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Online since: January 2015
Authors: Wei Ke, Magdalene Edet Ikpi, Junhua Dong
The rate of corrosion reduced by a factor of 1.5 times that of AM60 alloy.
Research has further extended to the application of Mg and its alloys as engineering materials, addressing their efficiency for service as regards their corrosion resistance and mechanical properties [3].
Its desirable physical and mechanical properties make it an increasingly attractive material for light weight structural and functional applications in the automotive, aerospace and electronic industries.
Thus, the addition of about 2 wt.% Cd reduces the corrosion rate of AM60 by a factor of about 1.5.
The corrosion resistance of AM60 alloy was improved by about a factor of 1.5 when alloyed with about 2 wt.% Cd.
Research has further extended to the application of Mg and its alloys as engineering materials, addressing their efficiency for service as regards their corrosion resistance and mechanical properties [3].
Its desirable physical and mechanical properties make it an increasingly attractive material for light weight structural and functional applications in the automotive, aerospace and electronic industries.
Thus, the addition of about 2 wt.% Cd reduces the corrosion rate of AM60 by a factor of about 1.5.
The corrosion resistance of AM60 alloy was improved by about a factor of 1.5 when alloyed with about 2 wt.% Cd.
Online since: June 2015
Authors: S. Chezhian Babu, V.S. Senthil Kumar
They have identified the influential incremental sheet metal forming factors as the sheet thickness, tool radius, tool speed, tool feed and Step Depth.
Fixture with sheet fitted on CNC machine table The chemical composition and physical properties of IS 513 CR3 steel deep drawing quality shown in the table 1.
The material properties of IS: 513 CR3 steel is shown in table 2 and the geometrical dimension of the sheet and tool in table 3.
Table 2: Material Properties of IS: 513 CR3 steel Material Properties Yield Strength [Mpa] Max Tensile Strength [Mpa] Min % Elongation [50 GL] Min Poisson’s Ratio Hardness [HRB] Max Value 240 270 32 0.3 55 Table 3: Geometrical Dimensions of sheet and tool Sl.
Also the material properties are affecting FLD during incremental forming. [14].
Fixture with sheet fitted on CNC machine table The chemical composition and physical properties of IS 513 CR3 steel deep drawing quality shown in the table 1.
The material properties of IS: 513 CR3 steel is shown in table 2 and the geometrical dimension of the sheet and tool in table 3.
Table 2: Material Properties of IS: 513 CR3 steel Material Properties Yield Strength [Mpa] Max Tensile Strength [Mpa] Min % Elongation [50 GL] Min Poisson’s Ratio Hardness [HRB] Max Value 240 270 32 0.3 55 Table 3: Geometrical Dimensions of sheet and tool Sl.
Also the material properties are affecting FLD during incremental forming. [14].
Online since: December 2011
Authors: Yi Peng Chao, Yu Tong Yang, Ying Dong Pu, Wu Tang
This technique could also help in discriminating between intrinsic properties of the dielectric material and extrinsic material issues such as impurity contamination.
In order to measure the dielectric property, we have to make Al-Al2O3-Si structure.
This is a serious impact factor on devices stability.
For amorphous solid material which may has more complex microscopic polarization mechanism, this will affect their dielectric properties in the different frequencies.
Conclusions The residual stress and dielectric property of Al2O3 film on Si substrate are investigated.
In order to measure the dielectric property, we have to make Al-Al2O3-Si structure.
This is a serious impact factor on devices stability.
For amorphous solid material which may has more complex microscopic polarization mechanism, this will affect their dielectric properties in the different frequencies.
Conclusions The residual stress and dielectric property of Al2O3 film on Si substrate are investigated.
Online since: February 2011
Authors: Yu Feng Zhou
Introduction
Electroplating is one of the methods to change the surface properties of the solid materials, such as improving the appearance of the component, increasing the corrosion and abrasion resistances of the materials.
Just for the mechanical products, 70%~80% of the components need electroplating.
