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Process parameters in aluminium extrusion technology are key points that influence product properties.
In general the extrudate should have uniform mechanical properties through the thickness and along the length with no surface flaws such as tearing, die lines and coarse grains.
A Lagrangian method is adopted for the program, which can thus accurately define the material properties, state variables and boundary conditions.
Sommitsch, "Substructure development of AA6082 during hot deformation", Aluminium Alloys, Their Physical and Mechanical Properties, J.
E, Donati L, Tomesani L, "Effect of Pocket Shape in the Extrusion of Aluminium Profiles", Aluminium Alloys, Their Physical and Mechanical Properties, Hirsch, J, Skrotzki, B, Gottstein, G (eds.) vol. 1, (2008) pp. 1387-1393 [8] F.

Introduction The superior properties of titanium and its alloys on account of their good mechanical properties, excellent corrosion resistant, biocompatibility and relatively low density have been well known to be potentially very excellent metallic alloys for bioimplant applications.
However, like most metals, titanium and its alloys exhibit poor osteoinductive properties because of their bioinert feature [1].
The characteristics of deposited TiO2 oxide film on the surface of biomaterial implant are mostly affected by the electrolyte solution, the electrical potential difference imposed between cathode and anode and the current imposed to reach the value of potential difference during the fabrication of deposition. [5-7].
Sun et al. reported that applied voltage and processing time are important factors to prepare hydroxyapatite at a higher voltage of the anodic process (micro-arc-oxidation) [14].
The increase CA molarity affected the appearance of the precipitated Ca-P crystals on the surface of hydrothermally treated specimens.

Hereby the commercial simulation code of ANSYS CFX was employed to determine the properties of the cylinder and the valve.
This affects both the quality of cutting edges of shearing, the mechanical properties in the deep drawing such as local necking or wrinkling, as well as the maximum achievable drawing ratios.
The performance of the cylinder i.e. maximum force amplitude and frequency of oscillation depends mainly on the properties of the valve.
Anhören Umschrift In order to determine the properties of the valve a computational fluid dynamics simulation has been done using the commercial code of ANSYS CFX.
Mechanical Engineering Science, Vol. 219 (2005), p. 83-91 [6] M.

The performance of these masonries relies on their monolithic behaviour rather than on the mechanical properties of their individual elements.
This vulnerability under certain types of loads is due to several factors, such as: absence of cohesion between the external elements i.e. poor transversal bonds between the leaves of the wall and weakness of the inner core.
Moreover, flow time is also reduced with the increase of water/binder ratio; nevertheless this can lead to a worsening of hardened grout by reducing its mechanical properties.
Correlation between flow tests and rheological properties.
Therefore, further experimental research is needed to know how the differences in the properties between the present NHL and other NHLs might affect the modelling results.

Theoretical Analyses of Vibration and Sound Radiation Responses of Heated Symmetric Laminated Plates in Pre- and Post-Buckling Ranges Wei Li, Qian Geng and Yue Ming Li a * State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi’an Jiaotong University, Xi’an, 710049, People’s Republic of China a liyueming@mail.xjtu.edu.cn Keywords: Laminated plate, Dynamic response, Thermal buckling.
Thickness of the facing layers is 2 mm, and material properties are Young’s modulus 210 GPa, Poisson’s ratio 0.27, mass density 7850 kg/m3, and thermal expansion coefficient 10-5 K-1.
All the material properties are considered to be temperature independent. 0 oC is defined as the reference temperature which represents the state without thermal influence.
Affected by the two effects, the increment of frequency suggests that the stiffening effect of thermal load plays the leading role.
Thermal environment performs as two opposite factors before and after buckling.

