Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/1726
Title: Boriding of Laser-Clad Inconel 718 Coatings for Enhanced Wear Resistance
Authors: Lindner, Thomas
Günen, Ali
Toeberling, Gerd
Vogt, Sabrina
Karakaş, Mustafa Serdar
Loebel, Martin
Lampke, Thomas
Keywords: Inconel 718
In718
Laser Cladding
Laser-Clad
Boriding
Boronizing
Hardening
Wear
Fretting Wear
Behavior
Alloy
Microstructure
Evolution
Hardness
Damage
Layer
Issue Date: 2021
Publisher: Mdpi
Abstract: Nickel-based superalloys are particularly suitable for applications under corrosive conditions. Economic advantages can be achieved by limiting the use of materials to the surface region. Furthermore, the tribological property profile can be significantly improved by surface hardening. In the present study, the possibility of a process combination comprising a coating and a surface hardening technology was investigated. For this purpose, Inconel 718 coatings were applied to austenitic stainless steel by laser cladding. Subsequently, a thermochemical surface hardening by boriding was carried out. Scanning electron microscopic (SEM) examinations were performed to evaluate the microstructure. The phase composition was determined by means of X-ray diffraction (XRD) for the different states of the coating system. The influence of thermochemical hardening was investigated for different wear conditions. The increase in microhardness and wear resistance clearly demonstrates the utilization potential of the presented process combination.
URI: https://doi.org/10.3390/app112411935
https://hdl.handle.net/20.500.13091/1726
ISSN: 2076-3417
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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