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The Effect of Alloying Elements on the Stability of Centerline Segregation Mihály Réger1,a, Balázs Verő 2,b, Ibolya Kardos3,c, Péter Varga 1,d 1 Budapest Tech, Bánki Donát Fac. of Mechanical and Safety Engineering, Hungary 2 Bay Zoltán Institution for Materials and Technology, Hungary 3 ISD DUNAFERR Co., Hungary a reger.mihaly@bgk.bmf.hu, bvero@bzaka.hu, cikardos@rt.dunaferr.hu, dvarga.peter@bgk.bmf.hu Keywords: centerline segregation, activity of carbon, effect of manganese, diffusional homogenization Abstract.
The centerline segregation is a disadvantageous failure of slabs which can affect the quality properties of the final products.
It is claimed by the authors without detailed explanation that manganese decreases the activity of carbon and this affects the carbon diffusion, but other elements like phosphorus can also play an important role [1].
Welding has a double role: it gives a rigid mechanical connection between the parts and protects the inner surfaces of the steel plates from oxidation.
The calculation method described above can be applied for this case by using the carbon activity field data and the "effective" carbon diffusion coefficient supposing that manganese does not affect considerably the value of the "effective" carbon diffusion coefficient.

Main factors may influence the results of the waterproof system of an underground structure.
Properties of spray-on membrane.
At present, the technical properties and practical experience available are mainly from the tests on Masterseal 340F and 345.
The results from tests results and practical case histories show that the roughness of the first sprayed concrete layer has no direct influence on the mechanical properties of the sprayed waterproofing membrane, such as bond strength of the sprayed concrete.
In the case of relatively permeable linings, the main factors that affect loads on tunnel linings due to water flow are relative wall rocks-lining stiffness, relative wall rocks-lining permeability, and geometric factors [6].

The Shape Memory Effect on Ni-Ti thin films is strongly dependent on several factors: (i) chemical composition of the matrix, (ii) presence of precipitates and (iii) preferential orientation.
Ni-Ti alloys derive their unique nonlinear and anisotropic mechanical behavior from stress-induced martensitic transformations, where the resulting strains are affected by crystallographic orientation.
Texture is known to influence the mechanical, magnetic and thermoelectrical properties of the films.
Bhattacharya and Kohn [5] have argued that crystallographic symmetry is a very important factor in determining the recoverable strains in polycrystals: alloys which undergo small change in symmetry (cubic to tetragonal or trigonal) have virtually no recoverable strains in polycrystals, while alloys which undergo large change in symmetry (cubic to orthorhombic or monoclinic) always recover at least some strain even in polycrystals.
Experimental set-up for in situ XRD The texture evolution during deposition is clearly affected by the substrate type and the ion bombardment of the growing film.

Polyethylene glycol 1500 is a hydrophilic plasticizer that is used to improve mechanical properties of films [9].
Studies of rheological properties The rheological properties of the prepared gels were measured using Brookfield DV III Ultra rheometer (Brookfield Engineering Laboratories Inc., Middleboro, MA, USA) operated by Rheocalc software.
Result and discussion Rheological properties The effect of BPO, PO and PEG 1500 amount on the rheology is shown in Fig. 1.
It is suggested that the incorporation of each drug or excipient caused no change in the rheological properties of the ERS systems.
Suess, The influence of different plasticizers and polymers on the mechanical and thermal properties, porosity and drug permeability of free shellac films, Drug Dev.

Laser sintered polyamide 12 parts provide sufficient mechanical properties for many applications [4].
Thus, a 3D-structure may, on the one hand, provide enhanced dimensional accuracy and, on the other hand, specific mechanical properties and a reduced component weight.
The substitution of a solid volume with a less dense structure weakens the part’s mechanical properties.
For these experiments a structure with the highest mechanical properties is chosen.
Previous experiments have shown that the octet-structure provides increased mechanical properties.

The high energy ion beam irradiation of polymer is a sensitive technique to enhance its electrical conductivity, structural, mechanical and optical properties.
Electrical properties (I-V) were measured by four probe method.
It may be due to the higher rate of electronic energy loss of swift heavy ions, which affects the optical properties of polymers to a greater extent.
Dkamoto, Paramagnetic and Electric Properties of Polyacetylene, J.
Nazzai, The Structure and Mechanical Properties of Polypyrrole, Mol.

And the morphologies of the initial aluminum films were found to be critical factors for successfully anodizing the Al film on 316L SS surface.
However, the polymer coating is subjected to mechanical damaged at the time of stent implantation [2].
Recently, porous DES, which was defined as endovascular stents with a surface or internal porosity that functioned as a reservoir for a continuous release of antirestenotic agents [5], has attracted wide attention due to its promising application potential in offering desirable drug elution properties as well as favorable clinical outcomes [6,7].
But up to now, there only a few technologies used to create porous stents, such as coating the stents with nanoporous aluminum oxide film [8] or manufacturing the stent surface or body itself by mechanical surface modification [9,10], and laser-cut manufacturing[6].
A further increase in the current density, as shown in Fig. 1c and d, seems fail to affect the morphology of the aluminum layer so much as in the case of lower current densities.

The influence of temperature above 100℃ on concrete is apparent: besides the degradation of material strength which is usual for high temperature, decomposition of materials within concrete, phase change and moisture movement within concrete will seriously affect the mechanical behaviour of concrete everywhere.
Mechanical behaviour is the major factor determining the bearing capacity of a concrete structure under room temperature.
This model is essentially a chemical-hydro-thermo-mechanical model.
Constitutive equations for the mechanical response of the solid phase.
F., Concrete at High Temperature: Material Properties and Mathematical Models[M].

Mechanical properties of the composites were evaluated through compressive strength and water absorption capacity test.
Aluminosilicate framework on a zeolite-clay composite can be modified with white cement to improve mechanical properties and resistance in an aqueous medium.
Kunarti, Rochmadi, Effect of zeolite addition on the properties of bioplastic composites of carboxymethyl cellulose-urea, Mater.
Siqueira, Compressive strength and electrical properties of concrete with white portland cement and blast-furnace slag, Cem.
Pişkin, Characterization of fly ash and its effects on the compressive strength properties of Portland cement, Indian J.

The mechanical behaviour of materials is also affected by microstructural features.
This composite system has gained great interest in recent years due to its paramagnetic properties, excellent resistance to wear and corrosion, and high hardness.
Finally, imaging techniques such as neutron tomography and X-ray microtomography were presented, with an example of their application for the determination of some structural features of cellular in materials for aerospace technology, and their correlation to mechanical properties.
Spinozzi, Innovative Technological Materials (Structural Properties by Neutron Scattering, Synchrotron Radiation and Modeling), Editors: J.J.
Ashby, Cellular Solids: Structure and Properties, Cambridge University Press (1999), ISBN 0521499119.