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Werkstoffkennwerte für die Lebensdauerberechnung von Strukturen aus Stahlfeinblechen für den Automobilbau

Materials data for fatigue life calculation of steel sheet structures for automotive engineering
 
: Sonsino, C.M.; Hatscher, A.; Hintersdorfer, J.; Steinbeck, G.; Kaufmann, H.; Masendorf, R.; Zenner, H.; Bork, C.-P.; Sonne, H.-M.; Engl, B.

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Materialwissenschaft und Werkstofftechnik 35 (2004), Nr.8, S.522-533
ISSN: 0933-5137
Deutsch
Zeitschriftenaufsatz
Fraunhofer LBF ()
WERKSTOFF; LEBENSDAUER; STAHL; FEINBLECH; FAHRZEUGBAU

Abstract
Within a joint project of the steel and automotive industry 17 steel sheet materials for automotive engineering in various delivery and forming conditions at temperatures of -40degreesC, 22degreesC and 100degreesC were investigated. In the course of 37 test series strain controlled fatigue curves to crack initiation and stress-strain-curves under monotonic and cyclic loading were determined. All experimental data, hysteresis loops and determined cyclic properties are available in a database. A correlation between the mechanical properties from tensile tests and the properties from strain controlled cyclic experiments seems to be possible.

: http://publica.fraunhofer.de/dokumente/N-24967.html