41 Result(s)
within
Article
V. S. **ale
Materials Science
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Article
Process Mechanisms and Variables Affecting Shock-Consolidation of Diamond Powders
Shock consolidation was utilized to compact diamond powders for fabrication of 10 mm diameter by 1 mm thick wafers for possible electronic thermal-management substrate applications. In an effort to optimize th...
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High Temperature Air and Steam Oxidation and Fireside Corrosion Behavior of 304HCu Stainless Steel: Dichotomous Role of Grain Boundary Engineering
The 304HCu stainless steel is a candidate material for superheater and reheater tubes in advanced ultra-supercritical power plants due to its excellent creep and oxidation resistance. However, these operating ...
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Article
Chemical synthesis of manganese ferrite thin films for energy storage application
For the first time, simple chemical bath deposition method was used for the deposition of manganese ferrite (MnFe2O4) thin films on stainless steel substrate. The X-ray diffraction study showed cubic spinel cryst...
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Effect of Long-Term Exposure on Microstructure and Hardness of Aged Haynes 282 Alloy
Nickel-based superalloy, Haynes 282, is a promising material for aero and land-based gas turbine applications and advanced ultra-supercritical (AUSC) steam power plants due to its outstanding combination of hi...
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Effect of gamma-ray irradiation on structural and optical property of WSe2 film
In the present work, RF sputtering synthesis method is used for the synthesis of tungsten diselenide (WSe2) films. These WSe2 films were studied using X-ray diffraction (XRD), Raman spectroscopy, X-ray photoelect...
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Article
Improvement of Hot Rolling Technology to Reduce the “Rolled-in Scale” Defect
Based on the results of the published literature and production experience, technical and technological measures were developed and implemented to reduce the «rolled-in scale» defect: collectors with water des...
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Development of an Efficient Acid Pickling Bath for Hot-Rolled Steel Coil
The work aims to understand the influence of oxide scales and chloride ions on the pickling behaviour of hot-rolled steel coil. The thickness and nature of the oxide scale (such as the content of the phases an...
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Effect of Nanocrystalline Structure on the Oxidation Behavior of Fe–20Cr–3Al Alloy at High Temperatures
Oxidation behavior of nanocrystalline and microcrystalline Fe–20Cr–3Al alloys was investigated at high temperatures (500–800 °C) in the present study. The nanocrystalline Fe–20Cr–3Al alloy was synthesized by h...
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Oxidation Behaviour of Ni-Base Superalloys in Supercritical Water: A Review
In the quest for creating a sustainable future, coal-fired boilers and nuclear reactors are increasingly moving towards higher steam temperatures and pressures that can help in reducing emissions and increase ...
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Article
Effect of the Temperature–Speed Hot-Rolling Conditions on Scale Formation
The influence of the parameters of a through technology on a rolled-in scale defect is analyzed. To study the influence of the temperature behind stand no. 6 of the 2000 hot-rolling mill in sheet rolling shop ...
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Article
Ratcheting Fatigue Behavior of Modified 9Cr–1Mo Steel at Room Temperature
Fusion reactor components undergo asymmetric cyclic loading,that leads to a progressive increase in plastic strain and causes deterioration in life of engineering components. This investigation deals with fati...
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Article
Processing Finely Dispersed Technogenic Raw Materials for Aluminum Production in Order to Extract Valuable Components
The results of experimental work on the hydrometallurgical processing of finely dispersed technogenic raw materials for primary aluminum production in electrolyzers with self-baking anodes (using the example o...
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Article
Studies on structural, spectral and morphological properties of co-precipitation derived Co-doped ZnO nanocapsules for NO2 sensing applications
Pristine and Co-doped ZnO (CZ) nanocapsules (NCs) have been successfully prepared using a simple and cost-effective co-precipitation method. The effect of 1–4 at.% Co-doped ZnO (C1Z–C4Z) samples on physicochemica...
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Thin Zn1 – xMnxO Films (x = 1–4 at %) by Chemical Bath Deposition: Influence of Dopant Concentration
Thin films of Zn1–xMnxO (x = 1–4 at %) were applied onto a glass substrate by low-cost chemical bath deposition (CBD). The films were characterized by XRD, UV–VIS absorption spectra, SEM, and vibrating sample mag...
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Article
Enhanced NO2 gas sensing performance of Ni-doped ZnO nanostructures
Pure and 1–4 at.% Ni-doped ZnO (N0Z-N4Z) nanostructures have been successfully prepared by simple and cost-effective co-precipitation method. The prepared nanostructures were studied using XRD, FESEM, HRTEM, EDX,...
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Article
Challenges in the Development of Electrochemical Reduction of TiO2 to Titanium Metal
Electrochemical reduction of metal oxides to metal has been gaining attention world over due to inherent advantages of simplicity of the process, energy savings and minimal environmental burden compared to con...
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Article
Supercapacitive Performance of Lithium Doped and Undoped NiFe2O4 Thin Films by Chemical Deposition Method
Lithium (Li) doped and undoped NiFe2O4 thin films for supercapacitor application have been prepared through the chemical deposition method. The Li doped and undoped NiFe2O4 thin films for structural, morphologica...
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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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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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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...
