Zobrazeno 1 - 10
of 15
pro vyhledávání: '"N. E. Dmitrieva"'
Publikováno v:
Russian Journal of Physical Chemistry A. 94:341-344
Rapidly quenched alloys of aluminum with cobalt and zirconium are investigated using a combination of means of physicochemical analysis to study the formation of finely dispersed structures that considerably enhance the strength characteristics of ma
Formation of Finely Dispersed Structures in Aluminum Alloys with Niobium in the Presence of Scandium
Publikováno v:
Russian Journal of Physical Chemistry A. 92:2362-2367
The possibilities of improving the strength characteristics of alloys based on aluminum and niobium are studied. It is established that the use of scandium allows finely dispersed hardening intermetallide phases to be obtained. The maximum effect of
Publikováno v:
Russian Journal of Physical Chemistry A. 91:278-281
Results from studying the effect zirconium has on solid-phase processes in aluminum–chromium alloys are presented. Rapidly quenched alloys are prepared via melt spinning. The quenching rate is ~106 K/s. By means of physicochemical analysis, it is s
Publikováno v:
Russian Journal of Physical Chemistry A. 91:268-273
The interaction between elements in the transition zones of diffusion couples Mg + AgCd–alloy are studied. Isothermal sections of the Ag–Mg–Cd ternary system at 573 K are constructed. The existence of a Heusler phase based on H–Ag2MgCd compou
Publikováno v:
Russian Chemical Bulletin. 65:2801-2804
The surfaces of the alloy based on Zr2Ni doped by silicon (3 at.%) in the amorphous and crystalline states and of the Zr and Ni foils were electrochemically modified for the first time. The modification was carried out in the ionic liquid in the galv
Publikováno v:
Protection of Metals and Physical Chemistry of Surfaces. 51:257-261
This article discusses the results of an investigation of the corrosion properties of fast-quenched and equilibrium alloys based on aluminum quenched with iron and vanadium. It has been demonstrated that the corrosion properties of the considered sys
Publikováno v:
Moscow University Chemistry Bulletin. 70:34-39
It was established by a complex of physicochemical methods that are only phase based on the binary intermetallics ScAl3 and NbAl3, containing neglible amount of doping additives, are found in in the system Al-Nb-Sc in equilibrium with aluminum. Alumi
Publikováno v:
Moscow University Chemistry Bulletin. 69:266-273
The phase equilibria in the Al-Ni-Cu-Zr quaternary system at 1123 K and a concentration of Zr higher than 30 at % have been determined using the methods of X-ray phase analysis, X-ray spectral microanalysis, scanning electron microscopy, and differen
Publikováno v:
Moscow University Chemistry Bulletin. 67:259-264
Phase equilibria in ternary Al-Ni-Zr system have been studied using X-ray phase and electron probe microanalyses at 1123 K in the content range of 0–45 at % Al. A fragment of the isothermal section of this system has been plotted. The existence of
Publikováno v:
Moscow University Chemistry Bulletin. 67:171-176
X-ray diffraction and electron probe microanalysis were used to investigate phase equilibria in the ternary Cu-Al-Zr system at 1073 K in the Zr-rich region. The fragment of the isothermal section of the system was plotted. The regions of homogeneity