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Online since: December 2014
Authors: Peter Michalik, Zuzana Hutyrová, Michal Hatala, Ján Duplák, Svtelana Radchenko, Jozef Mihok
As a result it affects the final properties of a composite (formation of “air” bubbles between hydrophilic and hydrophobic part is prevented by adding coupling agents.
Coupling agents addition does not significantly affects increase of flexural elasticity but with increasing amount of wooden flour its value increases too) [1], [2], [3], [4].
Examined components are displayed in various intensities – as two-dimensional images in grey level (depending on absorption properties of material).
With respect to the process of manufacturing and material composition itself (content of several components with various properties) it is not possible to sufficiently ensure the compatibility.
Ballerini: Some of properties of wood-plastic composites, Proceedings of the 51th International Convention of Society of Wood Science and Technology (2008), p.1 [4] Z.
Coupling agents addition does not significantly affects increase of flexural elasticity but with increasing amount of wooden flour its value increases too) [1], [2], [3], [4].
Examined components are displayed in various intensities – as two-dimensional images in grey level (depending on absorption properties of material).
With respect to the process of manufacturing and material composition itself (content of several components with various properties) it is not possible to sufficiently ensure the compatibility.
Ballerini: Some of properties of wood-plastic composites, Proceedings of the 51th International Convention of Society of Wood Science and Technology (2008), p.1 [4] Z.
Online since: January 2022
Authors: Tao Long, Ya Ya Zheng, Bing Hui Luo
Changing the percentage of elements of the main elements Mg and Si will change the structure and properties of the alloy.
At present, for Al-Mg-Si alloys, the optimization of the Mg/Si ratio in the alloy has not been solved, and the effect ofMg and Si content on the recrystallized structure and corrosion properties is still unclear.
In addition, although Al-Mg-Si alloy has good corrosion resistance, factors such as improper heat treatment and Mg/Si mass ratio will increase the corrosion sensitivity [13,14].Now, many works mainly focuses on the effect of the addition of trace elements on the properties of highly alloyed Al-Mg-Si alloys, there are few studies research on the electrochemical performanceof Al-Mg-Si alloys.
Therefore, this paperstudies focus on by changing on the alloy structure and corrosion properties by changing the content of Mg and Si ratio, various aging state of Al-Mg-Si series alloys.
The consequences of the mechanical environment of peripheral arteries for nitinol stenting[J].
At present, for Al-Mg-Si alloys, the optimization of the Mg/Si ratio in the alloy has not been solved, and the effect ofMg and Si content on the recrystallized structure and corrosion properties is still unclear.
In addition, although Al-Mg-Si alloy has good corrosion resistance, factors such as improper heat treatment and Mg/Si mass ratio will increase the corrosion sensitivity [13,14].Now, many works mainly focuses on the effect of the addition of trace elements on the properties of highly alloyed Al-Mg-Si alloys, there are few studies research on the electrochemical performanceof Al-Mg-Si alloys.
Therefore, this paperstudies focus on by changing on the alloy structure and corrosion properties by changing the content of Mg and Si ratio, various aging state of Al-Mg-Si series alloys.
The consequences of the mechanical environment of peripheral arteries for nitinol stenting[J].
Online since: November 2013
Authors: Mohamad Rusop, M. Maryam, M.S. Shamsudin, M.J. Salifairus
A whole new era of intense research and experimental exploration began after the discovery of carbon nanotubes (CNT) to understand their unique physical and electronic properties.
Since mechanical properties, elastic properties and thermal properties also are strongly influenced by phonons, micro-Raman spectra provide much general information about the structure and properties of CNT.
In this paper, we point out an important factor that affects the growth of CNT.
[6] Gouadec G, Colomban P., Raman spectroscopy of nanomaterials: how spectra relate to disorder, particle size and mechanical properties, Progress in Crystal Growth and Characterization of Materials 53 (2007) 1-56
[9] Barick AK, Tripathy DK., Preparation, characterization and properties of acid functionalized multi-walled carbon nanotube reinforced thermoplastic polyurethane nanocomposites, Materials Science and Engineering B 176 (2011) 1435-1447
Since mechanical properties, elastic properties and thermal properties also are strongly influenced by phonons, micro-Raman spectra provide much general information about the structure and properties of CNT.
In this paper, we point out an important factor that affects the growth of CNT.
[6] Gouadec G, Colomban P., Raman spectroscopy of nanomaterials: how spectra relate to disorder, particle size and mechanical properties, Progress in Crystal Growth and Characterization of Materials 53 (2007) 1-56
[9] Barick AK, Tripathy DK., Preparation, characterization and properties of acid functionalized multi-walled carbon nanotube reinforced thermoplastic polyurethane nanocomposites, Materials Science and Engineering B 176 (2011) 1435-1447
Online since: July 2013
Authors: S.K. Tripathi
The defects can play a variety of electronically active roles that affect the electrical, structural and optical properties of a semiconductor.
