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High Temperature Mechanical Properties of Ti(C,N)-Co-Mo2C Cermets A.
Américo Vespucio 49, 41092 Sevilla, Spain a angela@us.es, Keywords: cermets, carbonitrides, pressureless sintering, high temperature mechanical properties, creep.
This means that besides improving the toughness of the Ti(C,N)-based cermets, which is still a major goal nowadays, their resistance to plastic deformation and high temperature mechanical properties needs to be extensively investigated.
A key aspect to achieve high mechanical performance and good mechanical properties is to control the ceramic-metal bond during sintering.
These factors can be controlled by the synthesis method.

Therefore, the influence of the RSW process parameters established by an automatic sequence on the nugget geometry, microstructure, and mechanical properties was investigated.
Nevertheless, there were differences in terms of phase dispersion, defects and mechanical properties that have been linked to the RSW process parameters.
The influence of the welding parameters on the microstructure was evaluated by metallography and the mechanical properties were evaluated by Vickers hardness testing.
Controlling Factors.
Effect of Acicular Ferrite on Mechanical Properties of Ultra-Fine Grain Ferrite Steel.

The mechanical properties of interfacial transitional zone between geopolymer and stone were affected by the oxide component of the geopolymer and the type of the raw materials.
Major factors that affect the mechanical properties of the interfacial transitional zone have been researched systematically.
Hence the content of geopolymer precursor was a key factor to the formation process of geopolymer structure and the mechanical property of the interfacial transitional zone between geopolymer and aggregates.
Lyon: Mechanical Properties and Fire Response of Geopolymer Structural Composites[J].
Martı´nez-Ramı´rez: Alkali Activation of Metakaolins-Parameters Affecting Mechanical, Structural and Microstructural Properties[J].

In order to improve the mechanical properties of the layer deposited by anodic oxidation of aluminium on the material EN AW-1050 H24, in the contribution was investigated the microhardness of the deposited layer as a function of the physic-chemical factors affecting in the process of anodic oxidation at the constant anodic current density J = 3 A.dm-2 in electrolyte formed by sulphuric acid and oxalic acid, with the emphasis on the influence of electrolyte temperature in the range – 1,78 °C to 45,78 °C.
In many of these applications a key role is played by the mechanical properties, wear resistance and corrosion resistance [5 - 7].
Based on the published studies on the mechanical properties of anodic oxide layers, focusing particularly on the microhardness, we can state that there is very often an emphasis on the influence of electrolyte temperature and applied current density without considering other factors.
Therefore, in this study is observed not only the influence of electrolyte temperature but also the influence of other chemical and physical factors affecting the thickness and also the mechanical properties of resulting anodic oxide films formed in the electrolyte containing sulphuric acid and oxalic acid.
In regard to the complexity of the anodizing process of aluminium and its alloys, it is necessary to monitor the temperature effect in interaction with other factors affecting at actual current density and not as the only factor influencing the observed parameter.

a*eduardo.feistauer@hzg.de, bluciano.bergmann@hzg.de, cjorge.dos.santos@hzg.de Keywords: Tailor welded blanks, Friction stir welding, Local and global mechanical properties Abstract.
Moreover, the rotational speed directly affected the ROL distribution and consequently the mechanical properties of the welds.
Figure 5: Tensile stress-strain curve for the TWB joints (a), mechanical properties of the joints (B) and strain maps obtained by DIC.
Pieters, Mechanical properties and microstructure of friction stir welded tailor-made blanks, Mater.
Benedictus, Global and Local Mechanical Properties and Microstructure of Friction Stir Welds with Dissimilar Materials and/or Thicknesses, Metall.

