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Alternativer Ansatz zur Vorhersage mechanischer Kennwerte bei der thermomechanischen Umformsimulation
Mechanical Properties of press-hardened components are significantly dependent on the cooling conditions. In this study the dependence of the mechanical parameters (Rm, Rp0,2, Ag, A 5-h10) on the cooling rate is determined ...
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IndiForm - Eine intuitive Bedienoberfläche für die industrielle Umformsimulation
The paper presents the newly developed intuitive graphical user interface for industrial metal forming simulation, IndiForm. IndiForm is extremely easy to handle and can be used as pre- and post-processor independently of a particular ...
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Experimentelle Ermittlung und Modellierung dynamischer - Fließortkurven an Blechwerkstoffen
Für eine genaue Bestimmung von Fließortkurven, ist die Ermittlung der Fließspannung bei verschiedenen Spannungszuständen notwendig. Neben dem Zugversuch und der Messung von r-Werten finden dabei auch Druckversuche an kleinen ...
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Analysis of Hot Stamping Processes with LS-DYNA
In the recent past hot stamping simulation has established itself more and more within the press hardening community. However the requirements on a simulation software are continuously increasing due to an increasing complexity of the ...
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Increasing Reliability of Metal Forming Processes in Early Design Stages
The identification of an appropriate design for engineering structures and processes is a development task over a long period of time. Finally, the developed design should be primarily reliable. Focusing on reliability purposes just ...
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Zum Stand der virtuellen Werkstoffentwicklung: Vom Halbzeug zum Crash
Due to environmental aspects in automotive industry weight reduction of body parts is one of the main challenges. Increase of safety and comfort requirements accompanied by decrease of weight leads to the necessity of complex ...
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Entwicklung eines empirischen Modells zur Bestimmung von Ergebnisgrößen aus FEM-Rollfalzprozessen
Roller hemming is an operation used in the construction of vehicle body parts and follows on from deep drawing, trimming and folding the flange to produce a metal-formed joint between the outer skin part and the inner part of vehicle ...
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New Developments in eta/DYNAFORM 5.8
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Formability Index: A New Accurate Approach to Evaluate Material Formability
In sheet metal forming simulation, Forming Limit Diagram (FLD) has long been used to evaluate sheet metal formability. In conventional method, FLD is obtained by assuming linear strain path (Fig.1); while in real production ...
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Simulation of Aluminium Sheet Metal Deep Drawing at Elevated Temperatures using LS-DYNA
A disadvantage of aluminium is that it is less formable than steel. One method for overcoming this disadvantage is deep drawing at elevated temperatures. In this way the formability of aluminium sheet metal can be improved ...
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