Ralf Riedel

Ralf Riedel (born 11 February 1956) is a German professor of Materials Science at the Technical University of Darmstadt (TU Darmstadt) in Germany.[1] He is known for his contributions to ceramics, polymer-derived ceramics (PDCs), and high-performance materials, which has advanced the understanding and application of ceramic materials in fields such as aerospace, automotive, and energy technologies.[2]

Early life and education

Riedel studied chemistry at the University of Stuttgart with his Diploma Thesis concerning Versuche zur Reduktion von Aldehyden mit weißem Phosphor (Experiments on the reduction of aldehydes with white phosphorus).[1][3] From 1984, he pursued a Ph.D. in the field of Inorganic Chemistry at the University of Stuttgart. In 1986, he graduated with his dissertation Weißer Phosphor als Edukt für die Synthese phosphororganischer Verbindungen (White phosphorus as a starting material for the synthesis of organophosphorus compounds).[1][3]

After education, Riedel undertook postdoctoral research at Max Planck- Institute for Metals Research, Institute for Materials Research, PML, Stuttgart in materials processing and characterization techniques.[1][3] Between 1986 and 1992, he worked on his habilitation concerning Nicht-oxidische Keramiken aus anorganischen Vorstufen (Non-oxide ceramics from inorganic precursors) under the supervision of Gerd Becker and Fritz Aldinger.[1][3][4]

Career

Riedel established and led the Dispersive Solids Group at the Institute of Materials Science, Technical University of Darmstadt (TU Darmstadt) as professor from 1993 until his retirement in 2022. His research in the Dispersive Solids Group focused on the development of polymer-derived ceramics, high-temperature materials, and functional ceramics for structural and electronic applications.[1]

Ralf Riedel's career spans several decades with contributions to materials science, particularly in the development and application of polymer-derived ceramics (PDCs) as well as high pressure materials synthesis. His work bridges theoretical research and practical applications.[5]

Research contributions

Riedel's early research focused on developing ceramic materials through synthesis routes, Highlights of Riedel's research at the Dispersive Solids Group are as follows:[6]

Polymer-derived ceramics (PDCs)

Riedel is known for his work on PDCs. He has developed methods to design ceramics at the molecular level, enabling the production of materials with tailored properties. These advances have applications in high-performance coatings, lightweight structural materials, and energy storage technologies. His research into PDCs has been on extending their use to fields like aerospace engineering and microelectronics.[7]

High-Temperature Ceramics

Riedel's work on ceramics designed for high-temperature environments has advanced the understanding of the thermal stability, creep resistance, and oxidation behavior of ceramics under extreme conditions.[8]

Ceramic composites

In addition to PDCs, Riedel has contributed to the field of ceramic composites, where he has developed lightweight, high-strength materials by integrating ceramic matrices with other reinforcing materials. These composites are used in applications requiring exceptional mechanical properties, such as turbine blades and wear-resistant components.[9]

Sustainability and green technologies

In recent years, Riedel has focused on using sustainable materials and processes in ceramics manufacturing, contributing to the development of environmentally friendly materials for energy-efficient systems.[10]

Collaboration with industry

Throughout his career, Riedel has worked closely with industrial partners to ensure the translation of his research into practical applications. He has collaborated with companies in sectors such as aerospace, automotive and energy.[7] He has served on the advisory board of the Fraunhofer Institute for Interfacial Engineering and Biotechnology (IGB), an applied research institute.[11]

Awards and honors

  • 1999: Dionyz-Stur-Gold Medal for Merits in Natural Science, Slovak Academy of Science, Bratislava, Slovak Republic [4]
  • 2000: Fellow of "The American Ceramic Society" (USA)[12]
  • 2006: Honorary Doctor (Dr. h. c.) of the Slovak Academy of Sciences, Bratislava, Slovak Republic[13]
  • 2009: Honorary Professor (Prof. h. c.) of the Tianjin University, Tianjin, P.R. China[4]
  • 2012: Tammann-Gedenkmünze of the Deutschen Gesellschaft für Materialkunde[14]
  • 2013: Fellow of the European Ceramic Society[15]
  • 2014: Fellow of the School of Engineering at The University of Tokyo, Japan[16]
  • 2020: International Ceramics Prize 2020 for "Basic Science" of the World Academy of Ceramics[17]
  • 2021: Honorary Professor (Prof. h. c.) of the Xiamen University, Xiamen, P.R. China[18]
  • 2023: Elected Member of the International Institute for the Science of Sintering[19]

Editorial activities

Selected publications

  • Lu, Li; Wen, Tonghui; Li, Wei; Wen, Qingbo; Yu, Zhaoju; Tao, Shasha; Yang, Jincan; Wang, Yalei; Luan, Xingang; Xiong, Xiang; Riedel, Ralf (2024). "Single-source-precursor synthesis of dense monolithic SiC/(Ti0.25Zr0.25Hf0.25Ta0.25)C ceramic nanocomposite with excellent high-temperature oxidation resistance". Journal of the European Ceramic Society. 44 (2): 595–609. doi:10.1016/j.jeurceramsoc.2023.09.074. Retrieved 15 March 2026.

