Application of Iron Aluminides in the Combustion Chamber of Large Bore 2-Stroke Marine Engines
Abstract
:1. Introduction
2. Materials and Methods
2.1. Processing of Material for Lab Tests and Prototype Manufacturing
2.2. Material Characterization
3. Results and Discussion
3.1. Material Characterization of as-Cast and HIPped Fe-Al-Mo-Ti-B
3.1.1. Microstructure
3.1.2. Corrosion Behavior
3.1.3. Mechanical Behavior
3.2. Production and Inspection of as-Manufacture Prototypes
3.3. Post Analysis of Prototypes after Engine Test
4. Summary and Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Condition | Fe | Al | Mo | Ti | B | |
---|---|---|---|---|---|---|
As-cast | in wt. % | Bal. | 14.3 | 3.9 | 0.6 | 0.3 |
in at. % | Bal. | 25.7 | 2.0 | 0.6 | 1.3 | |
HIP | in wt. % | Bal. | 14.0 | 4.0 | 0.5 | 0.3 |
in at. % | Bal. | 25.3 | 2.0 | 0.5 | 1.4 |
Alloy | Duration (h) | kp (g2·cm−4·s−1) |
---|---|---|
Fe-25.7Al-2.0Mo-0.6Ti-1.3B, as-cast | 160–400 | 2.3 × 10−14 |
Fe-25.3Al-2.0Mo-0.5Ti-1.4B, HIP | 160–400 | 7.7 × 10−14 |
Nimonic | 160–400 | 4.6 × 10−12 |
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Moszner, F.; Peng, J.; Suutala, J.; Jasnau, U.; Damani, M.; Palm, M. Application of Iron Aluminides in the Combustion Chamber of Large Bore 2-Stroke Marine Engines. Metals 2019, 9, 847. https://doi.org/10.3390/met9080847
Moszner F, Peng J, Suutala J, Jasnau U, Damani M, Palm M. Application of Iron Aluminides in the Combustion Chamber of Large Bore 2-Stroke Marine Engines. Metals. 2019; 9(8):847. https://doi.org/10.3390/met9080847
Chicago/Turabian StyleMoszner, Frank, Jian Peng, Jyrki Suutala, Ulf Jasnau, Monika Damani, and Martin Palm. 2019. "Application of Iron Aluminides in the Combustion Chamber of Large Bore 2-Stroke Marine Engines" Metals 9, no. 8: 847. https://doi.org/10.3390/met9080847