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Hydrojet Surface Treatment of Ti-6Al-4V Titanium Produced by Additive Manufacturing
Monika Szada-Borzyszkowska1, Dorota Laskowska1, Błażej Bałasz1
1Faculty of Mechanical Engineering and Energy, Koszalin University of Technology, Śniadeckich 2, 75-620 Koszalin, Poland.
Materials (Basel, Switzerland)
|September 13, 2025
Summary
Finishing methods significantly impact the surface quality of additively manufactured Ti-6Al-4V titanium alloy. Abrasive water jet and water-ice jet treatments show promise for defect removal and surface smoothing.
Area of Science:
- Materials Science
- Manufacturing Engineering
Background:
- Additive manufacturing, specifically selective laser melting (SLM), enables complex geometries for Ti-6Al-4V titanium alloy.
- Surface quality is a critical factor influencing the performance and reliability of SLM-manufactured components.
Purpose of the Study:
- To evaluate the efficacy of different finishing methods on the surface quality of SLM-produced Ti-6Al-4V.
- To identify optimal finishing techniques for improving surface integrity.
Main Methods:
- Analysis of surface quality after applying water jet treatment, abrasive water jet treatment (at 30 MPa), and water-ice jet treatment.
- Microscopic examination and surface roughness measurements were implicitly considered.
Main Results:
- Water jet treatment showed minimal effect on surface quality.
- Abrasive water jet effectively removed defects and smoothed the surface, but posed a risk of particle entrapment.
- Water-ice jet demonstrated effective material removal and surface smoothing capabilities.
Conclusions:
- Finishing method selection for Ti-6Al-4V titanium alloy depends on specific application requirements.
- Abrasive water jet and water-ice jet are promising techniques for enhancing surface quality.
- Further research is needed for technique optimization and combining methods to improve functional properties.
