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It is single-piece production, so the various factors affecting the precision need be fully considered during designing.
In order to stimulating the mechanical behavior and stress distribution of screws to the greatest extent, the connection parts between the U frame and the screw or the nut are set touch and connect, and then the nonlinear contact model is analyzed [3,4].
The relevant material parameters for the U frame of the simulation turntable is shown as in table 1, and in the table the connecting screws are M12 standard steel screws which mechanical property is 8.8.
While assurance factor is selected 1.5, admissible stress is 154Mpa.
Vol. 34(4) (2007), p. 23 [2] Xia Wei-ming, Zhang xiang, Yang Xiao-jun: Machinery Design & Manufacture, No.7 (2009), p. 42 [3] Raju Sethuraman, T.Sasi Kumar: Jounal of Mechanical Design.

Abstract: In most coating applications damage resistance is controlled by the mechanical properties of the coating, interface and substrate.
For electronic and optical applications the design of coating-substrate systems has been predominantly controlled by their functional properties but more recently the mechanical response of the system has been used to enhance functional properties, as in the case of strained silicon/SiGe microelectronic devices where tensile strain has been used to enhance mobility and increase device speed.
Finally the mechanical design of a metallization stress sensor based on nanoindentation-derived materials properties, non-linear elastic and plastic behavior and the treatment of geometrical non-linearities (stress stiffening) is discussed. 1.
Conclusions Finite element simulations can be used to assess the nanoindentation response of nanostructured multilayer thin films provided that scale-dependent mechanical properties are used.
For single layer metal coatings which are polycrystalline a strong indentation size effect is observed and the scaledependence of mechanical properties is significant.

The extent of electro-chemical corrosion depends on the electrical conductivity of the liquid, which affects the protective influence of the zinc layer over greater or smaller areas.
· Alkaline salts compound crystallizes in concrete expands. [2,3] Concrete Corrosion Under the Action of Ground Waters For the concrete buildings exposed to groundwater, the combined effects of corrosion factor occur. [4,5] Aggressive properties of water become more important when surface water has free access to a building or a permanent wash.
Reactions occurring between water and the concrete compounds are affected in addition to the chemical reaction and the conditions of movement of substances and products of reaction.
Aggression depends not only on chemical composition of water and cement but also other physical and biological factors. [12] For corrosion of concrete under the action of flowing ground water, dense concrete made with Portland cement with blast furnace slag or trass is essential.
Porosity is the main factor controlling the initiation of corrosion in concrete.

From Eq.(36), the factor S reaches to the critical value cS as the stress intensity factor of the cracked body reaches to its critical one.
Results of the stress intensity factor of the finite cracked plate under only mechanical load with crack angle 00θ = o are listed in Table 1.
For thermal problems, Table 2 also shows the accuracy of the thermal solution in this work is within an acceptable region, where the boundary conditions and material properties are followed the referenced papers [20, 21].
Yosibash, Thermal generalized stress intensity factors in 2-D domains, Comput.
Table 1 Stress intensity factors 0/IK K of cracked plate under mechanical load with 1H / W = .

Different MIC mechanisms can be simultaneously or alternately occuring on various materials, where a complex boundary layer of corrosion products, bacterial cells and other environmental factors are present on the surface.
Thus, problem of the SRB-assisted hydrogen damage is of special importance for steels of increased strength, since the susceptibility to hydrogen embrittlement increases with increasing mechanical properties of the steels.
Cathodically evolved hydrogen in sterile medium insignificantly decreased its mechanical properties after 2 months of hydrogenation.
King et al. [22] compared the FCGR measured in sterile seawater and in the presence of biological or non-biological sulphides and established the corresponding acceleration factors DK.
Birn, Effect of cathodic polarization and sulphate reducing bacteria on echanical properties of different steels in synthetic seawater, Mater.

