Igor S. Batraev
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View article: A comparative investigation of composites obtained by spark plasma sintering under pressure and conventional sintering of an Al-Al62.5Cu25Fe12.5 powder mixture
A comparative investigation of composites obtained by spark plasma sintering under pressure and conventional sintering of an Al-Al62.5Cu25Fe12.5 powder mixture Open
The present work studied the phase composition and microstructural features of composites obtained by spark plasma sintering (SPS) under pressure and conventional (pressureless) sintering of an Al-20 vol.% Al62.5Cu25Fe12.5 (%at.) powder mi…
View article: Spark plasma sintering of a Cu–Cu2O powder obtained by partial oxidation of electrolytic copper
Spark plasma sintering of a Cu–Cu2O powder obtained by partial oxidation of electrolytic copper Open
Studies of consolidation of pre-oxidized powders are interesting from the viewpoint of gaining an understanding of the features of sintering of metallic core-oxide shell particles and the formation of oxide-reinforced composites. If spark …
View article: AlFeCoNiCu high-entropy alloys formed by spark plasma sintering of a powder mixture and a deposited layer
AlFeCoNiCu high-entropy alloys formed by spark plasma sintering of a powder mixture and a deposited layer Open
This investigation focuses on the structural characteristics of AlFeCoNiCu highentropy alloys (HEAs) fabricated using two approaches. The alloys were obtained by the spark plasma sintering (SPS) or hot pressing (HP) treatment of layers dep…
View article: Fabrication of High-Entropy Alloys Using a Combination of Detonation Spraying and Spark Plasma Sintering: A Case Study Using the Al-Fe-Co-Ni-Cu System
Fabrication of High-Entropy Alloys Using a Combination of Detonation Spraying and Spark Plasma Sintering: A Case Study Using the Al-Fe-Co-Ni-Cu System Open
The use of pre-alloyed powders as high-entropy alloy (HEA) coating precursors ensures a predetermined (unaltered) elemental composition of the coating with regard to the feedstock powder. At the same time, it is interesting to tackle a mor…
View article: Wear resistance of Fe66Cr10Nb5B19 detonation coatings under dry linearly reciprocating conditions and nanoscratch test
Wear resistance of Fe66Cr10Nb5B19 detonation coatings under dry linearly reciprocating conditions and nanoscratch test Open
The Fe66Cr10Nb5B19 alloy coatings with high hardness (≈850 HV300), low porosity (less 3 %), low content of crystalline phase (less 2.5 wt.%), elevated nanohardness (average value 13.7 GPa), and high wear resistance were obtained in a wide …
View article: Formation of Composite Coatings during Detonation Spraying of Cr3C2
Formation of Composite Coatings during Detonation Spraying of Cr3C2 Open
In the current practice of applying carbide-based coatings by thermal spraying, the starting material usually contains a metal binder. However, it is important to study the possibility of spraying binder-free carbides, since the metal comp…
View article: Wear resistance of Fe 66 Cr 10 Nb 5 B 19 detonation coatings under dry linearly reciprocating conditions and nanoscratch test
Wear resistance of Fe 66 Cr 10 Nb 5 B 19 detonation coatings under dry linearly reciprocating conditions and nanoscratch test Open
The Fe 66 Cr 10 Nb 5 B 19 alloy coatings with high hardness (~ 850 HV 300 ), low porosity (less 3%), low content of crystalline phase (less 2.5 wt.%), elevated nanohardness (average value 13.7 GPa), and high wear resistance were obtained i…
View article: A Feasibility Study of High-Entropy Alloy Coating Deposition by Detonation Spraying Combined with Laser Melting
A Feasibility Study of High-Entropy Alloy Coating Deposition by Detonation Spraying Combined with Laser Melting Open
In this work, a new two-stage approach to the deposition of high-entropy alloy coatings is proposed. At the first stage, a composite precursor coating is formed by detonation spraying of the metal powder mixtures. At the second stage, the …
View article: An Experimental and Numerical Simulation Study of Single Particle Impact during Detonation Spraying
An Experimental and Numerical Simulation Study of Single Particle Impact during Detonation Spraying Open
A comparison of the numerical simulation and an experimental study of the collision of the particles and the substrate during detonation spraying is presented. The spraying regimes were chosen to provide unmelted, partially melted, and com…