Therefore, tests on the electroplating properties are essential parts of the electroplating processing.
When the coating reaches a certain thickness, due to the limitation of the hammer impact load, only the coating will be affected by the impact load, but the substrate metal will not have plastic deformation.
Kaneta, Transactions of the Japan Society of Mechanical Engineers, Part A, 66(625), 2000
Just for the mechanical products, 70%~80% of the components need electroplating.
Therefore, tests on the electroplating properties are essential parts of the electroplating processing.
When the coating reaches a certain thickness, due to the limitation of the hammer impact load, only the coating will be affected by the impact load, but the substrate metal will not have plastic deformation.
Kaneta, Transactions of the Japan Society of Mechanical Engineers, Part A, 66(625), 2000
Online since: May 2004
Authors: Suk Young Kim, Kwang Jin Kim, J.H. Kwon, Eui Kyun Park, Young Keun Jeong, Hong In Shin, H.M. Ryoo, Kyung Sik Oh
In the synthesis of antimicrobial hydroxyapatite doped with silver, the amount of silver is
the critical element affecting its properties.
The results suggested that the optimal antimicrobial property with none or mild cytotoxicity may be produced by modulating not only the doped silver amount but also their shape and synthesis route.
Introduction Bone defects occur in a variety of clinical situations, and their reconstruction to provide mechanical integrity to the skeleton is a necessary step in the patient's rehabilitation.
However, they still lack mechanical strength, elasticity, and osteoinductive capacity.
However, the change of cytotoxicity found in Table 1 suggests that the amount and release of silver in the carrier is the primary factor determining the cytotoxicity.
The results suggested that the optimal antimicrobial property with none or mild cytotoxicity may be produced by modulating not only the doped silver amount but also their shape and synthesis route.
Introduction Bone defects occur in a variety of clinical situations, and their reconstruction to provide mechanical integrity to the skeleton is a necessary step in the patient's rehabilitation.
However, they still lack mechanical strength, elasticity, and osteoinductive capacity.
However, the change of cytotoxicity found in Table 1 suggests that the amount and release of silver in the carrier is the primary factor determining the cytotoxicity.
Online since: June 2010
Authors: Gui Yu Lin, Wei Wei Li
The dynamic coefficient relates not only to
structural factors such as the system mass distribution, the system stiffness and damping coefficient,
but also to the use of condition and the system control state of lifting drives.
The carrying capacity of the jib is mainly affected by its material.
The mechanical property of the material which is used to manufactured the tower jib is of discreteness, as a result, the static strength is of statistical feature[5] .
Usually, the mathematical expectation and standard deviation of the material sample tensile mechanical property can be identify through the relevant design information.
Reliability optimization design of Mechanical parts.
The carrying capacity of the jib is mainly affected by its material.
The mechanical property of the material which is used to manufactured the tower jib is of discreteness, as a result, the static strength is of statistical feature[5] .
Usually, the mathematical expectation and standard deviation of the material sample tensile mechanical property can be identify through the relevant design information.
Reliability optimization design of Mechanical parts.
Online since: July 2018
Authors: Pranut Potiyaraj, Warrayut Kanabenja
To extend their applications, some properties should be improved especially their electrical and mechanical properties like electrical conductivity and strength.
However, the dispersion of graphene in TPU phase are the important factor that need to be considered because it affects to overall properties of composites.
Thermal Properties of Nanocomposites.
Maio, Thermoplastic polyurethane films reinforced with carbon nanotubes: the effect of processing on the structure and mechanical properties, Eur.
Lu, In situ polymerization of graphene nanosheets and polyurethane with enhanced mechanical and thermal properties, J.
However, the dispersion of graphene in TPU phase are the important factor that need to be considered because it affects to overall properties of composites.
Thermal Properties of Nanocomposites.
Maio, Thermoplastic polyurethane films reinforced with carbon nanotubes: the effect of processing on the structure and mechanical properties, Eur.
