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Online since: April 2016
Authors: Chen You, Min Fang Chen, Bei Liu, Yun Zhao, Jun Ping Jia
Due to the special topography in length and diameter, magnesium oxide (MgO) whisker has good mechanical properties to improve the mechanical and biological properties of biodegradable polymer materials, while the morphology of MgO whisker is significantly related to the morphology of its precursor whisker.
In this work the precursor whisker is prepared through the mild solution approach and the effects of three producing factors on the growth of precursor whisker are systematically investigated by scanning electronic microscopy(SEM) and X-ray diffraction (XRD).
The whisker is distinctive, it is with the properties of high melting point, high elastic modulus and good corrosion resistance, basing on which it can affect more significantly to matrix material than other shape.
It advantageously improves the material various properties, for example strength, hardness, toughness, microwave absorption properties, thereby utilizing widely in chemical engineering, materials science and other fields[2-5].
Also we found a new way to prepare flower-like slice who has good adsorption properties for its larger specific surface area.
In this work the precursor whisker is prepared through the mild solution approach and the effects of three producing factors on the growth of precursor whisker are systematically investigated by scanning electronic microscopy(SEM) and X-ray diffraction (XRD).
The whisker is distinctive, it is with the properties of high melting point, high elastic modulus and good corrosion resistance, basing on which it can affect more significantly to matrix material than other shape.
It advantageously improves the material various properties, for example strength, hardness, toughness, microwave absorption properties, thereby utilizing widely in chemical engineering, materials science and other fields[2-5].
Also we found a new way to prepare flower-like slice who has good adsorption properties for its larger specific surface area.
Online since: December 2024
Authors: Gao Yang Liu, Jia Yi Li, Peng Liu, Dong He
With the change of interface characteristics, the mechanical properties also exhibit gradient variations.
Additionally, they exhibit outstanding low-temperature mechanical properties, making them widely used in aerospace, deep-sea vessels, and other fields.
As a typical dual-phase alloy, the phase structure and microstructure morphology of Ti-Al-V alloys change with deformation processes and heat treatment, ultimately affecting their mechanical properties [3].
Results and Analysis The Influence of Gradient Features on Deformation Behavior and Mechanical Properties.
Effects of heat treatment processes on the mechanical properties, microstructure evolution, and strengthening mechanisms of Al–Mg–Zn–Cu alloy [J].
Additionally, they exhibit outstanding low-temperature mechanical properties, making them widely used in aerospace, deep-sea vessels, and other fields.
As a typical dual-phase alloy, the phase structure and microstructure morphology of Ti-Al-V alloys change with deformation processes and heat treatment, ultimately affecting their mechanical properties [3].
Results and Analysis The Influence of Gradient Features on Deformation Behavior and Mechanical Properties.
Effects of heat treatment processes on the mechanical properties, microstructure evolution, and strengthening mechanisms of Al–Mg–Zn–Cu alloy [J].
Online since: October 2010
Authors: Xiao Ming Fan
It
is one of important factors to affect the stability of the sensing abilities of CFRC by now.
But the large amount of graphite powders added in cement-based material will result in a dramatic decline in mechanical properties, so small amount of carbon fibers is involved to ensure the mechanical properties of CFRC.
Therefore, mixing short carbon fiber and graphite powder into cement-matrix is a good way to increasing the instability of electrical properties of cement-based composites[7].
Because of environmental factors such as temperature, humidity and so on will badly affect the smart features of such materials, especially the electrical properties, so environmental effects on smart concrete is the basic problem of realizing its engineering application.
The electrical resistivity of conductive concrete depends on the electrical conductive properties, physical properties and interaction of conductive phase and cementitious materials.
But the large amount of graphite powders added in cement-based material will result in a dramatic decline in mechanical properties, so small amount of carbon fibers is involved to ensure the mechanical properties of CFRC.
Therefore, mixing short carbon fiber and graphite powder into cement-matrix is a good way to increasing the instability of electrical properties of cement-based composites[7].
Because of environmental factors such as temperature, humidity and so on will badly affect the smart features of such materials, especially the electrical properties, so environmental effects on smart concrete is the basic problem of realizing its engineering application.
The electrical resistivity of conductive concrete depends on the electrical conductive properties, physical properties and interaction of conductive phase and cementitious materials.
