Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Lembit KOMMEL"'
Autor:
Maksim Antonov, Edgar Garcia-Sanchez, Marco A. L. Hernandez-Rodriguez, Julia Ivanisenko, Lembit Kommel, Babak Omranpour, Fjodor Sergejev
Publikováno v:
Proceedings of the Estonian Academy of Sciences, Vol 70, Iss 4, Pp 540-548 (2021)
High Pressure Torsion Extrusion (HPTE) as a novel approach in mechanical nanostructuring of metallic materials and alloys has the potential to be utilized in industrial applications due to its unique features in fabricating bulk-nanostructured materi
Externí odkaz:
https://doaj.org/article/7da1e358a33e4c27ad9db83516597cc1
Publikováno v:
Medžiagotyra, Vol 22, Iss 1, Pp 41-43 (2016)
Self-propagating high-temperature synthesis method can be used for producing aluminum and boron carbide based composites. The experimental composites were fabricated using cobalt and carbon as catalysts. The microstructure of the material was studied
Externí odkaz:
https://doaj.org/article/c60b88236290431fa6ea913540b23302
Publikováno v:
Medžiagotyra, Vol 18, Iss 4, Pp 330-335 (2012)
The mechanical and physical properties relationship from atomic level strain/stress causes dislocation density and electrical conductivity relationship, as well as crystallites deformation and hkl-parameter change in the severely deformed pure refrac
Externí odkaz:
https://doaj.org/article/053635a4db4c43e7b92f4f84de426591
Publikováno v:
Medžiagotyra, Vol 18, Iss 3, Pp 234-237 (2012)
In this work novel routes for consolidating aluminum powders via Equal Channel Angular Pressing (ECAP) are investigated. Furthermore, parameters were optimized for consolidating aluminium reinforced with nanoparticles (n-SiC) and nanofibers (Carbon n
Externí odkaz:
https://doaj.org/article/ffde4ad189ab4f298ea10dc6435a6db9
Publikováno v:
Medžiagotyra, Vol 18, Iss 1, Pp 28-33 (2012)
This investigation describes the changes in the phase’s micromechanical properties as a result of alloying elements moving at interdiffusion. The induction of the interdiffusion between different phases of a Ni-based single crystal superalloy still
Externí odkaz:
https://doaj.org/article/c0b9a2fe1a2d425ebafdb81e288ad5e7
Publikováno v:
Journal of Materials Engineering and Performance. 31:9690-9702
Publikováno v:
E-Prints Complutense. Archivo Institucional de la UCM
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In this work, we investigated a modern combined processing technique for the synthesis of lightweight superhard composites based on boron–carbon. We used traditional B4C with precipitates of free graphite and Al powder as initial materials. In the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4bf9893c738acf2cde00c91a9d2477e
https://eprints.ucm.es/id/eprint/74088/1/s42823-022-00351-9.pdf
https://eprints.ucm.es/id/eprint/74088/1/s42823-022-00351-9.pdf
Autor:
Babak Omranpour Shahreza, Jacques Huot, Maksim Antonov, Lembit Kommel, Fjodor Sergejev, Francisco Javier Pérez Trujillo, Anita Heczel, Jenő Gubicza
Publikováno v:
International Journal of Refractory Metals and Hard Materials
This article studies the evolution of microstructure and the wear resistance in tantalum processed by a newly developed Severe Plastic Deformation (SPD) technique called Indirect Extrusion Angular Pressing (IEAP). The microstructure and tribological
Autor:
Babak Omranpour Shahreza, Marco A.L. Hernandez-Rodriguez, Edgar Garcia-Sanchez, Lembit Kommel, Fjodor Sergejev, Armando Salinas-Rodríguez, Anita Heczel, Jenő Gubicza
This research, for the first time, conducted a comprehensive study into the effect of a modern Severe Plastic Deformation technique, “Indirect Extrusion Angular Pressing (IEAP)”, on the microstructural refinement of niobium and the subsequent imp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef984c0f42b3dbac8d25323be198f42e
https://eprints.ucm.es/id/eprint/74542/
https://eprints.ucm.es/id/eprint/74542/
Publikováno v:
Key Engineering Materials. 799:173-178
Hydrogen is expected to be a viable solution for green-energy investment in future. However, hydrogen storage is a big challenge for stationary and mobile applications. Severe Plastic Deformation (SPD) techniques are well-known to be effective in enh