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C/c composites have been widely used in a number of demanding fields such as space, defense, turbine blades, etc[1-2].
Specimens were polished using diamond polishing slurries with grain sizes from 6 down to 0.50μm.
The curves of the number of 1, 2, 3 and 4 in Fig.4 were one-to-one correspondence of the number of four pushed-out bundles in Fig.5(1-4) respectively, it revealed the loading change process of bundle/matrix interface and the results of loaded interface fracture.
Images in Fig.5(1 and 3) showed high roughness degree on their bundle surfaces and a number of fractured fragments, which were composed of comparatively large matrix debris remained on bundles surface.

In the actual production, all sorts of types, varieties and specifications of the standard and non-standard tools coexist, the number of tools are huge, and its component also very complex.
According to the characteristics and classification of cutting tool, cutting tool will coded in the following solutions:1 ID, 2 Tool number, 3 Tool name, 4 Tool type, 5 Tool material, 6 Tool length,7 Tool diameter, 8 Tool series, 9 Tool geometrical parameters, 10 Tool manufacturer, 11, Extended length of Tool, 12 Tool number, 13 Tool number, 14, Workpiece materials, 15 The state of tool heat treatment, 16The hardness of tool and other information.
There are some choosing rules in different machining accuracy of part machining materials in Table 2 Table 2 Determination of cutting tool material Workpiece material Machining accuracy Cutter material Steel Steel Steel Cast iron Cast iron Cast iron Aluminum alloy Aluminum alloy Aluminum alloy Aluminum alloy Aluminum alloy Quenched steel High temperature alloy Rough Semi finish Finish Rough Semi finish Finish Rough Semi finish Finish Semi finish Finish Semi finish, finish Semi finish Hard alloy Coated carbides Hard alloy Hard alloy Yankees Si3N4 ceramics Hard alloy Hard alloy Super fine grain hard alloy Coated carbides Coated carbides Coated carbides PCBN Al2kO3 and ceramics SiCw ceramic Determination of tools series.

All alloys having single martensite phase at room temperature showed martensitic transformation at elevated temperature as well as a linear change of the characteristic martensitic transformation temperatures (As, Af, Ms and Mf) with the number of valence electron to atom ratio (e/a).
The c/a ratio showed an increase as the e/a ratio was increased (where e/a ratio is the ratio of the total number of valence electrons and the total number of atoms).
The increased crystallographic disorder results in decreased grain size in polycrystalline materials.
TC value show a tendency to shift to lower temperatures with the reduction in grain size Similar results have been reported in rapidly solidified Nd-Fe-B samples [19].

The texture of dampers samples represents a non-uniform supplement structure of crushed grains, separated by layers with dispersoids of crystallization of varying completion stages.
Vx=B ∙sinn∙π∙xL (1) Here B is an indefinite amplitude of the deflection, x is coordinate, n is the harmonic number.

From homogeneity testing, it was found that the five formulations were completely mixed and homogeneous, there were no lumps or coarse grains, and there was no separation between oil and other components of the material.
Testing the total plate number is one of the quality testing requirements required by SNI 2588 in 2017, the allowed ALT value is ≤ 1x10³.
The total plate number was tested in duplo with three dilutions namely 10-1, 10⁻², 10⁻³.
Formulation 2 was used in testing the total plate number with a concentration of VCO 32.5% and castor oil 12.5%.
Formula 2 with a VCO concentration of 32.5% and castor oil 12.5% was used in testing the total plate number (ALT) with the result that no contamination was found in the media.

With the lower gravel level, the number of holes and fractures decline. 2) Most volcanic rocks develop holes; some of them develop big holes or lots of holes.
Introduction Recently, a large number of particular lithology reservoirs, such as volcanic rocks and conglomerate, have been discovered with remarkable amount of oil and gas storage [1-5].
Currently available CT core analysis methods include visual CT image analysis, CT number analysis, CT number isogram, and CT re-sampling method [6].
Low gravel level sandstones such as fine-grained sandstone and siltstone do not contain fractures.
With the lower gravel level, the number of holes decline.

