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View article: Microstructure and Mechanical and Corrosion Behavior of Novel High-Entropy CoCrFeNiSiVx (x = 0.25; 0.5; 0.75; 1.0) Alloys
Microstructure and Mechanical and Corrosion Behavior of Novel High-Entropy CoCrFeNiSiVx (x = 0.25; 0.5; 0.75; 1.0) Alloys Open
In this work, a series of novel high-entropy alloys CoCrFeNiSiVx (x = 0.25; 0.5; 0.75; 1.0) with an intermetallic compound structure was proposed. The effect of vanadium addition on the structure, as well as selected mechanical and corrosi…
View article: Effect of TiB2 Phase and Cooling Rate on Microstructure, Wear and Anticorrosion Properties of AlCoFeNiTiB High-Entropy Alloy
Effect of TiB2 Phase and Cooling Rate on Microstructure, Wear and Anticorrosion Properties of AlCoFeNiTiB High-Entropy Alloy Open
This paper presents the results of research on the structure and properties of the AlCoFeNiTiB high-entropy alloy (HEA) obtained by two casting methods. Microstructural studies confirmed the formation of the BCC, TiB 2 , and L2 1 phases in…
View article: The effect of cooling rate and content of niobium on the structure, wear and corrosion resistance of CoCrFeNiNbx high entropy alloys
The effect of cooling rate and content of niobium on the structure, wear and corrosion resistance of CoCrFeNiNbx high entropy alloys Open
In this work, CoCrFeNiNb x (x = 0.25, 0.45 and 0.65) high entropy alloys were prepared by two different methods to determine the effect of cooling rate and the niobium content on the structure and properties of ingots and plates. The struc…
View article: Electrodeposited CoFeNi Medium-Entropy Alloy Coating on a Copper Substrate from Chlorides Solution with Enhanced Corrosion Resistance
Electrodeposited CoFeNi Medium-Entropy Alloy Coating on a Copper Substrate from Chlorides Solution with Enhanced Corrosion Resistance Open
Medium-entropy alloys (MEAs) exhibit properties comparable or even superior to high-entropy alloys (HEAs). Due to their very good resistance in thermomechanical conditions and corrosive environments and unique electrical and magnetic prope…
View article: Effect of Cu addition on microstructure, wear, and corrosion resistance of AlCoCrFeNiSi0.5Cux (x = 0.01, 0.05, 0.1) high-entropy alloys
Effect of Cu addition on microstructure, wear, and corrosion resistance of AlCoCrFeNiSi0.5Cux (x = 0.01, 0.05, 0.1) high-entropy alloys Open
The influence of copper addition on the structure and selected properties of AlCoCrFeNiSi 0.5 Cu x high-entropy alloys is described. Slowly cooled ingots were prepared by induction melting, and the samples in the form of plates were obtain…
View article: Characteristics of Mg-Zn-Ca-Pr Alloy Synthesized by Mechanical Alloying
Characteristics of Mg-Zn-Ca-Pr Alloy Synthesized by Mechanical Alloying Open
Magnesium-based materials are an interesting solution in terms of medical applications. Alloys that are hard to obtain via standard means may be manufactured via mechanical alloying (MA), which allows the production of materials with compl…
View article: Structure and Corrosion Behavior of Multiphase Intermetallic ZrCu-Based Alloys
Structure and Corrosion Behavior of Multiphase Intermetallic ZrCu-Based Alloys Open
Zirconium-based alloys are highly regarded by the research community for their exceptional corrosion resistance, thermal stability, and mechanical properties. In our work, we investigated two newly developed alloys, Zr42.42Cu41.18Al9.35Ag7…
View article: Multiphase Al-Zr-Fe alloys with intermetallic compound structure: Mechanisms of corrosion in 3.5 % NaCl and H3BO3 aqueous solutions
Multiphase Al-Zr-Fe alloys with intermetallic compound structure: Mechanisms of corrosion in 3.5 % NaCl and H3BO3 aqueous solutions Open
In this study, the structure of Al65Zr20Fe15 and Al71Zr24Fe5 alloys was studied using neutron diffraction and SEM with EDX maps. This paper presents the electrochemical measurement results performed in 3.5 % NaCl, H3BO3, and 3.5 % NaCl+H3B…
View article: Non-Isothermal Analysis of the Crystallization Kinetics of Amorphous Mg72Zn27Pt1 and Mg72Zn27Ag1 Alloys
Non-Isothermal Analysis of the Crystallization Kinetics of Amorphous Mg72Zn27Pt1 and Mg72Zn27Ag1 Alloys Open
In this study, thin ribbons of amorphous Mg72Zn27Pt1 and Mg72Zn27Ag1 alloys with potential use in biomedicine were analyzed in terms of the crystallization mechanism. Non-isothermal annealing in differential scanning calorimetry (DSC) with…
View article: Structural characterization of newly-developed Al79Ni5Fe5Y11 and Al79Ni11Fe5Y5 alloys with amorphous matrixes
Structural characterization of newly-developed Al79Ni5Fe5Y11 and Al79Ni11Fe5Y5 alloys with amorphous matrixes Open
