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When in the operation process, it must undergo corrosions in different kinds of environmental factors such as high temperature, humidity, salt fog, etc.
Influenced by external factors, the tip of the blades and the leaf edges may emerge the state of cracking, tearing-up as well as damaging.
Hydrone diffusion and ultraviolet radiation are the main factors that lead to the aging of materials and corrosion of blades.
Visco: Comparison of seawater absorption properties of thermosetrsins based composites.
Li, and et al: Effect of salt spray on mechanical properties of glass fiber reinforced polymer composites.

Comparison for experimental values of fcu and fts with calculated values using linear fitting Main conclusions (1) Porosity is the main factor affecting the strength of pervious concrete, and the impact on compressive strength is greater than that on splitting strength
Several factors impacting on the performance of porous pervious concrete, Journal of Building Materials, October 2005.
Influencing Factors of Strength and Water Permeability of Pervious Concrete, Concrete 3, 2008 (total No.221).
Experimental Study on Physical and Mechanical Properties of Pervious Concrete.
Experimental Study on Number of Influencing Factors to Strength and Contractile Properties of Pervious Concrete.

The influence of these factors on the fatigue behavior of spot welded joints made of AHSS has not been sufficiently taken into account.
As a simplification, equal mechanical properties were assumed for the fusion zone and the HAZ.
Nugget diameter and sheet thickness, as the usually suspected influencing factors, were kept constant during the investigations.
K., “Fatigue properties and failure characterization of spot welded high strength steel sheet” International Journal of Fatigue Volume 29, Issue 5, (2007), pp. 879-886 [3] Rathbun, R.
H. et al., “An investigation of the effect of the gapvalues between the overlap portions of the spot-welded pieces on fatigue life”, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, vol. 222, Number 6, (2008), pp. 881-890 [10] Hahn, O. and Flüggen, F., „Influence of cyclic loading on the mechanical properties of components: Proc DVS-Congress "Spot welding", May 2010, pp. 180-191 [11] Davidson, J.

According to the test data, the factors that influence the carbon black conveying performance are analysed.
Among the influence factors of carbon black fragmentation rate are the lengh and layout of pipeline, which determine the size of conveying resistance, collision and friction probability between particles and inner wall.
Because the carbon black fragmentation rate is directly related to the physical and mechanical properties of rubber and lower fragmentation rate is better.
However, the lack of design or the illogical setting of conveying technics parameters may affect the advantage of dense phase pneumatic conveying system.
There are many factors such as carbon black physical properties and bulk density, conveying speed, open pressure of the blow pot, pipe materials and its arrangement, and so on, which affect carbon black conveying in the dense phase pneumatic conveying system.

Tool technology is key factor which will make influence to the efficiency and precision of HSM.
The failure of the HSM tool is mainly depends on the thermal properties which include Melting point, heat resistance, oxidation resistance, high temperature mechanical properties and thermal shock resistance.
Selecting the materials for high-speed machining tool must match with processing properties of the object, which mainly refer to the mechanical properties, physical properties, chemical properties of processing objects.
This is the important factor that the BIG-PLUS structure can popularize in HSM.
Zhou, et al: Mechanical design and manufacturing, (2005), p. 128-131 [5] S.L.

However, the wettability of TiC phase and metallic binder phase is poor, leading to low density and high porosity of the sintered alloy, which seriously affects its mechanical properties and operational performance.
Mechanical properties of the alloy.
In fact, the factors affecting the toughness of the alloy are not only the mean grain size, but also composition, microstructure, bonding phase and density, and so on.
Microstructure and mechanical properties of TiC-TiN based cermets for tools application.
Influence of Mo on the microstructure and mechanical properties of TiC based cermets.

This technology is limited by mechanical properties of the coating and bad adhesion to the substrates.
Intorduction Plastics, due to their low cost, good mechanical properties, and easy high-temperature processability, are widely used to prepare biomedical devices and food packaging.
Use of functional coatings is worth when specific surface properties are required, allowing the surface properties of a given substrate to be modified keeping unchanged the bulk properties.
In order to meet the required functionality and durability, good mechanical properties of the coating and good adhesion to the substrate are hard required.
The transparency of PET was not significantly affected and the specific surface area was improved a factor two.

The effects of pulse current and Nitrogen content in Argon shielding gas on the microstructure and mechanical properties of weld metal were studied.
Introduction Austenitic stainless steels have been widely used in a variety of industries and environments because of their good corrosion resistance, mechanical properties and weldability [1].
Shahi, Effect of heat input on the microstructure and mechanical properties of gas tungsten arc welded AISI 304 stainless steel joints, Mater.
[24] Wislei Riuper Oso´ rio, Amauri Garcia, Modeling dendritic structure and mechanical properties of Zn–Al alloys as a function of solidification conditions, Mater.
SANTOS, AMAURI GARCIA, Correlation between Unsteady-State Solidification Conditions, Dendrite Spacings, and Mechanical Properties of Al-Cu Alloys, Met.

Finally, relations between length and width of fibres and shape factors were calculated.
A high shape factor means straight fibres and gives in most cases good mechanical properties in the sheet.
However, significant influence on properties of pulp and paper can have the lower length and width of fibres.
Teischinger, Indented rings (hazel growth) of Norway spruce reduce anisotropy of mechanical properties, Wood Science & Technology, 46 (2012) 1239-1246
Variation in the pulping properties of Sitka spruce (Picea sitchensis), Holzforschung 20 (1966) 155

These differences would affect the cost, how quickly the object can be materialized, and would also affect the mechanical strength of the object.
Sezer and Eren in 2019[4] incorporated multiwall carbon nanotubes (MWCNT) in ABS in order to obtain a filament with improved mechanical and electrical properties.
The 3D-printed tensile test specimens were then subjected to universal testing machine (UTM) (Instron 5585H, USA) for mechanical properties determination.
Considering that the rest of the factors remains controlled and is considered to be constant, then the changes in the composition of the composite can be attributed to the changes in the peak intensities.
Coli and the 3 samples Mechanical Properties.