Search results

aaulia007@gmail.com, bzulk@fke.utm.my, cyanzarief@fke.utm.my, dfendi@fke.utm.my, emariatti@eng.usm.my Keywords: linear low density polyethylene, natural rubber, nano titania, partial discharge Abstract – Studies on mechanical properties of linear low density polyethylene (LLDPE) and natural rubber (NR) added by fillers such as carbon black, silica and calcium carbonate show an improvement in the mechanical properties.
In contrast to the prediction, the results show that the PD pattern is negatively affected by nano titania particles, where no improvement was noted with a certain amount of w% of nano silica.
Partial discharge, one of the most important factors leading to the breakdown in electrical insulation has drawn tremendous attention by researchers worldwide.
Through the incorporation of nanofillers in polymer matrices, it could enhance the partial discharge properties of the insulation materials.

(Thermo Mechanical Control Processing) has been widely used to improve plastic formability in steel strips.
Drawability is one of steel strip properties which control press forming and affected by density of {111} preferred orientations.
Prediction of the antiridging properties required continuously analyzing the hot-rolling, hot-rolling and annealing, cold-rolling, and cold-rolling and annealing textures.
The initial Taylor factor of b.c.c. crystals is 2.75[29].
Needless to say, the Taylor factor is approximately inversed to the Schmid factor.

The mechanical properties of the welds were also found to be insensitive to relatively large changes in welding parameters.
Liao, Microstructure characterization and mechanical properties of linear fiction welded Ti-6Al-4V alloy, Advanced Eng.
Nogi, Effect of tool shape on mechanical properties and microstructure of friction stir welded aluminum alloys, Mat.
Lei, Mechanical properties of underwater friction stir welded 2219 aluminum alloy, Trans.
Mukhopadhyay, Microstructure and mechanical properties of friction stir welded copper, J Mater Sci (2007) 42:8126–8129

As shown in experiments, the size of fragments of primary carbides affects the properties of the matrix after heat treatment and the precipitation of secondary carbides.
The above properties are conditional on achieving a very fine structure.
As shown below, it is secondary carbides which control the resulting properties.
As they govern the above-named properties, they should to be analysed thoroughly.
Many factors play a role here, the most important ones being the lighting, good specimen preparation and the quality of the imaging equipment.

When we established the model, according to the structure and the work characteristics of the universal joint, maintaining its mechanical properties, The components which are not involved in power transmission and details of solid form which influence on contact situation lightly are ignored.
According to the material properties of the joint, in the Engineering Data module of ANSYS Workbench, define the universal joint material property, set as shown in table 1.
In order to facilitate research, on the premise of ensuring not to affect the analysis of structure, assume that the input shaft is the axis of the cylindrical shell, and the output shaft is the three pivots.
The fatigue life simulation analysis According to the selected materials, refering to the mechanical engineering material performance data handbook, enter the material S-N curve, and input the scaling factor of constant amplitude alternating stress load.
Accordingly, the safety factor of the needles, three pivots and spherical rings is relatively low when universal joint is under variable load conditions.

It can get from the analysis that the double-position structure and certain amount of interface are key factors to keep HSK high radial positioning accuracy and stiffness.
So it is necessary to analyze the contact stress and size to get how the amount of interference affects the radial position accuracy.
Fig 9 The measurement of standard radial stiffness Fig 10 The radial stiffness curve of HSK by measurement Conclusion The radial positioning accuracy and stiffness are two important factors concerning about the coupling performance of HSK tool system.
Ai: Chinese Mechanical Engineering, (2004), p. 391-394 [3] G.
Wang, et al: Chinese Mechanical Engineering, Vol.16 (2005), p. 2179-2183.

The implant materials are chosen considering the properties required for the intended purpose.
The impact of processes, implant handling, sterilization type, and storage conditions, as well as any (chemical, electrochemical, thermal, mechanical, etc.) processing applied to the surface of the implant or its part to change its properties, are considered.
Choosing these materials is determined by the following factors: high-strength biocompatible metal alloys such as stainless steel and cobalt and chromium alloys are inert to living tissues.
The following mechanical properties of the VT1-0 bar material have been obtained: elasticity modulus (Young's modulus, E) – 103,170 MPa; tensile strength (sB) – 504-518 MPa; offset yield stress (s0.2) – 395-402 MPa; relative elongation (d) – 22-30 %; relative contraction (y) – 55-61 %; hardness – 50.5-51.5 HRA.
Batalov, Prospects of using titanium implants with predetermined osteogenic properties, Hir.

Most importantly, the transparency and resistivity properties of the DLC films can be tailored to approaching diamond by adjusting substrates bias and volume C2H2, is important to many applications, which is improve film properties.
Which are important factors that can determine these properties to be suitable for applications in various forms Depending on the process of film synthesis and many elements that come as variables.
Therefore, in this paper, the study of the transmission properties and electrical properties of DLC film using the film synthesis process with ECR-CVD system with different conditions.
Theory Optical transmission properties use the T92+(pg instrument) as a dual beam type machine.
Affect the ID/IG ratio.

Theoretical analysis and experimental research on the ray trajectories, assembly situation and polarized properties of light were carried out.
In this paper, a 3D FEM has been established to analyze modulation depth in many aspects such as structure, prism material, assembly craft and polarized properties.
By using the finite element method, the practical refractive index change and the propagation properties under the continuous varying stress could be obtained.
The analysis of output light’s characteristic is mainly concentrated in polarized properties.
Polarized light properties analysis.

Partial results of studies to determine the influence of various factors on the effects of modifications are presented Introduction In a concrete element in a dry and hot climate many processes, that influence each other, occur at the same time.
Over time, as a result of hydration progress, the hardening concrete acquires mechanical properties (its strength increases).
It can be concluded from the above, that a proper thermal care is becoming one of the key factors that determine the obtainment of durable monolithic concrete construction.
Further studies are aimed to determine the impact of significance of factors such as: output temperature of concrete mix, slab thickness, dosage level of PCM, characteristic of daily cycles of curing conditions, etc.
Parhizkar “Internal curing of high strength self consolidating concrete by saturated lightweight aggregate - effects on material properties”.