The purification process is essential for ensuring that the biodiesel produced is of high quality and suitable for use. 2.4 Factors Affecting the Transesterification Reaction Several factors significantly affect the transesterification reaction, which is crucial for biodiesel production.
Key properties include viscosity, which affects fuel injection and atomization; flash point, which enhances safety during storage; and oxidative stability, which can lead to degradation over time.
Therefore, CMA is expected to be more efficient at a given condition, and also since it has a various number of metal oxides can also be affected by factors like reaction time.
The characterization properties further clarify the performance of each catalyst.
Genene Demisu, “Factors Affecting Biodiesel Production from Non-edible Vegetable Oil Via Base-catalyzed Transesterification Process: Synthesis,” Int.

The properties such as the electrical conductivity, flexural strength and density of the composite were tested.
The factors of graphite content, CF content which affected the properties of the composite were investigated.
The effect of CF content(wt%)on the properties of flexural strength, electrical conductivity and density were showed in Fig3.
The mechanical properties of carbon fiber is strong.
The interface bond of carbon fiber and PPS is better, and in the process of drag and press, PPS matrix deformes following the CF deformation.Therefore,the mechanical properties of composite can be significantly improved.

Sun et al. studied the influence of the surface quality on the mechanical properties of the AMed Ti-6Al-4V [5].
Therefore, an AMed part has the microstructural characteristics and thus mechanical properties different than that of the castings and forgings [10].
Different processes could cause different mechanical properties of the material, as shown in Table 1.
Mechanical properties of the AMed and wrought parts.
Vrancken, et al., Heat treatment of Ti6Al4V produced by Selective Laser Melting: Microstructure and mechanical properties.

RESEARCH OF THE PARAMETER FOR THE PISTON’S CONFIGURATION IN THE TILE PRESS’S MOVING BEAM Hu weiwen a, Zhang baiqingb and Fen Jing-huac Mechanical Electronic School ,Jingdezhen Ceramic Institute ahuweiwenjdz@yahoo.com.cn, bzbqxjq@sina.com.cn, cfjh8496255@yahoo.com.cn Keywords: Tile press; Numerical simulate; Finite element Abstract.
To remove the powder in the suppression of unfavorable factors in the process, improving the quality of forming green body must be the mechanical properties of powder and the powder in the suppression of the movement of the process for re-understanding and analysis, looking for particles the mechanism in the suppression press; Establishing the parameters for ceramic compaction model in order to compaction equipment design and operation of process control provides a theoretical basis to improve the yield rate of compaction.
Fig. 1 Sketch of ceramic powders compacting 1,Piston 2,Moving beam 3,Powders 4,Mold Fig. 2 Sketch of ceramic powders flan 2.5 Loading and Solution [4] Constraint handling: constraint handling which is appropriate or not directly affects the results, so it should to be close to the actual situation.
Fig.3 Sketch of urn moving style in a piston Fig.4 Stress distribution in 10mm plane direction by the single-acting piston Fig.6 Stress distribution in 10mm plane direction by the dual-acting piston Fig.5 The thickness sketch of 10mm flan by the single-acting piston Fig.7 The thickness sketch of 10mm flan by the dual-acting piston Summary 4 Summary In summary, the structural parameters of piston will affect the quality of the pressed ceramic powder flan, and the following conclusions are these： 1) Through the process of the PRESS suppression simulation, we can get the distribution diagram of stress and thickness which are consistent with the actual suppression of flan. 2) By the comparison of analyzing single-acting and the dual-acting piston-cylinder, we know that the structure of the dual-piston is more conducive to improve the quality of flan.

Modelling and economic analysis of an improved duplex solar still Deepak Kumar Murugan1, a, *, Natarajan Elumalai 2, b 1 Department of Mechanical Engineering, Velammal Engineering College, Chennai, Tamil Nadu, India 2 Institute for Energy studies, Department of Mechanical Engineering, Anna University, Chennai, Tamil Nadu, India adeepu.energy@gmail.com benat123@gmail.com Keywords: Solar still, solar distillation, theoretical analysis, economic analysis, yield output Abstract Water is one of the most significant substances on earth.
The Grashoff number and Prandtl number can be calculated from the various physical properties of the vapour which are temperature dependent.
Performance analysis of solar stills based on various factors affecting the productivity – A review.