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Online since: October 2013
Authors: Hong Shan Wang, Wei Lin Xu
The fabric noise has been analyzed by cross-sectional shapes of fibers, fiber type and weaves to calculate objective factors affecting them [4-6].
Chunjeong Kim et al. [12] more in-depth analyzed the acoustic properties of vapor permeable water repellent fabric sounds generated by low-speed frictions (0.2 m/s and 0.5m/s) and investigated the relationships between the sound properties and the mechanical properties of the fabrics.
Recently, Cho et al. [13] [14] proposed a new model capable of predicting frictional sounds of woven fabrics, knitted fabrics and vapor permeable water repellent fabrics by measuring the relationships between their sound parameters and mechanical properties.
References [1] Bishop, D.P., Fabrics: Sensory and Mechancial Properties, Texitle Prog. 1996,26,1-57
Integrated graphical presentation of fabric sound and mechanical properties.
Chunjeong Kim et al. [12] more in-depth analyzed the acoustic properties of vapor permeable water repellent fabric sounds generated by low-speed frictions (0.2 m/s and 0.5m/s) and investigated the relationships between the sound properties and the mechanical properties of the fabrics.
Recently, Cho et al. [13] [14] proposed a new model capable of predicting frictional sounds of woven fabrics, knitted fabrics and vapor permeable water repellent fabrics by measuring the relationships between their sound parameters and mechanical properties.
References [1] Bishop, D.P., Fabrics: Sensory and Mechancial Properties, Texitle Prog. 1996,26,1-57
Integrated graphical presentation of fabric sound and mechanical properties.
Online since: May 2025
Authors: Annamária Polyákné Kovács, Tamás József Szabó, Solmaz Hajialilou, Yitbarek Firew Minale, Márton Tomin, Balázs Gyore
Apart from these factors, which often have a strong emotional and economical charge, a very complex field of polymer materials science unfolds in the mapping of this problem, the main pillars of which are polymer blends, filled polymer systems, physical and mechanical property modifications with additives, reinforcing materials or technologies (e.g., multi-component molding, foaming) [5].
Due to the factors listed above, physical or otherwise mechanical recycling cannot be interpreted as a separate discipline but can be seen as a border science of several topics [6,7].
This plastic belongs to the group of high-performance engineering materials and exhibits mechanical properties similar to those of polyamide 12 (PA 12).
Many other factors influence the flow index.
El-Shafiey, Mechanical and physical properties of eco-friendly recycled plastic concrete (RPC)," Journal of Building Engineering, vol. 97, p. 110907, 2024, doi: https://doi.org/10.1016/j.jobe.2024.110907
Due to the factors listed above, physical or otherwise mechanical recycling cannot be interpreted as a separate discipline but can be seen as a border science of several topics [6,7].
This plastic belongs to the group of high-performance engineering materials and exhibits mechanical properties similar to those of polyamide 12 (PA 12).
Many other factors influence the flow index.
El-Shafiey, Mechanical and physical properties of eco-friendly recycled plastic concrete (RPC)," Journal of Building Engineering, vol. 97, p. 110907, 2024, doi: https://doi.org/10.1016/j.jobe.2024.110907
Online since: June 2015
Authors: S. Senthilbabu, B.K. Vinayagam, J. Arunraj
Surface finish is an important factor to be taken into account in the drilling process.
Composite is a materials system composed of two or more physically distinct phases whose combination produces aggregate properties that are different from those of its constituents.
Nowadays, the utilization of metal matrix composites (MMC's) has increased in various areas of industry due to their excellent mechanical properties.
Because of these properties, AMC’s have the potential to replace the conventional materials in various fields of application such as automotive, aerospace, as well as in others advanced industries.
Yalamanchili, “Effect of Roughness as Determined by Atomic Force Microscopy on the Wetting Properties of PTFE Thin Films”, Polymer Engineering
Composite is a materials system composed of two or more physically distinct phases whose combination produces aggregate properties that are different from those of its constituents.
Nowadays, the utilization of metal matrix composites (MMC's) has increased in various areas of industry due to their excellent mechanical properties.
Because of these properties, AMC’s have the potential to replace the conventional materials in various fields of application such as automotive, aerospace, as well as in others advanced industries.
Yalamanchili, “Effect of Roughness as Determined by Atomic Force Microscopy on the Wetting Properties of PTFE Thin Films”, Polymer Engineering
Online since: July 2011
Authors: Li Rong Xiong
Introduction
In the automatic detection and classification system of egg quality [1] [2], the egg conveyor belt speed directly affects the detection of egg classification accuracy.
Speed control to electric transmission and control system is an important requirement As the main device from electrical energy to mechanical energy, the main work is to control and regulate the induction motor.
In practice, one is to make mechanical and electrical asynchronous motor with high energy conversion efficiency; the second is to adjust the rotation speed [3] based on the technological requirements of production machinery.
