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Title
Press hardening of alternative materials: conventional high- strength steels
Author
Mendiguren, Joseba ccMondragon Unibertsitatea
Herrero Dorca, NuriaMondragon Unibertsitatea
GALDOS, Lander ccMondragon Unibertsitatea
Saénz de Argandoña Fernández de Gorostiza, EnekoMondragon Unibertsitatea
Research Group
Procesos avanzados de conformación de materiales
Published Date
2017
Publisher
Springer Nature
Keywords
press hardening
hot stamping
formability
high-strength steel
Abstract
he increase in strength of new high strength steels(HHS) and advanced high strength steels (AHHS) has led toforming issues, such as high springback, low formability, increase of forming forces and too ... [+]
he increase in strength of new high strength steels(HHS) and advanced high strength steels (AHHS) has led toforming issues, such as high springback, low formability, increase of forming forces and tool wear. These problems increase thecosts of manufacturing and maintainingstamping tools in the automotive industry. The aim of this research was to analyse the advantages of applyingthe press-hardening process toconventional HSS and AHSS steel to increase their formability and therefore reduce thenumber of forming steps and productioncosts. With this aimin mind, the press-hardening process was used to manufacturean industrialcomponent using four different automotive steelgrades: dual phase (DP),complex phase (CP), transformation-induced plasticity (TRIP) and martensitic (MS) grade.Springback measurements werecarried out, together with ananalysis of the obtained final mechanical properties and microstructures. The results showed that the formability of all thematerials increased. The mechanical properties of theCP800and TRIP700 materials were maintained or even improved, whereas those of the MS1200 and HCT980Xmaterials were significantly reduced. Weconclude thatpress hardening is a suitable manufacturing processforCP800 and TRIP700components. [-]
URI
http://hdl.handle.net/20.500.11984/1161
Publisher’s version
https://doi.org/10.1007/s12289-017-1379-y
ISSN
1960-6206
Published at
International Journal of Material Forming  Vol. 11. Nº. 5. Pp 663–670. September, 2017
Document type
Article
Version
Postprint – Accepted Manuscript
Rights
© Springer-Verlag France SAS 2017
Access
Open Access
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  • Articles - Engineering [309]

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