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The scope of the work covers the development of the relationship between the chemical composition of surface-modified aluminium and its mechanical properties.
This article presents the impact of laser alloying with ZrO powder on the microstructure and mechanical properties of pure aluminium.
The desired mechanical properties, as well as the thickness of the oxide coating, depend mainly on the parameters of heat treatment via induction [11].
Optimizing the microstructure and improving the mechanical properties of the nano-structured zirconia coating also improves the technological plasticity [13].
Effect of ZrO2 Addition on Mechanical Properties and Microstructure of Al-9Zn-6Mg-3Si Matrix Composites Manufactured by Squeeze Casting, IOP Conf.

The thermal shock resistance of refractories mainly depends on the material mechanical properties and thermal properties, related to the refractory products also and component geometry, the environment medium heating mode, and many other factors, it is the comprehensive reflection of the above factors.
Through the analysis of refractory thermal shock theories, discusses the material factors affecting the thermal shock parameters, provides the reference for the design and fabrication of refractories with good thermal shock resistance.
The following are discussing the factors influencing thermal properties and mechanical properties and the ways of improving the thermal shock resistance of refractories.
Factors Affecting the Thermal Properties of Refractories Generally speaking, the thermal properties of refractories mainly relate to material composition.
Factors Affecting the Mechanical Properties of Refractories Refractories have many holes and defects in microstructure level, which have great influence on the mechanical properties of refractories.

Identification of destructive processes affecting hydraulic servomechanisms of the aircraft control assist system Leszek UŁANOWICZ Air Force Institute of Technology 01-494 Warszawa ul.
Particular attention is paid to the description of essential properties attributable to operation of the distributing device within a hydraulic servomechanism with a spotlight to physical background of the process when friction equilibrium of a sliding hydraulic pair is disturbed, which leads to its destruction.
All in all, one can conclude that in the case of high pressure affecting the large base of a conical slider, the axial positioning of the slider is unsteady and the slider tends to be pushed aside towards the sleeve walls by means of hydraulic forces.
Variation of the Fax axial force affecting the slider as the function of the slider stroke pt = 3,5 MPa pt = 14 MPa Slider stroke x [mm] Axial force Fax [N] Fig. 12. 
When the internal leaks exceed the maximum possible threshold, the dynamic properties and the operative stability of driven facilities (steering surfaces) are subject to deterioration.

This explains why flexural properties are highly affected by the total area available for deformation [25, 26].
The resultant samples produced better mechanical and thermal properties than the pure resin samples due to excellent mechanical and thermal properties of graphene nanoparticles.
The effect of MWCNTs on the mechanical properties of woven Kevlar/epoxy composites.
Mechanical properties of carbon nanotube reinforced Epoxy Resin composites.
Mechanical Properties of Unsaturated Polyester / Montmorillonite Composites.

Moringa seeds high quality protein and vegetable fat, make them become a useful source of active coagulant and disinfectants because of their positively charged protein molecules and their antimicrobial properties.
The yield of the oil obtained varies depending on several factors such as extraction temperature, extraction time, ratio of seeds weight to solvent volume, type of solvent used, and stirring in the extraction process which affects the yield of oil from the extraction process using solvents [4], [13], [21].
Grain moisture content, operating pressure, pressing temperature, and pressing time are factors that affect oil recovery from the pressing process [22]–[28]. 2.
The difference in the saponification number is due to several factors such as different hydrolysis process times, the effect of using different hydrolysis temperatures, and oil storage which also affect the saponification number of Moringa seed oil [16], [21], [35]. 3.4.3 Acid value of Moringa oil The acid value obtained in this study showed results that tended to increase with the addition of the pressing temperature, both with a moisture content of 8% Moringa seeds and a moisture content of 16% Moringa seeds.
Innocent, “Physico-chemical and Antioxidant Properties of Moringa oleifera Seed Oil,” Pakistan J.

Results and discussions Mechanical properties for heat treatment at different solution treatments Fig. 3 presents the mechanical properties of crash boxes for heat treatment at different solution temperatures(range from 480℃ to 540℃) under solution time of 45 min.
Fig. 3 Mechanical properties for heat treatment at various solution temperatures(solution time 45min) Fig. 4 shows the mechanical properties for heat treatment at different solution times (range from 25min to 65min) under solution temperature of 510℃.
Fig. 4 Mechanical properties for heat treatment at various solution times(solution temperature 510℃) Mechanical properties for heat treatment at different aging treatments Fig. 5 shows the mechanical properties for heat treatment at different aging temperatures(range from 150℃to190℃) under aging time of 7 h.
Compared with mechanical properties under other aging temperature, the obtained optimum temperature is 175℃.
Fig. 5 Mechanical properties for heat treatment at various aging temperatures(aging time 7h) Fig. 6 presents the mechanical properties for heat treatment at different aging times(range from 0 h to 10 h) under aging temperature 175℃.

The main factors and factors interaction that affected to surface finish were investigated.
Factors affected to quality of could be several factors such as feed, speed, depth of cut, cutting tool, mechanical load, thermal load, and abrasive load [1].
The properties of AISI 304 steel were showed in Table 1.
The Properties of Stainless Steel AISI 304 Chemical Composition [% wt.]
Data was collected and used to analysis by statistical methods to finding the factors affected to surface roughness.

The experimental matrix and regime factors of hot-pressing are in correlation with thicknesses of boards.
The MDF thickness has significant effect on its exploitation behavior and properties.
The above presented data clearly shows the actuality of this study aiming to establishing the effect of MDF thickness on its physical and mechanical properties.
The effect of MDF thickness on properties of boards is analyzed by deducing the approximating function using the least square method.
Analyses and Discussion The results of MDF properties at different experimental plan points are presented in Table 3.

The influence factors of bearing capacity of water-lubricated thrust bearing and its improving methods are studied.
Secondly, the main factors of affecting bearing capacity are analyzed.
Influence factors of water lubrication thrust bearing’s bearing capacity Materials and hardness match of bearing friction pair.
Many influence factors of thrust bearing, in addition to bearing material and hardness, the viscosity of the water, structure and design parameters are also the important factors that affect the bearing capacity, and the changes would affect the distribution of the bearing water film, so affecting the bearing capacity.
A study on material property and application of water lubricated bearings [In Chinese] [J].

The observation of crack initiation and fracture behavior reveals that the biaxial stresses have strong influence on the fracture properties of glass.
It is confirmed that the tensile stress parallel to the crack plane is an important factor affecting crack arrest, while the compressive stress parallel to the crack plane contributes to crack opening.
Numerical Model In MFPA 2D , the solid or structure is assumed to be composed of many elements with the small and fixed size, and the mechanical properties of these elements are assumed to conform to a given Weibull statistical distribution as defined in the following: ( ) m m u u u u u m uf      −      = − 0 1 00 exp (2) where u is the parameter of element properties (such as strength or elastic modulus); the scale parameter u0 is related to the average of element parameter and the shape parameter m defines the shape of the distribution function.
Table 1 gives the stress intensity factors for crack initiation and stress intensity factor for unstable crack propagation under different stress states.
This result again shows that the stress parallel to the crack has significant influence on the stress intensity factors in the crack tips.