Advances in Research on Single-Crystal Superalloys
A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Crystalline Metals and Alloys".
Deadline for manuscript submissions: 10 November 2026 | Viewed by 240
Editors
Interests: superalloys; single crystals; X-ray topography; directional solidification
Special Issues, Collections and Topics in MDPI journals
Interests: directional solidification; single-crystals; superalloys; turbine blades
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Superalloys are high-performance metallic materials designed to operate at high temperatures, often exceeding 70% of their melting point. They are primarily based on nickel, cobalt, or iron and are characterized by exceptional mechanical strength, resistance to thermal creep deformation, and high corrosion and oxidation resistance. Because of these characteristics, superalloys are essential components in demanding environments, including aerospace jet engines, marine turbines, and nuclear reactors. Their unique properties are derived from a complex microstructure created by advanced manufacturing technology. Traditionally, superalloy components are produced by investment casting, particularly for single-crystalline (SX) products. By eliminating grain boundaries, SX technology significantly enhances creep resistance, making it a standard technology for high-pressure turbine blades. However, the field is currently being transformed by additive manufacturing (AM), such as laser powder bed fusion (L-PBF) and electron beam melting (EBM). These novel techniques enable the production of components with complex geometries and internal cooling channels that are very difficult to achieve via traditional casting, thanks to precise thermal management that controls crystal orientation and precipitate distribution. Despite these advantages, manufacturing superalloys remains challenging due to their susceptibility to hot cracking and the need for rigorous post-processing heat treatments to stabilize the γ'-phase. Current research focuses on optimizing superalloy composition and manufacturing parameters and techniques.
Considering the different directions of development of superalloys and the requirements for single-crystalline components made of such alloys, you are welcome to present the results of your research on this topic in the Special Issue of Crystals entitled "Advances in Research on Single-Crystal Superalloys".
Dr. Jacek Krawczyk
Dr. Dariusz Szeliga
Guest Editors
Manuscript Submission Information
Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.
Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Crystals is an international peer-reviewed open access monthly journal published by MDPI.
Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.
Keywords
- superalloys
- single crystals
- directional crystallization
- superalloy manufacturing
- high-temperature alloys
- dendritic structure
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