Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Larissa Moravcikova-Gouvea"'
Autor:
Igor Moravcik, Martin Zelený, Antonin Dlouhy, Hynek Hadraba, Larissa Moravcikova-Gouvea, Pavel Papež, Ondřej Fikar, Ivo Dlouhy, Dierk Raabe, Zhiming Li
Publikováno v:
Science and Technology of Advanced Materials, Vol 23, Iss 1, Pp 376-392 (2022)
We investigated the effects of interstitial N and C on the stacking fault energy (SFE) of an equiatomic CoCrNi medium entropy alloy. Results of computer modeling were compared to tensile deformation and electron microscopy data. Both N and C in solid
Externí odkaz:
https://doaj.org/article/20309dc7c1754e1197b9040229c75add
Autor:
Igor Moravcik, Antonin Kubicek, Larissa Moravcikova-Gouvea, Ondrej Adam, Vaclav Kana, Vaclav Pouchly, Antonin Zadera, Ivo Dlouhy
Publikováno v:
Metals, Vol 10, Iss 9, p 1186 (2020)
One of the prevailing problems for materials produced by powder metallurgy is contamination from various sources. This work deals with the influence of process parameters and presence of process control agents (PCA) on the contamination level of mate
Externí odkaz:
https://doaj.org/article/fe44ba351e254a168571b96403635081
Autor:
Zuzana Kovacova, Larissa Moravcikova-Gouvea, Ivo Dlouhy, Michael Kitzmantel, Erich Neubauer, Vít Jan
Publikováno v:
Materials Science Forum. 1016:940-945
In this work, the low-density Al0.5NbTa0.8Ti1.5V0.2Zr RHEA prepared by mechanical alloying combined with hot uniaxial pressing (HP) was investigated. The alloy was subjected to different sintering temperatures on the range of 1200°C up to 1600°C, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e12b30fd35f897a866d345db7e7b3a34
https://doi.org/10.4028/www.scientific.net/msf.1016.940
https://doi.org/10.4028/www.scientific.net/msf.1016.940
Autor:
Michael Kitzmantel, Zuzana Kovacova, Igor Moravcik, Ivo Dlouhy, Larissa Moravcikova-Gouvea, Vaclav Pouchly, Erich Neubauer
Publikováno v:
Materials
Volume 14
Issue 19
Materials, Vol 14, Iss 5796, p 5796 (2021)
Materials . 2021, vol. 14, issue 19, p. 1-21.
Volume 14
Issue 19
Materials, Vol 14, Iss 5796, p 5796 (2021)
Materials . 2021, vol. 14, issue 19, p. 1-21.
This paper reports the microstructural evolution and mechanical properties of a low-density Al0.3NbTa0.8Ti1.5V0.2Zr refractory high-entropy alloy (RHEA) prepared by means of a combination of mechanical alloying and spark plasma sintering (SPS). Prior
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b42349ecc0ded0f0afc97230fd86bd39
Autor:
Larissa Moravcikova-Gouvea, Vaclav Kana, Antonin Kubicek, Vaclav Pouchly, Antonin Zadera, Ivo Dlouhy, Ondrej Adam, Igor Moravcik
Publikováno v:
Metals. 2020, vol. 10, issue 9, p. 1-15.
Metals
Volume 10
Issue 9
Metals, Vol 10, Iss 1186, p 1186 (2020)
Metals
Volume 10
Issue 9
Metals, Vol 10, Iss 1186, p 1186 (2020)
One of the prevailing problems for materials produced by powder metallurgy is contamination from various sources. This work deals with the influence of process parameters and presence of process control agents (PCA) on the contamination level of mate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1f7f5b7ceb7db7abf50c2ac3f515569
https://hdl.handle.net/11012/195695
https://hdl.handle.net/11012/195695
Influence of Ti on the Tensile Properties of the High-Strength Powder Metallurgy High Entropy Alloys
Autor:
Michael Kitzmantel, Zuzana Kovacova, Erich Neubauer, Larissa Moravcikova-Gouvea, Igor Moravcik, Stepan Gamanov, Ivo Dlouhy
Publikováno v:
Materials
Volume 13
Issue 3
Materials . 2020, vol. 13, issue 3, p. 0-18.
Materials, Vol 13, Iss 3, p 578 (2020)
Volume 13
Issue 3
Materials . 2020, vol. 13, issue 3, p. 0-18.
Materials, Vol 13, Iss 3, p 578 (2020)
The focus of this study is the evaluation of the influence of Ti concentration on the tensile properties of powder metallurgy high entropy alloys. Three Ni1.5Co1.5CrFeTiX alloys with X = 0.3
0.5 and 0.7 were produced by mechanical alloying and s
0.5 and 0.7 were produced by mechanical alloying and s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c52fa51f48619110e617dbe71eed1a47
Autor:
Naeimeh Sadat Peighambardoust, Igor Moravcik, Chang Liu, Amir Motallebzadeh, Zhiming Li, Larissa Moravcikova-Gouvea, J. Manoj Prabhakar, Ivo Dlouhy
Publikováno v:
Materials Characterization. 172:110869
The corrosion resistance of the equiatomic CoCrNi medium-entropy alloy (MEA) and its 0.5 atomic % nitrogen alloyed variant in 0.1 M H2SO4 solution was investigated and compared with that of the 316 L stainless steel as a reference material. All of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5691a0087346af57ff5f3e6237c25c6
https://doi.org/10.1016/j.matchar.2020.110869
https://doi.org/10.1016/j.matchar.2020.110869
Autor:
Igor Moravcik, Jozef Veselý, Peter Minárik, Jan Cupera, Antonín Záděra, Jan Cizek, Milan Omasta, Ivo Dlouhy, Larissa Moravcikova-Gouvea, Vít Jan
Publikováno v:
Materials Characterization. 159:110046
This work presents an in-depth comparison of the microstructural origins of high strength and high wear resistance in the Al0.2Co1.5CrFeNi1.5Ti high-entropy alloy produced by powder metallurgy (PM) and casting. The PM alloy microstructure is composed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11a75a220bafa8a782fad7de33a82b76
https://doi.org/10.1016/j.matchar.2019.110046
https://doi.org/10.1016/j.matchar.2019.110046