17 Result(s)
within
Metallic Materials
A. I. Smirnov
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Article
Residual stresses in electron-beam coatings with a nitrogen-austenite matrix and structural mechanisms of their relaxation
The structure, distribution of elastic microdeformations related to the effect of residual stresses of the 1st and 2nd kind in nitrogen austenite coatings prepared by electron-beam overlaying and the mechanism...
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Article
Intrinsic Room-Temperature Ferromagnetic Properties of Ni-Doped ZnO Thin Films
We report on room temperature intrinsic ferromagnetism in Ni doped ZnO films grown on Si (100), c-sapphire, and r-sapphire substrates. Transmission electron microscopy (TEM) data ruled out precipitation of Ni. Th...
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Article
Formation of austenite in initially quenched low-carbon steels of different alloying systems in the intercritical temperature interval
Phase and structural transformations upon heating in the intercritical temperature range have been studied in initially quenched 12Kh2G2NMFT and 12KhN3A low-carbon steels. The dependence of the intercritical i...
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Article
A Study of Phase and Structural Transformations of Hardened Low-Carbon Steel under Conditions of Multiple Intense Heat Effect
The effect of conditions of rapid thermocycling treatment on phase transformations in heating and cooling and on the structure and mechanical properties of steel 12Kh2G2NMFT is studied. The dependence between ...
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Article
Evolution of the Structure and Properties of Cold-Deformed Hardened System-Alloyed Steel 10Kh3G3MF Due to Intense Thermocycling Treatment
Processes of formation of structure and properties in intense thermocycling treatment of steel 10Kh3G3MF preliminarily subjected to quenching and 60% cold plastic deformation by the method of radial forging ar...
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Article
Effect of Cold Plastic Deformation by Radial Forging Followed by Heat Treatment on the Structure and Properties of Steel 10Kh3G3MF
The evolution of the structure and properties of initially hardened steel 10Kh3G3MF due to complex deformation and heat treatment that includes cold plastic deformation by radial forging and subsequent anneali...
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Article
Structure and tribological and mechanical properties of nitrogen electron-beam coatings dispersion-hardened by V(C, N) particles
The structure, wear resistance, and mechanical properties upon bending of nitrogen dispersion-hardened austenitic coatings obtained by electron-beam surfacing have been investigated. A parametric analysis of t...
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Article
Structure and properties of a steel strip cut from the Garin-Mikhailovskii railroad bridge in Novosibirsk
The results of a study of the structure and mechanical properties of a steel strip cut from the first railroad bridge across the Ob river constructed 120 years ago are given. The steel for the bridge was made ...
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Article
Stages of austenitization of cold-worked low-carbon steel in intercritical temperature range
Austenization processes in 10Kh3G3MF low-carbon steel in the initially cold-worked state are investigated during its continuous heating in an intercritical temperature range. The austenization of this steel ha...
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Article
Growth of lamellar pearlite in the weld zone between dissimilar steels
Transmission electron microscopy is used to study the welds between high-carbon pearlitic and chromium–nickel austenitic steel workpieces performed by flash butt welding. It has been established that lamellar ...
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Article
Specific Features of the Nucleation and Growth of Fatigue Cracks in Steel under Cyclic Dynamic Compression
The processes of the fracture of 40Kh and U8 steels under cyclic dynamic compression are studied. It has been found that the main cause for the fracture of the cyclically compressed specimens is the propagatio...
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Article
Effect of Structure on the Dynamic Crack Resistance and Special Features of the Micromechanism of Crack Growth in Steel 35Kh After Cold Radial Forging
The structure, dynamic crack resistance, strength and micromechanisms of crack growth are studied in tubular billets from steel 35Kh after different variants of deformation and heat treatment including cold pl...
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Article
Evolution of grain–subgrain structure and carbide subsystem upon annealing of a low-carbon low-alloy steel subjected to high-pressure torsion
The effect of annealing on the evolution of an ultrafine-grain structure and carbides in a 06MBF steel (Fe–0.1Mo–0.6Mn–0.8Cr–0.2Ni–0.3Si–0.2Cu–0.1V–0.03Ti–0.06Nb–0.09C, wt %) has been studied. The grain–subgra...
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Article
Special Features of the Structure of Laser-Welded Joints of Dissimilar Alloys Based on Titanium and Aluminum
The structure of laser-welded joints of parts having different thicknesses fabricated from alloys based on aluminum and titanium has been studied. Results of transmission and scanning electron microscopy measu...
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Article
Features of austenite formation in low-carbon steel upon heating in the intercritical temperature range
The features of austenite formation upon continuous heating of low-carbon steel at the rates of 90–0.15 K/s in the intercritical temperature range (ICTR) have been studied. It has been found that, in the initi...
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Article
Formation of Structure in Metastable Austenitic Steel during Cold Plastic Deformation by the Radial Forging Method
This work is devoted to the study of the formation of structure in the 08Kh18N10T-Sh industrial metastable austenitic steel during cold plastic deformation by the radial forging method. The results of the perf...
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Article
Evolution of Structure and Properties of Multiphase Low-Carbon Steel During Cold Radial Forging
The structure and mechanical properties of low-carbon steel 10Kh3G3MFS after cold radial forging with 20, 40 and 60% deformation are studied. The initial (multiphase) condition of the steel is provided by quen...
