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Article
Microstructure and Mechanical Properties of a (TiB + TiB2 + TiC)/Ti–6Al–4V Composite Material Formed in the Process of in situ Synthesis in Selective Laser Melting
A study has been made of the physicomechanical properties of a heterogeneous material based on TiB, TiB2, TiC, and B4C ceramics and a Ti–6Al–4V metal alloy formed by the method of selective laser melting. Conside...
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Article
Experimental Investigation of the Effect of Laser Treatment on the Resistance of a Cermet Coating to a High-Speed Impact
For the first time, experimental investigations of the resistance of a cermet coating formed by a combined method (cold gas-dynamical spraying with subsequent laser treatment) to high-speed impact was carried ...
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Article
Prospects of Using Synchrotron Radiation for Diagnostics of the Structural-Phase Composition of Composite Materials
Diagnostics of the structure of materials is necessary for determining subsequent technological operations in the production of finished products. In the present paper, we propose to use synchrotron radiation ...
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Article
Destruction of Heterogeneous Laser Welded Joints of Aluminum–Lithium and Titanium Alloys
A comprehensive study has been made of the destruction of welded joints of the titanium alloy VT20 of a Ti–Al–Zr–Mo–V system and high-strength aluminum–lithium alloy V-1461 of an Al–Cu–Li system. The welds wer...
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Article
EFFECT OF LASER IMPACT PARAMETERS ON THE FORMATION OF A POOL OF THE MOLTEN B4C — Ti–6Al–4V CERMET MIXTURE
Results of a series of experiments aimed at studying laser cladding of individual tracks with the use of the B4C–Ti–6Al–4V cermet powder mixture are reported. The influence of laser cladding parameters (radiation...
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Article
INFLUENCE OF HEAT TREATMENT OF LASER-WELDED JOINTS OF ALUMINUM-LITHIUM ALLOYS ON PLASTIC FLOW INSTABILITY
The experimentally observed evolution of unstable plastic flow of laser-welded specimens of Al–6Mg–2Li, Al–1.6Cu–1.1Mg–1.8Li, and Al–3.4Cu–0.66Mg–1.5Li aluminum–lithium alloys under different heat treatment co...
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Article
CREATION OF A HETEROGENEOUS MATERIAL BASED ON THE TITANIUM ALLOY AND TITANIUM BORIDE BY SELECTIVE LASER MELTING
Results of theoretical and experimental investigations of physical and mechanical properties of a heterogeneous material based on the TiB ceramics and Ti–6Al–4V metallic alloy obtained by means of selective la...
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Article
LASER WELDING OF DISSIMILAR MATERIALS BASED ON THERMALLY HARDENED ALUMINUM ALLOYS
Results of an experimental study of the strength characteristics and structural-phase composition of a nondetachable connection of dissimilar materials based on thermally hardened aluminum alloys D16T of the A...
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Article
Erratum to: Studying the Laser Welding of Porous Metals with the Application of Compact Inserts and Nanopowders
An Erratum to this paper has been published: https://doi.org/10.1134/S0031918X21080160
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Article
Studying the Laser Welding of Porous Metals with the Application of Compact Inserts and Nanopowders
The effect of thermal regimes and some technological methods (the application of intermediate compact metal inserts and nanomodifying additives) on the quality of laser-welded permanent joints of porous titani...
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Article
Formation of B4C – Ti-6Al-4V Cermet Coatings by the Method of SLM
The process of formation of a multilevel multilayer B4C – Ti-6Al-4V cermet coating by the method of SLM is studied. The coating is characterized by presence of heterogeneous zones differing in the mechanical prop...
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Article
Study of the Chemical Composition and Microstructure of AISI 321/Cu/Ta/Ti Welded Joint
The chemical composition and microstructure of an AISI 321/Cu/Ta/Ti welded joint prepared by carbon dioxide laser is studied in this work. An analysis of the chemical composition showed that the Ta plate locat...
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Article
CREATION OF A FUNCTIONALLY GRADIENT MATERIAL BY THE SELECTIVE LASER MELTING METHOD
The paper presents the results of an experimental study of the microstructure and microhardness of a functionally gradient material fabricated from 316L stainless steel and tungsten carbide (WC) ceramic partic...
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Article
Deposition of Cermet Coatings on the Basis of Ti, Ni, WC, and B4C by Cold Gas Dynamic Spraying with Subsequent Laser Irradiation
This paper studies the formation of cermet coatings by a combined additive manufacturing technology on the basis of cold gas dynamic spraying and subsequent laser irradiation. The coatings are made of titaniu...
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Article
Laser Welding of Dissimilar Materials Based on VT20 Titanium and V-1461 Aluminum Alloys
This paper describes the experimental study of strength characteristics and the microstructure of a permanent joint of dissimilar materials (VT20 titanium alloy and V-1461 aluminum alloy), obtained by laser bu...
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Article
Influence of Heat Treatment on the Fracture of a Welded Joint of an Al-Cu-Li Aircraft Alloy at Different Temperatures
Results of an experimental study of how temperature affects the fracture of laser welded joints of an Al-Cu-Li aircraft aluminum alloy are presented. A comparison is made of the deformation and fracture of wel...
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Article
Similarity Laws in Laser Cladding of Cermet Coatings
The influence of the laser beam parameters (power, motion velocity, and focus position) on the characteristics of the track being formed (size, elemental composition, and microhardness) is studied. If the diff...
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Article
Influence of Modifying Nanoadditives on the Properties of a Multilayer Composite Coating Obtained by Laser Surfacing
This paper presents the results of an experimental investigation of the influence of modifying nanoadditives on the structure and mechanical properties of multilayer coatings obtained by the laser surfacing of...
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Article
Temperature Effect on the Fracture of Laser Welded Joints of Aviation Aluminum Alloys
This paper describes an experimental study of a temperature effect on the fracture of laser welded joints of Mg- and Cu-containing aviation aluminum alloys. The fracture of alloys and their welded joints under...
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Article
Effect of Heat Treatment on Mechanical and Microstructural Properties of the Welded Joint of the Al–Mg–Li Alloy Obtained by Laser Welding
Laser welding of the 1420 alloy of the Al–Mg–Li system is experimentally studied for the purpose of its optimization. Various modes of heat treatment of fixed joints obtained by means of laser welding are cons...
