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Shipbuilding. --- Toughness --- Structural steels --- Toughness --- Structural steels
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Stability. --- Toughness --- Crack propagation --- Bars --- Toughness --- Crack propagation --- Bars
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Silicon nitride is used for challening applications like cutting inserts or forming rolls. The extreme strength and toughness of the material is achieved by an interaction between the microstructure and fracture behaviour on the microlevel. In order to understand these mechanisms, detailed unit cells have been defined and used for the determination of the effective fracture properties. The results have been used for the implementation of an effective continuum damage mechanics model.
silicon nitride --- finite element simulation --- toughness --- structure --- fracture
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Aggressiveness. --- Aggressiveness --- Aggression (Psychology) --- Aggressive behavior --- Aggressiveness (Psychology) --- Psychology --- Defensiveness (Psychology) --- Fighting (Psychology) --- Toughness (Personality trait)
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Aggressiveness. --- Aggression (Psychology) --- Aggressive behavior --- Aggressiveness (Psychology) --- Psychology --- Defensiveness (Psychology) --- Fighting (Psychology) --- Toughness (Personality trait)
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The aim of the present work is to describe the deformation and fracture behavior of single crystal tungsten at the microscopic scale by using the ?nite element method. Therefore, the studies focus mainly on the in?uence of crystal orientation as well as the investigation of crack initiation and crack propagation. With a defined crack propagation model, the simulations of microbending allows for evaluating the details of the fracture process more accurately and supported the experimental studies.
Microcracking --- Finite elements --- Crystal plasticity --- Wolframeinkristall --- KristallplastizitätSingle Crystal Tungsten --- Bruchzähigkeit --- Finite Elemente --- Mikrorißbildung --- Fracture toughness
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Competition --- Industrial management --- Strategic planning --- Success in business --- Toughness (Personality trait)
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Fracture strength. --- Strain gages. --- Crack propagation. --- Toughness. --- Detection. --- Calibrating. --- Ceramics. --- Loads (forces)
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Metal fatigue. --- Crack geometry. --- Stress intensity factors. --- Finite element method. --- Toughness.
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