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Article
Experimental Characterization of Surface Roughness Using Magnetorheological Abrasive Flow Finishing Process on AISI D3 Steel
The main objective of the present work is to develop a novel finishing process to polish the die steel materials with the use of magnetorheological fluid and also to investigate the effects of the input proces...
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Article
Enhancing the Environmentally Assisted Cracking Resistance of Aircraft Quality Al Alloy of Type AA7075 Stiffened with Polymer Matrix Composite Using Cerium Chloride Inhibitor
This study explores a methodology to raise environmentally assisted cracking resistance of alclad Al–Zn–Mg–Cu (AA7075) alloy, used in aircraft structures, stiffened with polymer matrix composite asymmetric pat...
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Chapter and Conference Paper
Design of Dynamic Scale Model of Long Endurance Unmanned Aerial Vehicle
Dynamic scale model of aircraft is a model established in accordance with the laws of dynamic similitude and used in the research of flutter and other aeroelastic facts [1]. A result obtained under laboratory con...
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Article
Stress Corrosion Cracking of a Maraging Steel Shear Bolt Used in the Interstage Structure of a Satellite Launch Vehicle
M250 grade maraging steel is used widely in satellite launch vehicle structures due to its excellent combination of strength and toughness. One of the maraging steel bolts used in interstage structures was fou...
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Article
On Chemical Synthesis of Electrochemical Reduction of Titanium Dioxide (TIO2) to Titanium Metal
The process of electrochemical reduction of titanium dioxide to titanium metal has been studied in detail through extensive experimentation in grams scale to 5–8 kg scale. The objective of this study has been ...
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Article
Fabrication of Ni0.4Zn0.6Fe2O4–BaTiO3 bilayered thin films obtained by spray pyrolysis method for magnetoelectric (ME) effect measurement
The Ni0.4Zn0.6Fe2O4 ferrite, BaTiO3 ferroelectric and Ni0.4Zn0.6Fe2O4–BaTiO3 bilayered magnetoelectric thin films have been synthesized onto the quartz substrates at optimized substrate temperatures (400, 250 °C)...
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Article
Photoelectrocatalytic degradation of methyl blue using sprayed WO3 thin films
WO3 thin films have been deposited using simple chemical spray pyrolysis technique and successfully applied as photoanode for photoelectrocatalytic degradation of methylene blue. The films were deposited on bare ...
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Chapter
Multi-scale Modeling of the Stress-Strain State During Welding of Ni-Based Alloys
Numerical modeling of changes of stress-strain state in welding of alloys of Ni-Cr–Fe alloying system at macro- and mesoscales was carried out. The kinetics of changes of stresses and deformations in the weld ...
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Article
Photoelectrocatalytic degradation of methyl red using sprayed WO3 thin films under visible light irradiation
WO3 thin films have been deposited onto glass and FTO coated glass substrates using simple chemical spray pyrolysis technique. The effect of solution concentration on the photoelectrochemical (PEC), structural, m...
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Article
Evaluation of the Competitiveness of Wall Building Materials with Glassy Protective-Decorative Coatings Obtained by Plasma Fusing
The results of research on the development of a desirability scale for evaluating the competitiveness of wall building materials with glassy protective-decorative coatings obtained by plasma fusing are present...
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Article
Sulfidation Characteristics of an Advanced Superalloy and Comparison with Other Superalloys Intended for Gas Turbine Use
Sulfidation may occur even in an overall oxidizing environment beneath a corrosion product which assumes the role of a diffusion barrier allowing sulfur species transport at a faster rate when compared with th...
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Article
Synthesis and characterization of cobalt–nickel alloy nanowires
We report on the synthesis and magnetic characterization of ordered arrays of cobalt–nickel alloy nanowires. These alloy nanowires were electrodeposited into the pores of anodic alumina templates. The physical...
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Article
Work-Hardening Behavior of the Ni-Fe Based Superalloy IN718
Flow behavior of many metals and alloys in the region of uniform plastic strain is normally expressed by the simple power law relationship (σ = Kε p ...
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Article
Charge transfer at the antiscale composite layer-electrolyte interface
Properties of composite coatings based on oxide layers formed on a titanium surface using the plasmic electrolytic oxidation method and processed using Forum® superdispersed polytetrafluorinethylene were inves...
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Article
Structural characterization and thermally stimulated discharge conductivity (TSDC) study in polymer thin films
The electrical conductivity of naphthalene doped polystyrene (PS) films (≈61·58 μm thick) was studied as a function of dopant concentration and temperature. The formation of charge transfer (CT) complexes and ...
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Article
Size dependent optical characteristics of chemically deposited nanostructured ZnS thin films
ZnS thin films of different thicknesses were prepared by chemical bath deposition using thiourea and zinc acetate as S2− and Zn2+ source. The effect of film thickness on the optical and structural properties was ...
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Chapter and Conference Paper
PHYSICAL PROCESSES ON THE SURFACE OF FIELD EMISSION CATHODES BASED ON CARBON NANOSTRUCTURAL MATERIALS
The degradation mechanism of field emission cathodes based on carbon nanostructural materials was investigated in the presented work. Emission current instability came from the adsorption desorption processes ...
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Chapter and Conference Paper
DESCRIPTION OF PHASE EQUILIBRIUMS IN INTERMETALLIC COMPOUNDS WITHIN THE PERTURBATION THEORY
A phase equilibriums in intermetallic compounds hydrides in the area of disordered α-,β -phase in the framework of the model of non-ideal lattice gas are description. LaNi5 hydride was chosen as the subject for t...
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Chapter and Conference Paper
TECHNICAL AND TECHNOLOGICAL METHODS OF REALIZATION OF STEAM CATALYTIC CONVERSION OF NATURAL GAS WITH A METHANE-WATER PROPORTION CLOSE TO STOICHIOMETRIC RATIO
The experimental results and also results of industrial tests on realization of the catalytic conversion of the natural gas in a warmed pipe with the purpose of reception of a gas mix of CO and H2 without H2 and ...
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Chapter and Conference Paper
INTERBAND ELECTRON TRANSITIONS IN THE ALLOYED C60 FILMS WITH THE IONIC DEFECT FORMATION
The spectral dependence of photoluminescence and optical conductivity for the solid C60 and Cd-C60 films (with the admixture of C70 fullerenes) are studied under irradiation by argon ions with different doses.