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The effect of various process factors is analyzed by the simulation of the rolling process and based on visual analysis of the simulation result, the primary and secondary factors affecting the relative density and the rolling force are obtained.
Zhou[5] comprehensively introduced the principle, usage, method and process parameters of metal powder rolling, and analyzed the main factors affecting the rolled-piece performance.
Table 2 Process parameters for simulations of rolling compaction The parameters of rolling roll diameter D 100 150 180 compressibility 84 82 80 rotational speed of roller (rad/s) 0.42 0.35 0.3 friction coefficients 0.4 0.35 0.3 Table 3 Results of the orthogonal experiments for simulation Arrangements of experiments The result of simulation Factors Maximum of Rolling force (N) Minimum of Relative density 1 84% 0.3 0.3 100 15752 0.841 2 84% 0.35 0.35 150 38203.2 0.922 3 84％ 0.42 0.4 180 51977.7 0.970 4 82％ 0.3 0.35 180 34344.6 0.918 5 82％ 0.35 0.4 100 20774.8 0.871 6 82％ 0.42 0.3 150 26036.7 0.883 7 80％ 0.3 0.4 150 26532.2 0.881 8 80％ 0.35 0.3 180 31745.5 0.866 9 80％ 0.42 0.35 100 15530.6 0.830 The analysis of process parameters in powder rolling.Based the above analysis, the main factors affecting metal powder rolling are physical and mechanical properties of powder materials and the process parameters.
The sequence of factor affecting on the relative density and the rolling force is: >>>.
[4] Simon O,Guigon P.Correlation Between Powder-packing Properties and Roll Press Compact Heterogeneity[J].Powder Technology,2003,130(1):257-264

Nevertheless, there are no exact methods to determine their mechanical properties.
Effective mechanical properties.
Nevertheless, serial solutions of different medium combinations from plain to more complicated help in obtaining the factors, influencing on medium stiffness and strength.
Boldyrev: Soil mechanical properties obtaining methods (Prondo, Russia 2014)
Mirniy: Soil inhomogeneity impact on its mechanical properties.

The test, using orthogonal design, includes two factors and three levels.
The two factors are the content of boron and the content of carbon.
These results indicate that the chemical compositions are decisive factors in determining the mechanical properties of alloy under the same preparation conditions.
Effect of heat treatment on mechanical properties and microstructure.
They are decisive elements in determining the mechanical properties of HBA.

The variation values of mechanical properties were calculated respectively.
The former does not affect the fluidity, while the latter affects the fluidity of the mixture [9].
Test on Mechanical Properties of Silicon Dioxide Nanometer Basalt Fibers.
In this research, only the influence of mechanical properties was analyzed.
Influence of Hydrothermal Nanosilica on Mechanical Properties of Plain Concrete.

Structural State, Phase Composition and Mechanical Properties of Wear-resistant Cast Iron Modified by Ultrafine Powders Anna P.
The paper explores the effect of a modifier based on ultrafine powders of refractory metal oxides on the change of structural state, phase composition and mechanical properties of cast iron of ИЧХ28Н2 (Russian grade).
It is known that metal cooling is often accompanied by the formation of a coarse-crystalline structure from a liquid state, which has a negative impact on castings mechanical properties.
However, the selection of ultrafine powder-based modifiers as applied to specific material and mechanisms of affecting the material structure and properties change are to be further studied.
The corrosion properties of the wearproof cast iron samples were investigated.

The mechanical properties of gas hydrate-bearing sediments are important basic parameters during natural gas hydrate drilling and exploitation.
ZL 2010 2 0253067.3) to study the variation of mechanical properties along with gas hydrate saturation in different sediments.
The key factors to influence the borehole stability include petro-physical and mechanical properties and hydrate dissociation of hydrate-bearing strata.
The mechanical properties of hydrate-bearing sediment are researched mainly by field survey, laboratory test, and theoretic model analysis.
Thus, artificial synthetic specimens are generally used for indoor experimental research on the mechanical properties of hydrate sediment.

Frictional heating and associated temperature seriously affects the material chemical and physical - mechanical properties, and is one of the direct factors on the wear mechanism.
One of the important influence factors of the frictional heating is the sliding velocity.
It revealed that speed and heat transfer coefficient affect the coefficient of thermal distribution significantly.
So the partition of frictional heat flux between the rough solid A and plane solid B is assigned naturally according to their thermophysical properties of material.
The material properties of this model are given in Tables 1 [22-23].

In this experiment, based on the mechanical properties of grouting materials, Expert Design and response surface methodology (RSM) is used to optimize the mix proportion of grout materials.
Microstructure explains the mechanism of factors affecting performance indicators.
There are many factors affecting the solidification ratio, mainly due to water.
The addition of fly ash is especially important for grout mateials properties, the rational ratio of sand/fly ash result in the components combined closely, showing good mechanical properties.This study provides guidance for the application of different proportions of grouting projects.
Properties and performance of a high volume fly ash grout.

Mechanical properties of recycled concrete aggregates could be improved by adding activated water instead of ordinary water.
There are many different factors such as the kinds and amounts of alkali and the water slag ratio affecting the compressive strength of recycle geopolymer.
Particles with poor mechanical properties, such as needle flake or sundries, are took out when using as recycled aggregates in the experiment.
There are different factors which impact the compressive strength of recycled geolymer.
There are many different factors that affect the compressive strength, the sort and the content of alkali, the modulus of sodium silicate and the water slag ratio.

In this paper, we studied mechanical properties of PVC/ABS composite materials with different ratio of different components.
The above PVC/ABS composite materials were injected to make standard specimens for testing mechanical properties.
Testing Mechanical Properties.
The rubber phase (Polybutadiene phase, SAN) is the major factor that affects the changes of PVC/ABS impact strength following ABS content.
Therefore, the system region with network presence resulted in higher mechanical properties.