Manufacturing Technology 2022, 22(5):605-609 | DOI: 10.21062/mft.2022.069

Microstructure and Phase Composition of Thin Protective Layers of Titanium Aluminides Prepared by Self-propagating High-temperature Synthesis (SHS) for Ti-6Al-4V Alloy

Anna Teichmanova ORCID..., Alena Michalcova ORCID..., David Necas ORCID...
Department of Metals and Corrosion Engineering, University of Chemistry and Technology in Prague, Technická 5, Prague. Czech Republic

Titanium aluminides were prepared using self-propagating high-temperature synthesis (SHS) from powder aluminium and compact Ti-6Al-4V alloy at 800 °C. The resulting material was subsequently annealed at the same temperature for 3 hours. The coating was successfully bonded to the matrix using SHS while forming intermetallic phases of cubic TiAl3 in areas of powdered aluminium. The resulting coating was approximately 14 μm thick. Material annealing resulted in further reactions between the TiAl3 coating and Ti-6Al-4V matrix, forming a thin layer of γ-TiAl. Using SEM, the different phase composition of annealed and unannealed material was clearly visible, however, clear determination of emerging phases was very difficult due to the small thickness of the intermetallic coating. Eventually, phases were determined by a combination of cross-section μ-XRD and various EDS analyses.

Keywords: Self-propagating high-temperature synthesis (SHS), Titanium aluminides, Intermetallics, Coatings
Grants and funding:


This work was supported from the grant of Specific university research - grant No A1_FCHT_2022_007.

Received: September 20, 2022; Revised: October 7, 2022; Accepted: December 2, 2022; Prepublished online: December 6, 2022; Published: December 11, 2022  Show citation

ACS AIP APA ASA Harvard Chicago IEEE ISO690 MLA NLM Turabian Vancouver
Teichmanova A, Michalcova A, Necas D. Microstructure and Phase Composition of Thin Protective Layers of Titanium Aluminides Prepared by Self-propagating High-temperature Synthesis (SHS) for Ti-6Al-4V Alloy. Manufacturing Technology. 2022;22(5):605-609. doi: 10.21062/mft.2022.069.
Share...
Download citation
  • BibTeX (.bib)
  • Bookends (.ris)
  • EasyBib (.ris)
  • EndNote (.enw)
  • EndNote 8 (.xml)
  • ISI WoS (.isi)
  • Medlars (.medlars)
  • Mendeley (.ris)
  • MODS (.xml)
  • Papers (.ris)
  • RefWorks (.txt)
  • RefManager (.ris)
  • RIS (.ris)
  • MS Word (.xml)
  • Zotero (.ris)
    • Open full article

    References

    1. KNAISLOVÁ, A., ŠIMŮNKOVÁ, V., & NOVÁK, P. (2018). High-temperature oxidation of intermetallics based on Ti-Al-Si system. Manufacturing Technology, 18(2), 255-258. Go to original source...
    2. ROBINSON, J., CUDD, R., & EVANS, J. (2003). Creep resistant aluminium alloys and their applications. Materials science and technology, 19(2), 143-155. Go to original source...
    3. BARBOZA, M., PEREZ, E., MEDEIROS, M., REIS, D., NONO, M., NETO, F. P., & SILVA, C. (2006). Creep behavior of Ti-6Al-4V and a comparison with titanium matrix composites. Materials Science and Engineering: A, 428(1-2), 319-326. Go to original source...
    4. GUPTA, R. K., & PANT, B. (2018). 4 - Titanium aluminides. In R. Mitra (Ed.), Intermetallic Matrix Composites (pp. 71-93). Woodhead Publishing. https://doi.org/https://doi.org/10.1016/B978-0-85709-346-2.00004-2 Go to original source...
    5. KURBATKINA, V. V. (2017). Titanium Aluminides. In I. P. Borovinskaya, A. A. Gromov, E. A. Levashov, Y. M. Maksimov, A. S. Mukasyan, & A. S. Rogachev (Eds.), Concise Encyclopedia of Self-Propagating High-Temperature Synthesis (pp. 392-393). Elsevier. https://doi.org/https://doi.org/10.1016/B978-0-12-804173-4.00158-7 Go to original source...
    6. NOVÁK, P., KŘÍŽ, J., PRŮŠA, F., KUBÁSEK, J., MAREK, I., MICHALCOVÁ, A., VODĚROVÁ, M., & VOJTĚCH, D. (2013). Structure and properties of Ti-Al-Si-X alloys produced by SHS method. Inter-metallics, 39, 11-19. https://doi.org/10.1016/j.intermet.2013.03.009 Go to original source...
    7. ŠKOLÁKOVÁ, A., SALVETR, P., & NOVÁK, P. (2018). The effect of aluminium amount on the combustion temperature and microstructure of Ti-Al alloy after reactive sintering. Manufacturing Technology, 18(3), 499-503. Go to original source...
    8. CHEN, W., & LI, Z. (2019). Additive manufacturing of titanium aluminides. In Additive Manufacturing for the Aerospace Industry (pp. 235-263). Elsevier. Go to original source...
    9. YU, H., ZHANG, D., CHEN, Y., CAO, P., & GABBITAS, B. (2009). Synthesis of an ultrafine grained TiAl based alloy by subzero temperature milling and HIP, its microstructure and mechanical properties. Journal of Alloys and Compounds, 474(1-2), 105-112. Go to original source...
    10. LAGOS, M., & AGOTE, I. (2013). SPS synthesis and consolidation of TiAl alloys from elemental powders: Microstructure evolution. Intermetallics, 36, 51-56. Go to original source...
    11. FAN, X., HUANG, W., ZHOU, X., & ZOU, B. (2020). Preparation and characterization of NiAl-TiC-TiB2 intermetallic matrix composite coatings by atmospheric plasma spraying of SHS powders. Ceramics International, 46(8), 10512-10520. Go to original source...
    12. KNAISLOVÁ, A., NOVÁK, P., & NOVÁ, K. (2016). Using of Microscopy in Optimization of the Ti-Al-Si Alloys Preparation by Powder Metallurgy [journal article]. Manufacturing Technology Journal, 16(5), 946-949. https://doi.org/10.21062/ujep/x.2016/a/1213-2489/MT/16/5/946 Go to original source...
    13. PRCHAL, J. (2018). Laboratoř rentgenové difraktometrie a spektrometrie. Vysoká škola chemicko-technologická v Praze. Retrieved 15. 4. 2022 from https://clab.vscht.cz/rtg/rtg-mereni#a3

    This is an open access article distributed under the terms of the Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0), which permits non-comercial use, distribution, and reproduction in any medium, provided the original publication is properly cited. No use, distribution or reproduction is permitted which does not comply with these terms.


    Return to the content