Press hardening of alternative materials: conventional high- strength steels

The increase in strength of new high strength steels (HHS) and advanced high strength steels (AHHS) has led to forming issues, such as high springback, low formability, increase of forming forces and tool wear. These problems increase thecosts of manufacturing and maintaining stamping tools in the a...

Full description

Saved in:
Bibliographic Details
Published in:International journal of material forming 2018-09, Vol.11 (5), p.663-670
Main Authors: Mendiguren, Joseba, Herrero-Dorca, Nuria, Saenz de Argandoña, Eneko, Galdos, Lander
Format: Article
Language:English
Subjects:
Automobile industry
Automotive engineering
CAE) and Design
Computational Intelligence
Computer-Aided Engineering (CAD
Dual phase steels
Duplex stainless steels
Engineering
Formability
Forming
High strength steels
Machines
Manufacturing
Martensitic stainless steels
Materials Science
Mechanical Engineering
Mechanical properties
Original Research
Phase transitions
Processes
Quality
Springback
Structural steels
Tool wear
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The increase in strength of new high strength steels (HHS) and advanced high strength steels (AHHS) has led to forming issues, such as high springback, low formability, increase of forming forces and tool wear. These problems increase thecosts of manufacturing and maintaining stamping tools in the automotive industry. The aim of this research was to analyse the advantages of applying the press- hardening process toconventional HSS and AHSS steel to increase their formability and therefore reduce the number of forming steps and productioncosts. With this aim in mind, the press-hardening process was used to manufacture an industrialcomponent using four different automotive steel grades: dual phase (DP),complex phase (CP), transformation- induced plasticity (TRIP) and martensitic (MS) grade. Springback measurements werecarried out, together with an analysis of the obtained final mechanical properties and microstructures. The results showed that the formability of all the materials increased. The mechanical properties of theCP800 and TRIP700 materials were maintained or even improved, whereas those of the MS1200 and HCT980X materials were significantly reduced. Weconclude that press hardening is a suitable manufacturing process forCP800 and TRIP700components.
ISSN:1960-6206
1960-6214
DOI:10.1007/s12289-017-1379-y