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A set of factors affects the values of bulging area parameters: the indentation force F, the mechanical properties of the surface layer (using bilinear material model they are the yield stress σy and hardening modulus Eh), residual stresses.
Mechanical properties of material do not affect the value of index nd, but the diameter d0F depends on them.
Values W0d and index nw depend on the mechanical properties of the material.
The mathematical model, presented by equations (1) - (4), describes the complex impact of strength factor (indentation force F), geometry factor (diameter of the indentation d) and mechanical factors (material properties σy, Eh, residual stresses) on the geometric parameters of bulging area.
Distribution of displacements is affected by a number of factors: magnitude and sign of residual stresses, magnitude of indentation force, properties of material.

In order to study the effect of these factors on the forming properties and thickness distribution of molding bottle, the article builds the physical model and finite element model of PET bottle’s stretch blow molding process, and simulates stretch blow molding process by using POLYFLOW software for analyzing the thickness distribution of molding bottle.
There are many influencing factors in blowing process, such as the velocity of stretching rod, pre-blowing pressure and inflation pressure.
If a large number of entity experiments should be depended, there exists a lot of blindness due to many influence factors in the blowing process.
It can more comprehensively describe the behavior of PET materials under high elastic state of stress-strain, especially the stress relaxation properties of materials.
The mentioned conditions are unfavourable for the overall mechanical properties of the bottle.

Ti is one of the potential elements that can be expected to increase the mechanical properties of NiAl at elevated temperatures [10].
The objective of this work was to investigate the effect of Ti addition on the structure and mechanical properties of the formed phase prepared by Ni-Al-Ti system using combustion synthesis.
The relationship between Ti composition, microstructure and mechanical properties of the synthesized product is discussed.
There are a number of factors affecting the wear rate in the product.
The two main factors are the formation of intermetallic phases of Ni-Al-Ti systems and the formation of the oxides phase contained in the product.

The research about it at home and abroad mainly focuses on the basic material properties.
At present, the research mainly focuses on the basic material properties, including the physical and mechanical properties, energy dissipation, durability and so on.
But, studies on the mechanical properties of steel reinforced CRC as a structural component is seldom reported [2,3,4,5,6].
Eq.13 shows that the main factors affecting the cracking moment are the CRC tensile strength (), the peak compressive and tensile strain of CRC ( and ), the ultimate tensile strain of CRC (), the elasticity modulus of steel reinforcement () and the reinforcement ratio of the beam ().
There are many factors affecting the cracking moment, such as the CRC tensile strength, the peak compressive and tensile strain, the ultimate tensile strain, and so on

Due to the superior mechanical and thermal properties of SiCp/Al composites, their poor machinability has been the main deterrent to their substitution for metal parts.
In the past, the machinability of SiCp/Al composites has been studied by various researchers, and it is found that the morphology, distribution and volume fraction of the reinforcement phase, as well as the matrix properties, are all factors that affect the cutting process [4-6].
Results and discussion The measurement of cutting force components is highly essential to analyze more effectively the machinability properties of SiCp/Al composites.
On the other hand, the speed range in this study is not large enough to cause the machining properties varied remarkably.
The tool rake angle is another factor that affects the cutting force, so the cutting forces at different tool rake angles were also measured in the experiments.

The piezoelectric properties of the ceramics were investigated.
Piezoelectric properties measurement.
The electromechanical coupling factor (kp), mechanical quality factor (Qm) and dielectric temperature spectra were measured and calculated by the reasonance-antiresonance method using an Impedance Analyzer (Agilent E4980A, America).
The planar mode electromechanical coupling factor (kp) and mechanical quality factor (Qm) of the K0.5Na0.5Nb1-xTaxO3 ceramics were given in Fig.2(b).
The Ta5+ doping affects the piezoelectric properties of KNN ceramics to a certain degree due to the increase of the tetragonality of the lattice, and lead to the decrease in the TT-O and TC-T.

The drying temperature affect the mechanical properties of peroxide-vulcanized natural rubber latex films as the tensile strength values tended to decrease at drying temperature above 120 °C.
Measurement of Mechanical Properties.
Effect Of Prevulcanization Temperature And Time On Crosslink Density Mechanical Properties - Tensile Strength.
Effect Of Ageing On Mechanical Properties Of Natural Rubber Latex Films.
Although crosslink density is an important parameter, other factors also contribute to the high strength property of peroxide-vulcanized natural rubber latex films.

It was found that the cooling rate can affect the mechanical characteristics of the steel.
Introduction The mechanical properties of metallic materials are affected by their microstructure such as the grain size.
Regarding the effect of heat treatments on mechanical properties, a study was developed by Mamoun et al [11], to investigate the effect of heat treatment on the mechanical properties of chrome - coated XC100 steel.
The factors involved in the grain refining process are: alloying elements that can form fine precipitates.
Ramesh Kumarb, Evolution of microstructure and mechanical properties of D2 tool steel during.

Introduction There are a number of factors affecting the electric resistance of conductive aluminum alloys, such as the content of alloying elements and impurities, alloy defects and lattice defects, and material processing states, etc.
Table 2 Factors and their levels designed in orthogonal hardness test Factors T1 / oC t1 / h T2 / oC t2 / h Levels 1 100 1 180 1 2 120 3 200 3 3 140 5 220 5 Mechanical Property and Electric Conductivity Testing.
Wang, Effect of Ce addition on castability, mechanical properties and conductivity of Al-0.3%Si-0.2%Mg alloys, Int.
Wang, Effect of Ce addition on castability, mechanical properties and conductivity of commercial-purity aluminum, China Foundry 12(4) (2015) 277-284
Vietz, The basic processes affecting two-step ageing in an Al-Mg-Si alloy, Philosophical Magazine, 16(139) (1967) 51-76

Fabricated composites were subjected to heat treatment process for enhancing the mechanical properties.
It was observed from the literature studies that mechanical properties of the composite are better than the alloy and studies on mechanical and tribological properties Al7068 matrix reinforced graphite (Gr) to produce a hybrid composite.
The parameters selected for the tests were load, sliding speed and sliding distance which are the main factors affecting wear rate.
Samples were prepared for Mechanical properties testing.
It was found from the results that Hybrid composites showed better mechanical properties compared with Al6016 alloy.