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A thorough understanding of the electrical contact properties of CNTs helps to explore new methods to improve their contact resistance for full application of this unique group of materials.
Introduction Carbon nanotubes (CNTs) have attracted intense interest during the past two decades attributed to the small dimensions and particular properties in electronic, optical, mechanical, chemical and other aspects.
A second possible factor is the Fermi level alignment at the metal-SWCN interface.
Experimental factors.
In addition, contamination played an extraneous role in affecting the result.

When the temperature is higher than 660 ℃, the mechanical properties of the aluminum alloy actuator decrease seriously.
According to the calculation range of centrifuge rotation speed, the filling amount and rotation time determined by preliminary test as factors, three factors and three levels orthogonal test was designed.
Preparation and properties of anodic oxidation wear-resisting and anticorrosive coating on aluminum alloy[D].
Laser cladding of Ni - based alloy on aluminum alloy surface and its tribological properties[D].
Aluminum borophosphate glaze-coated aluminum alloy substrate: Coating properties and coating/substrate coupling, Ceramics International[J], 2021, 47(2): 2050-2057

The flux contamination of melts during casting can negatively affect mechanical properties as well as corrosion behaviour.
However, in amounts > 10 ppm, Be coarsens the microstructure of Mg castings and deteriorates mechanical properties [4,6].
But Ca is also an effective alloying element that influences mechanical properties, corrosion behaviour etc.
However, while Ca is well known to improve properties of some creep resistant alloys, it also causes problems with castability in high pressure die casting when used in the range of 2%.
You, Key factor influencing the ignition resistance of magnesium alloys at elevated temperatures: Scripta Materialia, (2011) 958 – 961

In Atmospheric Plasma Spraying (APS), it is important to understand the controlling factors dominating molten metal droplets’ reaction dynamics to control final coating compositions and properties.
The temperature and velocity variations within the droplet would influence the thermo-physical properties of the droplet and the plasma gas and it controls the onset of the internal circulations within the droplets.
During the APS process, in-flight particles’ evaporation and oxidation decrease the deposition efficiency and significantly affect the microstructure and properties of the coatings.
The Reynolds number is calculated based on the plasma gas velocity and plasma gas’ temperature-dependent properties.
These initial values with the temperature-dependent material properties of the droplets, including the specific heat capacity, specific enthalpy, specific entropy, density, surface tension, and viscosity, were used in the solver and the user-defined function to numerically simulate the droplet dynamics.

Based on the experimental results, some researchers studied the variation of the structure dynamic parameters related to the material properties in non-machining and machining states, such as natural frequencies, mode shapes and damping ratios, which should be considered in the modeling of the virtual machine tool[4-7].
Based on the structure, component material properties and movement features of the centerless grinding machine tool, the kinematic model of the feed system, dynamic characteristics of the grinding system and control technologies are combined for the development of the virtual centerless grinding machine.
Dynamic Study of the Grinding System Based on the Material Properties.
Among the mechanical system of the machine, the components which affect the process directly and remarkably contain the grinding wheelhead, control wheelhead and workrest assembly.
The material removal process and grindings forces are influenced by a lot of factors, such as the geometry and material properties of the workpiece and tool, machine characteristics, control techniques and machining parameters, etc.

There are many factors which influence the rate of spalling.
The size of pores depends on chemical and mechanical reactions.
The bigger pores and cracks could affect also the strength of the material.
The combination of chemical and mechanical changes in structure causes collapses and destructions of concrete microstructure.
Schwesinger, High performance concrete: material properties and design: proceedings of the Fourth Weimar Workshop on High Performance Concrete: Material Properties and Design held at Hochschule für Architektur und Bauwesen (HAB) Weimar, Germany, October 4th and 5th 1995.

Unfortunately these substances lack the necessary mechanical qualities, whereas the metals fail to fulfill the chemical and biological requirements.
The in vivo performance of such coatings depends on a large variety of factors such as chemical composition, crystallinity, phase purity, and resorption behavior.
However, thermally-sprayed hydroxyapatite coatings are affected by some disadvantages such as disintegration of the ceramic layer and detached ceramic fragments.
Cell number on materials 1-5 after 3, 7, 14 and 21 days Conclusion Bioactive ceramics are used as coatings on metallic implants, to combine the favourable biologic response of bioceramics with the stronger mechanical properties of metal prostheses.
Effect of the suspension composition on the microstructural properties of high velocity suspension flame sprayed (HVSFS) Al2O3 coatings.

Coal Mine Mobile Refuge Chamber with Square Cross Section Structure Finite Element Analysis Anning Zhang1,a, Yuming Gu1,b, Jinjun Tai2,c, Zhonghui Yin1,d, Xuequn Fan1,e, Binhui Zhang1,f 1School of Mechanical Engineering College, Anhui University of Science and Technology Huainan, Anhui Province 232001, P.R.
Fig. 1 Mobile refuge chamber three-dimensional model figure Chamber Strength Design and Stability Analysis Material Properties of the KJYF96/10 Mobile Refuge Chamber.
The overall chamber material is Q345 steel and material properties as Table 1 shows.
(3) Don't consider bolt connection, force, force transmission factors
In this case, after unloading stress is released, the material properties to a certain extent "Work Hardening" or strengthen.

The subsiding of the cultivated land in mining area leads to the surface humus soil crushing to the underground or getting erosion, and destroy the soil physical properties and chemical properties.
There are several characteristics of the solid waste, such as the numbers is huge, the sort is various, the physical and chemical properties are complex, and the disposal facilities are serious inadequate, the recycling utilization rate is low and so on.
Subsidence, digging and cover occupation of the land caused the cultivated land changes in surface characteristics and emergence of the crack, changed the original mechanical properties and irrigation and drainage facilities of cultivated land, and led to the changes of soil physical and chemical properties and soil environment indexes.
The water conservancy facilities were destroyed in mining separation and transportation process and the river way was blocked by striped surface soil and tail ores, leading to the trouble of water supplies and drainage and affecting the irrigation and drainage condition of cultivated land.
The productivity of cultivated land is affected by local economic, technical and farming conditions and other factors.

The density of the parts is approximately 100% with mechanical properties that even can beat conventional manufacturing processes like e.g. die casting [2].
To improve build rate by factor 10 an innovative laser concept is build up at Fraunhofer-ILT.
These process improvements help to build up aluminum parts quickly that are suited for eco-design due to its low weight and superior mechanical and chemical properties.
The manufacturing process e.g. can make a changed base material necessary or change parts properties.
As a result for an overall technology benchmark it is oblige to consider all factors to gain a comprehensive overview about suitable manufacturing techniques.