Citation Link: https://doi.org/10.25819/ubsi/10994

Boridische Oberflächen für die Umformung

Publication Type
InProceedings
Author(s)
Subjects
Borieren
Boridische Randzonen
PACVD
Borhaltige Schichten
Duplex
DDC
620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
GHBS-Clases
Source
Engel, Bernd (Hrsg.): Datengestützte Umformtechnik: Künstliche Intelligenz zwischen Prozesswissen, Regelung und Produktionsrealität : Tagungsband zum 7. Biegeforum Siegen : 05.-10. März 2026. Siegen: universi - Universitätsverlag Siegen, 2026. - ISBN 978-3-96182-237-9, DOI https://doi.org/10.25819/ubsi/10982 (S. 27-34)
Date Issued
2026
Abstract
This study investigates boride surface modifications for forming tools and their applicability from hot forging to bending processes. Gas boriding produces extremely hard boride layers (> 2,000 HV) on tools and high-temperature materials at temperatures above 750 °C. Industrial trials demonstrate significantly reduced wear, doubled tool life, and low coefficients of friction and adhesion against aluminum, copper, and titanium alloys; however, they require adapted process control and post-treatment. Quinary Ti-Si-B-C-N coatings, deposited via PECVD and frequently used as a duplex system with plasma nitriding, achieve superhardness up to 40 GPa, high oxidation resistance, and excellent anti-adhesion even on complex geometries. For bending tools, the combination of both approaches enables application-specific optimization between maximum wear protection, local load-bearing capacity, and economic constraints.
DOI
URN
URI
Subjects
Borieren
boridische Randzonen
PACVD
borhaltige Schichten
Duplex
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