Search results

Intrinsic factors refer to ones that are decided by the components' properties, such as their material, the structure design parameters etc; while the latter, environmental factors, are not decided by the products or system but the environment.
Intrinsic factors 1) Material properties.
Environmental factors 3) Lubrication properties.
The set of evaluation factors includes all possible factors that may affect the evaluation target.
As described in section "Tribo-maintainability factors", tribo-maintainability evaluating factors are selected as: 1u = Material properties, 2u = Surface properties, 3u = Lubrication properties, 4u = Working conditions, 5u = Contact conditions, 6u = Tribological condition monitoring.

In addition, high arch dam reservoir basin deformation is a dynamic process of continuous change with time, and the affecting factors such as the water pressure is also in constant change.
In this dynamic process, with changes of the high arch dam reservoir basin deformation itself and their influence factors, the factors affecting the changes of high arch dam reservoir basin deformation will be altered.
The importance of each affecting factor is changing, and the weight distribution is a dynamic process.
Based on the above analysis, this paper adopts the analytic hierarchy process as an example to analyze the weights of the high arch dam reservoir basin deformation affecting factors [4].
If consider the larger boundary conditions of the dam foundation, then changes in the restraint properties is smaller for the stress and displacement of the dam and rock foundation.

The temperature distribution, macrostructure and microstructure, mechanical properties of the joint were studied along three dimensions (transverse direction, longitudinal direction, thickness direction).
In fact, some authors showed the microstructure in the weld nugget zone to undergo a continuous dynamic recrystallization process [9], leading to elevated mechanical properties.
More in detail, during FS Welding the work piece does not reach the melting point and the mechanical properties in terms of ductility and strength of the welded zone are expected to improve if compared to the classical welding techniques [11].
Jung, The improvement of mechanical properties of friction-stir-welded A356 Al alloy, Materials Scienceand Engineering A355 (2003) 154–159
Jahazi, Microstructure and tensile properties of friction stir welded AZ31B magnesium alloy, Materials Science and Engineering A 472 (2008) 179–186

Based on data analysis, the dynamical mechanical behavior of concrete with high temperature is affected by not only the strain rate effect whose influence keeps on decreasing with temperature increasing, but also the high temperature weakening effect.
Meanwhile, experimental research on dynamic strength of concrete under normal temperature has long been conducted at home and abroad, based on the results, dynamic mechanical capability of concrete is extremely complex, and the main factor which makes mechanical behavior of dynamic loading concrete is significantly different from that under quasi-static circumstance is strain rate sensitive effect, and physical parameters such as dynamic fracture strain, secant Young’s modulus, Poisson ratio also change[3{TTP}12289 ,4].
According to the investigation, research findings in allusion to dynamic properties of concrete with high temperature are still rare.
In this paper, with the experimental system of high-temperature split Hopkinson pressure bar (SHPB) and microwave heating technique, a set of high temperature SHPB experiment technique is designed, multiple sets of tests at high and normal temperature are carried out, then the effect of temperature and loading velocity on mechanical properties are analyzed and compared, finally dynamical stress-strain curves of concrete with high temperature are obtained, and dynamical mechanical behavior is analyzed. 2 The SHPB experiment techniques of concrete with high temperature Mixing proportion of materials in concrete specimens is Portland cement: sand: gravel: water = 1:0.951:2.326:0.41 (weight ratio), in which the strength grade of Portland cement is 42.5MPa, diameter of gravel is 5 to 8mm.
At temperatures below 600 ℃{TTP}8451 , the peak stress of concrete improves with the strain rate increasing under the same temperature, while at the same strain rate, the peak stress declines with temperature increasing; namely, it shows the significant strain rate effect and temperature effect in the dynamic mechanical properties of concrete with high temperature.

According to the present study, application of the physical and mechanical properties of carbon nanotubes to NR can result in rubber products which have improved mechanical, physical and chemical properties.
In this work, morphology and mechanical properties of ENR/MWCNT nanocomposites were investigated.
Results and discussion The state of dispersion, which significantly affects the electrical and mechanical properties of the material, can be evidenced by FESEM and AFM analysis of the composites.
Another factor considered important on the mechanical properties is the aspect ratio; if the aspect ratio is high the strength of the material will increase.
Because the resistivity is very sensitive to any change in filler distribution, electrical properties of composite filled with conductive particles should be affected by a mechanical deformation.

The mechanical properties are shown in Table 2.
Mechanical properties of used materials.
This study evaluated how such variations in tightening force affect the fatigue life of diaphragms.
First, fretting fatigue was identified as the dominant failure mode, particularly affecting the upper diaphragm layer, which experienced the earliest damage.
[5] Tsutomu Ito, Kenji Okada, Masaki Onosaka, Akiyoshi Sakaida, Kazutaka Mukoyama, Koushu Hanaki, Yuki Nakamura, Jun Takahashi and Tatsuo Sakai, “Statistical Estimation of S-N Curves for High-Strength Steels Based on Their Static Mechanical Properties”, Journal of the Society of Materials Science Japan, Vol. 68, No. 3, 2019, pp. 258-264

Physical properties (humidity, density, temperature), the range of values of which depends on the engineering and design, operating conditions that affect the mechanical properties (angle of internal friction, specific adhesion) – the ability to resist fracture.
Most scientists attribute to the factors of instability precisely the properties of waste and the structural features of the structure of the disposal facility, as well as external ones, such as an earthquake, excessive precipitation, recycling of leachate, earthworks, fire, explosion of biogas, and the like.
Slope geometry is one of the determining factors affecting the geotechnical properties of waste and slope stability [12].
Mechanical properties (angle of internal friction, specific adhesion) – according to DSTU B V.2.1-4-96 (GOST 12248-96) “Bases and foundations of buildings and structures.
Carvalhod Mechanical Properties of Municipal Solid Waste.

Mechanical Properties.
Results and Discussion Mechanical Properties.
Thus, it can be concluded that dispersion of nanoclays is an important factor that can directly affect the mechanical properties of the developed bio-nanocomposite films.
Concentration affected dispersibility of the nanoclays and is a critical factor that determined the mechanical and barrier performances of the films.
Varlet, Mechanical properties of clay-reinforced polyamide, J.

The data were analyzed by using ANOVA to screen the parameters affecting the antioxidant activity of films.
Edible films with good mechanical properties can replace synthetic packaging films [1].
Structural, mechanical and barrier properties of active PLA–antioxidant films.
Effects of synthetic phenolic antioxidants on physical, structural, mechanical and barrier properties of poly lactic acid film.
Antimicrobial, mechanical and barrier properties of triticale protein films incorporated with oregano essential oil.

In this paper, the formation, characterization, properties and applications of nanoemulsions are reviewed and summarized.
Particle size and surface properties of droplets of nanoemulsion plays an important factor in the biological behavior of the formulation.
The properties of an emulsion depend on a variety of factors.
They have unique optical and rheological properties compared to microscale emulsions.
Julian Mc Clements, “ Formation of nanoemulsions stabilized by model food-grade emulsifiers using high-pressure homogenization: Factors affecting particle size,” Elsevier B.V., vol 25, 2011, pp 1000-1008