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Non-linear Donnell´s theory for cylindrical shell is used to derive the equation of motion (the displacement in the radial direction): (1) Where is the flexural rigidity, c is damping factor, E is Young´s modulus, the density of the pipe and is the applied force to the pipe surface.
By replacing the mechanical properties of the pipe and fluid in the equations and using the ODE tool of MATLAB software, the pipe vibration at different points was calculated.
On the other hand the acoustic properties of the signal transmitter structure can affect the amplitude of the generated AE signals.
Mechanical systems & Signal processing Vol. 21 (2005), p. 1103-1114 [7] M.

It produces tremendous amount of heat energy during the reaction which surpasses all the available energy sources by a factor of hundredths to millions.
Discovery of palladium’s rare property was first made in nineteenth century by Thomas Graham which paved the way for initiation of intense studies.
Soon, saturation level is reached and mechanical stress is generated in the lattice.
Several solid material properties have been also been proposed to be part of NAE.
Summary LENR possesses potential of revolutionizing our power generation and storage sector besides affecting energy-driven automobile, aviation industry, robotics, interstellar probes, etc.

It was a combination of factors that brought down the towers.
Their study revealed that the PEF performance of steel frames was affected by the lateral deformation caused by the seismic ground motion [1].
In order to consider the effects of damages to the structural elements during the earthquake, degradation of material mechanical properties and heat penetration due to cracks, were considered for the post-earthquake fire analysis [2].
Conclusions Multi-hazards have occurred in various structures frequently, result in life and property loss, and led to serious damage even complete collapse of structures.

Introduction Recrystallization texture, which develops after annealing treatment in metal materials, depends on two factors: one is the orientation of recrystallized nuclei, the other one is that growth rate of different oriented grains is various.
The extent of recovery that occurs prior to recrystallization affects directly nucleation and growth of the recrystallizing nuclei.
And for this reason, recovery is often measured indirectly by some bulk technique, for example by following the change in some physical or mechanical property.
It is obvious that the recovery treatment of the cold-rolled sheet affected the recrystallization texture of nickel.

Thus the precipitation of MX particles plays an important role in controlling the final microstructure and hence the properties of the products, and it is essential to understand the mechanisms of precipitation during the hot rolling of microalloyed steels.
The necessity of such a “dislocation density factor” is therefore removed.
Deformation affects precipitation kinetics via its effect on the number of potential nucleation sites.
However there are many factors not yet considered which would improve matters further: - Particle coarsening needs to be included as the reduction in the number of precipitates would lead to a slowing-down in the precipitation kinetics, especially the completion time.
Schillé: Modelling High Temperature Mechanical Properties and Microstructure Evolution in Ni-based Superalloys, Internal report, Sente Software Ltd. (2008) - Dislocation pipe diffusion has not been included but, depending on temperature, could contribute to the precipitation growth and coarsening via accelerated diffusion process

Exchange of uncertain process properties A model, called “uncertainty data type” (UDT), for the representation of uncertain product and process properties in the field of mechanical engineering is introduced in [5].
A reasonable amount of the state properties refers to product properties.
Thus, the state properties describe the product properties in the course of the product life cycle.
Other uncertainties like the sensitivity of the force sensors, the clearance fit between leg and hole, varying length of the legs due to tolerances in manufacturing process etc. have been recognized as influencing factors on the load distribution in tripod.
The handling of uncertainty is a problem which affects the whole product life cycle and different stakeholders.

It also produces better surface integrity and compress residual stress, which improves the properties of work metals such as fatigue.
To illustrate the effect of high-pressure jet assisted machining on the properties of the work piece of Ti-6-Al-4V and the depth profile of its residual stress, X -ray defractometer was used.
A combination of mechanical and thermal affect the residual stresses induced by machining operatins.
In service, this damage can lead to a great degradation of properties such as fatigue strength and stress corrosion resistance.
Thus, optimum properties usually are achieved during machining of titanium.

Dyuzheva, Comparative studies of mechanical properties of stishovite and sapphire single crystals by nanoindentation, J.
Loboda, Study of mechanical properties of LaB6 single crystal by nanoindentation, J.
Tkach, Mechanical properties of HfB2 whiskers, J.
Pharr, Measurement of mechanical properties by ultra-low load indentation, Mater.
Wolf, Inference of mechanical properties from instrumented depth sensing indentation at tiny loads and indentation depths, Cryst.

Chandrasekaran1,c 1PG scholar, Department of Mechanical Engg., PEC, Chandigarh, India 2Assistant Professor, Department of Mechanical Engg.
The workpiece material of Ti-6Al-4V was choosen as elasto-plastic behaviour with its properties represented in Table 1.
Table 1 Mechanical and Physical properties of Ti-6Al-4V.
Properties Value Density 4.43 Elastic module 110 Tensile strength 931 Yield strength 862 Elongation 14 Thermal conductivity at 20°C 7.3 Specific heat at 20°C 79 Hardness 340 The Johnson-Cook [10]. model is employed for the characteization of material deforamtion behaviour due to its easy accesable in FE codes which is represented by Eq. 1
According to sticking-sliding model i.e., sticking governed by shear model and sliding governed by Coulomb model, the shear friction factor was set to 0.85.

Titanium and its alloys are the main metals studied as porous metallic implants by their excellent mechanical properties and biological interactions.
Introduction Biomaterials based on titanium and its alloys are widely used in orthopedics and dentistry due to their excellent mechanical properties and biological interaction.
The porous polymeric systems face the same difficulties in relation to mechanical stress, this has led to more intense research for the processing of metals, especially titanium [1,3].
This characteristic indicates that the thermal treatment up to 500°C does not affect the oxidation of the metal and provides a good operating range (Fig.1 C2).
The topography of the implant is a factor that directly influences the quality and success of osseointegration, thus the implant surface roughness is a desirable feature and with PM to achieve it, there is no need of further processing to obtain it, as needed for surface treatments.