Study on the Mechanical Properties of the Elliptic Ultasonic Vibration Cutting Process Hua Lia, ZiYang Caob Suzhou university of science and technology , Suzhou P.R.China alihua@mail.usts.edu.cn, bdukeczy@nuaa.edu.cn Keywords: ultrasonic, elliptic vibration, cutting, mechanical property Abstract.
In this paper, the mechanical properties of the elliptic ultrasonic vibratioon cutting were proposed systemiticaly through thoretical analysis，the model of the average cutting force in the elliptic ultrasonic vibration cutting process was established.
The performance of the the properties to the machining acurracy and the surface roughness was studied through experiment.
From Fig.1 the height of the residual part Δhz can be get as follow: (3) Δhz is one of the factors affecting the theoretical roughness in precision or ultra-precision machining and its value is determined by the cutting speed, the vibration frequency and the Y direction vibration amplitud
Under the affect of these properties, the dynamic cutting force is separated, the average cutting force deceases.

Prediction of Mechanical Properties of Ti-6AI-4V Titanium Alloy Bars Depending on Aluminum and Molybdenum Strength Equivalents Yu.B.
The following factors were analyzed: aluminum and molybdenum strength equivalents, standard mechanical properties (tensile strength σв, proof strength σ0,2, elongation δ, reduction of area ψ, impact toughness KCU), microstructure type and parameters (α-plate thickness bα, α-globule size aα), bar diameter, annealing temperature tann.
Pair and multiple correlation coefficients R were determined to estimate strength of the statistical connection between the studied factors.
According to the correlation analysis, annealing temperature, structure type and dimensions of structural components in the studied range barely affect mechanical properties of bars (correlations coefficients R < 0.3), most probably due to narrow change ranges.
The test of the proposed models demonstrated satisfactory correlation of estimated and actual values of mechanical properties of studied semi-finished properties.

This instability of properties may be due to numerous random factors, including first of all the fluctuations of alloying elements and impurities within standard-specified limits.
The structure of semi-finished products is another factor that may affect the stability of properties [1-3, 6, 11, 12, 15].
The variation of properties due to various factors was evaluated by the ratio: γ=R2·100%, where R is the coefficient of correlation.
Considerable data scatter in the diagrams is due to neglect of other factors in the analysis.
Scatter diagram to show how chemical composition, structure type and score affect the mechanical properties of VT6 bars after annealed in different ways (bold numbers indicate significant values of the correlation coefficient) Table 3.

Microstructure and Mechanical Properties of GMAW Welded Joints Er-Containing Aluminum Alloy Guo Haozhen1,a*, Cui Li1,b, Huang Hui1, Guo Xiao1, He Dingyong1 1The College of materials science and Engineering Beijing University of Technology, 100124, China a*649225523@qq.com, bcuili@bjut.edu.cn Keywords: Er-containing aluminum alloy; Gas metal arc welding; Mechanical properties Abstract.
The addition of Sc element to the aluminum-magnesium alloy can significantly improve its mechanical properties [3].
This addition can improve the mechanical properties of the aluminum-magnesium alloy [7-8].
Tensile properties of welded joints.
Analysis of Mechanical Properties of GMAW Welded Joints.

achendg2580@sina.com, bjinhliu@nwpu.edu.cn, cmzhbky2012@163.com, d1811028040@qq.com e494254255@qq.com Key words:7A52 Al alloy; Friction Stir Welding; microstructure; mechanical property Abstract: The7A52 aluminum alloy of the 30mm thickness was welded by the friction stir welding.
The structure and the mechanical property of the welded joint was researched by the optical microscope and SEM, etc.
Therefore, in this paper, the author selected 30 mm thickness 7A52 aluminum alloy plate for single-channel friction stir welding test, and studied its friction stir welding process and mechanical property characteristics.
Generally speaking, the ranges of heat input factors are 3 ~ 6 when welding thickness aluminum alloy, (heat input factor = rotating speed / welding speed), the ranges of the rotating speed are 300r/min ~ 600r/min, the ranges of the welding speed are 50mm/min ~ 200mm/min along the weld direction.
Fig.2 The HV hardness distribution of welding joint Detection and analysis of the mechanical properties.Tensile testing of welded joints was doing according to the GB2651-2008,the results was shown in Table 2, the mean strength of the weld joint reached 364MPa,was 85.8% of the base metal strength.