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Online since: June 2008
Authors: Enrique Otero, Álvaro Rico, Miguel Ángel Garrido-Maneiro, J. Rodríguez, Alicia Salazar
Size independent properties can be determined after considering
geometrical factors such as tip rounding and indenter deformation.
Nanostructured coatings show slightly better mechanical properties than conventional coatings.
Nanoindentation is a powerful tool to evaluate mechanical properties of thin films and coatings.
Mechanical properties were calculated through the experimental P - h curves using the Oliver and Pharr method.
- Nanostructured coatings show slightly better mechanical properties than conventional ones.
Nanostructured coatings show slightly better mechanical properties than conventional coatings.
Nanoindentation is a powerful tool to evaluate mechanical properties of thin films and coatings.
Mechanical properties were calculated through the experimental P - h curves using the Oliver and Pharr method.
- Nanostructured coatings show slightly better mechanical properties than conventional ones.
Online since: August 2013
Authors: Min He, Bin Wu, Xing Luo, Jian Bing Guo, Kai Zhou Zhang
The results showed that brominated flame retardant improved flame retardancy of LGFPP efficiently can be proved by TGA, and had less affected on mechanical properties.
The thermal stability behaviors, flame retardancy and mechanical properties of DB-AO on LGFPP were discussed.
The addition of DB-AO had less affected on mechanical properties of the composites, which are much better than IFR-LGFPP system.
The TGA, LOI, UL-94 and mechanical properties indicate that DB-AO has a effect on flame retardant LGFPP, and DB-AO (12wt%) of composites having the best properties.
Mechanical properties of long glass fiber-reinforced polypropylene composites and their influence factors.
The thermal stability behaviors, flame retardancy and mechanical properties of DB-AO on LGFPP were discussed.
The addition of DB-AO had less affected on mechanical properties of the composites, which are much better than IFR-LGFPP system.
The TGA, LOI, UL-94 and mechanical properties indicate that DB-AO has a effect on flame retardant LGFPP, and DB-AO (12wt%) of composites having the best properties.
Mechanical properties of long glass fiber-reinforced polypropylene composites and their influence factors.
Online since: December 2010
Authors: Jin Ye Niu, Liu Feng, Zhi Wei Chen
The microstructure and mechanical properties as a function of sintering temperature were investigated.
The experiment results indicate that the samples with a range of grain size from 300nm to700nm have high mechanical properties.
While, the mechanical properties are important for the ceramic tools.
The microstructure and mechanical properties as a function of sintering temperature have been investigated.
The porosity is one of the main defects which affect the material properties.
The experiment results indicate that the samples with a range of grain size from 300nm to700nm have high mechanical properties.
While, the mechanical properties are important for the ceramic tools.
The microstructure and mechanical properties as a function of sintering temperature have been investigated.
The porosity is one of the main defects which affect the material properties.
Online since: September 2014
Authors: Ri Dong Liao, Shi Yuan Hou, Zheng Kun Cheng
Then, relevant factors which may affect the process are studied, and some measures to enhance the threaded fitting reliability are proposed.
Thermo expansion coefficient and the high temperature mechanical properties of the joint material codetermine the format of variation of bolt tension. 3.2 Effect of preload Generally, increasing the preload of the joint is a practical approach to improve bolt tension at high temperature.
Therefore, the ratio of high temperature period of the total cycle time should be one of the main factors affecting the bolt tension variation.
Then the effects of relevant factors are investigated.
While bolt tension will be higher at low temperature for bolted joint that bolt expands more than the clamp parts do. 2) Residual bolt tension at high temperature is mainly determined by the yield state of the bolted joint, which is directly affected by the material mechanical properties at high temperature.
Thermo expansion coefficient and the high temperature mechanical properties of the joint material codetermine the format of variation of bolt tension. 3.2 Effect of preload Generally, increasing the preload of the joint is a practical approach to improve bolt tension at high temperature.
Therefore, the ratio of high temperature period of the total cycle time should be one of the main factors affecting the bolt tension variation.
