Search results

The machining surface integrity had important influence on fatigue property of TC21 titanium alloy, which caused by the differences of surface roughness and texture as the dominant factors, and then the variation in surface micro-hardness, metallographic microstructure and the surface residual stress were not the main factors on three above-mentioned machining methods.
The result of the mechanics properties for the TC21 titanium alloy was measured, which was given in Table 2.
So surface layer metallurgical structure alternation is not significant factor affecting on fatigue life of parts, then longitudinal polishing after finish turning will enhance strength on fatigue property of parts.
By this token, surface residual stress is not the main factor affecting the fatigue life of TC21 titanium alloy.
(2)The machining surface integrity had important influence on fatigue property of TC21 titanium alloy, which caused by the differences of surface roughness and texture as the dominant factors, and the variation in surface micro-hardness, metallographic microstructure and the surface residual stress were not the main factors on three above-mentioned machining methods.

The Effects of Filler Glasses on Mechanical Properties of Concrete M.
The factor affecting physical and mechanical properties and chemical endurance of concrete is the amount of structural pores, which form within its structure.
Therefore, employing glasses as an additive in concrete can improve the final mechanical properties.
Improvement in concrete strength has generally meant the better mechanical properties of concrete.
The physical properties and mix proportion are given in Table 1.

Mechanical Properties of Aluminium-Alumina Welding by Friction Welding Tummasook Mingmuang1,a, Sukangkana Lee.2,b and Chawalit Thinvongpituk3,c 1, 2 Department of Industrial Engineering.
The factors that affecting the friction welding process are often mentioned, there are five main variables include rotation speed, forge pressure, friction pressure, friction time and forge time.
These variables influence the properties of welding, especially in the metal to metal welding.
Thus, this research aims to study effect of feed rate on mechanical properties of welding interface.
Ismail Microstructure and mechanical properties of alumina-6061 aluminum alloy joined by friction welding.

The joint quality can be defined in terms of properties such as weld bead geometry and mechanical properties.
Olcay Ersel Canyurt [6] has developed the GA based Welding Strength Estimation Model (GAWSEM) to estimate the mechanical properties of the welded joint for the brass materials.
The chemical composition (wt %) of base plate and electrode wire, 3.15 mm diameter (AWS A/S 5.17: EH 14) is shown in table (1) and the mechanical properties of the test plates are given in table 2.
Based on the pilot study results, current, traverse speed and stickout are identified as the control factors and the levels of the factors are decided.
Normalization of responses When the range of the series is too large, it will cause the influence of some factors to be ignored.

CFST Arch Bridge under pressure mainly stability is one of the key factors restricting its development.
Most of the arch of instability belongs to the second type of instability, and that the non-linear deformation of the structure is nonlinear state, the mechanical properties of the structure also change from elastic state into nonlinear state.
In this paper, based on nonlinear and stability theory and using the finite element software ANSYS, parameters of affecting the main arch stability were studied.
As a predominantly compressive structure, the stability of CFST Arch Bridge becomes one of the key factors restricting its development.
Influencing Factors The influence of width-span ratio.

There are many influencing factors affect the mechanical properties of C/C composites, including carbon fiber content, kinds of matrix carbon, interface and additives, etc. [5, 6].
To research the mechanical properties and fracture behavior, the mechanical properties of C/C composites are generally measured by Interlaminar Shear Strength (ILSS) [7, 8].
The composite has good mechanical properties.
Effect of carbon fiber surface functional groups on the mechanical properties of carbon/carbon composites with HTT.
Microstructure and mechanical properties of carbon/carbon composites with multilayered pyrocarbon matrix.

Ash particles input to the surface of soil leads to the decrease in their antierosion properties.
Physical and mechanical properties of soils and artiindustrates are determined by standard methods [6].
While violations affecting the AY and BM horizons, a number of coarse-silt fractions is increased in the grain texture composition and the content of the clay is significantly reduced.
Coalescence of the particles does not exceed 0.0002 kg cm-2 vs. in the brown soils this factor is 0.28 to 0.33 kg cm-2.
Stepanova: Physical and mechanical properties of technogenic surface formations and assessment of their anti-erosion resistance: monograph (Far-Eastern Federal University Press, Vladivostok 2012)

Artificial aging was found to play a pivotal role in enhancing the mechanical properties of FSW joints.
The mechanical properties of the WZ and heat-affected zone (HAZ) often differ significantly from those of the base material, which contributes to the weakening of welded joints.
Among these, tool design plays a crucial role in heat generation and material flow in the plasticized state, thereby affecting the mechanical performance of the joint [3].
Mechanical properties of Base Metal.
Microstructure and mechanical properties of friction stir welded powder metallurgy AA2024 alloy.

Experimental Investigation of Mechanical Properties and Effect of Porosity on Epoxy Granite Composite S.
Regression analysis was applied to establish the empirical relation between inherent properties and mechanical properties.
The mechanical properties was examined on concrete porous and found that it is extensively influenced by the internal formation of porosity.
Factors Influencing Epoxy Granite Composites Main factors which influence the epoxy granite and their levels are decided based on the literature and the two factors fixed for this research work are composition by weight% and aggregate size are 70:30, 80:20 and 90:10 for aggregate sizes of T1, T3 and T4 specimens.
[11] Xu, H et al, Characterization of rock mechanical properties using lab tests and numerical interpretation model of well logs.

Several factors affect the DMLS component's quality.
Defects are caused by undesirable factors.
Figure 7 provides a graphical representation of how different process factors affect build time.
The most significant factor affecting build time is the hatching distance, which is followed by scanning speed and laser power. 2.
Microstructure and mechanical properties of wrought and additive manufactured Ti-6Al-4 V cylindrical bars.