Characterization of a Titanium-Iron-Manganese Alloy for Hydrogen Storage
Author Information
Author(s): Bebon Ludovic, Maynadier Anne, Gaillard Yves, Chapelle David
Primary Institution: Department of Applied Mechanics, FEMTO-ST Institute, CNRS, Université de Franche-Comté, France
Hypothesis
The study aims to characterize the mechanical properties of the Ti0.5Fe0.45Mn0.05 alloy at different scales to improve hydrogen storage reliability.
Conclusion
The study found that the elastic modulus of the Ti0.5Fe0.45Mn0.05 alloy varies significantly, with an average of 198 GPa, influenced by microstructural defects.
Supporting Evidence
- The elastic modulus was measured to be about 198 GPa with high variability.
- Ultrasonic and nanoindentation techniques revealed distinct elastic behaviors in different phases of the alloy.
- The study identified four distinct domains of elasticity within the alloy.
Takeaway
This study looks at how a special metal alloy behaves when it's squished, which helps us understand how to store hydrogen safely.
Methodology
The study used compression tests, ultrasonic elastic characterization, and nanoindentation to measure the elastic modulus at different scales.
Limitations
The variability in mechanical properties due to pre-existing cracks and the small sample size may affect the generalizability of the results.
Digital Object Identifier (DOI)
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