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Investigation of TiAlN HiPIMS coating deposited on the newly developed Ni-based superalloy AD730

  • The development of new alloys for gas turbine engines has been focused on withstanding against increasing service temperatures. AD730™ is a recently developed nickel-based superalloy for turbine disk applications with superior properties at 700°C, which is higher than the common service temperature for IN718. Use of coatings to enhance the properties of materials, such as wear resistance is widely known in various applications. This research presents an experimental study of TiAlN coatings, deposited onto AD730 superalloy using High Power Impulse Magnetron Sputtering (HiPIMS). Phase structure and chemical composition of the TiAlN films were characterized by X-ray diffractometry. Transmission electron microscopy as well as scanning electron microscopy were used to analyze the microstructure of the coating. Mechanical properties, including hardness, Young's modulus, and adhesion strength were measured using nanoindentation und scratch test.

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Author: Aleksei ObrosovORCiD, Muhammad Naveed, Ulrich Krupp, Mikhail Solovev, Sabine WeißORCiDGND
URL:http://www.pse-conferences.net/poster-wednesday.html
URL:http://www.pse-conferences.net/tl_files/abstract-print/PSE2016-PO3023.pdf
Document Type:Image (poster)
Language:English
Year of publication:2016
Tag:AD730 TEM XRD; HiPIMS; Ni-based superalloy; TiAlN coating
Comment:
16th International Conference on Plasma Surface Engineering
Faculty/Chair:Fakultät 3 Maschinenbau, Elektro- und Energiesysteme / FG Metallkunde und Werkstofftechnik
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