Výsledky vyhledávání - "Ľubomíra DROZDOVÁ"

Akademický článek

Impact of Ni on the thermophysical and thermodynamic properties of Fe–C–Ni based alloys

Autor: Ľubomíra Drozdová, Bedřich Smetana, Mario Machů, Vlastimil Novák, Jiřina Vontorová, Simona Zlá, Monika Kawuloková, Lenka Řeháčková, Svetlana Sorokina

Publikováno v: Journal of Materials Research and Technology, Vol 20, Iss , Pp 4318-4332 (2022)

Three model alloys based on Fe-C-Ni were studied containing carbon between 0.338 and 0.382 wt. % and nickel between 1.084 and 4.478 wt. %. Phase transition temperatures, heat capacity, enthalpy change, heat of fusion, coefficient of thermal expansion

Externí odkaz: https://doaj.org/article/1d3cac70821d4e9ab2f7a5ede23e252e

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Akademický článek

Possibilities of complex experimental study of thermophysical and thermodynamic properties of selected steels

Autor: Lenka Řeháčková, Vlastimil Novák, Bedřich Smetana, Dalibor Matýsek, Petra Váňová, Ľubomíra Drozdová, Jana Dobrovská

Publikováno v: Journal of Materials Research and Technology, Vol 8, Iss 4, Pp 3635-3643 (2019)

In this paper, selected key thermophysical and thermodynamical properties of steels (three alloys based on Fe–C–Cr) such as solidus (TS) and liquidus (TL) temperatures, peritectic transformation temperatures (TP), heats of fusion (ΔHF), specific

Externí odkaz: https://doaj.org/article/7536c5aae3b8449da6f3891b69975c24

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Akademický článek

The Relationship between Nil-Strength Temperature, Zero Strength Temperature and Solidus Temperature of Carbon Steels

Autor: Petr Kawulok, Ivo Schindler, Bedřich Smetana, Ján Moravec, Andrea Mertová, Ľubomíra Drozdová, Rostislav Kawulok, Petr Opěla, Stanislav Rusz

Publikováno v: Metals, Vol 10, Iss 3, p 399 (2020)

The nil-strength temperature, zero strength temperature and solidus temperature are significant parameters with respect to the processes of melting, casting and welding steels. With the use of physical tests performed on the universal plastometer Gle

Externí odkaz: https://doaj.org/article/76152a5cc330448ab1ca145b17a434d0

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Investigation of Fe–C–Cr and Fe–C–Cr–Ni-based systems with the use of DTA and HT-LSCM methods

Autor: Lenka Řeháčková, Peter Presoly, Bedřich Smetana, Christian Bernhard, Mario Machů, Vlastimil Novák, Michael Christian Bernhard, Ľubomíra Drozdová, Simona Zlá, Hana Francová

Publikováno v: Journal of Thermal Analysis and Calorimetry. 142:535-546

Three Fe–C–Cr and three Fe–C–Cr–Ni-based alloys containing carbon between 0.318 and 0.410 mass%, chromium and nickel between of 0.001 and 4.990 mass% were studied. Original temperatures of solidus, liquidus and peritectic transformation wer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::810b734d5f804fca56836f3051ddb0cc
https://doi.org/10.1007/s10973-020-10305-w

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Osobine Fe-C-O-Cr legura na površini i na graničnoj površini u kontaktu sa aluminijum

Autor: Lenka Řeháčková, Bedřich Smetana, Ľubomíra Drozdová, Kateřina Konečná, Vlastimil Novák, Silvie Rosypalová, Petra Váňová

Publikováno v: Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 56, Iss 2, Pp 143-151 (2020)

In this paper, temperature and concentration dependencies on density and surface tension of liquid Fe-C-O-Cr alloys (1.93 - 4.80 wt.% Cr) were investigated in high-temperature resistance observation furnace by a sessile drop method during heating fro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d4a0198e6e4a9c5206960fcadf85bfc
http://www.doiserbia.nb.rs/img/doi/1450-5339/2020/1450-53392000005N.pdf

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