Lu, In situ polymerization of graphene nanosheets and polyurethane with enhanced mechanical and thermal properties, J.
Online since: March 2012
Authors: Zhang Wei Yang
From the 80's, China Northeast Architectural Design and Research Institute, Tsinghua University, Zhejiang University, Tongji University and other units preliminary discussed the physical and mechanical properties of the concrete block and block wall, and also discussed the seismic performances.
Table 2 shows the Mix proportion of concrete and the physical and mechanical properties of concrete [8]. 3.
Ecological Planning Lots of factors must be put into consideration.
The following factors should be considered in river planning [7]. 3.1 Regional eco-environment Regional eco-environment is an essential factor of a region’s river eco-environment.
Preparation Process and Properties of Porous Ecological Concrete, JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY, Vol. 32, No. 17, Sept. 2010
Table 2 shows the Mix proportion of concrete and the physical and mechanical properties of concrete [8]. 3.
Ecological Planning Lots of factors must be put into consideration.
The following factors should be considered in river planning [7]. 3.1 Regional eco-environment Regional eco-environment is an essential factor of a region’s river eco-environment.
Preparation Process and Properties of Porous Ecological Concrete, JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY, Vol. 32, No. 17, Sept. 2010
Online since: May 2014
Authors: Tatsuaki Furumoto, Takashi Ueda, Mohd Rizal Alkahari, Akira Hosokawa
Therefore, melt pool is an important behavior that affects the final quality of track formation.
However, the main bottleneck is accuracy and appropriate material properties that give the best end product in terms of mechanical properties that comparable to bulk material.
Critical factors in AM since from the beginning are material capability, accuracy and surface finish.
Hence, metal powders quality and substrate surface were affected.
During this, melt pool was formed, which affect the overall part quality. 2.
However, the main bottleneck is accuracy and appropriate material properties that give the best end product in terms of mechanical properties that comparable to bulk material.
Critical factors in AM since from the beginning are material capability, accuracy and surface finish.
Hence, metal powders quality and substrate surface were affected.
During this, melt pool was formed, which affect the overall part quality. 2.
Online since: January 2016
Authors: Dušan Dlhý, Peter Tomašovič, Peter Petrák, Peter Zaťko
The Effect of a Front Frame on the Increase in Sound Insulation of an Acoustically Simple Wall - Results of On-Site Measurements
Dušan Dlhý1,a *, Peter Tomašovič2,b, Peter Petrák3,c and Peter Zaťko4,d
1,2 Slovak University of Technology in Bratislava, Faculty of Civil Engineering, Radlinskeho 11, 813 68 Bratislava, Slovak Republic
3 Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, Námestie Slobody 17, 812 31 Bratislava, Slovak Republic
4 A&Z Acoustics s.r.o., Repašského 2, 841 02 Bratislava, Slovakia
adusan.dlhy@stuba.sk, bpeter.tomasovic@stuba.sk, cpeter.petrak@stuba.sk, dakustika@akustika.sk
Keywords: Sound insulation, weighted sound insulation, the protruding wall insulation.
In relation to their mass, these constructions emit higher values of sound energy, which adversely affects airborne sound insulation.
Theoretical Change of Airborne Sound Insulation of Acoustically Simple Construction In the area of structure mass inertia (Fig. 1), the level of airborne sound insulation of a homogeneous wall depends on several mechanical and physical factors, but mainly on the basis weight of the structure and frequency.
Thus, at higher frequencies we can achieve better acoustic properties.
In relation to their mass, these constructions emit higher values of sound energy, which adversely affects airborne sound insulation.
Theoretical Change of Airborne Sound Insulation of Acoustically Simple Construction In the area of structure mass inertia (Fig. 1), the level of airborne sound insulation of a homogeneous wall depends on several mechanical and physical factors, but mainly on the basis weight of the structure and frequency.
Thus, at higher frequencies we can achieve better acoustic properties.