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Understanding temperature and contact pressure in hot stamped channels = : Verständnis zu Temperatur und Anpressdruck beim Presshärten von Komponenten mit Hut-Querschnitt

This paper investigates the temperature and contact pressure conditions in hot stamped channels of boron steel. Hot stamping has been used for many years to produce high strength structural automotive components. The high tensile strengths achievable by hot stamping is beneficial where the intrusion... Full description

Published: Auerbach, Verlag Wissenschaftliche Scripten, 2015
Kongresse: International Conference on Hot Sheet Metal Forming of High-Performance Steel 5 2015.05.31-2015.06.03 Toronto, ON, CA
CHS2 5 2015.05.31-2015.06.03 Toronto, ON, CA
International Conference on Hot Sheet Metal Forming of High-Performance Steel 5th 2015.05.31-2015.06.03 Toronto, ON, CA
CHS2 2015 2015.05.31-2015.06.03 Toronto, ON, CA
Contained in: CHS2, International Conference on Hot Sheet Metal Forming of High-Performance Steel, 5 (2015), p. 793-800
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Additional Keywords: ANPRESSDRUCK
ANWENDUNG-IM-FAHRZEUGBAU
FINITE-ELEMENTE-METHODE
GLEITGESCHWINDIGKEIT
KONVEKTION
LATENTE-WAERME
LUFTKUEHLUNG
MANGAN-BOR-STAHL
PHASENUMWANDLUNG
PRESSHAERTEN
SPANNUNGS-DEHNUNGS-DIAGRAMM
STRAHLUNG
TEMPERATUREINFLUSS
TEMPERATURVERTEILUNG
THERMOMECHANISCHE-EIGENSCHAFT
VERSCHLEISSVERHALTEN
WAERMELEITUNG
WERKZEUGSTANDZEIT
WERKZEUGVERSCHLEISS
ZUGFESTIGKEIT
Notes: Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG
Copyright: (C) Alle Rechte beim Herausgeber
Physical Description: 8 Seiten, 6 Bilder, 1 Tabelle, 13 Quellen
PPN (Catalogue-ID): WTI001212397
Note: WTI TEMA DB
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Internes Format
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245 0 0 |a Understanding temperature and contact pressure in hot stamped channels =  |b Verständnis zu Temperatur und Anpressdruck beim Presshärten von Komponenten mit Hut-Querschnitt 
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500 |a Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG 
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520 |a This paper investigates the temperature and contact pressure conditions in hot stamped channels of boron steel. Hot stamping has been used for many years to produce high strength structural automotive components. The high tensile strengths achievable by hot stamping is beneficial where the intrusion during a vehicle crash is not desirable - e.g. for the vehicle occupant compartment. However, the high blank temperatures and high temperature cycling causes a large amount of wear in the tooling. These conditions have led to high tool failures and die maintenance costs. Thus, understanding the main causes of wear behaviour in the hot stamping process is of high interest to hot stampers. To this aim, a generic 2D thermo-mechanical finite element model of a hat-shaped crash formed hot stamped component was developed, and a modified phase transformation model based on Scheil's additive principle has been applied. The model was created in the finite element software ABAQUS Standard V6.13, including convection and radiation when the component was transferred from furnace to the tool as well as the air-cooling process. A USDFLD subroutine was used to model the phase transformation and a HETVAL subroutine was used to model the latent heat. Contact heat conductance was a function of the pressure. The authors have used techniques from their previous work on tool wear estimation for cold stamping to estimate the contact pressure on the tooling, and the amount of sliding that occurs over the tooling, and the corresponding tooling temperature. This data provides a unique data set to understand the wear on the tooling, and will eventually lead to a model for estimating tooling life. 
653 4 |a PRESSHAERTEN 
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653 4 |a ANPRESSDRUCK 
653 4 |a TEMPERATUREINFLUSS 
653 4 |a TEMPERATURVERTEILUNG 
653 4 |a MANGAN-BOR-STAHL 
653 4 |a ANWENDUNG-IM-FAHRZEUGBAU 
653 4 |a ZUGFESTIGKEIT 
653 4 |a WERKZEUGVERSCHLEISS 
653 4 |a VERSCHLEISSVERHALTEN 
653 4 |a KONVEKTION 
653 4 |a STRAHLUNG 
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653 4 |a PHASENUMWANDLUNG 
653 4 |a LATENTE-WAERME 
653 4 |a WAERMELEITUNG 
653 4 |a WERKZEUGSTANDZEIT 
653 4 |a THERMOMECHANISCHE-EIGENSCHAFT 
653 4 |a SPANNUNGS-DEHNUNGS-DIAGRAMM 
653 4 |a GLEITGESCHWINDIGKEIT 
711 2 |a International Conference on Hot Sheet Metal Forming of High-Performance Steel  |n 5  |d 2015.05.31-2015.06.03  |c Toronto, ON, CA 
711 2 |a CHS2  |n 5  |d 2015.05.31-2015.06.03  |c Toronto, ON, CA 
711 2 |a International Conference on Hot Sheet Metal Forming of High-Performance Steel  |n 5th  |d 2015.05.31-2015.06.03  |c Toronto, ON, CA 
711 2 |a CHS2  |n 2015  |d 2015.05.31-2015.06.03  |c Toronto, ON, CA 
773 0 8 |i In  |t CHS2, International Conference on Hot Sheet Metal Forming of High-Performance Steel, 5  |g (2015), p. 793-800  |q <793-800  |z 978-3-95735-023-7  |z 978-3-95735-023-7 
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950 |a Presshärten  |a Finite-Elemente-Methode  |a Anpressdruck  |a Temperatureinfluss  |a Temperaturverteilung  |a Mangan-Bor-Stahl  |a Anwendung im Fahrzeugbau  |a Zugfestigkeit  |a Werkzeugverschleiß  |a Verschleißverhalten  |a Konvektion  |a Strahlung  |a Luftkühlung  |a Phasenumwandlung  |a latente Wärme  |a Wärmeleitung  |a Werkzeugstandzeit  |a thermomechanische Eigenschaft  |a Spannungs-Dehnungs-Diagramm  |a Gleitgeschwindigkeit  |2 DE-601 
951 |a AR 
952 |j 2015  |h 793-800