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Lukács1,c 1University of Miskolc, Department of Mechanical Technology.
During the analysis, the main factors considered were the stresses (mechanical, thermal and environmental) and loads, which have effect on cleaning pigs during its operation.
Another important factor is that we can avoid unnecessary costs by omitting unnecessary inspection activities [7].
These stresses or effects are as follows: Mechanical effects: 1. depends on the extent of the overlap → non-steady loads; 2. difference of pressure between the two sides → distributed load on surface; 3. bending moments affect on individual points of the disks → bending stress; 4. bending → shear stress; 5. on contact surface with the inner wall of the pipe → friction → torsion stress → tangential stress.
The investigated discs and calculation of the relative wear For the selection of the adequate cleaning disc of a cleaning pig for a given pipeline the following parameters should be considered: mechanical properties (especially hardness), diameter, thickness, geometry of the outer edge, material grade and operating temperature.

The results showed that the spinning technology with suction groove can be significantly improved ramie yarn properties: hairiness and breaking strength etc.
Four factors and three levels orthogonal test analysis method is adopted for compact yarn.
Yarn properties are compared and analyzed between conventional yarn and compact yarn, for example: hairiness, breaking strength, elongation etc.
A B C D Y Spindle speed r/min Twisting T/m Negative pressure /kPa Traveler /# Hairiness index of 4mm length 1 1 1 1 1 15.12 2 1 2 2 2 18.48 3 1 3 3 3 19.91 4 2 1 2 3 19.17 5 2 2 3 1 23.32 6 2 3 1 2 23.77 7 3 1 3 2 19.95 8 3 2 2 3 22.58 9 3 3 1 1 19.09 Range analysis In the Table 3, the spindle speed and twisting are the most important factor affecting the condensing effect and has the most obvious effect on yarn quality.
The negative pressure and traveler are general factor, but there is little difference among them.

Surface braiding angle is a important index for affecting the 3d braided composites, usually, braided angle within 15°- 25°called small braiding angle, and the specimen with braided angle 20°are the most representative of small braiding angle specimens.
When the braiding angle is larger, the events are more and the acoustic emission waveforms are gentle, so the mechanical properties of materials are more unstable [6-10].
Due to the influence of various factors, the event counts of parameters analysis only rough record the activity of the source acoustic emission.
It is provided a good basis for mechanical properties of 3D braided composites and a good guarantee on acoustic emission sources in the research. 4.
Acoustic emission analysis of the flexural and tensile properties of 3-D braided composite materials[J].Journal of Textile Research.2007,28(4):52-55

However, the mechanical properties of the alloy are closely dependent on the coarse second-phase particles (1-10 μm in diameter) [5,6], which derived from the presence of impurity elements, such as Fe, Mn and Si.
Most of the above studies have focused on the effect of the content and size of the Fe-rich phase on the mechanical properties and corrosion performance of the aluminum alloy.
In the following, the microstructure and mechanical properties of the three experimental alloys will be considered to find a more accurate model to describe the fracture toughness of high-strength Al-Zn-Mg-Cu alloys.
The shape factors of the Fe-rich phases, and the deviations of the distributions, are superimposed into Eq. (1) by data fitting.
Rosenfield, Metallurgical factors affecting fracture toughness of aluminum alloys, Metall.

This study presents a strongly non-linear model that attempts to account for all these factors.
The tank must be heavily post-tensioned, which, due to the small radius of curvature, may require ultra-high performance concrete mechanical properties, regardless the necessities that may be derived from the action of the content.
Hence, a greater heterogeneity will appear due to the temperature-dependent mechanical properties of the concrete and possibly causing the unfeasibility of the structure for transmitting an unpermitted temperature to the tendons.
This study aims to show relevance of the behavior of the duct transmitting the force at the post-tensionig stage, during which it becomes a key factor in order to determine the minimum mechanical properties for concrete that are necessary for the design.
There is no thick material affecting this connection and, opposite to the reinforcement bars, there are no ribs that may produce concrete crack in the vicinity of the interface leading to a mechanical slip strength.

The performance of MWFs depends on properties such as specific heat, viscosity, density and thermal conductivity.
On the other hand, MWFs are associated with formation of liquid aerosols (mists) that represents two types of occupational risk factors for machine operators - chemical and biological.
The cooling and flowing properties are better while the lubricating ability is poorer than in the soluble oils. 4.
Atomization is a purely mechanical process.
There are, however, multiple confounding factors that work to modify the conclusion that there were increases in stomach cancer [12].

However, even though AgNWs have been successfully synthesized using various methods, there are still some shortcomings, especially in terms of deformation, mechanical properties, and low electrical properties.
Outside of the ranges, IR radiation is strongly attenuated due to the roles of H2O and CO2 vapour in both scattering and absorption phenomena [38], [39] It has been reported that AgNWs is one of material that show good infrared light absorption properties and also can affect as treatment to find out more about mechanical, optical, and other properties of AgNWs [40].
It's not surprising to find that environmental factors like humidity and temperature strongly correlated with the UV-induced degradation.
Pei, “Effect of Quenching Processes on Microstructure and Mechanical Properties of a High Strength Steel,” IOP Conf.
Bansal et al., “Influence of quenching strategy on phase transformation and mechanical properties of low alloy steel,” Mater.

The results showed that transformation temperature (Af) lowered oral temperature (37oC), this was mainly attributed to the superelastic properties that can be taken into orthodontic applications.
Introduction TiNi shape memory alloy has found extensive applications in the field of surgery and medical appliances etc. [1], because of its excellent corrosion resistance and biocompatibility, fantastic shape memory effect (SME) and superelastic properties.
TiNi is the most widely used material in treatment compared with other alloys because it has excellent properties.
Coefficient of friction during orthodontic treatment is a key factor in determining the force systems required for tooth movement.
Consequently, in this study, the properties of materials were evaluated at oral temperature.

Parametric Analysis Mechanical Properties of Bolted Joints Dazhao Yu1, a, Yueliang Chen2, b, Zhonghu Jia1, Yong Gao1 and Wenlin Liu1 1 Department of Airborne Vehicle, Naval Aeronautical and Astronautical University, Yantai, Shandong, 264001, China 2 Qingdao Branch, Naval Aeronautical and Astronautical University, Qingdao, Shandong, 266041, China a ytyudazhao@yahoo.com.cn, bcly0532@sina.com Keywords: Bolted Joints, Optimal Design, Finite Element Analysis, Contact Stress, Interference Abstract.
Issues in modeling the contact between the joint parts, which affect the accuracy and efficiency of the model, were presented.
Three-dimensional finite element analysis was also used to study the effects of different parameters on the mechanical behaviour of single lap bolted joints.
Due to factors such as bolt bending and tilting, bolt pre-load and secondary bending, stresses and strains in bolted joints vary three-dimensionally[1,2].
Typical material properties for LY12CZ clad aluminum, Young' modulus of 69.6GPa, Poisson's ratio of 0.33 used in the analysis.

Effect of Extrusion Ratio on Fatigue Properties of Hot-extruded Magnesium Alloys S.
Many papers [1-2] on fatigue properties of magnesium alloys have been reported so far.
Two different extrusion ratios, R =10 and R=100 were employed in the present study to clarify effect of the extrusion ratio on fatigue properties of the material.
The stress concentration factor was 1.04.
aY.K a πσ041=∆ (1) where, 1.04 is a stress concentration factor due to specimen notch, Y is a correction factor (=0.73), and a is a half crack length.