Then the effects of relevant factors are investigated.
While bolt tension will be higher at low temperature for bolted joint that bolt expands more than the clamp parts do. 2) Residual bolt tension at high temperature is mainly determined by the yield state of the bolted joint, which is directly affected by the material mechanical properties at high temperature.
Online since: August 2025
Authors: Ulfa Annisa, Jatmoko Awali, Muthia Putri Darsini Lubis, Fikan Mubarok Rohimsyah
Hardfacing is one of the efforts that can be made to improve the mechanical properties and wear resistance of materials that allow them to be used in all conditions.
Some of the problems found in ship companies, especially on ship hulls, are a decrease in mechanical properties and wear due to external factors such as damage to the hull due to waves.
This research was conducted to determine the amount of mechanical properties produced in welding using the hardfacing process.
This research can produce materials that can be used in companies as new materials with high mechanical properties.
In addition, hardfacing, in which the base metal is covered using another metal to obtain a surface with different properties and dimensions, is usually applied to improve metal surface parameters such as surfaces with improved mechanical properties [3].
Some of the problems found in ship companies, especially on ship hulls, are a decrease in mechanical properties and wear due to external factors such as damage to the hull due to waves.
This research was conducted to determine the amount of mechanical properties produced in welding using the hardfacing process.
This research can produce materials that can be used in companies as new materials with high mechanical properties.
In addition, hardfacing, in which the base metal is covered using another metal to obtain a surface with different properties and dimensions, is usually applied to improve metal surface parameters such as surfaces with improved mechanical properties [3].
Online since: July 2011
Authors: Shi Feng Zhang, Jian Zhang Li, Ji Zhi Zhang, Xiao Ying Liu, Yong Lin Yang
The mechanical properties of plywood decreased more severely after accelerated aging test in acidic condition.
However, the influence of different curing catalyst contents on mechanical properties and formaldehyde emission of UF resin can be minimized by adding melamine to the resin.
The ingress of moisture could significantly decrease the strength properties[4], while hydrolysis of cured UF resin was a major factor affecting formaldehyde emission[5].
The experiment results showed that the durable mechanical properties of plywood were relational to the initial properties of UF resin but not the melamine contents, formaldehyde emission after accelerated aging test increased significantly and irregularly.
However, the influence of different curing catalyst contents on mechanical properties and formaldehyde emission of UF resin can be minimized by adding melamine to the resin.
However, the influence of different curing catalyst contents on mechanical properties and formaldehyde emission of UF resin can be minimized by adding melamine to the resin.
The ingress of moisture could significantly decrease the strength properties[4], while hydrolysis of cured UF resin was a major factor affecting formaldehyde emission[5].
The experiment results showed that the durable mechanical properties of plywood were relational to the initial properties of UF resin but not the melamine contents, formaldehyde emission after accelerated aging test increased significantly and irregularly.
However, the influence of different curing catalyst contents on mechanical properties and formaldehyde emission of UF resin can be minimized by adding melamine to the resin.
Online since: January 2013
Authors: Bao Lin Wu, Yu Hua Zhao, Li Zhang
As expected, the resultant composites exhibit promising mechanical properties at ambient temperature.
And the mechanical property could be improved through regulating the relative thickness of the Al-Ti intermetallics and Ti metal layers.□ Introduction The interfacial bonding between matrix and reinforcement significantly affects the property of Al matrix composites.
Many factors such as the morphology, size, and distribution of reinforcements all affect the performance of MMCs in material design and fabricating process.
And the elongation is 11%, which indicated that this Al-Ti composite has promising tensile mechanical properties.
As expected, the resultant composites fabricated at 620℃ exhibit promising mechanical properties at ambient temperature.
And the mechanical property could be improved through regulating the relative thickness of the Al-Ti intermetallics and Ti metal layers.□ Introduction The interfacial bonding between matrix and reinforcement significantly affects the property of Al matrix composites.
Many factors such as the morphology, size, and distribution of reinforcements all affect the performance of MMCs in material design and fabricating process.
