Optimizing Laser Ablation of Inconel 718 and MMPCD
Author Information
Author(s): Ahmed Elkaseer, Islam H. Abdelgaliel, Jon Lambarri, Iban Quintana, Steffen Scholz, Mohamed F. Aly
Primary Institution: The British University in Egypt
Hypothesis
This study investigates the ablation performance of Inconel 718 and MMPCD using a nano-second pulsed laser across various conditions.
Conclusion
The study found that fluence significantly affects ablation rates, with MMPCD showing higher rates at lower speeds and Inconel 718 exhibiting more recast material.
Supporting Evidence
- MMPCD achieved the highest ablation rates at maximum fluence and lower speeds with negligible recast.
- Inconel 718 reached peak rates at similar conditions but exhibited significant surface recast.
- Regression models were developed to understand the relationships between input and output parameters.
- Four multi-objective optimization algorithms were employed to optimize the ablation process.
Takeaway
The researchers used lasers to cut two tough materials and found that the amount of energy used and how fast the laser moves affects how well it cuts.
Methodology
The study involved creating trenches in the materials using a nano-second pulsed laser and analyzing the effects of different energy fluences and scanning speeds on ablation rates and surface roughness.
Limitations
The study was limited to specific ranges of fluence and scanning speeds, and the effects of other parameters were not explored.
Digital Object Identifier (DOI)
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