Manufacturing Technology 2022, 22(5):550-557 | DOI: 10.21062/mft.2022.070
Superalloys – Characterization, Usage and Recycling
- Faculty of Materials, Metallurgy and Recycling, Technical University of Košice. Letná 9, 420 00 Košice. Slovak Republic
Superalloys are a group of alloys developed for use during long-term heat exposure above 650 °C. Properties and applications of superalloys are described in the present work. The work includes statis-tics about superalloys demand, market value and the current price. Division of superalloys according to basic element is mentioned. Nickel-based superalloys are further divided into two groups accord-ing to their use. Afterwards, the paper is focused mainly on nickel-based superalloys. Examples of nickel-based superalloys are listed in the work. Recycling possibilities of nickel-based superalloys are stated and analysed. General scheme of processing nickel-based superalloy scrap with regard to the content of rhenium is proposed and shortly discussed. The best-known companies dealing with sup-eralloy scrap recycling are mentioned further.
Keywords: Superalloys, Nickel, Recycling
Grants and funding:
This work was supported by a grant from the Slovak National Grant Agency under the VEGA Project 1/0641/20
Received: September 27, 2022; Revised: October 24, 2022; Accepted: December 2, 2022; Prepublished online: December 6, 2022; Published: December 11, 2022 Show citation
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