{"id":{"repo_id":"aachen","oai_identifier":"oai:publications.rwth-aachen.de:60488"},"canonical_url":"https://search.dev.ndltd.org/etd/aachen/oai:publications.rwth-aachen.de:60488","repository":{"repo_id":"aachen","name":"RWTH Aachen University","base_url":"https://publications.rwth-aachen.de/oai2d"},"display":{"title":"Bestimmung der Materialparameter gefüllter Elastomere in Abhängigkeit von Zeit, Temperatur und Beanspruchungszustand","abstract":"Within the finite element analysis (FEA) so-called material models are used for the simulation of the mechanical behavior of rubber materials. These material models have to be calibrated with experimentally determined data before a FEA-simulation can be started. A new concept is developed, which reduces the experimental expenditure using the application of time/temperature shifts (TTS) and amplitude/temperature shifts (ATS). In order to describe the time/temperature and amplitude/temperature dependent material behavior up to high deformations, an emphasis of the investigations is on the description of the temperature dependency of strain crystallization processes. Additionally a concept is developed, which also permits a consideration of strain softening effects with material models used in today's FEA programs. An emphasis of these investigations is the question, which amounts of stress correspond for the different states of deformation.","abstract_html":"Within the finite element analysis (FEA) so-called material models are used for the simulation of the mechanical behavior of rubber materials. These material models have to be calibrated with experimentally determined data before a FEA-simulation can be started. A new concept is developed, which reduces the experimental expenditure using the application of time/temperature shifts (TTS) and amplitude/temperature shifts (ATS). In order to describe the time/temperature and amplitude/temperature dependent material behavior up to high deformations, an emphasis of the investigations is on the description of the temperature dependency of strain crystallization processes. Additionally a concept is developed, which also permits a consideration of strain softening effects with material models used in today's FEA programs. 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These material models have to be calibrated with experimentally determined data before a FEA-simulation can be started. A new concept is developed, which reduces the experimental expenditure using the application of time/temperature shifts (TTS) and amplitude/temperature shifts (ATS). In order to describe the time/temperature and amplitude/temperature dependent material behavior up to high deformations, an emphasis of the investigations is on the description of the temperature dependency of strain crystallization processes. Additionally a concept is developed, which also permits a consideration of strain softening effects with material models used in today's FEA programs. An emphasis of these investigations is the question, which amounts of stress correspond for the different states of deformation."]},{"key":"dc:source","label":"Dc Source","values":["Aachen : Publikationsserver der RWTH Aachen University III, 192 S. : Ill., graph. Darst. (2002). = Aachen, Techn. 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