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  • Cold forming of high strength materials is accompanied by an undesirable spring-back effect and therefore the automotive industry prefers to produce components from high strength steels by hot stamping. Hot deformation and cooling in a die are applied to obtain shaped components with martensitic microstructure and high yield strength and ultimate tensile strength. This article presents new applications of this forming technology by incorporating another innovative heat treatment by the Q-P process, which improves both strength and ductility of obtained structures at the same time. Ultimate strengths over 2000 MPa with ductility above 10% can be achieved by this processing. To test microstructure development, thin sheet was hot formed and a corresponding FEM simulation was created. This processing was applied to low alloyed AHS steel with 0.42% of carbon and with an alloying strategy based on Mn, Si and Cr. Martensitic microstructure with retained austenite was obtained by this processing with a strength of around 2000 MPa and ductility of 10%.
  • Cold forming of high strength materials is accompanied by an undesirable spring-back effect and therefore the automotive industry prefers to produce components from high strength steels by hot stamping. Hot deformation and cooling in a die are applied to obtain shaped components with martensitic microstructure and high yield strength and ultimate tensile strength. This article presents new applications of this forming technology by incorporating another innovative heat treatment by the Q-P process, which improves both strength and ductility of obtained structures at the same time. Ultimate strengths over 2000 MPa with ductility above 10% can be achieved by this processing. To test microstructure development, thin sheet was hot formed and a corresponding FEM simulation was created. This processing was applied to low alloyed AHS steel with 0.42% of carbon and with an alloying strategy based on Mn, Si and Cr. Martensitic microstructure with retained austenite was obtained by this processing with a strength of around 2000 MPa and ductility of 10%. (en)
Title
  • Development of New unconventional process of hot stamping
  • Development of New unconventional process of hot stamping (en)
skos:prefLabel
  • Development of New unconventional process of hot stamping
  • Development of New unconventional process of hot stamping (en)
skos:notation
  • RIV/49777513:23210/11:43896917!RIV14-MSM-23210___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1M06032), P(GA106/09/1968), S
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 194079
http://linked.open...ai/riv/idVysledku
  • RIV/49777513:23210/11:43896917
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Q-P process; AHSS; hot stamping (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [D97BA007C31A]
http://linked.open...v/mistoKonaniAkce
  • Sokolov
http://linked.open...i/riv/mistoVydani
  • Chemnitz
http://linked.open...i/riv/nazevZdroje
  • New trends in material technology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Jirková, Hana
  • Kučerová, Ludmila
  • Mašek, Bohuslav
  • Zemko, Michal
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Verlag der Gesellschaft für Unternehmensrechnung und Controlling m.b.H.
https://schema.org/isbn
  • 978-3-86367-008-5
http://localhost/t...ganizacniJednotka
  • 23210
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