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Online since: October 2020
Authors: Sugiman Sugiman, Paryanto Dwi Setyawan, Atin Martino, Buan Anshari
However, in general, the mechanical properties were much lower than that of the neat unsaturated polyester resin properties [11, 13].
So, one of the attempts to improve the mechanical properties is by adding low-cost inorganic filler, such as CaCO3.
Nevertheless, in general, the mechanical properties at the VF of 20% were still lower than that of at the VF of 30%.
This caused more decreasing the mechanical properties of the composites.
As a result, it could more decrease the composites mechanical properties.
So, one of the attempts to improve the mechanical properties is by adding low-cost inorganic filler, such as CaCO3.
Nevertheless, in general, the mechanical properties at the VF of 20% were still lower than that of at the VF of 30%.
This caused more decreasing the mechanical properties of the composites.
As a result, it could more decrease the composites mechanical properties.
Online since: December 2012
Authors: Li Ming Song, Yu Wei Li, Liu Xiong Xu, Xin Feng Zhang, Jian Zhang
The behaviors of tuna purse seine during fishing operation are often affected by many factors such as currents, hydrodynamic force, vessel properties, engine power, and fish type, etc.
However, the inertial mass coefficient of net was always ignored, which might be a key factor to affect the sinking performance of a tuna purse seine in the sea water.
Mechanical Modeling The mechanical decomposition of forces acting on a mesh bar is as in Fig. 2(a).
The actual inertial mass coefficient of tuna purse seine under sea water might be affected by many factors (such as the density of netting materials, modulus of netting elasticity, sinkers and water currents).
Anyhow, the present study illustrated that the inertial mass coefficient was a key factor to affect the sinking and stability of knotless purse seine net under sea water.
However, the inertial mass coefficient of net was always ignored, which might be a key factor to affect the sinking performance of a tuna purse seine in the sea water.
Mechanical Modeling The mechanical decomposition of forces acting on a mesh bar is as in Fig. 2(a).
The actual inertial mass coefficient of tuna purse seine under sea water might be affected by many factors (such as the density of netting materials, modulus of netting elasticity, sinkers and water currents).
Anyhow, the present study illustrated that the inertial mass coefficient was a key factor to affect the sinking and stability of knotless purse seine net under sea water.
Online since: September 2007
Authors: Y.H. Fu, Lan Cai, Yun Wang, Z.Y. Xu
It presents the
influence of various factors affecting the textured workpiece performance together with the
investigations into tribology of textured components.
The topographical surface of textured roll can be transferred into the steel sheet surface, and their mechanical, physical and mechanical properties can be enhanced.
This method has the advantages of high efficiency and improved mechanical properties of the material.
This is mainly carried out by understanding the interrelationship between the various factors affecting the process and identifying the optimal machining condition from the infinite number of combinations.
Chemical and Physical Properties of Laser-Modified Polymers.
The topographical surface of textured roll can be transferred into the steel sheet surface, and their mechanical, physical and mechanical properties can be enhanced.
This method has the advantages of high efficiency and improved mechanical properties of the material.
This is mainly carried out by understanding the interrelationship between the various factors affecting the process and identifying the optimal machining condition from the infinite number of combinations.
Chemical and Physical Properties of Laser-Modified Polymers.
Online since: June 2015
Authors: K. Palanikumar, Jeswin Arputhabalan
Processing Techniques
The processing techniques and process parameters are other important factors that significantly affect the properties and characteristics of biocomposites.
Fiber loading is a major factor that affects the strength and stiffness of the natural fiber polymer composites.
Processing technique and fibre orientation angle affecting the mechanical properties of E-glass reinforced wood/PVC composites.
Process related mechanical properties of press molded natural fiber reinforced polymers.
Effect of processing variables on the mechanical properties of sisal fibre reinforced polypropylene composites.
Fiber loading is a major factor that affects the strength and stiffness of the natural fiber polymer composites.
Processing technique and fibre orientation angle affecting the mechanical properties of E-glass reinforced wood/PVC composites.
Process related mechanical properties of press molded natural fiber reinforced polymers.
Effect of processing variables on the mechanical properties of sisal fibre reinforced polypropylene composites.
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: January 2016
Authors: Eva Vejmelková, Monika Čáchová, Dana Koňáková, Jaroslava Koťátková
Studied properties are presented by means of water vapour diffusion coefficient, water vapour diffusion resistance factor and absorption coefficient respectively.
The natural pozzolana, namely natural zeolite (NZ), is used as supplementary cementitious material which affects the durability properties of the end product.
Many degrading factors are connected with the permeability of the material [1,2].
Water vapour transport properties.
Černý, High performance concrete containing lower slag amount: A complex view of mechanical and durability properties, Construction and Building Materials 29(6) (2009) 2237-2245
The natural pozzolana, namely natural zeolite (NZ), is used as supplementary cementitious material which affects the durability properties of the end product.
