On forming limits of thin metal sheets using length scales

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Abstract

Experimental work has reported dependency of forming limits on sheet thickness. The present paper reveals possible explanations based on finite element simulations incorporating an internal length scale. Using an incorporated length scale, it is possible to take into account thickness effects in a membrane analysis and the microstructure in a full 3-D analysis. Both the point for inset of localization (forming limits) and the post-necking behaviour were found to depend on the incorporated length scales.
Original languageEnglish
Title of host publicationPlasticity, Damage and Fracture at Macro, Micro and Nano Scales : Proceedings of Plasticity '02: the ninth international symposium on plasticity and its current applications
EditorsA.S Khan, O. Lopez-Pamiers
Number of pages3
Place of PublicationMaryland, USA
PublisherNEAT Press
Publication date2002
Pages424-426
ISBN (Print)9780965946339
Publication statusPublished - 2002
Externally publishedYes
Event9. International symposium on plasticity and its current applications (Plasticity '02) - Aruba (AW), 3-8 Jan
Duration: 1 Jan 2002 → …

Conference

Conference9. International symposium on plasticity and its current applications (Plasticity '02)
CityAruba (AW), 3-8 Jan
Period01/01/2002 → …

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