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The orthogonal test temperature, time and the amount of addition of rare earth are three factors.
Temperature, time and amount of addition of rare earth are affecting factors, and three levels of each factor were selected, such as listed in table 1.
Tab. 1 The factors and level Level Temperature /℃ Time /h Amount of Addition of Rare Earth(wt％) 1 2 3 870 910 950 3 5 7 0. 5 1 1. 5 Figure 1 is the histogram of the affecting factors.
It could be seen from figure 1, that temperature is the most important factor to affect the carbonitriding layer depths.
Cr12MoV steel boronizing process and microstructure and properties of [J].journal of metal heat treatment, 2006,31 (7) : 67-71

Experimental results show that the bridge model can well reflect the mechanical properties of the prototype.
Mechanical properties of organic-glasses specimen were tested.
Comparing with the field monitoring data, the reliable bridge model that can well reflect the actual mechanical properties of the original structural is achieved.
Summary The fact that deterioration is essentially a complex process affected by many factors adds the difficulty to evaluate the present state of the structure.
Experimental research on the effect of constraint of the deck on the mechanical properties of the reinforced concrete arch bridge.

Total appearance conducts color and geometrical factors such as gloss, shape, etc.
The main factors of weathering are sunlight, temperature and moisture.
Visible light also affects many materials, and for some the visible light wavelengths can be more damaging than the shorter ultraviolet wavelengths.
Fig. 7 3D LSCM image of SUNTEST sample Fig. 8 3D LSCM image of COMBINED sample For the assessment of the effect of UV, moisture and abrasion to the mechanical properties of the covering layer was with using Elcometer performed a test of the grid adhesion (Fig. 9).
Vik: Laboratory analysis of the main properties and a color stability of a coating layers under the UV loading.

Mechanical Properties All the samples have both elastic and plastic regions as shown in the stress strain graph in Figure 4a).
Okabe, Mechanical Properties and Microstructures of Cast Ti-Cu Alloys, Dental Materials, 19 (2003) 174-181
Park, Effect of Manganese on the Microstructure, Mechanical Properties and Corrosion Behavior of Titanium Alloys, Materials Chemistry and Physics, 180 (2016) 341-348
Narushima, Microstructures, Mechanical Properties and Cytotoxicity of Low Cost Beta Ti-Mn Alloys for Biomedical Applications, Acta Biomaterialia, 26 (2015) 366-376
Collings, Materials Properties Handbook: Titanium Alloys, in: A.

Indonesia with abundant limestone raw materials, lightweight brick is the most important component in building construction, so it needs a light brick product that qualifies in thermal, mechanical and acoustic properties.
Introduction Energy consumption of a building is effected by various factor, one of which relates to the thermal insulation properties of materials being used.
In case of AAC, factors that affect the thermal conductivity are as follow : density, moisture content, temperature, porosity and mineral composition [1,5].
ANN has been widely used in various recearch to and mechanical properties [4,7].
Comparison between predicted value and measurement value of thermal conductivity AAC samples Sample Target (W/m.K) Prediction (W/m.K) AAC1 0.214 0.243 AAC2 0.212 0.290 AAC3 0.214 0.320 AAC4 0.214 0.320 3.2 Discussion One of the factors that affect the amount of Al in AAC is the use of aluminum powder as pore foaming agent.

Factors that influence this phenomenon are the viscosities of the dispersed and continuous phases, the droplet deformability, the droplet size and the inter-droplet forces, the interfacial tension and the mobility of the adsorbed film [16].
Moreover, emulsifying properties were ultrasonic time-dependent.
Foaming properties.
Foam formation is governed by three factors: transportation, penetration and reorganization of the molecules on the air/water interface.
Mechanical homogenization process tends to increase the foaming capacity.

L18 orthogonal array with factors and response Exp.
The most significant factor affecting the precision and accuracy of the high speed EDM process have been identified as factor A (current ),factor C (pulse on time),factor D (Dielectric pressure) account for concerning the (33.59,23.59 and 16.93 )% at the method variance.
“Microstructure and mechanical properties of silicon nitride–titanium nitride composites prepared by spark plasma sintering”.
“Densification and Mechanical Properties of Electro conductive Si3N4 -Based Composites Prepared by Spark Plasma Sintering” Sains Malaysians 41(8): 1005–1009
“Properties of Si3N4–TiN composites fabricated by spark plasma sintering by using a mixture of Si3N4 and Ti powders”.

So it has obvious anisotropy of mechanical properties [3].
Lignin in them can enhance the mechanical properties.
They have common characteristics that improve the mechanical properties of materials and design rational porous structures, etc.
Property and characterization Property. (1) Mechanical properties.
During the preparation process, immersing percent and carbonization temperature of resin are the main factors to affect woodceramic’s mechanical properties.

Chemical, structural and some mechanical properties were investigated.
Blending of PLA has been widely adopted to enhance PLA mechanical properties.
An approach which was implemented to enhance the mechanical properties of PLA was via the incorporation of inorganic/organic fillers.
Besides being used as reinforcement to improve mechanical properties, Parquetina nigrescens pods have phytochemicals which can enhance the antibacterial properties of the PLA. 2.
Mechanical properties of a material are determined through mechanical characterisation, and these mechanical properties determine the various applications of materials.

Fe has very little solubility in Al in its solid state and precipitation of these Fe intermetallics (IMC), in the Al matrix decrease mechanical properties, due to the Fe IMC brittle nature.
Fe has very little solid solubility in Al, therefore during solidification Fe easily develops into highly faceted Fe-rich intermetallics (IMC), leading to a reduction in mechanical properties [1,2].
This is apparent due to the development of Chinese scripts α-Al15Si2Mn4 which influence the phase [mol] content, indirectly affecting the stability of other phases.
Hatch, Aluminium Properties and Physical Metallurgy, American Society for Metals. (1983)
Soares, Effect of grain and secondary phase morphologies in the mechanical and damping behaviour of AL7075 alloys, Centre for Micro-Electro Mechanical Systems (CMEMS), Ph.D Thesis, University of Minho, Portugal, (2011)