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Fakultät Maschinenbau

Soroush Momeni, 2016

Titel Self-healing NiTi based PVD coatings
Autor/Autorin Momeni, Soroush
Verleger Essen : Vulkan-Verl.
Erscheinungsjahr 2016
Gesamttitel Werkstofftechnologische Schriftenreihe ; Bd. 12
Hochschulschrift Zugl.: Dortmund, Techn. Univ., Diss., 2016
ISBN 978-3-8027-8819-2
Sprache Englisch (eng)
Schlagwörter Nickellegierung ; Titanlegierung ; Memory-Legierung ; Magnetronsputtern ; Dünne Schicht ; Verschleißfestigkeit ; Kavitationserosion ; Mechanische Eigenschaft ; Mikrostruktur
Bezugsquelle 31,50 € beim Vulkan-Verlag


Excellent damping capacity and superelasticity of the bulk NiTi shape memory alloy (SMA) makes it a suitable material of choice for tools in machining process as well as cavitation resistant and tribological systems. Although thin film of NiTi has a same damping capacity as NiTi bulk alloys, it has a poor mechanical properties and undesirable tribological performance. This doctoral study aims at eliminating these application limitations for NiTi thin films. In order to achieve this goal, NiTi thin films were magnetron sputtered as an interlayer between reactively sputtered hard TiCN coatings and hot work tool steel substrates. It was hypothesized that the findings of this study could specify the coating properties which are required to fabricate cavitation as well as sliding wear resistant physical vapor deposited (PVD) coatings based on NiTi thin films.

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