In the simulation the MATLAB high-level language is used, while its SMULINK toolbox is also be used to design the fuzzy control system [5], the design simulation model is shown in Figure 2 as follows: The system can be simplified to Fig 3: Figure 3 Simplified model of induction motor drive with In the Model, Transfer Fcn is the inverter transfer function; Transfer Fcn1 is the transfer function for the induction motor; Ke,is the input e; Kec,is the quantization factor and the Ku is the output scale factor.
Research on Detection & Classification of Egg’s Properties Non-destructivly [D].
Speed control to electric transmission and control system is an important requirement As the main device from electrical energy to mechanical energy, the main work is to control and regulate the induction motor.
In practice, one is to make mechanical and electrical asynchronous motor with high energy conversion efficiency; the second is to adjust the rotation speed [3] based on the technological requirements of production machinery.
In the simulation the MATLAB high-level language is used, while its SMULINK toolbox is also be used to design the fuzzy control system [5], the design simulation model is shown in Figure 2 as follows: The system can be simplified to Fig 3: Figure 3 Simplified model of induction motor drive with In the Model, Transfer Fcn is the inverter transfer function; Transfer Fcn1 is the transfer function for the induction motor; Ke,is the input e; Kec,is the quantization factor and the Ku is the output scale factor.
Research on Detection & Classification of Egg’s Properties Non-destructivly [D].
Online since: November 2016
Authors: V.V. Praveen, K.M. Peethambaran, T.D. John
The effect of post weld heat treatment on the microstructure and mechanical properties of friction stir welded 7039 aluminium alloy is also studied.
Indira Rani et al. [5] examined the mechanical properties of AA6351 using GTAW welding with non-pulsed and pulsed current at different frequencies.
Decline of Mechanical properties is observed at the Heat Affected Zone (HAZ) of the joints of the aluminium alloy, AA 5083 when welded with high current and less speed, because of high heat accumulation at the HAZ.
R.N. (2012), Effect of Pulsed Current Tig Welding Parameters on Mechanical Properties of J-Joint Strength of AA 6351, The International Journal of Engineering And Science (IJES), 1(1), 1-5
J. (2011), Effects of TIG Welding Parameters on Morphology and Mechanical Properties of Welded Joint of Ni-base Super alloy, Procedia Engineering, 10, 37-41.
Indira Rani et al. [5] examined the mechanical properties of AA6351 using GTAW welding with non-pulsed and pulsed current at different frequencies.
Decline of Mechanical properties is observed at the Heat Affected Zone (HAZ) of the joints of the aluminium alloy, AA 5083 when welded with high current and less speed, because of high heat accumulation at the HAZ.
R.N. (2012), Effect of Pulsed Current Tig Welding Parameters on Mechanical Properties of J-Joint Strength of AA 6351, The International Journal of Engineering And Science (IJES), 1(1), 1-5
J. (2011), Effects of TIG Welding Parameters on Morphology and Mechanical Properties of Welded Joint of Ni-base Super alloy, Procedia Engineering, 10, 37-41.
Online since: November 2013
Authors: Rui Mu, Cui Hua Ji
Research on the Synthetic of Silicone Emulsion
Rui Mu1,a,Cuihua Ji1,b
1School of Environmental and Chemical Engineering, Shenyang Ligong University,
Shenyang, 110159, China
amuruisy@163.com, bjchzls20050502@126.com
Keywords: Organosilicon, Silicone emulsion,Emulsion polymerization, release agents
Abstract: This study synthesized silicon emulsions by emulsion polymerization, mainly focused on how influencing factors including catalyst, emulsifier, reaction temperature and synthesis process could affect product conversion rate, appearance and molecular weight.
As no standard proportionality constant K and the expansion factor α is available for query after dissolving silicone polymer in tetrahydrofuran, the measured viscosity value of DY-V401 straight-chain vinyl silicone oil (= 1500) and dimethyl silicone oil (= 15000),whose relative molecular mass are known, could be applied to calculate out that proportionality constant K = 4.738 × 10-3 and the expansion factor α = 0.9687.
Excessive amount of emulsifier would create negative effect on water resistance, isolating properties and mechanical properties.
Excessive amount of emulsifier might generate negative influence on the reaction process and product properties.
Silicone-polyacrylate composite latex particles Particles formation and film properties[J].
As no standard proportionality constant K and the expansion factor α is available for query after dissolving silicone polymer in tetrahydrofuran, the measured viscosity value of DY-V401 straight-chain vinyl silicone oil (= 1500) and dimethyl silicone oil (= 15000),whose relative molecular mass are known, could be applied to calculate out that proportionality constant K = 4.738 × 10-3 and the expansion factor α = 0.9687.
Excessive amount of emulsifier would create negative effect on water resistance, isolating properties and mechanical properties.
Excessive amount of emulsifier might generate negative influence on the reaction process and product properties.
