Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Zbigniew Gronostajski"'
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 856-864 (2024)
One of the most important factor affecting properties of TWIP steels is the heat generated from plastic work during deformation. As the significant temperature rise can lead to a reduction or cessation of the main deformation mechanism – twinning.
Externí odkaz:
https://doaj.org/article/215f4adfdebc4f78893091381488ba50
Autor:
Marek Hawryluk, Marta Janik, Zbigniew Gronostajski, Artur Barełkowki, Maciej Zwierzchowski, Marzena Lachowicz, Jacek Ziemba, Jan Marzec
Publikováno v:
Materials, Vol 17, Iss 2, p 370 (2024)
This study refers to an analysis of the durability of forging tools applied in the second operation of producing a valve forging from the chromium–nickel steel, NC3015. Due to the extreme working conditions of the tools, caused by cyclic thermo-mec
Externí odkaz:
https://doaj.org/article/93caee2e207b49c7a7c56ea8b08a1169
Autor:
Marzena M. Lachowicz, Maciej Zwierzchowski, Marek Hawryluk, Zbigniew Gronostajski, Marta Janik
Publikováno v:
Materials, Vol 16, Iss 19, p 6370 (2023)
This paper focused on determining the increased tendency of cracking after the die forging process of high nickel and chromium steel. The increase in carbon content in austenitic nickel–chromium steel promoted the tendency of valve forgings to forg
Externí odkaz:
https://doaj.org/article/ffa5859359354b0cb6535a7a1a18f03b
Publikováno v:
Materials, Vol 16, Iss 19, p 6430 (2023)
The aim of this research is a systematic investigation of heat treatments of 60E1 profile rails made of steel R350HT, which would ensure the properties required by the standard EN 16273. Additionally, it presents a concept of cooling rails on a semi-
Externí odkaz:
https://doaj.org/article/82bb3c4cc7994397a501edd8c0fa17aa
Publikováno v:
Przegląd Spawalnictwa, Vol 92, Iss 3 (2020)
The article presents the results of research conducted in order to develop the technology of regenerative surfacing of forging dies. The selected example shows how the use of a measuring arm with a laser scanner can be used to support the regeneratio
Externí odkaz:
https://doaj.org/article/ab685d0149ce4c058a9aef7890a5b4a5
Publikováno v:
Przegląd Spawalnictwa, Vol 91, Iss 2 (2019)
In response to the growing need to use wear-resistant layers that increase durability of tools in forging pro-cesses, hybrid layers have been proposed that combine hardfacing with nitriding treatment. This article presents the results of laboratory t
Externí odkaz:
https://doaj.org/article/dd37cade88354194bdbb1609e29905d2
Autor:
Marek Hawryluk, Zbigniew Gronostajski, Maciej Zwierzchowski, Paweł Jabłoński, Artur Barełkowski, Jakub Krawczyk, Karol Jaśkiewicz, Marcin Rychlik
Publikováno v:
Materials, Vol 13, Iss 11, p 2441 (2020)
The global production of die forgings is an important branch of the motor industry for obvious reasons, resulting from the very good mechanical properties of the forged products. The expectations of the recipients, beside the implementation of the fo
Externí odkaz:
https://doaj.org/article/94c60815a5ca4b17b5f4578a4f9b4514
Autor:
Marek Hawryluk, Zbigniew Gronostajski, Jacek Ziemba, Marta Janik, Piotr Górski, Miłosz Lisowski
Publikováno v:
Materials, Vol 13, Iss 8, p 1881 (2020)
This article discusses the problems related to the use of non-contact 3D scanning techniques and their support by means of replication methods for the analysis of the geometrical changes in deep tool impressions used for the forward extrusion of valv
Externí odkaz:
https://doaj.org/article/39bef5c4de7643dfb29305890975c450
Autor:
Magdalena Barbara Jabłońska, Katarzyna Jasiak, Karolina Kowalczyk, Iwona Bednarczyk, Mateusz Skwarski, Marek Tkocz, Zbigniew Gronostajski
Publikováno v:
Materials Science-Poland. 40:1-11
In this paper, the heat generated during deformation under the static testing of high-manganese TWIP steel with addition of niobium was determined. The research combined the interaction of heat generated during deformation, mechanical properties, har
Autor:
Magdalena Barbara Jabłońska, Katarzyna Jasiak, Karolina Kowalczyk, Mateusz Skwarski, Kinga Rodak, Zbigniew Gronostajski
Publikováno v:
International Journal of Material Forming. 16
The TWIP (Twinning Induced Plasticity) steels are one of the most promising materials in reducing the weight of vehicles. Despite a lot of research on TWIP steel, there are some issues that are not explained enough. Due to the future use of TWIP stee