Online since: May 2019
Authors: Anak Khantachawana, Peerapong Santiwong, Natthalak Tantiwinyupong, Rochaya Chintavalakorn
It was found that the surfaces can be improved to achieve requisite properties, such as wettability and adhesion efficiency.
These findings showed that they can be used to improve the hydrophobic properties of the surfaces.
Therefore, the purpose of this study was to investigate the surface hardness, frictional and mechanical properties of three types of surface modified archwires; DLC-coated, CH4- and CF4-PBII NiTi archwires.
They did not detect a significant effect of PBIID techniques that affecting the load values under the displacements.
The three point bending test was used to evaluate the mechanical property of the wire in a laboratory setting.
These findings showed that they can be used to improve the hydrophobic properties of the surfaces.
Therefore, the purpose of this study was to investigate the surface hardness, frictional and mechanical properties of three types of surface modified archwires; DLC-coated, CH4- and CF4-PBII NiTi archwires.
They did not detect a significant effect of PBIID techniques that affecting the load values under the displacements.
The three point bending test was used to evaluate the mechanical property of the wire in a laboratory setting.
Online since: April 2014
Authors: Shi Yan Chen, Hua Ping Wang, Cao Xiang, Chuan Lu, Yan Ge
Materials affect the performance of their applications, so conducting polymer/cellulose composites have grown fast recent years due to their better performances and new properties [1].
Tensile stress–strain curve of (1)BC, (2)BC/PANI(0.01M), (3)BC/PANI(0.20M), (4)BC/PANI(0.50M) Mechanical Properties.
The mechanical properties of the membranes get worse because PANI destroyed the three-dimensional network structure of BC.
Factors affecting the yield and properties of bacterial cellulose[J].
The structure and mechanical properties of sheets prepared from bacterial cellulose[J].
Tensile stress–strain curve of (1)BC, (2)BC/PANI(0.01M), (3)BC/PANI(0.20M), (4)BC/PANI(0.50M) Mechanical Properties.
The mechanical properties of the membranes get worse because PANI destroyed the three-dimensional network structure of BC.
Factors affecting the yield and properties of bacterial cellulose[J].
The structure and mechanical properties of sheets prepared from bacterial cellulose[J].
Online since: August 2013
Authors: Ji Ming Huang, Min Jie Chai, Rong Ying Zhang
Beyond all doubt once the system failure it will cause severe human and property losses, even lead to disastrous consequences.
Unfortunately, the working system which needs rapid detection, diagnosis and repair is often very complex and factors affecting the system functions characteristics are varied and influence each other, restrict each other and interact with each other.
Moreover, these vibrations in the state are related to the bearing characteristic and the real cause of these vibrations often is related to those factors (such as material, structure, assembling, fabricating and improper operation).
And its performance and affect decide directly the quality and performance of the whole machine.
The main reason for these faults my be inappropriate oil temperature, too high oil temperature, dirty oil or rotten oil, seal failure, heavy wear parts, damaged parts, manufacture or install errors, design flaws and Some other factors.
Unfortunately, the working system which needs rapid detection, diagnosis and repair is often very complex and factors affecting the system functions characteristics are varied and influence each other, restrict each other and interact with each other.
Moreover, these vibrations in the state are related to the bearing characteristic and the real cause of these vibrations often is related to those factors (such as material, structure, assembling, fabricating and improper operation).
And its performance and affect decide directly the quality and performance of the whole machine.
The main reason for these faults my be inappropriate oil temperature, too high oil temperature, dirty oil or rotten oil, seal failure, heavy wear parts, damaged parts, manufacture or install errors, design flaws and Some other factors.
Online since: June 2015
Authors: Oksana Bleikher, Svetlana Kvesko
Introduction
Mechanical engineering is aggressive branch of modern Russia.
Complexity of decision making includes the fact that the Mechanical engineering branch is one of the most industrial productions affecting on other industrial and economic activities and reflects on scientific and technology state, and defense capacity of the state.
It includes given below factors: production constructing, automation of production process, life-time management of production, accounting system and planning of economic financial processes.
For instance, local information systems can be used for solution of conflict of interest in distribution network; survey of medicine experts regarding improvement of consumer properties of equipment for “beauty industry”; local anonymous survey of directors of Mechanical engineering enterprises in case of monitoring of conditions for development Mechanical engineering enterprises in local region with public authority participation.
