Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Petr Kawulok"'
Publikováno v:
Journal of Materials Research and Technology, Vol 14, Iss , Pp 1837-1847 (2021)
In recent years, the study of the hot deformation behavior of various materials is significantly marked by an increasing utilization of artificial neural networks, which are frequently employed for a hot flow curve description. This specific kind of
Externí odkaz:
https://doaj.org/article/40fecdeaa05f49dfb522ba89ff5de722
Publikováno v:
Materials & Design, Vol 220, Iss , Pp 110880- (2022)
In recent years, the utilization of artificial neural networks (ANNs) as regression models to solve the issue of hot flow stress forecasting has become a standard approach. In a connection with this kind of regression issue, employed ANNs are usually
Externí odkaz:
https://doaj.org/article/b433fb03031249c39966967bf713c57f
Autor:
Michal Sauer, Richard Fabík, Ivo Schindler, Petr Kawulok, Petr Opěla, Rostislav Kawulok, Vlastimil Vodárek, Stanislav Rusz
Publikováno v:
Materials, Vol 16, Iss 1, p 288 (2022)
It is not realistic to optimize the roll pass design of profile rolling mills, which typically roll hundreds of profiles, using physical modelling or operational rolling. The use of reliable models of microstructure evolution is preferable here. Base
Externí odkaz:
https://doaj.org/article/14329f50344d4a8986730de730286d0d
Autor:
Petr Kawulok, Petr Opěla, Ivo Schindler, Rostislav Kawulok, Stanislav Rusz, Michal Sauer, Kateřina Konečná
Publikováno v:
Materials, Vol 15, Iss 2, p 595 (2022)
The hot deformation behavior of selected non-alloyed carbon steels was investigated by isothermal continuous uniaxial compression tests. Based on the analysis of experimentally determined flow stress curves, material constants suitable for predicting
Externí odkaz:
https://doaj.org/article/cd01d161fca74b59874e8789944634b3
Autor:
Jitka Malcharcziková, Kateřina Skotnicová, Petr Kawulok, Rostislav Kawulok, Ivo Szurman, Jana Růžička
Publikováno v:
Crystals, Vol 12, Iss 2, p 215 (2022)
Ni-Al-Mo based alloys can be used as materials for high temperature applications. They can be prepared by various techniques such as an electron beam zone melting, which allows us to obtain the alloys with a directionally solidified structure and uni
Externí odkaz:
https://doaj.org/article/53e1b890f6904bb8b72a6b1f400b9a5e
Autor:
Stanislav RUSZ, Ivo SCHINDLER, Rostislav TUROŇ, Petra TUROŇOVÁ, Pavel KUKUCZKA, Radek CIESLAR, Petr KAWULOK, Rostislav KAWULOK, Petr OPĚLA, Michal SAUER
Publikováno v:
Journal of Metallic Materials. 74:3-7
The aim of the paper was to determine the temperature dependence of formability of investigated steels by uniaxial tensile fracture tests under thermomechanical conditions corresponding to punching (1340–1395 °C) and pilger rolling (800–1050 °C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::407de57f3bd7db3e9ff62e8b55937b1f
https://doi.org/10.32730/imz.2657-747.22.2.1
https://doi.org/10.32730/imz.2657-747.22.2.1
Publikováno v:
Journal of Metallic Materials. 74:21-27
The paper deals with the unconventional issue of composite steel preparation by hot rolling. Various production possibilities of multilayer composite from austenitic stainless steel AISI 304 and tool high carbon steel AISI D2 were investigated. Sampl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e64b962cc7200452e0c2042d8d0ae3a0
https://doi.org/10.32730/imz.2657-747.22.1.4
https://doi.org/10.32730/imz.2657-747.22.1.4
Autor:
Petr KAWULOK, David JUREK, Ivo SCHINDLER, Rostislav KAWULOK, Petr OPĚLA, Josef NĚMEC, Monika KAWULOKOVÁ, Stanislav RUSZ, Michal SAUER
Publikováno v:
Journal of Metallic Materials. 74:15-20
By using of hot tensile tests, which were performed on simulator HDS-20, the formability of Invar 36 alloy was investigated. By a special type of a tensile test, involving a continuous control heating of the tested specimens and their simultaneous lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::926a7d73b8c27dd8643b80a9c704b9a7
https://doi.org/10.32730/imz.2657-747.22.1.3
https://doi.org/10.32730/imz.2657-747.22.1.3
Autor:
Rusz, Michal Sauer, Richard Fabík, Ivo Schindler, Petr Kawulok, Petr Opěla, Rostislav Kawulok, Vlastimil Vodárek, Stanislav
Publikováno v:
Materials; Volume 16; Issue 1; Pages: 288
It is not realistic to optimize the roll pass design of profile rolling mills, which typically roll hundreds of profiles, using physical modelling or operational rolling. The use of reliable models of microstructure evolution is preferable here. Base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::cbd75bc302061133e575d2de37524673
Autor:
Ivo Schindler, Rostislav Kawulok, Petr Opěla, Petr Kawulok, Stanislav Rusz, Jaroslav Sojka, Michal Sauer, Horymír Navrátil, Lukáš Pindor
Publikováno v:
Materials, Vol 13, Iss 22, p 5116 (2020)
The combined effect of deformation temperature and strain value on the continuous cooling transformation (CCT) diagram of low-alloy steel with 0.23% C, 1.17% Mn, 0.79% Ni, 0.44% Cr, and 0.22% Mo was studied. The deformation temperature (identical to
Externí odkaz:
https://doaj.org/article/2e580f02d3c7423f927ab960e2310810