Search Results - "Straumal, B. B"

Grain Boundary Wetting by a Second Solid Phase in the High Entropy Alloys: A Review by Straumal, Boris B, Korneva, Anna, Lopez, Gabriel A, Kuzmin, Alexei, Rabkin, Eugen, Gerstein, Gregory, Straumal, Alexander B, Gornakova, Alena S

“…In this review, the phenomenon of grain boundary (GB) wetting by the second solid phase is analyzed for the high entropy alloys (HEAs). Similar to the GB…”
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The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review by Straumal, Boris B., Korneva, Anna, Kuzmin, Alexei, Lopez, Gabriel A., Rabkin, Eugen, Straumal, Alexander B., Gerstein, Gregory, Gornakova, Alena S.

“…In this review, the phenomenon of grain boundary (GB) wetting by melt is analyzed for multicomponent alloys without principal components (also called…”
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Structure Refinement and Fragmentation of Precipitates under Severe Plastic Deformation: A Review by Straumal, Boris B, Kulagin, Roman, Klinger, Leonid, Rabkin, Eugen, Straumal, Petr B, Kogtenkova, Olga A, Baretzky, Brigitte

“…During severe plastic deformation (SPD), the processes of lattice defect formation as well as their relaxation (annihilation) compete with each other. As a…”
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Instabilities of interfaces between dissimilar metals induced by high pressure torsion by Kulagin, R., Beygelzimer, Y., Ivanisenko, Yu, Mazilkin, A., Straumal, B., Hahn, H.

“…[Display omitted] •High pressure torsion (HPT) of bi-metallic laminate can induce vortex-like folding instabilities of metallic layers.•These multiscale…”
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Decrease of steady-state solubility of Ag in Cu by high-pressure torsion at low temperature by Straumal, B. B., Kilmametov, A. R., Straumal, P. B., Mazilkin, A. A.

“…During the high pressure torsion (HPT) of a material, a steady-state is reached after a certain number of the plunger revolutions. This steady-state is…”
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Contact angles by the solid-phase grain boundary wetting (coverage) in the Co–Cu system by Straumal, B. B., Kogtenkova, O. A., Straumal, A. B., Kuchyeyev, Yu. O., Baretzky, B.

“…The microstructure of binary Co–13.6 wt% Cu and Cu–4.9 wt% Co alloys after long anneals (930–2,100 h) was studied between 880 and 1,085 °C. The contact angles…”
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Phase Transformations in Ti-Fe Alloys Induced by High-Pressure Torsion by Straumal, B. B., Kilmametov, A. R., Ivanisenko, Yu, Gornakova, A. S., Mazilkin, A. A., Kriegel, M .J., Fabrichnaya, O. B., Baretzky, B., Hahn, H.

“…The Ti–Fe alloys are quite important among various Ti‐based alloys doped with β‐stabilisers. Severe plastic deformation by the high pressure torsion (HPT)…”
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Faceting/Roughening of WC/Binder Interfaces in Cemented Carbides: A Review by Straumal, Boris B, Konyashin, Igor

“…Hardmetals (or cemented carbides) were invented a hundred years ago and became one of the most important materials in engineering. The unique conjunction of…”
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Review: grain boundary faceting–roughening phenomena by Straumal, B. B, Kogtenkova, O. A, Gornakova, A. S, Sursaeva, V. G, Baretzky, B

“…Similar to free surfaces, the grain boundaries (GBs) in metals, semiconductors and insulators can contain flat (faceted) and curved (rough) portions. In the…”
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Influence of the grain boundary character on the temperature of transition to complete wetting in the Cu–In system by Straumal, Alexander B., Yardley, Victoria A., Straumal, Boris B., Rodin, Alexei O.

“…The incomplete to complete grain boundary (GB) wetting transition is controlled by GB energy and, therefore, by GB character. To find the GB character…”
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“Wetting” Phase Transitions by the Second Solid Phase for Linear Defects (Grain Boundary Triple Junctions) by Straumal, A. B., Mazilkin, I. A., Tsoi, K. V., Baretzky, B., Straumal, B. B.

