Compositional Optimization of High-Performance Ferritic (HiperFer) Steels—Effect of Niobium and Tungsten Content
Abstract
:1. Introduction
2. Methods and Materials
2.1. Alloy Design and Production
2.2. Microstructural Investigation
2.3. Mechanical Testing
3. Results and Discussion
3.1. Thermodynamic Modelling of Alloy Compositions
3.2. Precipitation Behaviour
3.3. Mechanical Properties
3.3.1. Hardness Evolution
3.3.2. Tensile Strength in the Solution Treated State (i.e., Solid Solution Hardening Effect)
3.3.3. Compression Creep
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Model Alloy | Cr | W | Nb | Si | Mn | Fe |
---|---|---|---|---|---|---|
17Cr2 (2.4W0.6Nb) | 17.10 | 2.41 | 0.63 | 0.25 | 0.18 | R |
2.6W1Nb | 17.43 | 2.83 | 0.9 | 0.2 | 0.27 | R |
3.1W1Nb | 17.37 | 3.27 | 1.0 | 0.2 | 0.23 | R |
4W1Nb | 17.30 | 3.97 | 0.93 | 0.2 | 0.23 | R |
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Fan, X.; Kuhn, B.; Pöpperlová, J.; Bleck, W.; Krupp, U. Compositional Optimization of High-Performance Ferritic (HiperFer) Steels—Effect of Niobium and Tungsten Content. Metals 2020, 10, 1300. https://doi.org/10.3390/met10101300
Fan X, Kuhn B, Pöpperlová J, Bleck W, Krupp U. Compositional Optimization of High-Performance Ferritic (HiperFer) Steels—Effect of Niobium and Tungsten Content. Metals. 2020; 10(10):1300. https://doi.org/10.3390/met10101300
Chicago/Turabian StyleFan, Xiuru, Bernd Kuhn, Jana Pöpperlová, Wolfgang Bleck, and Ulrich Krupp. 2020. "Compositional Optimization of High-Performance Ferritic (HiperFer) Steels—Effect of Niobium and Tungsten Content" Metals 10, no. 10: 1300. https://doi.org/10.3390/met10101300