The degradation of the mechanical properties of the UV irradiated fibers is stronger in the presence of the moisture.
Se-Te Laser induced Optical properties [46] 16.
As2Se3 UV exposure Optical Properties [75] 44.
Domonad, Gamma stimulated changes of mechanical properties of chalcogenide glasses, J.
The degradation of the mechanical properties of the UV irradiated fibers is stronger in the presence of the moisture.
Se-Te Laser induced Optical properties [46] 16.
As2Se3 UV exposure Optical Properties [75] 44.
Domonad, Gamma stimulated changes of mechanical properties of chalcogenide glasses, J.
Online since: February 2012
Authors: Saeed Adibnazari, Samaneh Tashi, Romik Khajehtourian
The material properties are specified at the centroid of each finite element.
The shear modulus variation is the most effective factor on contact stress distribution.
References [1] Ibrahim, H., Tawfik, M., Al-Ajmi, M., 2006: Aero-thermo-mechanical characteristic of functionally graded material panels with temperature dependent material properties.
International Journal of Mechanical Sciences 49, 161–182
Two dimensional contact mechanics of functionally graded materials with arbitrary variations of material properties.
The shear modulus variation is the most effective factor on contact stress distribution.
References [1] Ibrahim, H., Tawfik, M., Al-Ajmi, M., 2006: Aero-thermo-mechanical characteristic of functionally graded material panels with temperature dependent material properties.
International Journal of Mechanical Sciences 49, 161–182
Two dimensional contact mechanics of functionally graded materials with arbitrary variations of material properties.
Online since: July 2015
Authors: K. Velmanirajan, R.S. Abinesh, S. Manoharan, K. Anuradha, R. Karunakaran, J. Pakia Selvi, Partheeban Partheeban
It has been tested for the mechanical and physical property requirements.
The factors that influenced the compressive test include; the material, its methods of preparation, speed of testing, void content, time and temperature.
Remaining elements are found to be very small in quantity so those elements will not affect much in deciding the chemical property of the material.
If the body possesses no such properties then it will undergo differential stress due to the varying thermal property of different phases.
The stresses will depend on the elastic properties, deformation and expansion coefficients of the component.
The factors that influenced the compressive test include; the material, its methods of preparation, speed of testing, void content, time and temperature.
Remaining elements are found to be very small in quantity so those elements will not affect much in deciding the chemical property of the material.
If the body possesses no such properties then it will undergo differential stress due to the varying thermal property of different phases.
The stresses will depend on the elastic properties, deformation and expansion coefficients of the component.
Online since: May 2004
Authors: Harald Schmidt, E. Tkalcec, R. Rein, H. Ivankovic
Introduction
Mullite is a promising candidate for advanced structural and functional ceramics because of its good
thermo-mechanical properties, excellent creep resistance and good chemical and oxidation
resistance [1].
Results and Discussion Depending on the starting materials and the methods applied, the synthesized precursors have different properties, which in turn affect the resulting properties of the ceramics.
The microstructure evolution in mullite ceramics is largely dependent upon a number of factors (as in any sintering process), including the properties of precursors, calcination conditions, post-calcinations treatment and the green body forming methods.
Because of that, the differences in the microstructure of the sintered bodies seen in Fig. 3 could be correlated with the precursor properties, moreover, with the crystalline form and particle size of alumina source in the precursors.
Conclusion Clear differences were found in the microstructure and properties of diphasic precursor with pseudoboehmite as the alumina source in comparison to the precursor with boehmite as alumina source.
Results and Discussion Depending on the starting materials and the methods applied, the synthesized precursors have different properties, which in turn affect the resulting properties of the ceramics.
The microstructure evolution in mullite ceramics is largely dependent upon a number of factors (as in any sintering process), including the properties of precursors, calcination conditions, post-calcinations treatment and the green body forming methods.
Because of that, the differences in the microstructure of the sintered bodies seen in Fig. 3 could be correlated with the precursor properties, moreover, with the crystalline form and particle size of alumina source in the precursors.
Conclusion Clear differences were found in the microstructure and properties of diphasic precursor with pseudoboehmite as the alumina source in comparison to the precursor with boehmite as alumina source.
Online since: January 2012
Authors: Ming Chen, Peng Ju He, Peng Zhang
Embedded computers and networks monitor and control the medical processes, usually with feedback loops where medical processes affect computations and vice versa.