“…In this work, the wetting phase transition of grain boundaries (GBs) and their triple junctions (GB TJs) by the second solid phase in the magnesium-based alloy…”
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Ferromagnetic behaviour of ZnO: the role of grain boundaries by Straumal, Boris Borisovich, Protasova, Svetlana G, Mazilkin, Andrei A, Goering, Eberhard, Schütz, Gisela, Straumal, Petr B, Baretzky, Brigitte

“…The possibility to attain ferromagnetic properties in transparent semiconductor oxides such as ZnO is very promising for future spintronic applications. We…”
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Observation of Pseudopartial Grain Boundary Wetting in the NdFeB-Based Alloy by Straumal, B. B., Mazilkin, A. A., Protasova, S. G., Schütz, G., Straumal, A. B., Baretzky, B.

“…The NdFeB-based alloys were invented in 1980s and remain the best-known hard magnetic alloys. In order to reach the optimum magnetic properties, the grains of…”
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Review - Phase Transitions in Ti Alloys Driven by the High Pressure Torsion by Straumal, B., Gornakova, A., Davdian, G., Mazilkin, A., Gondek, Ł., Szczerba, M., Korneva, A.

“…The high pressure torsion (HPT) of various binary Ti alloys with β-stabilizers (Fe, Co, Ni, Mo, Nb) was studied. Before HPT, the samples were annealed and…”
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Pseudopartial wetting of grain boundaries in severely deformed Al-Zn alloys by Straumal, B. B., Mazilkin, A. A., Sauvage, X., Valiev, R. Z., Straumal, A. B., Gusak, A. M.

“…After severe plastic deformation by the high-pressure torsion, Al-Zn alloys have three various classes of Al/Al grain boundaries (GBs) wetted with a second…”
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Severe Plastic Deformation and Phase Transformations in High Entropy Alloys: A Review by Straumal, Boris B., Kulagin, Roman, Baretzky, Brigitte, Anisimova, Natalia Yu, Kiselevskiy, Mikhail V., Klinger, Leonid, Straumal, Petr B., Kogtenkova, Olga A., Valiev, Ruslan Z.

“…This review discusses an area of expertise that is at the intersection of three large parts of materials science. These are phase transformations, severe…”
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Grain boundary complexions and pseudopartial wetting by Straumal, B.B., Mazilkin, A.A., Baretzky, B.

“…[Display omitted] •Grain boundary (GB) complexions are connected with wetting phenomena.•The pseudopartial GB wetting can be observed between complete and…”
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Microstructure evolution and mechanical behavior of ultrafine Ti 6Al 4V during low-temperature superplastic deformation by Zherebtsov, S.V., Kudryavtsev, E.A., Salishchev, G.A., Straumal, B.B., Semiatin, S.L.

“…The influence of microstructure evolution on the low-temperature superplasticity of ultrafine Ti--6Al--4V was established. For this purpose, the static and…”
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Accelerated Diffusion and Phase Transformations in Co–Cu Alloys Driven by the Severe Plastic Deformation by Straumal, Boris B., Mazilkin, Andrei A., Baretzky, Brigitte, Schütz, Gisela, Rabkin, Eugen, Valiev, Ruslan Z.

“…The cast Co–5.6 mass% Cu and Co–13.6 mass% Cu alloys were subjected to severe plastic deformation (SPD) by the high-pressure torsion (HPT). The HPT treatment…”
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Phase transitions in Cu-based alloys under high pressure torsion by Straumal, B.B., Kilmametov, A.R., Korneva, A., Mazilkin, A.A., Straumal, P.B., Zięba, P., Baretzky, B.

“…Severe plastic deformation not only leads to grain refinement but also accelerates mass-transfer and drives phase transformations in these Cu-based alloys…”
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