiber pull out.
Part-3: Mechanical properties of alumina filled polymer composites This part of the paper presents the mechanical characteristics of bamboo-epoxy and glass-epoxy composites filled with a conventional filler alumina (Al2O3).
Online since: July 2011
Authors: Dai Dong Zhang, Hu Zhang, Xue Hua Yu, Xiao Ru Zhang, Da Qing Fang
Due to Gd is prior to reacting with Al for forming Al-RE phase, so limited Al is occupied, affecting the formation of β-Mg17A112 phase.
It is reflected in its mechanical properties.
But when the content increases to 3%, the mechanical properties of alloy decline.
These factors can improve the comprehensive mechanics property of alloy.
Effects of Gd Addition on Microstructure and Mechanical Properties of Mg-2Al-Zn Alloy.
It is reflected in its mechanical properties.
But when the content increases to 3%, the mechanical properties of alloy decline.
These factors can improve the comprehensive mechanics property of alloy.
Effects of Gd Addition on Microstructure and Mechanical Properties of Mg-2Al-Zn Alloy.
Online since: June 2012
Authors: Jun Du, Yu Bai, Jian Feng Yang, Fang Li Yu, Ping Ping Yu, Jian Zhi Wang
During the sintering process, the formation and growth of elongated β-Si3N4 grains are affected by some factors, such as the number of the β-Si3N4 nuclei, the intergranular space and the liquid for the growth of nuclei.
Recently, many studies have revealed that the ideal β-Si3N4 seed is one of the most important factors for producing self-reinforced Si3N4 ceramics [4-10].
The mechanical properties of porous Si3N4 ceramics were also investigated.
Conclusions The effects of β-Si3N4 seeds on the microstructure and mechanical properties of porous Si3N4 ceramics were studied.
With the increase of β-Si3N4 seeds up to 3 wt.%, under the porosity of about 42%, superior mechanical properties, 315.98 MPa, were obtained for porous ceramics with the microstructure of fibrous grains and the average aspect ratios of 6.42.
Recently, many studies have revealed that the ideal β-Si3N4 seed is one of the most important factors for producing self-reinforced Si3N4 ceramics [4-10].
The mechanical properties of porous Si3N4 ceramics were also investigated.
Conclusions The effects of β-Si3N4 seeds on the microstructure and mechanical properties of porous Si3N4 ceramics were studied.
With the increase of β-Si3N4 seeds up to 3 wt.%, under the porosity of about 42%, superior mechanical properties, 315.98 MPa, were obtained for porous ceramics with the microstructure of fibrous grains and the average aspect ratios of 6.42.
Online since: March 2020
Authors: V.I. Shastin, S.K. Kargapol’tsev, V.E. Gozbenko
Varying the laser processing modes makes it possible to redistribute alloying elements in the surface layer, providing special physical and mechanical properties.
Numerous factors affecting the parameters of surface roughness include the mode and type of machining, the tool used and its material, its geometrical parameters, the composition of the coolant, the rigidity of the "machine-device-tool-component" system, the composition and properties of the processed material, and a number of other factors.
In specific cases, any of the factors noted may have a decisive influence on the roughness parameters.
Obviously, this is due to the peculiarity of structural transformations related to high dispersion and isotropy, as well as an increase in wear resistance and other physical and mechanical properties.
Gozbenko et al., Physical and Mechanical Properties of Engineering Materials Using Innovative Methods, Int.
Numerous factors affecting the parameters of surface roughness include the mode and type of machining, the tool used and its material, its geometrical parameters, the composition of the coolant, the rigidity of the "machine-device-tool-component" system, the composition and properties of the processed material, and a number of other factors.
In specific cases, any of the factors noted may have a decisive influence on the roughness parameters.
Obviously, this is due to the peculiarity of structural transformations related to high dispersion and isotropy, as well as an increase in wear resistance and other physical and mechanical properties.
Gozbenko et al., Physical and Mechanical Properties of Engineering Materials Using Innovative Methods, Int.