Investigations on the Diffusion of Platinum between CMSX-4 Superalloy and Platinum-Enriched Bond Coat
Abstract
:1. Introduction
2. Materials and Methods
2.1. Sample Preparation
2.2. Characterization Methods
2.3. Thermodynamic Calculations
3. Results
3.1. Diffusion of Pt into Superalloy
3.2. Diffusion of Pt in γ/γ′ Bond Coat/Superalloy
3.3. Diffusion of Pt in β Bond Coat/Superalloy
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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γ′-Phase | γ-Phase |
---|---|
(Ni, Pt)3X (X = Al, Ti or Ta) | Ni (Cr, Co, W, Re) |
β-Phase | Γ’-Phase | γ-Phase |
---|---|---|
(Pt, Ni, Cr, Co) Al | Ni3X (X = Ti, Ta) | Ni (W, Re, Cr, Co) |
Sample | a (Å) |
---|---|
CMSX-4 superalloy | 3.594 |
CMSX-4 (γ′-cubes) | 3.597 |
As-electroplated Pt layer | 3.908 |
Pt-diffused γ′/γ bond coat | a(γ) = 3.643; a(γ′) = 3.698 |
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Bai, M.; Chen, Y.; Xiao, P. Investigations on the Diffusion of Platinum between CMSX-4 Superalloy and Platinum-Enriched Bond Coat. Coatings 2021, 11, 441. https://doi.org/10.3390/coatings11040441
Bai M, Chen Y, Xiao P. Investigations on the Diffusion of Platinum between CMSX-4 Superalloy and Platinum-Enriched Bond Coat. Coatings. 2021; 11(4):441. https://doi.org/10.3390/coatings11040441
Chicago/Turabian StyleBai, Mingwen, Ying Chen, and Ping Xiao. 2021. "Investigations on the Diffusion of Platinum between CMSX-4 Superalloy and Platinum-Enriched Bond Coat" Coatings 11, no. 4: 441. https://doi.org/10.3390/coatings11040441
APA StyleBai, M., Chen, Y., & Xiao, P. (2021). Investigations on the Diffusion of Platinum between CMSX-4 Superalloy and Platinum-Enriched Bond Coat. Coatings, 11(4), 441. https://doi.org/10.3390/coatings11040441