Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Ekaterina Valdaytseva"'
Autor:
Ekaterina Kovalenko, Igor Krasanov, Ekaterina Valdaytseva, Olga Klimova-Korsmik, Marina Gushchina
Publikováno v:
Metals, Vol 13, Iss 3, p 534 (2023)
High-entropy alloys are a unique class of alloys with high strength and hardness, good enduring quality and corrosion resistance, as well as other attractive mechanical properties for both scientific research and practical applications. Using these u
Externí odkaz:
https://doaj.org/article/6e5f74847aa54811aef24fad3b33f97d
Publikováno v:
Metals, Vol 11, Iss 12, p 1972 (2021)
Direct laser deposition (DLD) is a promising additive technology that allows for the rapid and cheap production of metal parts of complex geometry in various sectors of mechanical engineering. Thick-walled metal structures occupy a significant part i
Externí odkaz:
https://doaj.org/article/cb5dbb414f3845438ca692fb56a4f2cd
Publikováno v:
Metals, Vol 11, Iss 12, p 2002 (2021)
Based on numerical solutions of the equation of motion of a particle in a gas jet modeled by the Reynolds-averaged Navier–Stokes equations, the features of transporting powder particles to the working zone of laser-based directed energy deposition
Externí odkaz:
https://doaj.org/article/15602ad03a3b475bb452fbaee2ff9186
Publikováno v:
Materials Today: Proceedings. 30:373-379
Non-vacuum electron beam wire feed deposition is a new technology in the family of additive technologies. It has some advantages in comparison with the laser one, especially for materials with great reflection ability, such as copper alloys. The sugg
Publikováno v:
Procedia CIRP. 94:314-319
ZhS32 is Ni-based single crystal superalloy has been successfully used in aero and industrial gas turbine applications. Vibrations, shocks, abrasive wear, high temperatures applied to gas turbine blades lead to its damage. Taking into account the com
Autor:
Ekaterina Valdaytseva, Andrey V. Alekseev, Olga Klimova-Korsmik, Mariia Rashkovets, Gleb A. Turichin
Publikováno v:
Procedia CIRP. 94:320-323
The mechanical properties of Ni-based superalloys are based on the hardening gamma-prime phase with an ordered structure. A solution for new phase precipitate growth is suggested for the case of the Ni-based alloys. In accordance with solution a math
Publikováno v:
Materials; Volume 15; Issue 23; Pages: 8349
The melt pool calculating method is presented based on the solution of the heat conduction problem in a three-dimensional formulation, taking into account the latent heat of fusion and the change in thermophysical properties with temperature. In this
Publikováno v:
Materials
Volume 14
Issue 14
Materials, Vol 14, Iss 4049, p 4049 (2021)
Volume 14
Issue 14
Materials, Vol 14, Iss 4049, p 4049 (2021)
The work is devoted to the development of a model for calculating transient quasiperiodic temperature fields arising in the direct deposition process of thin walls with various configurations. The model allows calculating the temperature field, therm
Publikováno v:
Key Engineering Materials. 822:438-444
A solution for new phase inclusion growth is suggested for the case of the Ni-based alloys. This solution takes into account a chemical composition of the alloy and conditions of the laser treatment process. A method for calculation of the chemical r
Publikováno v:
Key Engineering Materials. 822:431-437
Additive technologies, in particular, wire-feed laser deposition, can significantly reduce the production cycle of manufacturing large-sized parts or parts of complex shape due to partial or complete elimination of technological operations such as ca