Zobrazeno 1 - 10
of 418
pro vyhledávání: '"DYJA, H."'
Publikováno v:
In Archives of Civil and Mechanical Engineering March 2019 19(1):268-273
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 2, Pp 515-521 (2017)
The continuing high level of demand for lightweight structural materials is the reason for the ever-growing interest in aluminum alloys. The main areas of application for aluminum alloys products are the aerospace and automotive industries. Productio
Externí odkaz:
https://doaj.org/article/290d049e25154a1d80afed2d677ae597
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 4, Pp 1853-1860 (2016)
This paper presents the results of the study aimed at determination of plasticity of selected grades of hard-deformed aluminium alloys of 5xxx series in terms of parameters characteristic for the process of extrusion. The examinations were carried ou
Externí odkaz:
https://doaj.org/article/f5980ef7fa38437c8c0775aa19c0ae30
Publikováno v:
In Archives of Civil and Mechanical Engineering February 2015 15(2):317-323
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 4, Pp 3001-3006 (2015)
Currently magnesium alloy bars are manufactured mainly in the extrusion process. This method has some drawbacks, which include: low process capacity, considerable energy demand, small length of finished products. Therefore it is purposeful to develop
Externí odkaz:
https://doaj.org/article/012b6eff39854f6e86e307ab5ad89b48
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 4, Pp 2791-2796 (2015)
The paper presents the results of cold upsetting testing of 16.5 mm-diameter 20MnB4 steel wire rod. The main purpose of the study was to evaluate the ability of wire rod produced in industrial conditions for further cold metal forming. Due to the fac
Externí odkaz:
https://doaj.org/article/f2cdd8e015df4af6b834ad0d75391132
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 4, Pp 3007-3010 (2015)
This study presents the results of physical modelling of the processes of metal forming of bars made of magnesium alloy (AZ61) obtained using two research methodologies. The study employed the Gleeble 3800 testing system for simulation of metallurgic
Externí odkaz:
https://doaj.org/article/c1127a8ee1544cf48faef31cf108789c
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 1, Pp 149-152 (2015)
The paper present the results of numerical simulations of the alternate indirect extrusion and multiaxial compression process, performed using commercial software designed for the thermomechanical analysis of plastic working processes, Forge 2009. Th
Externí odkaz:
https://doaj.org/article/eabee810568b46c28702bc2edeb14b8d
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 1, Pp 461-468 (2015)
The article discusses the influence of rolling in the newly designed slitting-bending grooves on closing internal material discontinuities in continuous ingots. The defects located in the axial area of a strand, i.e. axial porosity and contraction ca
Externí odkaz:
https://doaj.org/article/2293c00cab3c4813b86309bba7aee514
Publikováno v:
Metalurgija. 2020, Vol. 59 Issue 1, p39-42. 4p.