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Article
Changes in the Structural-Phase State and Dislocation Density of Ti49.8Ni50.2 Alloy Depending on the Isochronal Annealing Temperature after Severe Plastic Deformation by abc Pressing at 573 K
X-ray diffraction studies were conducted to examine changes in the structural-phase state and dislocation density of Ti49.8Ni50.2 alloy depending on the isochronal annealing temperature after severe plastic defor...
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Article
Directional Solidification of a Nickel-Based Superalloy Product Structure Fabricated on Stainless Steel Substrate by Electron Beam Additive Manufacturing
This article is the first to apply wire-feed electron beam additive manufacturing in vacuum to fabricate a part from a complex nickel-based superalloy with directional structure on a stainless steel substrate....
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Article
Structure and Lattice Strains in the Surface Сr–Mn–N Steel Layer Formed by a Combination of Friction and Electron-Beam Treatments
The effect of surface mechanical and heat treatment, which includes successive friction and electron-beam treatments, on the structure, mechanical properties, and the elastically deformed state of a 16.5 Cr–18...
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Article
Structure, mechanical, and tribotechnical properties of an austenitic nitrogen steel after frictional treatment
The features of the structure and the mechanical and tribotechnical properties of an austenitic nitrogen steel (Cr16.5, Mn18.8, C0.07, N0.53, Si0.52 wt %, and Fe for balance) after frictional treatment have be...
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Article
Effect of ultrasonic impact treatment on the mechanical properties of titanium nickelide single crystal
Optical and transmission electron microscopy, X-ray diffraction analysis, nanoindentation, measurements of wear, and mechanical uniaxial tensile tests have been used to study the effect of ultrasonic impact su...
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Article
Effect of vacuum arc ion beam treatment on the structure and mechanical properties of 30CrMnSiNi2A steel
The paper reports on a study of the structure and mechanical properties of 30CrMnSiNi2A high-strength steel irradiated with a Zr+ ion beam. The effect of irradiation on the steel was assessed by optical, trans...
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Article
Positron spectroscopy of defects in submicrocrystalline nickel after low-temperature annealing
Using the method of measuring the positron lifetime spectra and Doppler broadening annihilation line spectroscopy, the annealing of defects in submicrocrystalline nickel produced by equal channel angular press...
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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
The structure of titanium nickelide surface layers formed by pulsed electron-beam melting
X-ray structure analysis technique has been developed for a material heterogeneous over the depth. The structure of the TiNi intermetallide subjected to surface modification by an electron beam has been invest...
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Article
Two-temperature synthesis of ZnGeP2
We describe a modified two-temperature process for reproducible high-volume (up to 500 g) synthesis of the nonlinear-optical semiconductor ZnGeP2, which enables the preparation of nominally stoichiometric materia...
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Article
Structure and properties of the fusion zone formed due to electron beam facing of a coating from nitrogen-alloyed chromium-manganese iron on low-carbon steel
The structure, properties, and residual stresses in the fusion zone formed due to electron beam facing of a wear-resistant coating from chromium-manganese iron with nitrogen-alloyed austenitic matrix on thin-w...
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Article
Fractal dimension of the surface upon martensitic transformation in titanium nickelide
The fractal dimension of the residual deformation relief on the surface of titanium nickelide is shown to be sensitive to the deformation mechanism. It decreases under phase-transformation-induced inelasticity...
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Article
Structure and properties of TiC-TiNi composites alloyed with iron
The structure, composition, and mechanical properties of iron-alloyed TiC-TiNi composite materials are studied. When the titanium carbide framework is sintered with iron and then impregnated with titanium nick...
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Article
Evolution of the crystal structure during phase working of titanium nickelide
Using x-ray diffraction we have measured the dynamic and static atomic displacements and the unit cell parameters of monoclinic martensite in the intermetallide 50.1 at. %Ti-Ni, during thermal cycling through ...
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Article
Motion picture x-ray diffraction investigation of the martensitic transformation in nickel-titanium alloy
The thermoelastic martensitic transformation of an equiatomic nickel-titanium alloy is investigated by means of x-ray diffraction motion pictures using synchrotron radiation. The x-ray patterns are recorded by...
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Article
In situ X-ray investigation of deformation martensite in titanium nickelide
X-ray structural analysis was used to carry out an investigation of the martensitic transformation in titanium nickelide during mechanical loading. A diffractometer with filtered cobalt radiation was used, alo...