Many degrading factors are connected with the permeability of the material [1,2].
Water vapour transport properties.
Černý, High performance concrete containing lower slag amount: A complex view of mechanical and durability properties, Construction and Building Materials 29(6) (2009) 2237-2245
Online since: January 2011
Authors: Jian Hui Zhang, Xin Chen
The structure and property of pyrocarbon varies widely with different deposition conditions.
Therefore, the properties of pyrocarbon coatings will be sensitively dependent on deposition conditions[1,4-6].
The major factor affecting coating hardness is the matrix density and silicon content of deposits.
Summary The major factors influencing deposited LTI pyrocarbon, generally used as artificial heart valve components, are bed temperature, gas composition and total gas flow rate in fluidized bed.
Total gas flow rate affects the formation of fluidizing bed.
Therefore, the properties of pyrocarbon coatings will be sensitively dependent on deposition conditions[1,4-6].
The major factor affecting coating hardness is the matrix density and silicon content of deposits.
Summary The major factors influencing deposited LTI pyrocarbon, generally used as artificial heart valve components, are bed temperature, gas composition and total gas flow rate in fluidized bed.
Total gas flow rate affects the formation of fluidizing bed.
Online since: December 2011
Authors: Li Ping, Wang Ying
Corrosion Behavior and Mechanical Properties of
Reinforcing Bar HRB400 in NaCl Solution
Ping Li1, a, Ying Wang1
1Department of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China
aeappol@163.com
Key Words: Reinforcing bar, Corrosion behavior, Corrosion rate, Mechanical properties
Abstract: The corrosion behavior of reinforcing bar HRB400 in simulated concrete solution (0.5 wt.% NaCl solution) was investigated, and its tensile mechanical properties were tested before and after corrosion.
The corrosion of reinforcing bar is one of main factors to affect the duration of concrete structure, which has attracted people’s extensive attention.
There are two important factors to lead to the corrosion of reinforcing bar [1]: one is the carbonization of concrete, and the other is the inrush of chloride.
The self quality of concrete structure is also one of the main factors to cause the corrosion of reinforcing bar.
The tensile mechanical properties, including yield strength, tensile strength and elongation, are tested by a hydraulic pressure universal testing machine.
The corrosion of reinforcing bar is one of main factors to affect the duration of concrete structure, which has attracted people’s extensive attention.
There are two important factors to lead to the corrosion of reinforcing bar [1]: one is the carbonization of concrete, and the other is the inrush of chloride.
The self quality of concrete structure is also one of the main factors to cause the corrosion of reinforcing bar.
The tensile mechanical properties, including yield strength, tensile strength and elongation, are tested by a hydraulic pressure universal testing machine.
Online since: February 2021
Authors: Awad A. Al-Rashdi, Sam Sung Ting, Nik Noriman Zulkepli, Abdulkader M. Alakrach, Taha Alqadi, Mohammed Abdulhakim Al Saadi, Omar S. Dahham
Polylactic Acid/Halloysite Nanotubes-Titanium Dioxide Nanocomposites: Antibacterial and Mechanical Properties
Abdulkader M.
Properties.
Polylactic acid (PLA) nanocomposite samples with different properties like mechanical, thermal, barrier and antibacterial properties are good candidates as packaging biomaterials.
It was established that it could be to achieve competitive thin films with amazing mechanical properties.
Bodmeier, Process and formulation factors affecting drug release from pellets coated with Ethylcellulose pseudolatex Aquacoat.
Properties.
Polylactic acid (PLA) nanocomposite samples with different properties like mechanical, thermal, barrier and antibacterial properties are good candidates as packaging biomaterials.
It was established that it could be to achieve competitive thin films with amazing mechanical properties.
Bodmeier, Process and formulation factors affecting drug release from pellets coated with Ethylcellulose pseudolatex Aquacoat.
Online since: October 2014
Authors: Xiao Fei Xiao, Wei Ya Hao
The surface-athlete interaction has been identified as a possible factor that may affect the risk of injury.
Based on mechanical properties of standard mat, coefficients of stiffness, dampness and friction were adjusted.
Significant difference and correlations were found between mechanical properties of mat and GRF.
This study demonstrated that computer simulation was a useful method for discriminating different mechanical properties of landing mats and their effect on GRF and helpful to understand interaction between mechanical properties of mat and gymnast during landing.
In fact, strong evidence relating mechanical properties of mat and risk of injury was still missing in the literature.
Based on mechanical properties of standard mat, coefficients of stiffness, dampness and friction were adjusted.
Significant difference and correlations were found between mechanical properties of mat and GRF.
This study demonstrated that computer simulation was a useful method for discriminating different mechanical properties of landing mats and their effect on GRF and helpful to understand interaction between mechanical properties of mat and gymnast during landing.
In fact, strong evidence relating mechanical properties of mat and risk of injury was still missing in the literature.