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.: +36 1 463 29 54, fax: +36 1 463 32 50 Keywords: elastic modulus, elastic compliance, anisotropy, plastic deformation, Schmid factor, Frank-Read source, dispersion of mechanical properties Abstract.
Most structural materials demonstrate very strong anisotropy in their properties.
Introduction All textbooks dealing with the mechanical properties of metals and alloys treat the crystal orientation dependency of elastic moduli.
Fig.1 presents the changing of a few mechanical properties of cold-rolled copper as functions of the rolling direction [1].
This anisotropic behaviour is a main cause of the scatter of the measured values of mechanical properties.

Many researchers, therefore, discussed the mechanical properties of the composite plating [2-7].
Hojo et al. [8] pointed out that the cleaning process of SiC particles, in which the particles were washed in an acidic solution to remove impurities, affected the particle dispersion into a nickel matrix and thus the mechanical properties.
Their friction properties were also discussed.
The friction and wear properties were evaluated by a ball-on-plate type reciprocating friction tester.
Sugimoto: Factors Affecting the Formation of Electroless Ni-P-SiC Composite Coatings, Journal of the Metal Finishing Society of Japan, Vol. 39 (1988), p. 705

The goal of this study is to improve several welding parameters that affect the mechanical properties of mild steel, including YS, UTS, toughness, and Vicker hardness (VHN).
To find out how different welding factors, including wire feed speed, welding current, and gas flow rate, affect mechanical qualities, statistical methods of signal to noise ratio (SNR) and analysis of variance (ANOVA) were used.
In total, pure Argon (Ar) was used as a shielding gas in this research work to avoid contamination of the weld pool, as pure argon has unique properties.
The Taguchi methodology is a power pull method for determining how welding process factors affect mechanical quality.
Experimental investiga- tion on mechanical and metallurgical properties of super duplex stainless steel joints using friction welding process, Journal of Manufacturing Process,15, (2013),558–71

Effect of Solid Solution Treatment on the Microstructure and Mechanical Properties of IN738LC Superalloy Jeong-Min Kim1a, Joon-Sik Park1b, Ho-Seob Yun1c, Seung-Jin Lee1d, Seong-Uk An2e, 1Div. of Advanced Mater.
Characteristics of gamma prime precipitates were also significantly affected by the solid solution treatment conditions.
Introduction Nickel base superalloys have been widely utilized in high temperature applications such as turbine blades for aircraft engine or power generator, however the operation temperature of turbine blades becomes higher for obtaining higher energy efficiency, resulting in higher required properties of turbine blades.
The mechanical properties of superalloy castings has been known to be affected by the characteristics of carbides formed in the castings, but it is not still clear how significantly the properties can be varied as compared to the case of gamma prime precipitates.
The shape of the precipitates was characterized by a specific shape factor F defined as: [7] where A and P represent the mean area and perimeter of the carbides, respectively.

From this point of view the greatest interest is caused by the protective nanocomposite coatings having the high level of physical and mechanical properties such as the hardness, wear resistance, thermal stability, etc.
One of the factors leading to increase in parameter of a crystalline lattice is origin in coatings of residual internal stresses.
For a more accurate assessment of the contribution of the different factors on the magnitude of residual stresses it is necessary more detailed studies.
Researches of mechanical properties of glasses with Al-Si-N coatings showed that they have higher hardness and coefficient of elastic recovery in comparison with those for quartz glass without coatings.
The main factors affecting the mechanical properties are the crystallization of AlN and α-Si3N4 nanophases and the presence of high residual stresses in the II-AlSiN coating, due to the formation of a columnar structure.