View article: Microstructure and Mechanical Properties of Composites Obtained by Spark Plasma Sintering of Al–Fe66Cr10Nb5B19 Metallic Glass Powder Mixtures
Microstructure and Mechanical Properties of Composites Obtained by Spark Plasma Sintering of Al–Fe66Cr10Nb5B19 Metallic Glass Powder Mixtures Open
At present, metallic glasses are evaluated as alternative reinforcements for aluminum matrix composites. These composites are produced by powder metallurgy via consolidation of metallic glass-aluminum powder mixtures. In most studies, the …
View article: Detonation Spraying of Hydroxyapatite on a Titanium Alloy Implant
Detonation Spraying of Hydroxyapatite on a Titanium Alloy Implant Open
Hydroxyapatite (HA), the major mineral component of tooth enamel and natural bones, is a good candidate for bone tissue engineering. Synthetic HA is used for making coatings on metallic implants intended for medical applications. A HA coat…
View article: Structural transformations of a gas-atomized Al62.5Cu25Fe12.5 alloy during detonation spraying, spark plasma sintering and hot pressing
Structural transformations of a gas-atomized Al62.5Cu25Fe12.5 alloy during detonation spraying, spark plasma sintering and hot pressing Open
In this work, we traced structural transformations of an Al62.5Cu25Fe12.5 alloy, in which a quasicrystalline icosahedral phase (i-phase) can be formed, upon spraying onto a substrate and consolidation from the powder into the bulk state. T…
View article: Fabrication of layered ceramic-metal composites by detonation spraying
Fabrication of layered ceramic-metal composites by detonation spraying Open
Forming a high-quality metallic coating on a ceramic substrate remains a challenge. The existing layered ceramic-metal composites (LCMCs) used in electrical engineering and electronics still suffer from low ceramic-to-metal bond strength (…
View article: Formation of Metallic Glass Coatings by Detonation Spraying of a Fe66Cr10Nb5B19 Powder
Formation of Metallic Glass Coatings by Detonation Spraying of a Fe66Cr10Nb5B19 Powder Open
The present work was aimed to demonstrate the possibility of forming Fe66Cr10Nb5B19 metallic glass coatings by detonation spraying and analyze the coating formation process. A partially amorphous Fe66Cr10Nb5B19 powder with particles rangin…
View article: Electrical Insulation Properties of Aluminum Oxide Detonation Coatings
Electrical Insulation Properties of Aluminum Oxide Detonation Coatings Open
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View article: Deposition of titanium based coatings by reactive detonation spraying
Deposition of titanium based coatings by reactive detonation spraying Open
The structure and mechanical properties of the coatings formed by reactive detonation spraying of titanium in a wide range of spraying conditions were studied. The variable deposition parameters were the nature of the carrier gas, the spra…
View article: Получение наноразмерного детонационного углерода на импульсном газодетонационном аппарате
Получение наноразмерного детонационного углерода на импульсном газодетонационном аппарате Open
Combustion and thermal decomposition of hydrocarbon fuels are used to produce different forms of carbon. Combustion in the detonation mode is of particular interest, as nanocarbon obtained under these conditions differs in properties from …
View article: Basic properties of cold sprayed titanium – ceramics coatings
Basic properties of cold sprayed titanium – ceramics coatings Open
In the present work, the microstructure of the cold sprayed coatings and the dependences of their main parameters (thickness, volume ceramic content and microhardness) on the used ceramic component in the powder mixture were studied. Ti an…
View article: Structure and Properties of Coatings Formed by Detonation Spraying of Titanium Powder
Structure and Properties of Coatings Formed by Detonation Spraying of Titanium Powder Open
Structure and properties of the coatings formed by detonation spraying of titanium powder have been studied at varying the deposition parameters (nature of carrier gas, spraying distance, O[2]/C[2]H[2] ratio, and the volume of explosive mi…
View article: Mechanical Characterization of Composite Coatings Formed by Reactive Detonation Spraying of Titanium
Mechanical Characterization of Composite Coatings Formed by Reactive Detonation Spraying of Titanium Open
The structure and mechanical properties of the coatings formed by reactive detonation spraying of titanium in a wide range of spraying conditions were studied. The variable deposition parameters were the nature of the carrier gas, the spra…