Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Anna Wojcik"'
Autor:
Anna Sypien, Tomasz Czeppe, Anna Wojcik, Grzegorz Garzel, Anna Goral, Marek Kopyto, Zbigniew Swiatek
Publikováno v:
Crystals, Vol 14, Iss 7, p 669 (2024)
Ternary alloys with CuZnIn compositions based on the binary CuZn diagram and the modeled ternary system solidus projection were investigated. The as-cast alloys, hot-rolled sheets, and samples annealed at low temperature were examined. It was found t
Externí odkaz:
https://doaj.org/article/d43df2c4b36f439986727dd0bd3ebbda
Publikováno v:
Nature-Based Solutions, Vol 3, Iss , Pp 100068- (2023)
Roofs with full or partial coverage of vegetation, also known as green roofs, are perceived to restore ecosystem services in urban areas. Research investigations have been carried out to evaluate green roof performance on reducing stormwater runoff,
Externí odkaz:
https://doaj.org/article/b36dd15ae5a448789e91180ef763d5cd
Publikováno v:
Materials, Vol 16, Iss 18, p 6288 (2023)
The importance of amorphous and nanocrystalline Fe-based soft magnetic materials is increasing annually. Thus, characterisation of the chemical compositions, alloying additives, and crystal structures is significant for obtaining the appropriate func
Externí odkaz:
https://doaj.org/article/6a77492f1bb64f9586701b13d4a79cb8
Autor:
Anna Wojcik, Ewa Olejnik, Agnieszka Bigos, Robert Chulist, Piotr Bobrowski, Pawel Kurtyka, Anna Tarasek, Natalia Rylko, Lukasz Szymanski, Wojciech Maziarz
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 12707-12715 (2020)
Al matrix nanocomposites reinforced with TiC particles have been successfully fabricated by self-propagating high-temperature reaction during casting from aluminium 1000 alloy and a mixture of powders of Ti, C and Al used as a moderator. The most imp
Externí odkaz:
https://doaj.org/article/56a31659d01046bea342c3a05c80644c
Publikováno v:
Managing Global Transitions, Vol 17, Iss 4, Pp 317-334 (2019)
In the context of current economic climate in which enterprises revise business models as well as seek new opportunities and their significance for economic growth policies in a situation where the government recognises the need to support micro-,
Externí odkaz:
https://doaj.org/article/cf813e4546254c73a8e7565377ce1f11
Autor:
Joseph Longji Dadiel, Sugali Pavan Kumar Naik, Paweł Pęczkowski, Jun Sugiyama, Hiraku Ogino, Naomichi Sakai, Yokoyama Kazuya, Tymon Warski, Anna Wojcik, Tetsuo Oka, Masato Murakami
Publikováno v:
Materials, Vol 14, Iss 23, p 7395 (2021)
In this study, high-density magnesium diboride (MgB2) bulk superconductors were synthesized by spark plasma sintering (SPS) under pressure to improve the field dependence of the critical current density (Jc-B) in MgB2 bulk superconductors. We investi
Externí odkaz:
https://doaj.org/article/f6c1b843c14749f68aa793015a301a00
Autor:
Aleksandra Kolano-Burian, Przemyslaw Zackiewicz, Agnieszka Grabias, Anna Wojcik, Wojciech Maziarz, Maciej Szlezynger, Patryk Wlodarczyk, Maciej Kowalczyk, Lukasz Hawelek
Publikováno v:
Materials, Vol 14, Iss 12, p 3433 (2021)
In the present work, we investigated in detail the thermal/crystallization behavior and magnetic properties of materials with Fe84.5-xCoxNb5B8.5P2 (x = 0, 5, 10, 15 and 20 at.%) composition. The amorphous ribbons were manufactured on a semi-industria
Externí odkaz:
https://doaj.org/article/41a518675bdb4fecbc822c8b4205d4d8
Autor:
Tymon Warski, Adrian Radon, Przemyslaw Zackiewicz, Patryk Wlodarczyk, Marcin Polak, Anna Wojcik, Wojciech Maziarz, Aleksandra Kolano-Burian, Lukasz Hawelek
Publikováno v:
Materials, Vol 14, Iss 4, p 726 (2021)
The effect of substitution of Fe by Cu on the crystal structure and magnetic properties of Fe72−xNi8Nb4CuxSi2B14 alloys (x = 0.6, 1.1, 1.6 at.%) in the form of ribbons was investigated. The chemical composition of the materials was established on t
Externí odkaz:
https://doaj.org/article/98a2ff09bc2b473c935026fe181b855d
Autor:
Lukasz Hawelek, Tymon Warski, Patryk Wlodarczyk, Marcin Polak, Przemyslaw Zackiewicz, Wojciech Maziarz, Anna Wojcik, Magdalena Steczkowska-Kempka, Aleksandra Kolano-Burian
Publikováno v:
Materials, Vol 14, Iss 1, p 5 (2020)
The complex structural and magnetic studies of the annealed rapidly quenched Cu-free Fe72Ni8Nb4Si2B14 alloy (metallic ribbons form) are reported here. Based on the calorimetric results, the conventional heat treatment process (with heating rate 10 °
Externí odkaz:
https://doaj.org/article/bc2d7d3e2c2f4b8c928a87ae62091897
Autor:
Anna Wojcik, Wojciech Maziarz, Maciej Kowalczyk, Robert Chulist, Maciej Szlezynger, Pawel Czaja, Lukasz Hawelek, Przemyslaw Zackiewicz, Patryk Wlodarczyk, Aleksandra Kolano-Burian
Publikováno v:
Materials, Vol 13, Iss 7, p 1639 (2020)
In this work, a detailed microstructural investigation of as-melt-spun and heat-treated Fe67Co20B13 ribbons was performed. The as-melt-spun ribbon was predominantly amorphous at room temperature. Subsequent heating demonstrated an amorphous to crysta
Externí odkaz:
https://doaj.org/article/ca64ba1dea754160a2e2fe693a373627