Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Andrey V. Pozdniakov"'
Autor:
Maria V. Glavatskikh, Ruslan Yu. Barkov, Leonid E. Gorlov, Maxim G. Khomutov, Andrey V. Pozdniakov
Publikováno v:
Metals, Vol 14, Iss 5, p 547 (2024)
The effect of 0.2%Cr addition on the structure, phase composition, and mechanical properties of the novel cast and wrought Al-2.5Zn-2.5Mg-2.5Cu-0.2Zr-Er(Y) alloys were investigated in detail. Chromium is distributed between primary crystals (5.7–6.
Externí odkaz:
https://doaj.org/article/2acafcc9344d43bd83b9bb85e7c58be1
Autor:
Sayed M. Amer, Maria V. Glavatskikh, Ruslan Yu. Barkov, Alexander Yu. Churyumov, Irina S. Loginova, Maxim G. Khomutov, Andrey V. Pozdniakov
Publikováno v:
Metals, Vol 13, Iss 11, p 1853 (2023)
Low sensitivity to hot cracking is very important not only for casting but also for ingots of wrought alloys. Doping of Al-Cu-(Mg) alloys by eutectic forming elements provides an increasing resistance to hot cracking susceptibility, but it also leads
Externí odkaz:
https://doaj.org/article/79240af6d7b24dbf8be316d5dd49fbca
Autor:
Asmaa M. Khalil, Andrey V. Pozdniakov, Alexey N. Solonin, Tamer S. Mahmoud, Mohammad Alshah, Ahmed O. Mosleh
Publikováno v:
Materials, Vol 16, Iss 15, p 5477 (2023)
This paper studies the effect of the laser melting process (LMP) on the microstructure and hardness of a new modified AlCuMgMn alloy with zirconium (Zr) and Yttrium (Y) elements. Homogenized (480 °C/8 h) alloys were laser-surface-treated at room tem
Externí odkaz:
https://doaj.org/article/f393dbfe5e6b4ad9ad58c34a8d8e4d31
Autor:
Maria V. Glavatskikh, Ruslan Yu. Barkov, Leonid E. Gorlov, Maxim G. Khomutov, Andrey V. Pozdniakov
Publikováno v:
Metals, Vol 13, Iss 5, p 909 (2023)
The main weaknesses of commercial high-strength Al-Zn-Mg-Cu-based alloys are the low casting properties, corrosion and heat resistance. Al-Zn-Mg-Cu-based alloys with Zn/Mg ratio equal to 1 combine good strength, corrosion and heat resistance. Al allo
Externí odkaz:
https://doaj.org/article/e291f9946b2b4ba5a5fcb381bb265ef5
Autor:
Sayed M. Amer, Maria V. Glavatskikh, Ruslan Yu. Barkov, Irina S. Loginova, Andrey V. Pozdniakov
Publikováno v:
Metals, Vol 13, Iss 2, p 349 (2023)
The present investigation aimed at the determination of Cr addition on microstructure, phase composition, and mechanical properties of the Al-Cu-Y-Zr alloy. Quasi-binary alloys of the ternary Al-Cu-Y system with atomic rotation of Cu/Y = 4/1 have a n
Externí odkaz:
https://doaj.org/article/a7b49368d87b46fea49443d485f4c141
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 4440-4449 (2020)
The hot deformation behavior of the lightweight Fe-30Mn-10Al-1.1C-4Mo steel was experimentally investigated under compression, tension, and torsion with tension conditions and simulated by the finite element method. The as-cast microstructure of the
Externí odkaz:
https://doaj.org/article/210300b378ea43fa8ddfd380d50c3bb2
Autor:
Olga I. Mamzurina, Sayed M. Amer, Maria V. Glavatskikh, Ruslan Yu. Barkov, Irina S. Loginova, Andrey V. Pozdniakov
Publikováno v:
Metals, Vol 12, Iss 12, p 2079 (2022)
The present study focused on the development of the novel heat resistant cast Al-Cu-Yb(Gd)-Mg-Mn-Zr alloys based on the prevue investigations. Microstructures and mechanical properties were investigated by optical, scanning and transmission electron
Externí odkaz:
https://doaj.org/article/bd717b1c36744b189ca52cdaa58fe185
Autor:
Alexander Yu. Churyumov, Alena A. Kazakova, Andrey V. Pozdniakov, Tatiana A. Churyumova, Alexey S. Prosviryakov
Publikováno v:
Metals, Vol 12, Iss 5, p 831 (2022)
The deformation behavior of lightweight Fe-35Mn-10Al-1C steel with an elevated concentration of Mn was investigated. Hot compression tests at temperatures of 950–1150 °C and strain rates of 0.1–10 s−1 were carried out using the thermomechanica
Externí odkaz:
https://doaj.org/article/f1fb1786d236485fbec972dad238c270
Autor:
Olga I. Mamzurina, Sayed M. Amer, Irina S. Loginova, Maria V. Glavatskikh, Andrey G. Mochugovskiy, Ruslan Yu. Barkov, Andrey V. Pozdniakov
Publikováno v:
Metals, Vol 12, Iss 3, p 479 (2022)
The effect of zirconium on the microstructure, phase composition, and mechanical properties of AlCuYb and AlCuGd alloys was studied. The microstructure of the as-cast alloys did not consist of new intermetallic phases of zirconium with other elements
Externí odkaz:
https://doaj.org/article/0239e7a5e3dd4c32a902e709788d8d88
Autor:
Maxim G. Khomutov, Sayed M. Amer, Ruslan Yu. Barkov, Maria V. Glavatskikh, Alexander Yu. Churyumov, Andrey V. Pozdniakov
Publikováno v:
Metals, Vol 11, Iss 10, p 1521 (2021)
The compression tests in a temperature range of 400–540 °C and strain rates of 0.1–15 s−1 were applied to novel Al-Cu-Y(Er)-Mg-Mn-Zr alloys to investigate their hot deformation behavior. The higher volume fraction of the intermetallic particle
Externí odkaz:
https://doaj.org/article/2721d8611e184ba382171dd4e2017c27