Microstructure and mechanical properties of highly porous Hastelloy-X nickel superalloy produced by a space holder approach
2025

Highly Porous Hastelloy-X Nickel Superalloy

Sample size: 12 publication Evidence: moderate

Author Information

Author(s): Bętkowska Aleksandra, Podsiadło Marcin, Polkowska Adelajda, Włoch Grzegorz, Polkowski Wojciech

Primary Institution: Łukasiewicz Research Network, Krakow Institute of Technology

Hypothesis

Can a space holder approach effectively produce highly porous Hastelloy-X nickel superalloy with desirable mechanical properties?

Conclusion

The study successfully demonstrates the fabrication of highly porous Hastelloy-X alloy with good structural integrity and unique mechanical properties.

Supporting Evidence

  • The study presents pioneering results on the microstructure and mechanical properties of porous Hastelloy-X.
  • The produced materials exhibited a total volumetric porosity of 50, 60, and 70%.
  • Mechanical properties were examined through static room temperature compression tests.

Takeaway

Researchers made a new type of superalloy that has lots of tiny holes in it, which can be useful for things like engines. They found a way to make it strong and light.

Methodology

The materials were fabricated using a multi-step powder metallurgy process with a space holder approach, followed by non-destructive and destructive structural characterization.

Limitations

Limited information on the long-term performance and application-oriented properties of the porous Hastelloy-X alloy.

Digital Object Identifier (DOI)

10.1038/s41598-024-84321-3

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