Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Marek Opiela"'
Publikováno v:
Bulletin of the Polish Academy of Sciences: Technical Sciences, Vol 71, Iss 2 (2023)
The paper presents stress-strain characteristics recorded during the four-step compression of axisymmetric samples in the Gleeble thermomechanical simulator. The hot deformability of three steels with Mn concentrations of 3%, 4% and 5% was compared.
Externí odkaz:
https://doaj.org/article/42a53a67f3244929bda155d2ee7fb9dd
Autor:
Marek Opiela, Anna Wojtacha
Publikováno v:
Advances in Science and Technology Research Journal. 16:64-73
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::453fef5712351a131aaac56bf5a63bd2
https://doi.org/10.12913/22998624/151634
https://doi.org/10.12913/22998624/151634
Autor:
Marek Opiela, Anna Wojtacha
Publikováno v:
Advances in Science and Technology Research Journal, Vol 15, Iss 4, Pp 72-80 (2021)
The paper presents the results of research on the influence of plastic deformation and cooling conditions on microstructure, hardness and a shape of CCT-diagram (Continuous Cooling Transformations) of newly developed multi-phase steel assigned for di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df68c904a6d54e0c693c24a70c52725d
http://www.astrj.com/Effect-of-Plastic-Deformation-on-CCT-Diagram-of-Multi-Phase-Forging-Steel,142473,0,2.html
http://www.astrj.com/Effect-of-Plastic-Deformation-on-CCT-Diagram-of-Multi-Phase-Forging-Steel,142473,0,2.html
Publikováno v:
Materials; Volume 15; Issue 22; Pages: 8198
Tests were carried out on two high-Mn steels: 27Mn-4Si-2Al-Nb with Nb microaddition and 24Mn-3Si-1.5Al-Nb-Ti with Nb and Ti microadditions. High-manganese austenitic steels, due to their good strength and plastic properties belong to the AHSS (Advanc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::882dd365c10c974a75415601a77f2dc8
https://pubmed.ncbi.nlm.nih.gov/36431687
https://pubmed.ncbi.nlm.nih.gov/36431687
Autor:
Anna Wojtacha, Marek Opiela
Publikováno v:
Materials; Volume 15; Issue 17; Pages: 5852
This study investigated the effect of hot working conditions on changes in yield stress and the softening degree in the newly developed multiphase steel with Ti and V microadditions. The research was performed on the GLEEBLE 3800 thermomechanical sim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2052651bf166fb82f3f7fdfc4c6ae999
https://pubmed.ncbi.nlm.nih.gov/36079234
https://pubmed.ncbi.nlm.nih.gov/36079234
Autor:
Marek Opiela
Publikováno v:
Advances in Science and Technology Research Journal, Vol 15, Iss 2, Pp 90-100 (2021)
The paper presents the results of thermodynamic analysis of precipitation process of MX-type interstitial phases in austenite. The subject of the investigation were two newly developed high strength low alloy microalloyed steels with similar concentr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9241f8aee2f47b57fa3b69be25a59544
http://www.astrj.com/Thermodynamic-Analysis-of-Precipitation-Process-of-MX-type-Phases-in-High-Strength,135514,0,2.html
http://www.astrj.com/Thermodynamic-Analysis-of-Precipitation-Process-of-MX-type-Phases-in-High-Strength,135514,0,2.html
Publikováno v:
Journal of Modern Science, Vol 57, Iss 3, Pp 450-466 (2024)
The article discusses an approach to analyzing processes in industrial reactors using advanced systems with feedback. The authors describe the system preparation and image reconstruction algorithms of ultrasonic tomographs (USTs) that have applicatio
Externí odkaz:
https://doaj.org/article/7c18e094f8bc45a6ad9f19ee7937f103
Autor:
Anna Wojtacha, Marek Opiela
Publikováno v:
Advances in Science and Technology Research Journal, Vol 15, Iss 1, Pp 126-133 (2021)
The aim of the work was to determine the diagrams of phase evolution under equilibrium conditions and numerical simulation of austenite phase transformations under non-equilibrium conditions, as well as to determine CCT (Continuous Cooling Transforma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35ee3631840a7ea3bd6014c24bdc4aae
http://www.astrj.com/Numerical-Simulation-of-the-Phase-Transformations-in-Steels-A-Case-Study-on-Newly,130863,0,2.html
http://www.astrj.com/Numerical-Simulation-of-the-Phase-Transformations-in-Steels-A-Case-Study-on-Newly,130863,0,2.html
Publikováno v:
Advances in Science and Technology Research Journal, Vol 14, Iss 2, Pp 76-84 (2020)
Materials scientists are seeking to produce metals with reduced weight and dimensions while maintaining the appropriate mechanical properties. There are several ways to improve the internal structure of metals, such as the ultrasound used to solidify
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6105d5cc5f8b8dd4100445fd3792f6be
http://www.journalssystem.com/astrj/The-Effects-of-Hot-Deformation-Parameters-on-the-Size-of-Dynamically-Recrystallised,118255,0,2.html
http://www.journalssystem.com/astrj/The-Effects-of-Hot-Deformation-Parameters-on-the-Size-of-Dynamically-Recrystallised,118255,0,2.html
Autor:
Anna WOJTACHA, Marek OPIELA
Publikováno v:
METAL 2022 Conference Proeedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52d5fd4ea2f53ce144694c1ce377b482
https://doi.org/10.37904/metal.2022.4392
https://doi.org/10.37904/metal.2022.4392