2021
DOI: 10.1007/s10010-021-00489-4
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Gezielte Nutzung umformtechnisch induzierter Eigenspannungen in metallischen Bauteilen

Abstract: Der Eigenspannungszustand ist in vielen Fällen eine wesentliche Ursache für unerwartetes Versagen von umformtechnisch hergestellten Bauteilen im Betrieb.Die Überlagerung von Spannungszuständen in Folge der Betriebslasten mit dem Eigenspannungszustand im Bauteil ist mit den bisher verfügbaren Prognosemethoden nicht hinreichend genau abbildbar, so dass typischerweise versucht wird, den Eigenspannungszustand z. B. durch eine Wärmebehandlung zu minimieren.Allerdings haben Eigenspannungen per se auch das Potenzial,… Show more

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“…In particular, the analysis of residual stresses induced within the manufacturing process is the subject of current scientific investigations, see e.g. [1][2][3].…”
Section: Introductionmentioning
confidence: 99%
“…In particular, the analysis of residual stresses induced within the manufacturing process is the subject of current scientific investigations, see e.g. [1][2][3].…”
Section: Introductionmentioning
confidence: 99%
“…It is common to reduce unwanted residual stresses, that is, tensile stresses in regions near the surface, by subsequent treatments of the component, for instance by shot peening or induction hardening. In order to achieve a more time efficient and cost and energy saving production process, current works focus on the targeted induction of residual stresses during the manufacturing process [1,3,4]. Especially, hot bulk forming processes with an integrated heat treatment of the component offer a good possibility to adapt the residual stresses during the component's manufacturing since it enables to exploit interactions of thermal, mechanical and metallurgical kind [5].…”
Section: Introductionmentioning
confidence: 99%