Národní úložiště šedé literatury Nalezeno 3 záznamů.  Hledání trvalo 0.01 vteřin. 
Applications forming limit diagrams
Smrž, Peter ; Varjan, Matúš (oponent) ; Podaný, Kamil (vedoucí práce)
Thesis contains an overview of four types of forming limit diagrams which includes Keeler-Goodwin diagrams, diagrams of ultimate degree of deformation, diagrams of limit plasticity and deformation-mechanism maps. There are detaily described experimental and theoretical methods of obtaining and construction of limit diagrams. Part of this thesis contains an practical application of these types and their suitability for various forming technology.
Possibilites of using the Erichsen test for determination of forming limit diagram and its utilization for hydroforming
Řiháček, J. ; Mrňa, Libor ; Peterková, E. ; Dvořák, M.
Forming limit diagrams (FLD) are used to determine process limitations in sheet metal forming, i.e. as a level of formability assisting in the estimation of stamping characteristics. This paper deals with the experimental determination of a forming limit curve (FLC) using the Erichsen test. In this case, FLC of an austenitic stainless\nsteel X5CrNi18-10 is obtained by performing the Erichsen test with different shapes of specimens. Furthermore, utilization of FLD for evaluation of a hydroforming process is shown in the second part of the paper.
Applications forming limit diagrams
Smrž, Peter ; Varjan, Matúš (oponent) ; Podaný, Kamil (vedoucí práce)
Thesis contains an overview of four types of forming limit diagrams which includes Keeler-Goodwin diagrams, diagrams of ultimate degree of deformation, diagrams of limit plasticity and deformation-mechanism maps. There are detaily described experimental and theoretical methods of obtaining and construction of limit diagrams. Part of this thesis contains an practical application of these types and their suitability for various forming technology.

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