Citation & Copyright (to be inserted by the publisher) Measurement of Monodisperse Particle Charge in DC Plasma Kang-Ho Ahn 1, Jang-Sik Han 2 and Gon-Ho Kim 3 1, 2 Department of Mechanical Engineering 3 Department of Applied Physics Hanyang University, 1271 Sa 1-dong, Ansan, 425-791, Korea Keywords: Number of Charge, Charge measurement, Magnetized plasma, Al2O3 particles Abstract.
However, their research results were sometimes unrealistic or did not measure the particle size distributions and its concentrations, which are obviously very important factors on particle charging.
In this research, the known size and known concentration of particles are introduced into a plasma chamber and the plasma properties and the single particle charge are measured in the magnetized and unmagnetized DC plasma to understand the particle charging characteristics.
The plasma properties are measured with house made Langmuir probe which has 6.2mm diameter tantalum disk at the tip of the probe.
The measurement also shows that the magnetic field strongly affects on the particle charging.

Keywords: PbTiO3, PbTi0.8O2.6, sol-hydrothermal, hydrothermal Introduction PbTiO3 is a very important perovskite ceramic possessing excellent piezoelectric, pyroelectric, ferroelectric and electro-optical properties, which makes it widely used in the fabrication of high frequency filters, pyroelectric infrared detectors, delay lines and oscillators [1,2,3].
Hydrothermal reactions were preformed using a 200ml stainless steel Telflon-lined autoclave with a magnetically driven stirrer as reaction temperature was above 100 oC, whereas common glass instruments and mechanical stirrer were needed as the reaction temperature is below 100 oC.
Fig.2 XRD patterns showing the influence of reaction temperature on PbTiO3 products synthesized by two methods (A) hydrothermal 100-160 oC 24h (B) sol-hydrothermal 60-160 o C 24h Temperature is one of the critical factors both in sol-hydrothermal and hydrothermal synthesis.
Compared with hydrothermal, sol treatment has affected the final products.
Vol 6 (1993), p. 1033 [12] Li Xiaobing: Preparation, Structure and Properties of Poezoelectric Ceramics and Piezoelectric Composites (Beijing University of Aeronautics and Astronautics Doctor Dissertation, China, 2002)

Calculation Method of Curvature Radius and Bending Deformation of Titanium Alloy under Multiple Laser Shocks Ran Zhu1,a, Yongkang Zhang2,b, Guifang Sun1,c*, PuLi1,d, Boyong Su1, Xu Pei1, Yong Zhao3 and Jianyun Huang3 1School of Mechanical Engineering, Southeast University, Nanjing, Jiangsu 211189, P.R.
The presence of large compressive residual stress beneath the treated surface contributes to improve fatigue, corrosion and wear resistance properties of metallic components[2-4].LSP has wide applications in the manufacturing industry of engines, boats, cars and planes [5].
However, the treatment may also affect other aspects of the component, such as bending deformation of metal component processed by LSP.
The principle of LSP process A literature review[6-8] is carried out to predict deformation for LSP through experiment trials, which are expensive, time-consuming and unreliable due to the factors arising from setting up the LSP process.
Since the eigenstrain is mainly related to the process parameters, material properties, and the specimen thickness in the LSP process, the simulation results of the LSP induced eigenstrains presented in the present paper refer to a 18mm*18mm*3mm square shaped samples.

The design of dynamic mechanical feeding system mainly considers two kinds of forms: One uses the linear guide way and a platform to realize intermittent feeding.
Meanwhile, the vibration problems generated by the frictional resistance will affect the measurement accuracy.
And improve the rigidity of the system can reduce the vibration and eliminate the individual impact factor’s influence on the stability of measurement process [9].
Friction is not the intrinsic material properties, but the response of a rubbing pair; the same object in different rubbing pair show different friction.
If considering these aspects only, all the platforms are feasible, but there are other factors should be considered.

Intelligent distributed power distribution system has the function of UPS, EPS, stabilized voltage, power factor compensation and transformer isolation at the same time.
Its optical properties and energy saving effect are better than the light now often used.
Without affecting the safe operation of traffic, making full use of that clean energy is also a new and great economic application field
(2) Wind-solar hybrid power generation Wind and solar energy both are renewable energy, and both subject to various factors such as season, climate, geography, weather, and so on. 
(3) Vibration power generation Bridge or road mechanical vibrations caused by rolling of vehicle contain enormous energy.