Results 91 to 100 of about 7,332 (199)

Investigation of the Efficiency of Roll Profiles and Technological Schemes of Deformation of Asymmetric Rolling in Relief Rolls of C11000 Copper Alloy by FEM Simulation

open access: yesModelling and Simulation in Engineering, Volume 2024, Issue 1, 2024.
In this paper, finite element simulation of asymmetric rolling in relief rolls of C11000 copper alloy in order to analyze the effectiveness of possible roll profiles and technological schemes of deformation was performed. The scientific innovation of this work lies in determining the patterns of development of stress‐strain state parameters for various
Evgeniy Panin   +11 more
wiley   +1 more source

Reversibility in some hysteresis models: A brief review [PDF]

open access: yesSerbian Journal of Electrical Engineering
Electrical engineers and solid state physicists are interested in modeling hysteresis. In the present short review paper we point out the necessity to take into account the effect of reversible magnetization processes in the descriptions.
Jastrzębski Radosław   +1 more
doaj   +1 more source

"Toposy (w) filozofii : filozofia i jej miejsce w doświadczeniu kulturowym", red. nauk. Maciej Woźniczka, Marek Perka. Częstochowa, 2018 [PDF]

open access: yes, 2019
Recenzja książki: "Toposy (w) filozofii : filozofia i jej miejsce w doświadczeniu kulturowym", red. nauk. Maciej Woźniczka, Marek Perka.
Rembierz, Marek
core   +1 more source

Economic conditions for sustainable development

open access: yesХабаршысы. Экономика сериясы
Sustainable development is a complex topic that can be analyzed from different perspectives. Key factors such as energy, population, food and economy have a significant impact on the mutual relationships between them.
J.K. Grabara, M. Chłąd
doaj   +1 more source

The Effect of Vacuum Assistance on the Quality of Castings Produced by High Pressure Die Casting Method

open access: yesArchives of Foundry Engineering, 2014
The presented work is aimed to deal with the influence of changes in the value of negative (relative) pressure maintained in the die cavity of pressure die casting machine on the surface quality of pressure castings.
Łągiewka M.   +3 more
doaj   +1 more source

The Assessment of Modification of High-Zinc Aluminium Alloy

open access: yesArchives of Foundry Engineering, 2014
The results of examinations of the influence of titanium-boron inoculant on the solidification, the microstructure, and the mechanical properties of AlZn20 alloy are presented. The examinations were carried out for specimens cast both of the non-modified
Zyska A.   +3 more
doaj   +1 more source

Street furniture in urban spaces, taking as an example, the city of Częstochowa

open access: yes, 2020
The article, referring to selected examples, discusses the condition of public spaces in the center of Częstochowa. The author draws attention to locations found along the Avenue of the Blessed Virgin Mary in the center of the city, as well as courtyards,
Nina Sołkiewicz-Kos
semanticscholar   +1 more source

The Influence of the Mould Filling Conditions on the Quality of Castings Made of EN AC-44000 Alloy

open access: yesArchives of Foundry Engineering, 2014
The work deals with the influence of change in the filling conditions of the ceramic moulds with plaster binder on the presence of gaseous porosity and the microstructure of the achieved test castings with graded wall thickness.
Nadolski M.   +3 more
doaj   +1 more source

Analysis of Technical Condition of Local Roads Drainage in the Czestochowa Region

open access: yesQuality Production Improvement - QPI, 2019
Local roads (district and municipal) play an important role in the road network, especially in rural areas. In recent years, these roads have been largely repaired, which was often associated with the construction of new infrastructure.
Z. Respondek
semanticscholar   +1 more source

Preliminary palynological research of Ore Bering Częstochowa Clay Formation (Middle Jurassic) from autcrops in Częstochowa

open access: yes, 2009
Ore Bering Częstochowa Clay Formation (Middle Jurassic) was taken into consideration of spore-pollen analysis. Preliminary research indicates presence of taxa belonging to Lycopodiales, Equisetales, Filicales, Coniferales and Mesozoic pteridosperms ...
Hodbod, M.
core  

Home - About - Disclaimer - Privacy