Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Ján Moravec"'
Publikováno v:
Materials, Vol 16, Iss 4, p 1396 (2023)
This study investigates the influence of strain rate on plastic deformation developed in the flange of a steel road barrier. This effect can be investigated by the use of the uniaxial tensile test. It was found that the strain rate increases yield as
Externí odkaz:
https://doaj.org/article/c32d5da262954853ad2f72b449732330
Publikováno v:
Materials, Vol 15, Iss 10, p 3558 (2022)
Currently, classical methods for the creation of various shapes and bending angles of metal sheet parts are applied. They are represented by the so-called all-metal forming tools. Non-standard methods, which in some cases exceed conventional technica
Externí odkaz:
https://doaj.org/article/68cd15ecb5784bccb064817474267a77
Autor:
Ján Moravec, Karel Gryc
Publikováno v:
Metals, Vol 11, Iss 7, p 1106 (2021)
Forming and heat treatment of metals are crucial technologies for final metallic material processing at the end of production line, before they are incorporated into the final products or crucial components of more and more demanding systems required
Externí odkaz:
https://doaj.org/article/f741b62e088c4b1790cece41b0869570
Publikováno v:
Materials, Vol 14, Iss 9, p 2406 (2021)
Forgings produced in industry are an irreplaceable basis for subsequent elaborating on machine tools. The quality of the semi-finished product produced by forging is a necessary prerequisite for ensuring the final quality of the final product because
Externí odkaz:
https://doaj.org/article/eb270f0573e146a6a7cd0c710c414cf7
Autor:
Ján Moravec
Publikováno v:
Tehnički Vjesnik, Vol 24, Iss Supplement 1, Pp 143-146 (2017)
Heat treatment of active components of cold – moulding tools is a necessary operation to guarantee their functionality. The tools made by this method loose the required quality of durability and period of service and losses caused by their frequent
Externí odkaz:
https://doaj.org/article/eeea95d191a143b0b8ad97f2a346171d
Publikováno v:
Metals, Vol 10, Iss 6, p 709 (2020)
This article is focused on an analysis of factors negatively affecting the tube production process of tubes made from austenitic stainless steel with a very small diameter of ϕ 0.34 mm. The analysis was concentrated on factors that affect the drawin
Externí odkaz:
https://doaj.org/article/9e4a39b5bc024de4b8cb16b9af4ec90d
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
Autor:
Miroslav Neslušan, Libor Trško, Peter Minárik, Jiří Čapek, Jozef Bronček, Filip Pastorek, Jakub Čížek, Ján Moravec
Publikováno v:
Metals, Vol 8, Iss 12, p 1029 (2018)
This paper reports about the non-destructive evaluation of surfaces after severe shot peening via the Barkhausen noise technique. Residuals stresses and the corresponding Almen intensity, as well as microstructure alterations, are correlated with the
Externí odkaz:
https://doaj.org/article/e93ff6e3b5ef40fb83ff6c23f7ccb728
Autor:
Elena Kantoríková, Ján Moravec
Publikováno v:
Manufacturing Technology. 22:20-25
Publikováno v:
Manufacturing Technology. 19:1094-1099
The setting of laser cutting technology parameters affects the resulting state of the final surface. When cutting low-carbon steel using conventional parameters - oxidative cutting, surface oxide layers are formed on the cutting edges resulting from