Zobrazeno 1 - 10
of 236
pro vyhledávání: '"Kuc D"'
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 4, Pp 2365-2370 (2017)
A growing interest in wrought magnesium alloys has been noticed recently, mainly due to development of various SPD (severe plastic deformation) methods that enable significant refinement of the microstructure and – as a result – improvement of va
Externí odkaz:
https://doaj.org/article/402ff40f6c0b4a71a24c9fd3f6454c9a
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 4, Pp 2433-2440 (2017)
The paper presents the results of the influence of commercial TiBor and AlSr10 master alloys on the refine the grains size, hardness and crystallisation process based on the thermal-derivation analysis of light cast magnesium-lithium-aluminium alloys
Externí odkaz:
https://doaj.org/article/cd09528e98e64baf90bf196f41b3942e
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 3, Pp 1559-1566 (2017)
The work presents an analysis of selected magnesium alloys as structural materials to be used in production of aircraft parts as well as their technological parameters in some manufacturing processes. Upsetting test, backward extrusion and Kobo extru
Externí odkaz:
https://doaj.org/article/9197b85e959740cbb9c321a00a8b8ab8
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 3, Pp 1427-1432 (2017)
The paper analyses the characteristics of plasticity and microstructure of magnesium alloys with lithium meant for hot plastic working with different lithium content. The alloys were prepared in conditions of vacuum smelting. Achieved ingots were sub
Externí odkaz:
https://doaj.org/article/9c96456ce58645a79ac9ab1996d92230
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 2, Pp 551-556 (2017)
The article presents the results of tests of influence of the thermo-mechanical treatment parameters on the mechanical properties and microstructure of steel 23MnB4 for cold-upsetting. Measurements of the ferrite grains and pearlite colonies were con
Externí odkaz:
https://doaj.org/article/3db5c45d3ce24e58bc4426383562c38a
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 2, Pp 545-550 (2017)
The article presents the results of plastic shaping tests of AZ61 and WE43 alloys. There were both classic extrusion tests as well as extrusion tests of KOBO method. An assessment was made of the influence of extrusion process parameters on the mecha
Externí odkaz:
https://doaj.org/article/ce302b6acae245f9adf06af495595bc5
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 1, Pp 303-308 (2017)
The article presents the results of tests of influence of the thermo-mechanical treatment parameters on the mechanical properties and microstructure of steel C70D for wire rod. The methodology of quantitative description of pearlite morphology in ste
Externí odkaz:
https://doaj.org/article/57faae3ccd4d4444997455c78c75db8c
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 4, Pp 1969-1974 (2016)
The paper deals with the influence of induction surface hardening on the microstructure and mechanical properties of cylindrical elements made of steel 38Mn6. The first stage was based on computer simulation of the induction hardening process. The se
Externí odkaz:
https://doaj.org/article/e58316d63c194b839143b88b06a8bd53
Publikováno v:
Archives of Metallurgy and Materials, Vol 59, Iss 3, Pp 987-991 (2014)
This article is part of the research on the microstructural phenomena that take place during hot deformation of intermetallic phase-based alloy. The research aims at design an effective thermo - mechanical processing technology for the investigated i
Externí odkaz:
https://doaj.org/article/62be5daf9a91409e9310b524d14cdb87
Publikováno v:
High Temperature Materials and Processes, Vol 32, Iss 2, Pp 149-155 (2013)
Influence of the methodology of mathematical processing of experimental data on the calculated value of the activation energy in hot forming was evaluated for three very different alloys: iron aluminide, low-alloyed steel and magnesium alloy. Applica
Externí odkaz:
https://doaj.org/article/004a38fc087041ba9cb3cabb1f704698