Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Jakub Kotous"'
Autor:
Aleksandr Gokhman, Petr Motyčka, Pavel Salvetr, Zbyšek Nový, Jakub Kotous, Arkadii Briukhanov, Ján Džugan
Publikováno v:
Materials, Vol 16, Iss 13, p 4619 (2023)
In this study, dilatometry and metallography were used to investigate the effect of silicon and copper alloying on the decomposition kinetics of 54SiCr6 steel during continuous slow cooling. It is different from the published literature for using the
Externí odkaz:
https://doaj.org/article/8e8bd994065a4a84bb0b442515c38825
Publikováno v:
Materials, Vol 16, Iss 9, p 3523 (2023)
The dissolution of carbides during the heating to the quenching temperature has a significant effect on the martensite oversaturation and the resulting mechanical properties. The kinetics of dissolution can be influenced by various external factors.
Externí odkaz:
https://doaj.org/article/94964faa81e941dd9a6898d6b2ac08d6
Autor:
Radek Procházka, Adam Stehlík, Jakub Kotous, Pavel Salvetr, Tomasz Bucki, Ondřej Stránský, Sanin Zulić
Publikováno v:
Materials, Vol 16, Iss 9, p 3327 (2023)
This article deals with the effect of strain-assisted tempering (SAT) on the fatigue properties of 54SiCr6 steel used for spring steel wires in a wide variety of automotive applications, including coil springs. This steel spring wire is extremely str
Externí odkaz:
https://doaj.org/article/1c3b8d932e954c17a911506aa7d0c26e
Autor:
Pavel Salvetr, Andrea Školáková, Jakub Kotous, Jan Drahokoupil, Daniel Melzer, Zdeněk Jansa, Črtomir Donik, Aleksandr Gokhman, Zbyšek Nový
Publikováno v:
Materials, Vol 16, Iss 5, p 2121 (2023)
The present work aimed to study the properties of medium-carbon steel during tempering treatment and to present the strength increase of medium-carbon spring steels by strain-assisted tempering (SAT). The effect of double-step tempering and double-st
Externí odkaz:
https://doaj.org/article/38734b3561d54200aef6e7e567e08ebd
Effect of Cu Alloying on Mechanical Properties of Medium-C Steel after Long-Time Tempering at 500 °C
Autor:
Pavel Salvetr, Aleksandr Gokhman, Milan Svoboda, Črtomir Donik, Ivana Podstranská, Jakub Kotous, Zbyšek Nový
Publikováno v:
Materials, Vol 16, Iss 6, p 2390 (2023)
This research studies the influence of the copper alloying of medium-carbon steel on mechanical properties after quenching and tempering at 500 °C. The microstructure was characterised using SEM, EBSD, TEM, and XRD analysis. The mechanical propertie
Externí odkaz:
https://doaj.org/article/8d58e4788c8b415dac621c126c272f17
Autor:
Zbyšek Nový, Pavel Salvetr, Jakub Kotous, Petr Motyčka, Aleksandr Gokhman, Črtomir Donik, Ján Džugan
Publikováno v:
Materials, Vol 15, Iss 20, p 7354 (2022)
Spring steels are typical materials where enhancement of mechanical properties can save considerable mass for transport vehicles, in this way the consumption of fuel or electric energy can be decreased. A drastic change in both the resulting microstr
Externí odkaz:
https://doaj.org/article/e05ba8c72452442e8565bfb8d8e82d70
Publikováno v:
Materials, Vol 14, Iss 18, p 5244 (2021)
Requirements for mechanical properties of steels are constantly increasing, and the combination of quenching and tempering is the method generally chosen for achieving high strength in medium carbon steels. This study examines the influence of variou
Externí odkaz:
https://doaj.org/article/636b52fb01944a5e8dad88626e485390
Autor:
Aleksandr Gokhman, Zbyšek Nový, Pavel Salvetr, Vasyl Ryukhtin, Pavel Strunz, Petr Motyčka, Jan Zmeko, Jakub Kotous
Publikováno v:
Materials, Vol 14, Iss 6, p 1445 (2021)
Understanding the tempering behavior of medium carbon steels is mandatory if their mechanical properties are to be improved. For an optimal technology to be developed for this purpose, a substantial experimental basis is needed to extract quantitativ
Externí odkaz:
https://doaj.org/article/56baf8d24bd545cbbf300e1e11eab06e
Publikováno v:
Manufacturing Technology. 23:186-193
Publikováno v:
Manufacturing Technology. 23:40-46