Search results

The properties are ensured by aluminizing the steel, i.e. applying a layer of aluminum of the required thickness to its surface.
Another factor influencing the properties of the diffusion zone is the use of alloying elements.
It should negatively affect the adhesion strength values.
Trunov, Investigation of the effect of explosion welding and heat treatment modes on the structure and properties of AD1-steelST3 bimetal, Bul.
Sik, Mechanical and microstructural properties of robotic Cold Metal Transfer (CMT) welded 5083-H111 and 6082-T651 aluminum alloys, Mat.

This reaction can be influenced by several factors, such as the soil properties, pH and temperature.
This mixture results in a material with properties similar to the Portland cement.
However, in other properties this addition is not always beneficial, sometimes occurring a decrease on mechanical strengths.
This viscosity control is important, once it has influence on the amount of water used and on the mechanical properties [21].
The effect of linseed oil on the properties of lime-based restoration mortars.

The application of these processes depends on the equilibria established between the following properties of the pollutants: solubility in water and air, adsorption in soil and air and the ratio between the liquid phase and the gas phase at different temperatures and pressures.
In addition to the characteristics of pollutants, an important role in the applicability of soil depollution processes with the help of air currents is played by the properties of the soil.
Soils are characterized by certain physical, chemical and biological properties.
The composition and arrangement of soil components determine a number of qualities or properties that influence the retention and migration of pollutants, while suggesting the possibility of depollution.
The preparation of soil samples for the determination of physical and mechanical properties is carried out, either on the soil as such, fresh or previously dried at room temperature, depending on the parameters we follow.

Introduction More than 20 000 tonnes of dry weight sewage sludge are produced in Latvia per year that adversely affects the environment.
For the STP to be used in the production of building materials, there is a number of problems faced by the researchers: STP sludge humidity, porosity and hygienisation of the material, which adversely affects the product and does not improve operating properties of the material mentioned above.
STP sludge humidity is a key factor for making their processing expensive.
According to the studies carried out at the University of Lulea, it was concluded that it is necessary to use certain freezing parameters in order to obtain a better product: the freezing temperature should be set at a value less than or equal to 10°C; One freezing cycle is sufficient to obtain good results for sludge; In the thawing period water must be provided with free flow out for the loose water to drain, not only for evaporation; STP sludge chemical composition and impurities as the oil are important because it will affect the freeze/unfreeze period [6].
This composition by physical-mechanical properties is comparable to industrial Keraterm blocks.

Impact on Solidification Dendrite Growth by Interfacial Atomic Motion Time with Phase-Field Method Yuhong Zhao1, a, Weijin Liu1, b, Hua Hou1, c *and Yuhui Zhao2, d 1College of Materials Science and Engineering, North University of China, Taiyuan, 030051, China 2Department of Mechanical and Electronic Engineering, Hebei College of Industry and Technology, Shijiazhuang 050091 azyh388@sina.com, bjxlwj2008@163.com, chouhua@263.net, dzyh_33601@sina.com Keywords: Interface atoms, Undercooled melts, Dendrite growth in two-dimension/three-dimension, Phase-Field Method.
The existence of boundary can influence the mechanics, physical properties and chemical properties strongly.
The interface atomic motion time parametercan affect the speed of the liquid atoms around adding to the interface as well as the growth velocity of dendrite.
(2) Here,,,,are the interface width, relaxation time, thermal diffusion coefficient and coupling factor, respectively.
Parameter d0 and model parameter D can be linked together by asymptotic analysis method. d0 and D should be based on the properties of materials, here we choose d0 and D in this paper for simplicity, and change the coupling coefficient by changing the thermal diffusion coefficient.

At the same time are geometrical device dimensions closing up with the quantum-mechanical length scale of conduction electrons.
It has been found, that electrical, mechanical and other properties of such microscopic wires change significantly as width narrows to the extreme nanoscale.
Yet long before quantum mechanics enters the field of nanoscale metallic wires, another physical phenomenon affects their reliability.
Copper with its inherent properties of low electrical resistance (bulk value ρ=1.55 µΩcm) and considerable electromigration endurance naturally became the metal of interest with the potential to meet up to challenges of the 0.13 and 0.10 µm technologies.
Indeed, the simple jellium model, where the delocalized valence electrons move in a homogeneous positive charge background (jellium) has long been used to study electronic ground-state properties of metals, and more recently also of small metal clusters [15].

The produced fusion weld as an integral part of the whole cast is one of the factors determining its functional properties.
Chemical composition and properties of the QE22 alloy.
Acknowledgements The study has been financed within the project N N507 244240 “Structure and properties of welded joints of cast magnesium alloys in simulated operating conditions”.
Rzychoń, Magnesium Alloy – microstructure, properties and applications in: W.
Kiełbus, Structure and mechanical properties of casting MSR-B magnesium alloy, JAMME 18 (2006) 131-134

Furthermore, these advanced material properties lead to relatively high process loads for the presses and tools during forming and shear cutting operations, accelerating their wear [2].
It is mainly caused by an elastic strain recovery of material after unloading and can significantly affect the dimensional quality of the formed part.
Research work by ul Hassan et al. [5] identified the strain dependency of Young’s modulus and strain hardening as two important and sensitive factors on springback.
For these reasons, sophisticated process planning of forming tools and processes require an accurate springback prediction based on proper descriptions of elastic and plastic material properties.
First, a conventional determination of elastic-plastic material properties was done by standardized uniaxial tensile tests [11].

The difference in salinity levels can be caused by several factors, namely rainfall, water circulation patterns, evaporation, and the presence of river flow mixed in seawater [16].
These interactions are expected to make the properties of calcium alginate silica gel more stable and have high selectivity to NaCl.
Where, the higher the ion selectivity properties, the more ions will be absorbed [24].
Sodium Alginate Film: the Effect of Crosslinker on Physical and Mechanical Properties [20] Kamisyah, S., Sapar, A., Brilliantoro, R., & Sayekti, E. (2020).
Sodium alginate film: The effect of crosslinker on physical and mechanical properties.

Effect of mesh topologies on wall heat transfer and pressure loss prediction of a blade coolant passage Marwan Effendy1, 2, a, Yufeng Yao2,b and Jun Yao3,c 1Department of Mechanical Engineering, Muhammadiyah University of Surakarta, Jl.
The Reynolds number (ReL0) varies in a range of 9000 - 36000, based on air properties and hydraulic diameter in the L0 region of inlet section.
Figure 2 gives predicted pin-fin HTC and total friction factor of both unstructured and structured meshes, in comparison with test data.
Furthermore, the increase of surface roughness will affect the near wall turbulent flow structure, motion and development.
This is one of key factors in using unstructured mesh to produce accurate predictions of both wall heat transfer and pressure loss.