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Article
Segregation of Antimony along the Cross Section of Lead Castings as a Cause of Defects in Isostatic Pressing of Lead Alloy Products
A comparative analysis of the macro- and microstructure of a lead casting and a lead rod obtained from it by isostatic pressing is reported. The effect of segregation of antimony as the main dopant of the inve...
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Article
Metallographic Features of Welded Joint of AMg6 + AMg6 Aluminum Plates after Explosion Welding
A method is selected for sample preparation and an etchant is chosen for high-contrast imaging of the microstructure of aluminum and welded joints of aluminum and its alloys obtained with the aid of explosion ...
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Article
Study of the Effect of Thermal Diffusion Borosiliconizing on the Structure and Properties of the 30KhGSA Steel
The study of the microstructure and microhardness of borosiliconized diffusion layers on the 30KhGSA steel is presented. Diffusion coatings on cylindrical specimens of the 30KhGSA steel are obtained using simu...
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Article
Effect of Heat Treatment on the Structure and Properties of the ChKh3 Low-Alloy Wear-Resistant Chromium Cast Iron
The effect of heat treatment on the microstructure, microhardness, and structural-phase state of the samples of the ChKh3 low-alloy wear-resistant chromium cast iron is studied. The metallographic analysis is ...
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Article
Structure and Properties of Multicomponent Diffusion Boride Coatings Formed on a Hardened 30KhGSA Steel Surface
The microstructure and microhardness of multicomponent diffusion boride coatings formed on the surface of prehardened 30KhGSA steel have been studied. Diffusion coatings on prehardened 30KhGSA steel have been ...
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Article
The Effect of Heat Treatment on the Structure and Properties of VCh 35 Ductile Cast Iron
The effect of heat treatment on the performances of ductile iron with nodular graphite has been studied. To increase the strength properties of the material, its ductility, and impact strength, annealing has b...
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Article
Structural Factors of Hardening of U8A Carbon Tool Steel under Cyclic Heat Exposure
This paper presents the results of studying the structural factors of hardening of U8A carbon tool steel under cyclic heat exposure. The influence of high-temperature thermal-cycling treatment (TCT) with incom...
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Article
The Structure of the Diffusion Boride Layer Obtained as a Result of Repair of a Worn-Out Boride Coating
This paper presents the results of a study of the repeated complex diffusion saturation of a “thrust plain bearing” part made of Steel 45 after its repair. Repair of a bearing after simultaneous complex diffus...
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Article
Influence of the Chemical Composition of Steel on the Structure and Properties of Diffusion Coatings Obtained by Simultaneous Saturation of Structural Steels with Boron, Chromium, and Titanium
The paper presents a comparative analysis of the microstructure of diffusion coatings on steels 45 and 38Kh2MYuA obtained by simultaneous diffusion saturation with boron, chromium and titanium. The saturation ...
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Article
Influence of High-Temperature Annealing of Aluminum Alloys AMg6 and V95 on Their Structural-Phase State and Strength Properties
The widespread use of structural aluminum alloys AMg6 and V95 in modern mechanical engineering has led to the identification of such a problem as the non-optimal structure of commercial semi-finished products ...
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Article
Reengineering of Technology for Producing Castings from High-Chromium Cast Iron ChKh28
One of the most crucial tasks for the mining, ore, and wood processing industries is import substitution and reengineering of components from foreign machinery. In this study, the chemical composition and stru...
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Chapter
Study of Hydrodynamic Processes in the Ocean by Remote Laser-Optical Methods
The possibilities of studying hydrodynamic processes taking place in the sea medium thickness by changing the characteristics of the sea surface and the near-surface layers of the sea medium and the atmosphere...
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Article
Diffusion Hardening of Sintered Ceramic W–Co Materials by Simultaneous Diffusion Saturation with Boron, Chromium, and Titanium
Diffusion boronizing, as a method of thermochemical treatment, significantly improves the wear resistance and corrosion resistance of hardened products. The main disadvantage of boride coatings, which limits t...
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Article
Influence of the Composition of a Boron-Containing Active Medium in the Form of a Coating on the Structure and Properties of the Diffusion Layer of Titanium Parts
In this work, a comparative study of the methods of boriding, carboboronizing, and borosiliconizing of VT-1.0 titanium is carried out in order to increase the wear resistance in aggressive environments at elev...
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Chapter
Investigation of Influece of the Screw Propeller Working Towards the Flow on Parameters of Near Water Aerosol
Laboratory studies of hydrodynamic disturbance effects caused by the screw propeller working towards the flow on the disperse composition of the near water aerosol are presented. The marine conditions are simu...
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Chapter
On Possibility of Applying Aircaft Scanning Laser Locator for Solving Problems of Operational Oceanology
The use of laser-glare method of sea surface sounding for aircraft recording various characteristics of surface waving (surface curvature, spatial scale and slopes of the waves) is under discussion. The model ...
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Article
Improvement of Carbon Steel Scale Resistance by Combined Titanizing and Aluminizing from Multilayer Coatings
Results are presented for research on the problem of increasing the stability and durability of a diffusion aluminized coating on carbon steel 45 when held in an oxidizing atmosphere at 1100°C. A method is pro...
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Chapter
The Effect of Perturbations in Marine Environment on Optical Parameters of Near-Water Atmospheric Layer
The paper describes parameter changes of laser radiation scattering by aerosol in near-water atmospheric layer caused by artificially created hydrodynamic perturbations in the marine environment and observed i...
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Article
Investigation of Metal Composite Briquette Operation in Absorption Equipment Friction Units
Reasons are considered for unsatisfactory operation of the energy-absorbing device of railway wagon drawbar, whose main element is a friction plate with special energy-absorbing cermet coating. The main specif...
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Chapter
Anisotropy Study of Statistical Characteristics of Wind Waves Under the Influence of Hydrodynamic Perturbations in Laser-Reflective Method
The results of experimental studies of the anisotropy of the statistical characteristics of wind waves under the influence of hydrodynamic disturbances by the laser-glare method are considered. The experiments...
