Transformations in the Ti-6Al-4V Alloy Studied Using Dilatometry Supported by Acoustic Emission
2024

Studying Changes in the Ti-6Al-4V Alloy with Heating

publication Evidence: moderate

Author Information

Author(s): Łazarska Małgorzata, Musiał Janusz, Tański Tomasz, Ranachowski Zbigniew

Primary Institution: Kazimierz Wielki University

Hypothesis

How do heating rates affect the phase transformations in the Ti-6Al-4V alloy?

Conclusion

The study found that the α→β transformation in the Ti-6Al-4V alloy occurs after exceeding 900 °C, and the heating rate influences the transformation timing.

Supporting Evidence

  • The α→β transformation was observed to occur after exceeding 900 °C.
  • Acoustic emission signals confirmed the occurrence of phase transformations.
  • Dilatometric curves showed similar transformation patterns at different heating rates.

Takeaway

When you heat a special metal called Ti-6Al-4V, it changes shape at high temperatures, and how fast you heat it can change when those changes happen.

Methodology

The study used a modified dilatometer with acoustic emission measurement to observe phase transformations in the Ti-6Al-4V alloy during heating.

Limitations

The study's findings may be limited by the specific heating rates tested and the sensitivity of the acoustic emission measurements.

Digital Object Identifier (DOI)

10.3390/ma17246260

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