Introduction With the advent of embedded system and real-time system [1, 2, 3], miniaturization of electronic circuits, wired and wireless sensor networks [4], virtual instrument [5], grid computing, and new materials and manufacturing processes, older generations of mechanical and analog electromechanical devices used in patient diagnosis, monitoring, and treatment have largely been replaced by devices and systems based on information technologies across the diverse array of contemporary medical devices.
In this architecture, sensor and actuator units are tightly coupled with a higher level control unit, and timing properties are carefully measured at each system level so that control loops perform correctly (both functionally and temporally).
Thus, it is worth taking a closer look at human society to identify the factors that make the system successful.
Introduction With the advent of embedded system and real-time system [1, 2, 3], miniaturization of electronic circuits, wired and wireless sensor networks [4], virtual instrument [5], grid computing, and new materials and manufacturing processes, older generations of mechanical and analog electromechanical devices used in patient diagnosis, monitoring, and treatment have largely been replaced by devices and systems based on information technologies across the diverse array of contemporary medical devices.
In this architecture, sensor and actuator units are tightly coupled with a higher level control unit, and timing properties are carefully measured at each system level so that control loops perform correctly (both functionally and temporally).
Thus, it is worth taking a closer look at human society to identify the factors that make the system successful.
Online since: January 2013
Authors: Guo Jing He, Sen Zhi Ren
The quality of products was the use value of the product and its properties, and quality of work was a guarantee of product quality, which directly relating to the quality of products reflected the level of assurance of product quality.[2] [3]
It was the life-chain of the construction enterprise survival and development that relying on the product quality to erect enterprise's reputation, relying on the reputation to extend market and relying on efficiency to seek development.
But these areas were important parts of the affected the quality of perception, reflecting the key parts of the construction management and operation technology, these details would be the finishing touch on the entire construction project quality results.
Reasonable arrangements for cross-job, one was to rationalize the process to address the order of construction, did not affect the quality of construction; the second was to rationalize the time and space to ensure the project necessary technical break; three was to rationalize manpower to ensure that the duration.
Conclusions In short, the construction enterprise project quality management is a systematic project, each operating workers involved at all levels of the enterprise management and project construction site, building products coupled with a long production cycle, impact of factors such as the characteristics of the natural environment, determines the quality management difficult.
Building Industry Press, Beijing: China, 2004 [2] Wang Zuhe, Project quality management, Mechanical Industry Press, Beijing: China, 2009 [3] Xiu Guoyi and Na Na, Project quality management, Electronics Industry Press, Beijing: China, 2011 [4] Xue Chunhua and Shu Xiansong, Discussion on the quality management of Building Enterprises, Chengshi jianshe yu shangye wangdian,2010(10) [5] Zhou Jianhua, One shortcoming can destroy all admiration, Reliability reports,2006(6)
But these areas were important parts of the affected the quality of perception, reflecting the key parts of the construction management and operation technology, these details would be the finishing touch on the entire construction project quality results.
Reasonable arrangements for cross-job, one was to rationalize the process to address the order of construction, did not affect the quality of construction; the second was to rationalize the time and space to ensure the project necessary technical break; three was to rationalize manpower to ensure that the duration.
Conclusions In short, the construction enterprise project quality management is a systematic project, each operating workers involved at all levels of the enterprise management and project construction site, building products coupled with a long production cycle, impact of factors such as the characteristics of the natural environment, determines the quality management difficult.
Building Industry Press, Beijing: China, 2004 [2] Wang Zuhe, Project quality management, Mechanical Industry Press, Beijing: China, 2009 [3] Xiu Guoyi and Na Na, Project quality management, Electronics Industry Press, Beijing: China, 2011 [4] Xue Chunhua and Shu Xiansong, Discussion on the quality management of Building Enterprises, Chengshi jianshe yu shangye wangdian,2010(10) [5] Zhou Jianhua, One shortcoming can destroy all admiration, Reliability reports,2006(6)
Online since: March 2012
Authors: Chang Jiang Pan, Yu Dong Nie, Yun Xiao Dong
Introduction
Titanium and its alloy have been widely used in biomaterials due to their excellent mechanical and anticorrosive properties and biocompatibility [1].
To this end, some extracellular matrix proteins or growth factors were grafted on titanium surface [5].
The stamp type also affect the pattern replications.
Overall, the present study demonstrated that the proteins inked on the stamps can be easily covalently microcontact printed onto the aldehyde-modified titanium surface to create protein patterns, and the microstructure dimensions of the stamps can obviously affect the pattern replications.
To this end, some extracellular matrix proteins or growth factors were grafted on titanium surface [5].
The stamp type also affect the pattern replications.
Overall, the present study demonstrated that the proteins inked on the stamps can be easily covalently microcontact printed onto the aldehyde-modified titanium surface to create protein patterns, and the microstructure dimensions of the stamps can obviously affect the pattern replications.