Novel Layers for Dies Used in Electromagnetic Sheet Metal Forming Processes
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Date
2008
Journal Title
Journal ISSN
Volume Title
Publisher
Institut für Umformtechnik - Technische Universität Dortmund
Abstract
Due to the high forming velocities during electromagnetic sheet metal forming processes, a high impact force acts between workpiece and die. Here, the die surface sustains high damages shown by high wear and galling of the workpiece on the die surface. To enhance the die lifetime, a novel coating concept based on the PVD (physical vapour deposition) process was developed. In doing so, the hardness and the toughness of the designed layers were varied and adjusted to the demands of AlMg-sheet forming process.
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Keywords
electromagnetic sheet metal forming, physical vapour Deposition (PVD), Tool design