Strain in shear, and material behaviour in incremental forming

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This paper discusses some consequences of forming by shear, a situation that is sometimes claimed to occur in incremental forming. The determination of the principal strains and principal directions is discussed in detail. Two methods are presented: using a circular grid (although simulated on the computer), and by deriving formulae from the theory; both yield identical results. The strains assuming forming by shear are found to be (much) higher than in situations of forming by stretch. This affects notably more fundamental studies on material behaviour in incremental forming. The effects are illustrated using experimental data obtained with pre-stressed material.
Original languageUndefined
Title of host publicationProceedings 12th International Conference on Sheet Metal 2007, 1-4 April 20087. Palermo, Italy
Editors Micari, (et al.)
Place of PublicationStafa-Zurich- Switserland
PublisherTrans Tech Publications Ltd
ISBN (Print)0-8749-437-5
Publication statusPublished - 1 Apr 2007
Event12th International Conference on Sheet Metal, SheMet 2007 - University of Palermo, Palermo, Italy
Duration: 1 Apr 20074 Apr 2007
Conference number: 12

Publication series

NameKey engineering materials
PublisherTrans Tech Publications
ISSN (Print)1013-9826


Conference12th International Conference on Sheet Metal, SheMet 2007
Abbreviated titleSheMet
OtherApril 1-4, 2007


  • METIS-246138
  • IR-59683

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