Numerical simulation and experimental validation of the cladding material distribution of hybrid semi-finished products produced by deposition welding and cross-wedge rolling

verfasst von

Jens Kruse, Maximilian Mildebrath, Laura Budde, Timm Coors, Mohamad Yusuf Faqiri, Alexander Barroi, Malte Stonis, Thomas Hassel, Florian Pape, Marius Lammers, Jörg Hermsdorf, Stefan Kaierle, Ludger Overmeyer, Gerhard Poll

Abstract

The service life of rolling contacts is dependent on many factors. The choice of materials in particular has a major influence on when, for example, a ball bearing may fail. Within an exemplary process chain for the production of hybrid high-performance components through tailored forming, hybrid solid components made of at least two different steel alloys are investigated. The aim is to create parts that have improved properties compared to monolithic parts of the same geometry. In order to achieve this, several materials are joined prior to a forming operation. In this work, hybrid shafts created by either plasma (PTA) or laser metal deposition (LMD-W) welding are formed via cross-wedge rolling (CWR) to investigate the resulting thickness of the material deposited in the area of the bearing seat. Additionally, finite element analysis (FEA) simulations of the CWR process are compared with experimental CWR results to validate the coating thickness estimation done via simulation. This allows for more accurate predictions of the cladding material geometry after CWR, and the desired welding seam geometry can be selected by calculating the cladding thickness via CWR simulation.

Organisationseinheit(en)

Institut für Werkstoffkunde
Institut für Maschinenkonstruktion und Tribologie

Externe Organisation(en)

Institut für integrierte Produktion Hannover (IPH) gGmbH
Laser Zentrum Hannover e.V. (LZH)

Typ

Artikel

Journal

Metals

Band

10

Seiten

1-23

Anzahl der Seiten

23

ISSN

2075-4701

Publikationsdatum

06.10.2020

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Allgemeine Materialwissenschaften

Elektronische Version(en)

https://doi.org/10.3390/met10101336 (Zugang: Offen)