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A greater number of fused silica is transformed from amorphous state to crystalline state with big volume expansion, at 1400℃, which causes microcrack leading to decrease the bending strength.
That reveals that nano-zirconia possessing large surface area and high surface energy effectively improve driving force of atomic motion, which is beneficial to hole among grain-boundaries shrinking and vacancy cluster submerging, and promote the effect of sintering composite ceramic.
Increasing sintering temperature can promote composite ceramic sintering, but a greater number of crystallization from amorphous state to crystalline state appears at 1400˚C and causes plenty of microcrack leading to strength of composite ceramic declining.

Experimental Procedure The pattern used in the study was a step-like shape sized 100×250mm withstep thickness of 3, 6, 12, and 18 and 24 mm (Figure 1) The pattern made of polystyrene foam with a density of 20Kg/m3 was cut using hot wire to an accuracy of ±0.5 mm. 3 100 50 250 24 Figure1: The dimensions of the pattern used in this study The patterns were then dipped for 60 seconds into slurry of Zircon (ZR-A) and colloidal silicate mixture with the viscosity controlled at27 secondsusing Zahn flow cup number 5.
The mould was prepared by placing the pattern in a flask as shown in Figure 2and unbounded silica sand with a grain fineness number of 60-100 was introduced manually into the flask.Compaction of the sand was made by vibrating the sand-filled flask for the duration of 60 secondsat a frequency of50 Hz.The flask was then placed in the pressure vessel as shown in (Figure2).

The dynamic component is computed as the product of the pile velocity times the damping factor (a soil parameter related to soil grain size).
Table 1 Stratum character serial number Stratum name Average thickness(m) serial number Stratum name Average thickness(m) ① silty clay 3.92 140 ⑤ Medium-Coarse sand 6.78 230 ② silty clay 4.77 150 ⑥ silty clay 5.90 250 ③ medium sand 3.30 180 ⑦ medium-Coarse sand 6.42 310 ④ silty clay 5.29 170 ⑧ Coarse sand 4.37 320 4.2.1 Static load test results analysis Chart 1 shows the Q～s curve and chart 2 shows the s～lgt curve.

Table I: Main Geometrical Features of The Analyzed Barrel Denominator Value Diameter [mm] 1000 1000 (2D simulation) Length [mm] Blade angle 36 degree Number of blades 10 As the aim of the present work was to reproduce the operation of a rotating machine, the use of moving sub-grids was necessary.
Table 3.1: Summary of material options for model turbine blades Material Comments Disposition Solid Wood Difficult to maintain isotropic structure due to grain structure of wood Not used Laminated wood Labour-intensive but cheap.
DESIGN DIMENSIONS Figure 5.1 Flow analysis for flow velocity 0.5m/s (pipe) Length= 1000 mm Diameter=1000 mm Number of blades= 12 Type of foil = newly designed Chord length, C= 16.19 mm Blade inclination angle, φ, from the horizontal, where φ = tan-1(nlπd) = tan-1(37.68) = 89.90 Solidity, σ, defined as σ = nCπd = 610.0392 The heb turbine design described in this report has a diameter of 1 m and a length of 1 m.

Thus, the initial numbered image of the structure consists of a matrix containing 0 and 1; • treatment of the resultant sets of the digital values (matrices) by division of the matrix to larger cells with the dimensions Li× Li(i=1,..., 32); • construction, for each of division, of the characteristic measure in the form of the probability of distribution of units Ni, required for covering the ferrite field; • the approximation of the dependence of lnPi on lnLi by the method of least squares and the determinationof fractal dimensions Df from the relationship: P(Li) = const×Li-Df, (1) Fractal structure formation analysis and assessment of cold resistance of the weld metal of low-carbon steel for welding with coated electrodes Engaging the concept of fractals allowed to quantify the degree of homogeneity (dispersion, fragmentation) of the structure of weld metal.
Comparison of the values of Df with the topography of the structure shows that for a coarser structure with wide fragments of Widmannstatten ferrite extending through all fields of the grains of primary austenite, the value of Df is lower and the structure is more homogeneous, approaching the conventional ferritic–pearlitic structure, with the higher values of Df.
The distribution density can be calculated more efficiently by counting the number of cells P required to cover the fractal.

