Damage in metal forming |
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| Affiliation: | 1. Institute of Forming Technology and Lightweight Components (IUL), TU Dortmund University, Dortmund, Germany;2. MINES ParisTech, PSL Research University, CEMEF Centre de mise en forme des matériaux, Sophia Antipolis, France;3. Department of Industrial Engineering, University of Padova, Padova, Italy;4. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, USA;1. Faculty of Engineering Technology, University of Twente, the Netherlands;2. Ecole Centrale de Nantes, LS2N UMR CNRS 6004, France;3. Department of Mechanical Engineering, Politecnico di Milano, Italy;4. Université de Bourgogne Franche-Comté, Université de Technologie de Belfort-Montbéliard, ICB UMR CNRS 6303, France;1. Leibniz-Institute for Materials Engineering (IWT), Dept. Manufacturing Technologies, Badgasteiner Str. 3, 28359 Bremen, Germany;2. University of Bremen, MAPEX Center for Materials and Processes, Faculty Production Engineering, Dept. Manufacturing Processes, Bremen, Germany;3. University of Kaiserslautern, Institute for Manufacturing Technology and Production Systems (FBK), Kaiserslautern, Germany;4. Cool-Grind Technologies, Ashford, CT, USA;1. Institute of Forming Technology and Lightweight Components (IUL), TU Dortmund University, 44227 Dortmund, Germany;2. Institute of Materials Science and Engineering, Chemnitz University of Technology, 09125 Chemnitz, Germany;1. Institute of Forming Technology and Lightweight Components, TU Dortmund, Baroper Str. 303, 44227 Dortmund, Germany;2. Institute of Metal Forming, RWTH Aachen, Intzestr. 10, 52072 Aachen, Germany;3. Institute of Mechanics, TU Dortmund, Leonhard-Euler-Str. 5, 44227 Dortmund, Germany;4. Bremen Institute of Mechanical Engineering, University of Bremen, Am Biologischen Garten 2/IW3/FG15, 28359 Bremen, Germany |
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| Abstract: | Physical mechanisms of ductile damage in metal forming, experimental characterization methods for damage, and models predicting the damage level in formed components are reviewed. Applications of damage analysis in metal forming processes reveal that damage in metal formed parts is not failure, but a product property that accumulates between processes. Various metal forming process designs demonstrate that damage in formed products can be reduced and their performance can be increased. Static and fatigue strength, impact toughness, stiffness, and formability are typical examples of performance indicators that can be improved by damage-based process design. Potential scientific and technological challenges are addressed to realize damage-controlled metal forming processes. |
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