Paschke, Hanno

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Paschke, Hanno
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36242097900

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    PublicationAccess status: Open Access ,
    Boridische Oberflächen für die Umformung
    (2026)
    Paschke, Hannoorcid-logo
    ;
    Mejauschek, Markus
    ;
    Bräuer, Günter
    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.
    Source Type:InProceedings
    DOI:10.25819/ubsi/10994
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