Tensile strength remained practically unchanged after thermal cycling, while the Young modulus increased appreciably with the number of thermal cycle.
Fig.1 shows that the increasing number of publications on graphite filled polymer composites.
Number of publications on graphite filled polymer composites Materials and Methods In this study Ethylene- vinyl acetate copolymer (EVA) containing 14 wt% of vinyl acetate (VA), Miravithen® D 14010 V supplied by Leuna Polymer GmbH, Germany was used as matrix material.
The exfoliation process starts on the edges of EG grains and the exfoliated graphite flakes have nano-sized dimensions with bigger surface areas compared to micro-sized dimensions of the UG pellets.

., sulfonic and carboxylic groups) in CTMP, kappa number (i.e., residual lignin content) of unbleached kraft pulp, and beating degree of bleached kraft pulp on the conductivity of PAn-coated conductive paper were investigated [8, 14].
The amount of PAn coated increased with increasing content of sulfonic groups in CTMP or decreasing kappa number of unbleached kraft pulp.
Both SEM and AFM observation revealed the fine grain microstructure of the PPy on the composites with average grain sizes in the range of 100~200 nm, and the PPy on the samples doped with NSA and AQSA-Na exhibited quite different morphology as compared to those doped with PTSA and its sodium salt [16, 17].

The diffusion zone is formed by the precipitates of nitrides of iron and other metals both at the grain boundaries and within the grains.
Wear rate curves obtained for un-treated and treated specimens are shown in Fig3.The obtained results are plotted in graphs showing the weight loss against number of revolutions for different treating temperature.
Fig.3 The relation between weightloss and Number of revolutions Corrosion resistance.

Many efforts have been carried out to balance its properties at room and high temperatures such as using grain refinement, alloying, or compositing [2][3].
A number of pure elements such as Fe, Mn, and Mo have also been used alloying or compositing NiAl [10].
The increase in hardness can be related to two reasons; firstly the formation of other intermetallic compounds such as TiNi and TiAl, and secondly, the presence of the oxide compounds in the lattices site or the grain boundary of NiAl.
Vickers hardness of the synthesized products obtained by the SHS reaction of Ni-Al-TiO2 with Al addition by 0.74 wt.%, 1.11 wt.%, 1.48 wt.%, and 1.85 wt.% Acknowledgement The authors are grateful for the financial support by the Directorate General of Research and Development Strengthening, Ministry of Education and Culture of the Republic of Indonesia with Grant Number: 133.32/A.3-III/LPPM/IV/2020.

In the 1980s, some scientific research institutions developed a number of plot seeders based on plot seeder introduced, such as ZXJB-4 plot precision seeder (Heilongjiang Provincial Academy of Agricultural Sciences), NKXB-1.4 plot drill(China Agricultural Engineering Research Institute, Beijing Agricultural University), 2BJ-2 plot precision seeder(Suning County Agricultural Machinery Institute in Hebei), XBJ-15, XBJ-15A plot drill (Hongxinglong Farming Canal Bureau Research Institute in Heilongjiang), 2XB-10 plot drill (the 3rd Repair Shop of 597 Farm in Heilongjiang), etc.
Plot drill requires in terms of length and width of the plot area the same type of seeds sow into soil, according to seeding quantity (the grains within length segments), prescribed spacing, row spacing and sowing depth, and after finishing sowing a plot, seed shall clear automatically seed in the seed-metering device at once.
Plant line plot seeder requires in terms of length and width of the plot area the different type of seeds sow into different seed drilling, according to seeding quantity (the grains within length segments), prescribed spacing, row spacing and sowing depth, and after finishing sowing a plot, seed shall clear automatically seed in the seed-metering device at once.At present plant line plot seeder consists of feeding device, control unit, seed distributions per row (conule-belt or conule-disk seed-metering device), opener systems, etc.
As a result of narrow application scope of plot seeder and relatively small application number, in contrast, excessive production enterprises will cause fierce competition led to the fittest survival.