Results 1 to 10 of about 22,962 (116)

Corrosion Resistance of Al_xCoCrFeNiM (M = Ti, V, Si, Mn, Cu) High Entropy Alloys in NaCl and H₂SO₄ Solutions

Metals, 2022
The electrochemical behavior of as-cast AlxCoCrFeNiM (M = Ti, V, Si, Mn, Cu) high entropy alloys (HEAs) in 1 M NaCl and 0.5 M H2SO4 solutions is studied. Polarization measurements were carried out in a standard three-electrode electrochemical cell with a
Svetlana Pratskova, Olga Samoilova, Egor Ageenko, Nataliya Shaburova, Ahmad Ostovari Moghaddam, Evgeny Trofimov   +5 more
doaj   +1 more source

Effect of Pt Addition on the Oxidation and Corrosion Resistance of Al_0.25CoCrFeNi High-Entropy Alloy

Metals, 2023
The effect of minor platinum alloying on the microstructure, phase composition, oxidation and corrosion resistance of Al0.25CoCrFeNi high-entropy alloy (HEA) has been studied.
Olga Samoilova, Svetlana Pratskova, Ilsiya Suleymanova, Nataliya Shaburova, Ahmad Ostovari Moghaddam, Evgeny Trofimov   +5 more
doaj   +1 more source

Microstructural Evolution of High-Entropy Intermetallic Compounds during Detonation Spraying

Metals, 2023
This study aims at investigating the feasibility of depositing quality coatings from various high-entropy intermetallic compounds (HEICs) using detonation spraying (DS). Four different HEIC coatings, namely (NbTaVCrTi)Al3, (NbTaVNiFe)Al3, (NbTaVZrHf)Al3,
Ahmad Ostovari Moghaddam, Mikhail Sudarikov, Nataliya Shaburova, Marina Polyakova, Marina Samodurova, Evgeny Trofimov   +5 more
doaj   +1 more source

Phenolic Compound Profile and Antioxidant Capacity of Flax (Linum usitatissimum L.) Harvested at Different Growth Stages

Molecules, 2023
The profile of phenolic compounds changes during the growth of a plant and this change affects its antioxidant potential. The aim of this research has been to find the growth stage of flax with the highest antioxidant capacity, and to determine the ...
Francesco Gai, Michał A. Janiak, Katarzyna Sulewska, Pier Giorgio Peiretti, Magdalena Karamać   +4 more
doaj   +1 more source

In Situ Medium Entropy Intermetallic Reinforced Composite Coating Fabricated by Additive Manufacturing

Metals, 2021
The possibility of stabilizing different amounts of medium-entropy intermetallic compounds (MEIMCs) within a multicomponent matrix using laser cladding is demonstrated.
Ahmad Ostovari Moghaddam, Nataliya Aleksandrovna Shaburova, Marina Nikolaevna Samodurova, Yuliya Sergeevna Latfulina, Dmitry Vyacheslavovich Mikhailov, Evgeny Alekseevich Trofimov   +5 more
doaj   +1 more source

Detonation Spraying of Ni-Based Composite Coatings Reinforced by High-Entropy Intermetallic Particles

Metals, 2023
Ni-based composite coatings reinforced by high-entropy intermetallic compounds (HEICs) were prepared by detonation spraying (DS) on low alloy steel substrates.
Ahmad Ostovari Moghaddam, Nataliya Shaburova, Majid Naseri, Yulia Latfulina, Marina Samodurova, Valerii Krymsky, Ksenia Litvinyuk, Evgeny Trofimov   +7 more
doaj   +1 more source

Studying the specific characteristics of the water of some wells in the city of Tikrit

Tikrit Journal of Pure Science, 2023
The study of the water of five wells in the city of Tikrit was conducted for the period from December 2016 to March 2017 where its ages ranged from 6 to 27 years and the depths between 90 - 120 m and are all used to irrigate crops and for washing.
Abd A. Hassan- Erdeni, , Ziad K. Jasim AL-Turshan   +1 more
doaj   +1 more source

Antioxidant Activity of Hydrolysates Prepared from Flaxseed Cake Proteins Using Pancreatin

Polish Journal of Food and Nutrition Sciences, 2014
Proteins were isolated from defatted flaxseed cake and hydrolysed with pancreatin. The hydrolysis process was conducted at a stable temperature of 50°C and pH 7.5, and monitored with the pH-stat method.
Karamać Magdalena, Kulczyk Anna, Sulewska Katarzyna   +2 more
doaj   +1 more source

Influence of the Ambient Relative Humidity on the Very-Long-Term DEF

Construction Materials, 2023
Relative humidity is a key parameter for the development of delayed ettringite formation (DEF). Here, new results of very-long-term experiments (10 years) are presented.
Thierry Houndonougbo, Boumediene Nedjar, Loic Divet, Jean-Michel Torrenti   +3 more
doaj   +1 more source

Genotype-Related Differences in the Phenolic Compound Profile and Antioxidant Activity of Extracts from Olive (Olea europaea L.) Leaves

Molecules, 2019
The phenolic compound contents and antioxidant activities of the leaf extracts of nine olive genotypes were determined, and the obtained data were analysed using chemometric techniques.
Hakime Hülya Orak, Magdalena Karamać, Ryszard Amarowicz, Adnan Orak, Kamila Penkacik   +4 more
doaj   +1 more source