Structure and Properties of Cast Ti-Al-Si Alloys
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Microstructure and Phase Composition
3.2. Mechanical and Tribological Properties
3.3. High-Temperatute Properties
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Mechanical Properties | TiAl15Si15 (CC) | TiAl35Si5 (CC) | TiAl35Si5 (CC + HIP) |
---|---|---|---|
Hardness HV 5 | 459 ± 15 | 375 ± 16 | 374 ± 7 |
Ultimate compressive strength [MPa] | 1205 ± 80 | 1867 ± 75 | 1801 ± 47 |
Tribological Properties | TiAl15Si15 (CC) | TiAl35Si5 (CC) | TiAl35Si5 (CC + HIP) |
---|---|---|---|
friction coefficient [–] | 0.555 ± 0.006 | 0.453 ± 0.004 | 0.462 ± 0.003 |
wear rate [mm3m−1N−1] | (4.17 ± 0.09) × 10 −4 | (1.25 ± 0.02) × 10 −4 | (1.21 ± 0.04) × 10 −4 |
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Knaislová, A.; Novák, P.; Linhart, J.; Szurman, I.; Skotnicová, K.; Juřica, J.; Čegan, T. Structure and Properties of Cast Ti-Al-Si Alloys. Materials 2021, 14, 813. https://doi.org/10.3390/ma14040813
Knaislová A, Novák P, Linhart J, Szurman I, Skotnicová K, Juřica J, Čegan T. Structure and Properties of Cast Ti-Al-Si Alloys. Materials. 2021; 14(4):813. https://doi.org/10.3390/ma14040813
Chicago/Turabian StyleKnaislová, Anna, Pavel Novák, Jiří Linhart, Ivo Szurman, Kateřina Skotnicová, Jan Juřica, and Tomáš Čegan. 2021. "Structure and Properties of Cast Ti-Al-Si Alloys" Materials 14, no. 4: 813. https://doi.org/10.3390/ma14040813