The efficiency of PHP is the most important factor when programming for multi-user environments such as information systems for socio-economic research.
Complexity of decision making includes the fact that the Mechanical engineering branch is one of the most industrial productions affecting on other industrial and economic activities and reflects on scientific and technology state, and defense capacity of the state.
It includes given below factors: production constructing, automation of production process, life-time management of production, accounting system and planning of economic financial processes.
For instance, local information systems can be used for solution of conflict of interest in distribution network; survey of medicine experts regarding improvement of consumer properties of equipment for “beauty industry”; local anonymous survey of directors of Mechanical engineering enterprises in case of monitoring of conditions for development Mechanical engineering enterprises in local region with public authority participation.
The efficiency of PHP is the most important factor when programming for multi-user environments such as information systems for socio-economic research.
Online since: November 2012
Authors: Ping Bo Xu, Ji Tao Zhang, Fu Xin Yin
Shaohuai Cai [7] etc also made a serious of experiments to study the basic mechanism properties of CFST columns.
And the main factor is the axial load ratio.
Lihong Xue etc [13] investigated the bond properties based on 32 push-out tests of CFST columns system.
Many factors are investigated to affect the bond strength like cross section, the age and strength of concrete, the ratio of steel’s diameter and thickness, the slenderness and the way of pouring the concrete, which created the conditions for further study on the bond strength and deformation capacity.
Factors affected the hysteresis curve skeleton are steel ratio, the yield capacity, the load ratio and the concrete strength.
And the main factor is the axial load ratio.
Lihong Xue etc [13] investigated the bond properties based on 32 push-out tests of CFST columns system.
Many factors are investigated to affect the bond strength like cross section, the age and strength of concrete, the ratio of steel’s diameter and thickness, the slenderness and the way of pouring the concrete, which created the conditions for further study on the bond strength and deformation capacity.
Factors affected the hysteresis curve skeleton are steel ratio, the yield capacity, the load ratio and the concrete strength.
Online since: March 2020
Authors: V.I. Shastin, S.K. Kargapol’tsev
This is obviously the reason for the increase in the physical and mechanical properties of the modified layer, namely, an increase in the microhardness index, corrosion resistance, wear resistance, etc.
The physical and mechanical properties of the modified material by the depth of the heat-affected zone (HAZ) also exceed these indicators in comparison with the first processing mode.
This parameter determines the causal relationship between structural phase transformations in the modified layer and changes in its physical and mechanical properties.
It depends on the wear conditions, physical-and-mechanical and tribological properties of the mating materials.
These circumstances largely explain the mechanism and the main factors determining the increase in tribological properties during laser thermal strengthening, namely, due to an increase in cohesive strength, bearing capacity and improved wear conditions of the modified layer.
The physical and mechanical properties of the modified material by the depth of the heat-affected zone (HAZ) also exceed these indicators in comparison with the first processing mode.
This parameter determines the causal relationship between structural phase transformations in the modified layer and changes in its physical and mechanical properties.
It depends on the wear conditions, physical-and-mechanical and tribological properties of the mating materials.
These circumstances largely explain the mechanism and the main factors determining the increase in tribological properties during laser thermal strengthening, namely, due to an increase in cohesive strength, bearing capacity and improved wear conditions of the modified layer.
Online since: February 2022
Authors: Yvonne Durandet, Dong Ruan, Xiao Dong Huang, Jia Hui Li
There are several factors that influence the mechanical properties of FDM-fabricated CFRPs, such as fiber type, fiber volume fraction and matrix material [5].
In addition to fiber type, the matrix material is also affecting the mechanical properties of FDM-fabricated CFRPs.
To the best knowledge of the authors, the mechanical properties of continuous glass fiber reinforced Onyx have not been reported in literature to date and are studied experimentally in this paper.
Stress-strain curves and tensile properties.
Tensile properties of current work and referencing data.
In addition to fiber type, the matrix material is also affecting the mechanical properties of FDM-fabricated CFRPs.
To the best knowledge of the authors, the mechanical properties of continuous glass fiber reinforced Onyx have not been reported in literature to date and are studied experimentally in this paper.
Stress-strain curves and tensile properties.
Tensile properties of current work and referencing data.