Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Yuriy S. Nechaev"'
Publikováno v:
Key Engineering Materials. 910:559-566
In the present study, the extraordinary, i.e., not yet reproduced by anybody, data of Rodrigez, Baker, Gupta et al. on the “super” storage of hydrogen in activated graphite nanofibers (GNFs) were analyzed and interpreted in approximation of the f
Autor:
Andreas Öchsner, Yuriy S. Nechaev
Publikováno v:
Defect and Diffusion Forum. 391:246-250
We present results of the constructive critical analysis and interpretation of some recent studies (Blavette, Sauvage, Wilde and others) at the atomic scale (using three-dimensional atom-probe field-ion microscopy) of impurity nanosegregation at disl
Autor:
Yuriy S. Nechaev
Publikováno v:
Defect and Diffusion Forum. 385:120-125
Based on the results of the thermodynamic analysis of a number of experimental data, and in the light of the Kaibyshev-Valiev discovery, the possibility of periodic formation of a liquid-like state in the nanoregions of extremely "non-equilibrium" gr
Autor:
Yuriy S. Nechaev
Publikováno v:
Journal of Nano Research. 15:75-93
In this analytical review, some thermodynamic, physical and nanotechnological aspects of the graphene/graphane problem are considered (in a correlation), relevance to developing a much simpler and efficient method (in comparison with the megabar comp
Autor:
Yuriy S. Nechaev
Publikováno v:
Journal of Nano Research. 12:1-44
Empiric evaluations of fundamental characteristics of interactions of gaseous hydrogen with different kinds of graphite and novel carbonaceous nanomaterials and revealing the micromechanisms have been carried out. The approaches used were those of th
Autor:
Yuriy S. Nechaev, Andreas Öchsner
Publikováno v:
Defect and Diffusion Forum. :545-551
New possible nanotechnology applications of some original developments and results of studying the regularities and micromechanisms (physics) of the hydrogen °uoride gas activa- tor in°uence on oxidation of titanium, zirconium and zirconium-based a
Autor:
Yuriy S. Nechaev
Publikováno v:
Solid State Phenomena. 138:91-118
Specific phase transitions to the compound-like impurity nanosegregation structures at dislocations and grain boundaries in metals and their influence on diffusion-assisted processes are considered, mainly, on the basis of the thermodynamic analysis
Autor:
Yuriy S. Nechaev
Publikováno v:
Defect and Diffusion Forum. :111-122
As the critical constructive analysis, with using the thermodynamic and crystal-chemical approaches, of the related experimental data is shown, the anomalous (with respect to the Al selfdiffusion characteristics (DAl - the self-diffusion coefficient,
Autor:
Yuriy S. Nechaev
Publikováno v:
Defect and Diffusion Forum. :123-126
Urgent open questions and their solution ways are considered of the thermodynamic stimuli and mechanisms of the enhanced Fickian diffusion mass-transport providing the unusual structuralphase transformations in metallic materials undergoing the inten
Autor:
G.A. Filippov, Yuriy S. Nechaev
Publikováno v:
Defect and Diffusion Forum. 249:143-146
Results of experimental and theoretical investigations on hydrogen sorption by various carbon nanostructures, including fullerenes, single-walled and multi-walled nanotubes, nanofibers and nanographite-based composites are surveyed. Results of a ther