Superplastic forming simulation of RF detector foils

Q.H.C. Snippe, V.T. Meinders

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Abstract

Complex-shaped sheet products, such as R(adio) F(requency) shieldings sheets, used in a subatomic particle detector, can be manufactured by superplastic forming. To predict whether a formed sheet is resistant against gas leakage, FE simulations are used, involving a user-defined material model. This model incorporates an initial flow stress, including strain rate hardening. It also involves strain hardening and softening, the latter because of void formation and growth inside the material. Also, a pressure-dependency is built in; an applied hydrostatic pressure during the forming process postpones void formation. The material model is constructed in pursuance of the results of uniaxial and biaxial experiments
Original languageEnglish
Pages (from-to)283-286
Number of pages4
JournalInternational journal of material forming
Volume2
Issue number1, Suppl
DOIs
Publication statusPublished - 27 Apr 2009
EventESAFORM 2009: 12th International ESAFORM Conference on Material Forming - University of Twente, Enschede, Netherlands
Duration: 27 Apr 200929 Apr 2009
Conference number: 12

Keywords

  • METIS-260107
  • IR-68551
  • Superplasticity
  • Material modelling
  • Forming simulations

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