Silicone-polyacrylate composite latex particles Particles formation and film properties[J].
Online since: September 2011
Authors: Ping Yu, Dong Yu Liu, Yao Hua Wang, Zhi Hui Xiao
The magnitude of the exciting force affects directly the speed and depth of drilling.
ADAMS Software Profile ADAMS (Automatic Dynamic Analysis of Mechanical System) software is the most excellent dynamic simulation software of mechanical system, which is developed by American Mechanical Dynamics Inc.
According to the focus of this analysis, we can ignore some minor factors and retain some important factors.
Give each part of the top drive system corresponding materials and properties after the model is imported.
According to the material properties and volume of the three-dimensional model, quality properties are automatically generated.
ADAMS Software Profile ADAMS (Automatic Dynamic Analysis of Mechanical System) software is the most excellent dynamic simulation software of mechanical system, which is developed by American Mechanical Dynamics Inc.
According to the focus of this analysis, we can ignore some minor factors and retain some important factors.
Give each part of the top drive system corresponding materials and properties after the model is imported.
According to the material properties and volume of the three-dimensional model, quality properties are automatically generated.
Online since: April 2018
Authors: Tetsuo Oya, Takahiro Hayashi
Experiments to obtain the mechanical properties of CFRP are costly and time consuming.
In tensile deformation, it is considered that voids in the thermosetting resin affect the strength and formability.
It was confirmed that the occurrence of fiber kinking, which is an important factor in compressive fracture and formability of CFRP, varies depending on the GTN parameters. 5.
Compression analyses were carried out with a model considering the initial misalignment of the fiber and the ductility property of the resin by the GTN model.
On the basis of these numerical experiments, it was found that, by considering ductile properties of resin and fiber kinking affected by fiber-resin interaction, a microscale simulation with the GTN parameters is effective to analyze the strength and formability of CFRP sheets.
In tensile deformation, it is considered that voids in the thermosetting resin affect the strength and formability.
It was confirmed that the occurrence of fiber kinking, which is an important factor in compressive fracture and formability of CFRP, varies depending on the GTN parameters. 5.
Compression analyses were carried out with a model considering the initial misalignment of the fiber and the ductility property of the resin by the GTN model.
On the basis of these numerical experiments, it was found that, by considering ductile properties of resin and fiber kinking affected by fiber-resin interaction, a microscale simulation with the GTN parameters is effective to analyze the strength and formability of CFRP sheets.
Online since: January 2013
Authors: Shuang Wu, Shou Gen Zhao, Da Fang Wu, Xue Mei Yu
Later, ANNs were adopted to predict the mechanical properties of porous Ti-Ni SMA [6].
Titanium-Nickel (Ti-Ni) is the most important practical SMA with excellent mechanical properties.
The properties of SMA wires depend on many factors such as wire manufacturing, thermal history, pre-strain, strain rate, and whether or not being cycled [9].
The factors that affect the restrained recovery stress of SMAs were investigated to determine the number of neurons in the input layer.
Neural network prediction of mechanical properties of porous NiTi shape memory alloy.
Titanium-Nickel (Ti-Ni) is the most important practical SMA with excellent mechanical properties.
The properties of SMA wires depend on many factors such as wire manufacturing, thermal history, pre-strain, strain rate, and whether or not being cycled [9].
The factors that affect the restrained recovery stress of SMAs were investigated to determine the number of neurons in the input layer.
Neural network prediction of mechanical properties of porous NiTi shape memory alloy.
Online since: October 2015
Authors: Wasawat Nakkiew, Adirek Baisukhan, Somsak Limwongsakorn
Taguchi design of experiment method was used for determining testing conditions in order to investigate factors which affected to the residual stresses.
The properties of 304 stainless steel is shown in Table 1.
The model uses material properties temperatures at 20°C such as density of 7.9 Kg/dm3, melting temperature 1,450°C and the other properties on the temperature range used in Table 1.
Results showed that all four factors were statistically significant as Figure 3 (on the left) showed that the change in each main four factors affected to the response.
Kumar, S., “Effect of welding parameters on mechanical properties and optimization of pulsed TIG welding of Al-Mg-Si alloy ” Int J Adv Manuf Technol, vol. 42, no. 1-2, pp. 118-125, 2009/05/01, 2009
The properties of 304 stainless steel is shown in Table 1.
The model uses material properties temperatures at 20°C such as density of 7.9 Kg/dm3, melting temperature 1,450°C and the other properties on the temperature range used in Table 1.
Results showed that all four factors were statistically significant as Figure 3 (on the left) showed that the change in each main four factors affected to the response.
Kumar, S., “Effect of welding parameters on mechanical properties and optimization of pulsed TIG welding of Al-Mg-Si alloy ” Int J Adv Manuf Technol, vol. 42, no. 1-2, pp. 118-125, 2009/05/01, 2009