Analysis of technical and economic indicators showed that this method has a number of advantages in comparison with traditional technologies of semicontinuous extruding and continuous casting-rolling.
Developed technologies based on the method twin roll casting-extruding now are tested in a laboratory of combined treatment methods in School of Non-ferrous Metals and Material Science in Siberian federal university and industrial conditions of a number of metallurgical plants.
The schemes of combined treatment of aluminum and its alloys with the use of injection molding and metal forming operations are currently the main ones for the production of long billets with a small cross-sectional area in order to form a fine-grained structure of the casting due to high crystallization rates and subsequent metal deformation in rolls.
These schemes have undeniable technical and economic advantages as compared to traditional technologies the number of subsequent metal processing operations is reduced.
Device for continuous casting, rolling and extruding using a two-roll crystallizer: 1 – holding furnace; 2 – regulator; 3 – roll with a stream; 4 – roll with the protrusion; 5 – frame; 6 – cavity for cooling of rolls; 7 – matrix; 8 – wedge-shaped cavities; 9 – clamping mechanism; 10 – guide rollers; 11 – coiler On the basis of the above technical solutions the unit of combined casting and rolling-extruding CCRE-2,5 was designed and manufactured [16], on which a number of experimental studies on obtaining longish deformed semi-finished products from an aluminum alloy 6082 realized.

Chromium tends to segregate at the inter-dendrite grain boundary.
To estimate the mixing entropy change per mole during the formation of a solid solution from n elements with equiatomic ratio is given by Boltzmann’s hypothesis[3], ignoring the positive contribution of atom vibration and electromagnetic moment of force to the mixing entropy: (1) where ΔSconf is the configurational entropy; k is the Boltzmann constant; w is the number of mixed states, and R is the gas constant.
According to this equation, there is a rising tendency for the mixed entropy of the multicomponent alloys when increasing the number of constituent elements.
Otherwise, the addition of minor alloy element, such as, B, C, N, Si, etc, extends largely the number of possible alloys.
Particularly, the number of phases(P) was less than (n+1) that of traditional alloys in equilibrium freezing, opposed to the classical Gibbs phase rule, as is attributed to high mixed entropy effect[21].

The number of transition layers in the contact zone between the clay shell and the core from coal wastes is determined.
By plastic properties, the crushed coal waste is low plastic (the plasticity number is ≈ 6.0); on drying properties – insensitive to drying (coefficient of sensitivity to drying <1); according to the degree of caking – non-caking raw materials.
The distribution of the number of both components among themselves at the “shell–core” boundary integrally varies from 100 to 0% and otherwise.
The composition of the raw components of the layers of the model sample Raw material The content of the component in the charge [%], sample layer number [No] 1 2 3 4 5 Coal waste – 25 50 75 100 Clay 100 75 50 25 – It has been organized the directional heat and mass transfer inside the sample by analogy with model samples from iron ore wastes [24] during firing.
Selivanov, Modeling of the Structure and Strength Evaluation of Building Ceramics from coarse-grained Masses, Construction materials 6 (2007) 65–68

The number of measures to gradually reduce risk has been taken to protect the population.
If the Reynolds number drops below 1 during the liquid leakage, it means that the measurement is not taken in laminar but turbulent flow.
Reynolds number is the ratio between inert forces and viscous forces.
For porous materials, it is expressed as follows: Re=ρ∙v∙d50μ (3) Where: ρ = density of the liquid [g/m3]; ν = flow velocity [m/s]; d50 = mean of the size of rock grains μ = dynamic viscosity [Pa∙s] To meet the conditions of Darcy’s law, the fluid must be in a viscous flow.
[11] STAŠA, P., CHOVANCOVÁ, K., KEBO, V., CHOVANEC, J., KODYM, O.: Research of CO2 Storage Possibilities to the Underground; Procedia Earth and Planetary Science – Volume 6, 2013; pages: 14-23, ISSN: 1878-5220; DOI: 10.1016/j.proeps.2013.01.002 [12] STAŠA, P., KEBO, V., FUCHSÍKOVÁ, P., KUBÁČ, L.: Modelling potential action for building protection against flow of methane from the underground using the Fluent software; Proceedings of the 13th International Carpathian Control Conference (ICCC), High Tatras, Podbanské, Slovak Republic, 2012; IEEE Catalog number: CFP1242L-CDR; ISBN: 978-1-4577-1866-3 [13] KEBO, V., STAŠA, P., BENEŠ, F.: Application of CFD programs and supercomputing in mining.