For the natural sand is no-viscous bulk solid material with great variation on mechanical properties to traditional embankment filling, now there are some problems on the application of fine sand filling embankment engineering haven’t been analyzed such as the standardization of highway optimum structure system and road performance of fine sand filling embankment.
The analysis included geometrical and material properties of the slope ratio, the subgrade height, the presence or absence of the surrounding soil and the thickness of it, the top seal coat, pavement structure etc. and proposed the design suggestions of the optimum fine sand filling embankment based on the analysis above.
For the natural sand is no-viscous bulk solid material with great variation on mechanical properties to traditional embankment filling, now there are some problems on the application of fine sand filling embankment engineering haven’t been analyzed such as the standardization of highway optimum structure system and road performance of fine sand filling embankment.
Based on the analysis above the changing regulation of the slope stability was got and analyzed influence factors of stability regulation of the sand filling subgrade and then proposed some construction suggestions for improving subgrade slope stability.
The stability of sand filling subgrade is being affected with the slope ratio, the subgrade height, the presence or absence of the surrounding soil and the thickness of it, the top seal coat, pavement structure etc. if the height is higher than some value, the safety factor will decrease quickly, and the safety factor will also decrease quickly with the increase of slope ratio.

Each of these factors which may impart special properties, favorable or otherwise, to the final board can be combined in a large number of ways.
Results and Discussion Effect of particle size on mechanical properties of particleboard.
The results show that as the particle size increased, the mechanical properties (MOE, MOR and IB) decreased (Table 1, Figs 1-3), i.e. the smaller the particle size, the better the mechanical properties.
It is hoped that more work will be carried out to determine the influence of other manufacturing factors on particle board properties.
Nemli, Factors Affecting the Production of E Type Particleboard, Turk J.

The effect of nanofillers upon thermal, mechanical and structural properties in comparison to the neat PET are discussed.
The macroscopic effects of the nanoparticles incorporated in the polymer matrix generally consist in the enhancement of mechanical performance, barrier properties, thermal stability, fire retardancy, etc.
Effects of nanoreinforcements upon the polymer bulk degradation, particles dispersion, thermal and mechanical properties of the nanocomposites in comparison to the neat PET were evaluated.
The presence of nanofillers is mainly affecting the cold crystallization temperature, Tcc, and the final degree of crystallization of PET nanocomposites.
The stress-strain curves of PET nanocomposites are shown in Fig. 3, and the summary of some mechanical properties is listed in Table 4.

Evaluation of Mechanical Properties for Selected Dental Composite Resin Polymerized by Light Curing Technology at Different Thickness Fatin M.
Introduction A properties of composites materials containing resin are often re-evaluated because they may be affected by several factors, such as hardness and an intrinsic strength of a material, depending on a shade of the composite resin, the processing time, the phototherapy unit, the radiation, the spectrum of light emitted [1, 2].
Various studies have precise the effect of light emitting diode therapy on the properties of photovoltaic compounds.
Compressive strength was used in the mechanical and restorative properties evaluation test.
T Saleem, Inexpensive Near-IR Photodetector, Turkish Journal of Physics 30 (2006) 35-39 [15] Ali A, Physical, Mechanical and Surface Properties of Dental Resin- composites .A thesis submitted to the University of Manchester, 2013

Abstract.The research on the mechanical properties and thermal stability of the natural rubber filled with different dosage of Zinc oxide (ZnO).
It has good overall performance and good mechanical properties.
Factors that affect a lot of rubber damping performance, so be prepared damping rubber material, not only pay attention to choose plastic raw materials, but also pay attention to the use of complexing agent.Hu Guangfa studied the effect of the nano-zinc oxide particles on the the automobile shock absorber rubber compound used NR as the main component, it can improve the life of the shock absorber [2].
Based on it,this paper explores the impact of different amounts of ZnO on the natural rubber vulcanization’s properties, mechanical properties, thermal stability and cushioning properties. 1.Experiment 1.1.Materials Natural rubber, SCR-5, Hainan rubber Corporation products; zinc oxide, stearic acid, and promote M, sulfur are the agent which commonly used in the rubber industry.
Table 2 The effect ZnO dosage on the mechanical properties of natural rubber Project Consumption / mass parts 6 7.5 9 11 15 20 T10/min 1.08 1.10 1.11 1.12 1.17 1.23 T90/min 9.53 11.99 12.7 13.73 14.88 15.46 ML/ dN·m 0.25 0.32 0.4 0.47 0.45 0.45 MH/ dN·m 6.47 7.20 7.44 7.69 7.96 8.34 （MH -ML）/ dN·m 6.22 6.88 7.04 7.22 7.51 7.89 2.2.The influence of ZnO on the mechanical properties of natural rubber The influence of ZnO on the mechanical properties of natural rubber is shown in Table 3.