References

  1. ^ a b c d e f Darmstadt, Technical University of. "Prof. Dr. Ralf Riedel". TU Darmstadt. Retrieved 2025-01-05.
  2. ^ Colombo, Paolo; Mera, Gabriela; Riedel, Ralf; Sorarù, Gian Domenico (2010). "Polymer-Derived Ceramics: 40 Years of Research and Innovation in Advanced Ceramics". Journal of the American Ceramic Society. 93 (7): 1805–1837. doi:10.1111/j.1551-2916.2010.03876.x. ISSN 1551-2916.
  3. ^ a b c d Riedel, Ralf; Chen, I-Wei, eds. (2013-08-08). Ceramics Science and Technology. Wiley. doi:10.1002/9783527631940. ISBN 978-3-527-31149-1.
  4. ^ a b c Riedel, Ralf (2012). "Nanoscaled inorganic materials by molecular design". Chemical Society Reviews. 41 (15): 5029–5031. doi:10.1039/C2CS90050E. PMID 22763490.
  5. ^ "Ralf Riedel". scholar.google.de. Retrieved 2025-01-05.
  6. ^ "Ralf Riedel: Materials Science H-index & Awards – Academic Profile". Research.com. Retrieved 2025-01-05.
  7. ^ a b Colombo, Paolo; Mera, Gabriela; Riedel, Ralf; Sorarù, Gian Domenico (2010). "Polymer-Derived Ceramics: 40 Years of Research and Innovation in Advanced Ceramics". Journal of the American Ceramic Society. 93 (7): 1805–1837. doi:10.1111/j.1551-2916.2010.03876.x. ISSN 1551-2916.
  8. ^ Ionescu, Emanuel; Bernard, Samuel; Lucas, Romain; Kroll, Peter; Ushakov, Sergey; Navrotsky, Alexandra; Riedel, Ralf (2019). "Polymer-Derived Ultra-High Temperature Ceramics (UHTCs) and Related Materials". Advanced Engineering Materials. 21 (8) 1900269. doi:10.1002/adem.201900269. ISSN 1527-2648.
  9. ^ Alvi, Sajid Ali; Akhtar, Farid (2018-10-10). "High temperature tribology of polymer derived ceramic composite coatings". Scientific Reports. 8 (1): 15105. Bibcode:2018NatSR...815105A. doi:10.1038/s41598-018-33441-8. ISSN 2045-2322. PMC 6180137. PMID 30305660.
  10. ^ Uniresearch (2021-12-07). ""Si-based polymer-derived ceramics for energy conversion and storage"". SIMBA. Retrieved 2025-01-05.
  11. ^ "Fraunhofer IGB Annual Report 2013–14" (PDF).
  12. ^ "Chinese Academy of Sciences Shanghai Branch". english.shb.cas.cn. Retrieved 2025-01-19.
  13. ^ SAV, CSČ-VS. "- Pocta prof. Dr. Ralfovi Riedelovi". SAV – - Pocta prof. Dr. Ralfovi Riedelovi (in Slovak). Retrieved 2025-01-21.
  14. ^ "Tammann-Gedenkmünze". dgm.de (in German). Retrieved 2025-01-19.
  15. ^ "Fellowship". ecers. Retrieved 2025-01-21.
  16. ^ "Topics 2018 | Crystal Interface Laboratory. Institute of Engineering Innovation, School of Engineering, The University of Tokyo". interface.t.u-tokyo.ac.jp. Retrieved 2025-01-21.
  17. ^ "World Academy of Ceramics". www.waceramics.org. Retrieved 2025-01-21.
  18. ^ "余兆菊-厦门大学材料学院". cm.xmu.edu.cn. Retrieved 2025-01-21.
  19. ^ "IISS – Ralf Riedel". www.iiss-sci.org. Retrieved 2025-01-21.
  20. ^ "Editorial board – Ceramics International | ScienceDirect.com by Elsevier". www.sciencedirect.com. Retrieved 2025-01-19.
  21. ^ "Editorial Board – Journal of Ceramic Science". www.ceramic-science.com. Retrieved 2025-01-19.
  22. ^ "Journal of the American Ceramic Society". ACerS. Retrieved 2025-01-19.
  23. ^ "About the Editors | npj Advanced Manufacturing". www.nature.com. Retrieved 2025-01-19.
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