The low glass-forming ability of aluminium-based metallic glasses significantly limits their development and preparation. This paper updates the current state of knowledge by presenting the results of structural studies of two newly-develo…
View article: Flower-like magnetite nanoparticles with unfunctionalized surface as an efficient catalyst in photo-Fenton degradation of chemical dyes
Flower-like magnetite nanoparticles with unfunctionalized surface as an efficient catalyst in photo-Fenton degradation of chemical dyes Open
Flower-like magnetite nanoflowers (Fe3O4 NFs) were synthesized in this study using a new, highly scalable, modified co-precipitation method. The heterogeneous photo-Fenton process was optimized for the degradation of Rhodamine B using sodi…
View article: Photocatalytic Decolourization of Rhodamine B by Modified Photo-Fenton Process with Quasicrystals – Preliminary Research
Photocatalytic Decolourization of Rhodamine B by Modified Photo-Fenton Process with Quasicrystals – Preliminary Research Open
A novel photocatalytic process using a modification of photo-Fenton reaction, with sodium percarbonate (SP), as an alternative source of H 2 O 2 , and alloy Al 65 Cu 20 Fe 15 containing, among others, quasicrystals (of the percentage compo…
View article: Electrochemical behavior and morphology of selected sintered samples of Mg65Zn30Ca4Pr1 alloy
Electrochemical behavior and morphology of selected sintered samples of Mg65Zn30Ca4Pr1 alloy Open
In order to investigate the effect of the milling time on the corrosion resistance of the Mg65Zn30Ca4Pr1 alloy, powders of the alloy were prepared and milled for 13, 20, and 70 hours, respectively. The samples were sintered using spark pla…
View article: Influence of annealing conditions on changes of the structure and selected properties of Al88Y7Fe5 and Al88Y6Fe6 alloys
Influence of annealing conditions on changes of the structure and selected properties of Al88Y7Fe5 and Al88Y6Fe6 alloys Open
Al-Y-Fe amorphous and nanocrystalline alloys are characterized by a unique collection of diverse properties that are influenced by various factors, including heat treatment. In this paper, the effect of heat treatment on the structural cha…
View article: Magnetodielectric and low-frequency microwave absorption properties of entropy stabilised ferrites and 3D printed composites
Magnetodielectric and low-frequency microwave absorption properties of entropy stabilised ferrites and 3D printed composites Open
High-entropy ferrites (HEFs) are a new group of high-entropy oxides with unique magnetodielectric properties that offer a wide array of possibilities for high-frequency applications. Various ions were introduced at octahedral sites in the …
View article: The effect of cooling rate on the structure and selected properties of AlCoCrFeNiSix (x = 0; 0.25; 0.5; 0.75) high entropy alloys
The effect of cooling rate on the structure and selected properties of AlCoCrFeNiSix (x = 0; 0.25; 0.5; 0.75) high entropy alloys Open
High entropy alloys with variable silicon content were prepared by two different methods to determine the influence of the cooling rate and chemical composition on the structure and properties of the alloys. First, the structure of the all…
View article: Preparation and selected properties of Al<sub>88</sub>Y<sub>8-x</sub>Fe<sub>4+x</sub> (x = 0, 1, 2 at. %) Alloys in bulk form
Preparation and selected properties of Al<sub>88</sub>Y<sub>8-x</sub>Fe<sub>4+x</sub> (x = 0, 1, 2 at. %) Alloys in bulk form Open
The paper presents selected properties of AlYFe rapidly solidified alloys. Samples in the form of plates, obtained by pressure casting method, were subjected to structural tests in order to determine the mechanical properties of the alloys…
View article: The Influence of Rapid Solidification on Corrosion Behavior of Mg60Zn20Yb15.7Ca2.6Sr1.7 Alloy for Medical Applications
The Influence of Rapid Solidification on Corrosion Behavior of Mg60Zn20Yb15.7Ca2.6Sr1.7 Alloy for Medical Applications Open
Biodegradable magnesium alloys with Zn, Yb, Ca and Sr additions are potential materials with increased corrosion resistance in physiological fluids that ensure a controlled resorption process in the human body. This article presents the in…
View article: Structure and Magnetic Properties of Fe-B-La-Al Alloy
Structure and Magnetic Properties of Fe-B-La-Al Alloy Open
Nanocrystalline magnetic materials are of great interest in order to meet the needs of electronics and electrical engineering. There are many possibilities to modify the synthesis parameters and chemical composition in order to obtain the …