26 citations · 77 across the 18 of their papers we have counts for
18 papers
Low-temperature Spark Plasma Sintering of fine refractory composite powders core-shell: A case of the powders W@Ni
A. V. Nokhrin, E. A. Lantcev, L. S. Alekseeva +9
The mechanisms of fast low-temperature Spark Plasma Sintering (SPS) of W + 10% wt. Ni powders were investigated. The powder compositions were obtained in two methods: (i) by mixing…
Analysis of contributions of plastic deformation and intergranular corrosion to corrosion-fatigue failure of Al-Mg alloys
Oleg Belkin, Vladimir Chuvil'deev, Mikhail Chegurov +2
The article presents the results of corrosion-fatigue tests of industrial Al-Mg alloys were conducted in air and in a 3% NaCl aqueous solution. Fatigue curves can be characterized…
Effect of the parameters of bimodal microstructure on the mechanical properties of alumina: A case of sintering regime effects
M. S. Boldin, E. A. Isupova, E. A. Lantcev +7
The effect of sintering regimes on the density, microstructure parameters, and mechanical properties of Al2O3 and Al2O3 + 0.25%MgO ceramics has been investigated. The ceramics were…
Effect of annealing on the hot salt corrosion resistance of the fine-grained titanium alpha-alloy Ti-2.5Al-2.6Zr obtained via cold Rotary Swaging
V. N. Chuvil'deev, A. V. Nokhrin, C. V. Likhnitskii +8
A hot salt corrosion (HSC) test was performed on the fine-grained titanium alpha-alloy Ti-2.5Al-2.6Zr (Russian industrial alloy PT-7M). The ultrafine-grained (UFG) microstructure i…
Spark Plasma Sintering for high-speed diffusion welding of the ultrafine grained near-a Ti-5Al-2V alloy with high strength and corrosion resistance for nuclear engineering
Vladimir Chuvil'deev, Aleksey Nokhrin, Vladimir Kopylov +5
The paper demonstrates the prospects of Spark Plasma Sintering (SPS) for the high-speed diffusion welding of the high-strength ultrafine-grained (UFG) near-a Ti-5Al-2V alloy. The e…
Effect of annealing on the corrosion-fatigue strength and hot salt corrosion resistance of fine-grained titanium near-α alloy Ti-5Al-2V obtained by Rotary Swaging
V. N. Chuvil'deev, A. A. Murashov, A. V. Nokhrin +10
The corrosion-fatigue strength in 3% aqueous NaCl solution and the resistance against hot salt corrosion (HSC) of the fine-grained near-a alloy Ti-5Al-2V (Russian analog of Grade 9…
Effect of the Sc/Zr ratio on the corrosion resistance of Al-Mg cast alloys
N. A. Kozlova, V. N. Chuvil'deev, A. V. Nokhrin +3
The results of investigations of the corrosion resistance of Al-Mg-Sc-Zr alloys with varying Mg content and different Sc/Zr ratios are presented. The objects of investigations were…
Combined effect of SiC and carbon on sintering kinetics, microstructure and mechanical properties of fine-grained binderless tungsten carbide
E. A. Lantsev, P. V. Andreev, A. V. Nokhrin +8
The study investigates the density, phase composition, microstructure and mechanical properties (microhardness, fracture toughness) of binderless WC + SiC and WC + SiC + C ceramics…
Superplasticity-like behavior of ultrafine-grained austenitic steel 321
V. I. Kopylov, M. Yu. Gryaznov, S. V. Shotin +5
Hot rolled commercial metastable austenitic steel 321 with strongly elongated thin delta-ferrite particles in its microstructure was the object of investigations. Ultrafine-grained…
Combined Thermal Expansion and Hydrolytic Stability Study of Lanthanide Vanadates LnVO4 and CaLnZr(VO4)3 (Ln = La, Nd, Sm, Eu, Gd, Dy, Yb) with Zircon and Monazite Structures
A. K. Koryttseva, A. I. Orlova, N. S. Litonova +9
The paper presents the investigation of ordinary and ternary vanadates with zircon and monazite structures. Vanadates LnVO4 and CaLnZr(VO4)3 , where (Ln = La, Nd, Sm, Eu, Gd, Dy, Y…
Microstructure Thermal Stability and Superplastic Behavior of Al-6%Mg-0.12%Sc-0.10%Zr-0.10%(Yb, Er, Hf) Ultrafine-Grained Alloys
V. N. Chuvil'deev, M. Y. Gryaznov, S. V. Shotin +8
Superplastic behavior of ultrafine-grained (UFG) Al-6Mg-0.12Sc-0.10Zr-0.1X alloys, where X = Yb (Alloy #1-Yb), Er (Alloy #2-Er), and Hf (Alloy #3-Hf), has been studied. The total c…
Low-temperature creep of binderless tungsten carbide with different grain sizes
E. A. Lantcev, A. V. Nokhrin, V. N. Chuvil'deev +8
The creep mechanism in the compression testing of the tungsten carbide with different grain sizes has been studied. The WC samples with high density (96.1-99.2%) were obtained by S…
Investigation of the effect of the grain sizes on the dynamic strength of the fine-grained alumina ceramics obtained by Spark Plasma Sintering
Melekhin N. V., Boldin M. S., Bragov A. M. +7
The results of dynamic strength tests of the alumina ceramics with various grain sizes are presented. The ceramics were obtained by Spark Plasma Sintering (SPS) of industrial submi…
Investigation of the microstructure of the fine-grained YPO:Gd ceramics with xenotime structure after Xe irradiation
D. A. Mikhailov, E. A. Potanina, A. V. Nokhrin +9
The paper reports on the preparation of xenotime-structured ceramics by the Spark Plasma Sintering (SPS) method. Phosphates YGdPO (YPO:Gd) were obtained b…
Effect of grain boundary state and grain size on the microstructure and mechanical properties of alumina obtained by SPS: A case of the amorphous layer on particle surface
M. S. Boldin, A. A. Popov, A. V. Nokhrin +5
The effect of temperature modes and heating rates (Vh) on the shrinkage kinetics of submicron and fine aluminum oxide powders has been studied. The objects of research comprised (i…
Effect of ECAP and heat treatment on mechanical properties, stress relaxation behavior and corrosion resistance of a 321-type austenitic steel with increased delta-ferrite content
V. N. Chuvil'deev, A. V. Nokhrin, N. A. Kozlova +7
Hot rolled commercial metastable austenitic steel 0.8C-18Cr-10Ni-0.1Ti (Russian industrial name 08X18H10T, analog 321L) with strongly elongated thin delta-ferrite particles in its…
A scattering theory of harmonic one-forms on Riemann surfaces
Eric Schippers, Wolfgang Staubach
We construct a scattering theory for harmonic one-forms on Riemann surfaces, obtained from boundary value problems through systems of curves and the jump problem. We obtain an expl…
Synthesis and study of (Na, Zr) and (Ca, Zr) phosphate-molybdates and phosphate-tungstates: Thermal expansion behavior, radiation test and hydrolytic stability
M. E. Karaeva, D. O. Savinykh, A. I. Orlova +10
Thermal expansion behavior at high temperatures of synthesized NaZr(PO)(XO), and CaZr(PO)(XO), X = Mo, W compounds h…