And the elongation is 11%, which indicated that this Al-Ti composite has promising tensile mechanical properties.
As expected, the resultant composites fabricated at 620℃ exhibit promising mechanical properties at ambient temperature.
Online since: September 2013
Authors: Qun Liu, Xiang Wang, Xiao Dong Song
Abstract:Coarse-grained soil is widely used in subgrade engineering, creep property of which is the important factor that affects long-term settlement of fill embankment.
It turns out that moisture content is the important factor that affects creep property of sandy slate coarse-grained soil and using dry or saturated coarse-grained soil is able to decrease long-term settlement of embankment.
Creep of coarse-grained soil is resulted from compositive factors including category, moisture content, and depth of filling, etc.
In the past, researches on the factors that influence creep are mainly concentrated on rock[1], soft soil[2-3], loess[4] and expansive soil[5], etc, but few of them are about the study related to coarse-grained soil.
As for Viscosity Coefficient β(refer to Table2), the change regulation is similar to ε but not that obvious, for viscosity coefficient is the complex performance of mechanical property of coarse-grained soil creep.
It turns out that moisture content is the important factor that affects creep property of sandy slate coarse-grained soil and using dry or saturated coarse-grained soil is able to decrease long-term settlement of embankment.
Creep of coarse-grained soil is resulted from compositive factors including category, moisture content, and depth of filling, etc.
In the past, researches on the factors that influence creep are mainly concentrated on rock[1], soft soil[2-3], loess[4] and expansive soil[5], etc, but few of them are about the study related to coarse-grained soil.
As for Viscosity Coefficient β(refer to Table2), the change regulation is similar to ε but not that obvious, for viscosity coefficient is the complex performance of mechanical property of coarse-grained soil creep.
Online since: February 2011
Authors: Li Fen Zhou, Yu Qi Wu, Yu Yang Liu, Peng shao Yu Qi Wu
Wang et al [7] further confirmed this method through experiments and he considered that water-cement ratio was one of the main influencing factors on determining tmax.
It was considered that the orientation of steel fiber in concrete played a key role in affecting the variation of indexes.
Explosion induced thixotropy has many special characteristics as well as many influencing factors.
This paper gives an overview of the progress in research on explosion induced thixotropy from three aspects including explosion induced thixotropic behavior, structural properties and mechanical performances of concrete.
Zhou: Thixoforming and mechanical properties of steel fiber reinforced concrete subjected to explosive impact, Master Dissertation, China University of Mining and Technology (2009) [9] P.
It was considered that the orientation of steel fiber in concrete played a key role in affecting the variation of indexes.
Explosion induced thixotropy has many special characteristics as well as many influencing factors.
This paper gives an overview of the progress in research on explosion induced thixotropy from three aspects including explosion induced thixotropic behavior, structural properties and mechanical performances of concrete.
Zhou: Thixoforming and mechanical properties of steel fiber reinforced concrete subjected to explosive impact, Master Dissertation, China University of Mining and Technology (2009) [9] P.
Online since: November 2013
Authors: Bei Qing Huang, Ying Gong, Xian Fu Wei
It has been testified that the dispersion property is the major factor that influences the CP of the white water-based covering ink.
The variety of both pigments and resins, the ratio of pigment to resin are the key factors for the CP; the result also proves that different kind of dispersants and contents are also important factors that influence the dispersion property.
The component part of ink is the most important factor to the CP of white ink.
Dispersity is one of the important factors that affect the CP of ink.
While resin plays a decisive role for dispersity of ink, the ratio of pigment to resin is also a factor that affects the dispersity.
The variety of both pigments and resins, the ratio of pigment to resin are the key factors for the CP; the result also proves that different kind of dispersants and contents are also important factors that influence the dispersion property.
The component part of ink is the most important factor to the CP of white ink.
Dispersity is one of the important factors that affect the CP of ink.
While resin plays a decisive role for dispersity of ink, the ratio of pigment to resin is also a factor that affects the dispersity.