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Online since: October 2014
Authors: Gui Min Qu, Bo Ru Li, Li Zhao, Xiao Feng Li
Multiple studies have assessed mechanical properties of composite laminates.
In this paper, mechanical properties of GLARE laminates are tested through experimental methods, and its strength and tensile properties are studied.
The mechanical properties of 2024-T3 aluminum alloy and HS2 glass fiber prepreg are listed in Table 3 and Table 4, respectively.
Table 5 shows the mechanical property of the cohesive element.
The mechanical properties of material are used in table 3 through to table 5, and the size of laminates is the same as that in section 2.1.
In this paper, mechanical properties of GLARE laminates are tested through experimental methods, and its strength and tensile properties are studied.
The mechanical properties of 2024-T3 aluminum alloy and HS2 glass fiber prepreg are listed in Table 3 and Table 4, respectively.
Table 5 shows the mechanical property of the cohesive element.
The mechanical properties of material are used in table 3 through to table 5, and the size of laminates is the same as that in section 2.1.
Influence of the Dry Turning Parameters on the Ultimate Tensile Strength (UTS) of UNS A92024 Samples
Online since: June 2014
Authors: Mariano Marcos Bárcena, José Manuel Mainé, Edwing Isaac Rosales, Daniel García-Jurado, Álvaro Gómez-Parra, Francisco Javier Puerta-Morales
The concept of surface integrity includes the assessment of geometrical aspects like shape and dimensions, and physicochemical properties like hardness and corrosion resistance.
It is well known that mechanical properties of machined parts depend directly on microgeometrical and physicochemical surface conditions.
That is to say, a direct relationship between surface integrity -particularly, roughness- and mechanical properties must be found.
Therefore, it could be stated that feeds affect negatively to Ra and UTS.
Indeed, in spite of the influence that surface finish has on UTS there are another physicochemical properties that may have more relevance.
It is well known that mechanical properties of machined parts depend directly on microgeometrical and physicochemical surface conditions.
That is to say, a direct relationship between surface integrity -particularly, roughness- and mechanical properties must be found.
Therefore, it could be stated that feeds affect negatively to Ra and UTS.
Indeed, in spite of the influence that surface finish has on UTS there are another physicochemical properties that may have more relevance.
Online since: August 2016
Authors: Jun Hua Xiao
The basic physical and mechanical properties of natural subsoil are shown in Table 2.
Basic physical and mechanical properties of natural subsoil.
The properties of improved soil are shown in Table 3.
Properties of lime improved soil.
The value of subgrade elastic deformation directly affects the stabilities of subgrade and track bed, and subgrade elastic deformation reflects in track deformation, which affects running safely and comfortably of high-speed train.
Basic physical and mechanical properties of natural subsoil.
The properties of improved soil are shown in Table 3.
Properties of lime improved soil.
The value of subgrade elastic deformation directly affects the stabilities of subgrade and track bed, and subgrade elastic deformation reflects in track deformation, which affects running safely and comfortably of high-speed train.
Online since: January 2016
Authors: Márton Kiss, Flóra Szkordilisz
Of course in order to investigate the actual effect of trees on indoor thermal comfort we should take into consideration a list of other factors: such as orientation the type and thermal properties of the windows / transparent structures used, and the thermal transmittance values and heat storage capacity of the building.
If we have taken into consideration the mentioned factors during simulation we can prove the effectiveness of vegetation for each case.
The complex factors of urban surface geometry and anthropogenic heat production creates a specific local climate: the urban climate.
The calculations use lookup tables, with the help of reduction factors.
Gulyás, Urban heat island development affected by urban surface factors, Időjárás 104 (2000) 253-268
If we have taken into consideration the mentioned factors during simulation we can prove the effectiveness of vegetation for each case.
The complex factors of urban surface geometry and anthropogenic heat production creates a specific local climate: the urban climate.
The calculations use lookup tables, with the help of reduction factors.
Gulyás, Urban heat island development affected by urban surface factors, Időjárás 104 (2000) 253-268
Online since: July 2016
Authors: Ion Aurel Perianu
The following factors make thermal spraying competitive in contrast to hard chrome plating:
• Capital cost - capital expenditures relative to the construction of installations with the same production capacity is much higher for hard chrome electroplating than for thermal spraying
• Background - process stability with well known properties and known limitations
Individual applications can be adapted to the material, depending on the specific requirements of corrosion, wear, service temperature or other factors. 2.4.
The tests showed that coatings exhibit fatigue properties equal to or better than the electrochemical chrome plating.
Conclusions The experimental research undertaken in this paper aimed to analyze the possibilities of extending the application of HVOF spray process for depositing layers with outstanding properties in wear and corrosion resistance, as an alternative to chrome electroplating.
• Background - process stability with well known properties and known limitations
Individual applications can be adapted to the material, depending on the specific requirements of corrosion, wear, service temperature or other factors. 2.4.
The tests showed that coatings exhibit fatigue properties equal to or better than the electrochemical chrome plating.
Conclusions The experimental research undertaken in this paper aimed to analyze the possibilities of extending the application of HVOF spray process for depositing layers with outstanding properties in wear and corrosion resistance, as an alternative to chrome electroplating.
Online since: April 2011
Authors: Bin Huang, Xian Ying Zeng
This experiment, based on the actual project example of Da-Liu Expressway, makes full use of such methods as in-site investigation, digital photographing, in-situ direct shear test of earth-rock aggregate to make deeply research on the mechanical properties of earth-rock aggregate under the condition of shear.
This kind of mechanical properties change of gravel soils makes the stability of slope change, which is out of the consideration of all methods for the slope stability.
