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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Computational prediction of material damage in forming
 Kunc, Vítězslav ; Hůlka, Jiří (referee) ; Petruška, Jindřich (advisor)
The purpose of this thesis is to deal with the initiation of chevron cracks in forward extrusion. Using numerical simulation, the ability of selected fracture models which prognosticates the initiation of chevron cracks is observed. The influence of process parameters is studied (friction, reductions in cross section and angles of reduction) on the initiation and diffusion of damage. Solutions was executed by Abaqus for material 12 050.
Detailed record
Computational prediction of material damage in forming
 Kunc, Vítězslav ; Hůlka, Jiří (referee) ; Petruška, Jindřich (advisor)
The purpose of this thesis is to deal with the initiation of chevron cracks in forward extrusion. Using numerical simulation, the ability of selected fracture models which prognosticates the initiation of chevron cracks is observed. The influence of process parameters is studied (friction, reductions in cross section and angles of reduction) on the initiation and diffusion of damage. Solutions was executed by Abaqus for material 12 050.
Detailed record

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