We can see that wet and dry cycles will directly affect the shear strength and composition of stone, which inevitably makes soil gravel slope stability change.
When the earth-rock aggregate yields, its features of deformation mainly shows the material properties of soil or rock itself, that is, soil’s yield at first; however, the residual strength of the earth-rock aggregate has no significant decrease, showing distinct features of plastic flow .
(5) Through this experiment, we found that the attenuation law of shear strength with various factors.
This kind of mechanical properties change of gravel soils makes the stability of slope change, which is out of the consideration of all methods for the slope stability.
We can see that wet and dry cycles will directly affect the shear strength and composition of stone, which inevitably makes soil gravel slope stability change.
When the earth-rock aggregate yields, its features of deformation mainly shows the material properties of soil or rock itself, that is, soil’s yield at first; however, the residual strength of the earth-rock aggregate has no significant decrease, showing distinct features of plastic flow .
(5) Through this experiment, we found that the attenuation law of shear strength with various factors.
Online since: July 2012
Authors: Hong Wang, Xiao Shuang Men, Yu Xian Zhang
It is influenced by all kinds of factors as electricity, heat and machinery and surrounding environment, so it makes the performance degradation gradually, and lead to fault finally[1].
There are both slowly faults, mutational faults, and electrical faults and mechanical faults. at the same time there both linear system faults and a nonlinear system faults.
The Principles of Fault Diagnosis on Motor Devices The operation of motor devices is influenced by many factors, as the network voltage, load properties, installation environment and the quality of the product and so on.
It is effective for mechanical damage diagnosis particularly.
Motor fault diagnosis technology, Mechanical Industry press, Beijing, 1995
There are both slowly faults, mutational faults, and electrical faults and mechanical faults. at the same time there both linear system faults and a nonlinear system faults.
The Principles of Fault Diagnosis on Motor Devices The operation of motor devices is influenced by many factors, as the network voltage, load properties, installation environment and the quality of the product and so on.
It is effective for mechanical damage diagnosis particularly.
Motor fault diagnosis technology, Mechanical Industry press, Beijing, 1995
Online since: December 2024
Authors: Cerdan Solier Miguel Angel, Malena Serrano
Among other factors, these conditions contribute to making the construction industry one of the main contributors to environmental pollution worldwide [2].
Regarding this, [5] states that the material used in recycled concrete must be prepared and classified according to its properties.
Physical properties of natural aggregates.
Future research efforts should aim at accurately assessing the full potential of OHA, taking into account economic feasibility, mechanical properties, environmental impacts, and industrial applicability.
Mechanical Properties of Basalt-Based Recycled Aggregate Concrete for Jeju Island.
Regarding this, [5] states that the material used in recycled concrete must be prepared and classified according to its properties.
Physical properties of natural aggregates.
Future research efforts should aim at accurately assessing the full potential of OHA, taking into account economic feasibility, mechanical properties, environmental impacts, and industrial applicability.
Mechanical Properties of Basalt-Based Recycled Aggregate Concrete for Jeju Island.
Based on SolidWorks COSMOS 2.5 Tons, 4 m•s-1 High Speed Elevator Car Frame's Finite Element Analysis
Online since: April 2012
Authors: Xiang Guo Zhou, Ya Jun Wang, Yuan Bao, Feng Lu
The finite element analysis: transfer car frame 3D modeling into SolidWorks COSMOS Works environment, setting Material properties: Q235, Elastic modulus: E = 206, Poisson's ratio: µ = 0.3, Material density: ρ = 7850.The restriction condition and the exerted load are shown in figure 2, 3.
Fig. 14 Safety factor on Full load Fig. 15 Safety factor on Crash lead running by full load running Fig. 16 Safety factor on Eccentric Fig. 17 Safety factor on Crash lead load running by eccentric load running Safety Factor's Finite Element Analysis Results.
Observe safety factor cloud in the figure 14,15,16,17.
Safety factor meet enterprise standards of safety coefficient requirements.
In the strain cloud we observe the four typical working conditions show that straightness which have no affect on frame reach design requirements, In the safety factor cloud we observe four typical working conditions which certify intensity and stability of the car frame, The analyses result show that this scheme not only improve the safety of the car frame but also reduce the cost of the car frame's materials.
Fig. 14 Safety factor on Full load Fig. 15 Safety factor on Crash lead running by full load running Fig. 16 Safety factor on Eccentric Fig. 17 Safety factor on Crash lead load running by eccentric load running Safety Factor's Finite Element Analysis Results.
Observe safety factor cloud in the figure 14,15,16,17.
Safety factor meet enterprise standards of safety coefficient requirements.
In the strain cloud we observe the four typical working conditions show that straightness which have no affect on frame reach design requirements, In the safety factor cloud we observe four typical working conditions which certify intensity and stability of the car frame, The analyses result show that this scheme not only improve the safety of the car frame but also reduce the cost of the car frame's materials.
Online since: September 2013
Authors: Xiao Dong Hu, Hong Yang Zhao, Dong Ying Ju, Zhi Pu Pei
Introduction
Due to the rapid development of automobile and aircraft industry, magnesium and its alloys have drawn global attention because of the good properties, such as low density, high specific strength, excellent damping capacity and good electromagnetic shield abilities.
While most papers state the thermal distributes of molten pool, the microstructure of as-cast strips and their mechanical properties after rolling.
Few detailed the factors in molten zone and their influences on microstructure.
The initial microstructure generated during casing process will affect the microstructure and properties of the after strips.
While most papers state the thermal distributes of molten pool, the microstructure of as-cast strips and their mechanical properties after rolling.
Few detailed the factors in molten zone and their influences on microstructure.
The initial microstructure generated during casing process will affect the microstructure and properties of the after strips.