Niobium Additions to a 15%Cr–3%C White Iron and Its Effects on the Microstructure and on Abrasive Wear Behavior
Abstract
:1. Introduction
2. Experimental Procedure
3. Results and Discussion
3.1. As-Cast Microstructure
3.2. As-Heat Treated Microstructure
3.3. Wear Behavior
4. Conclusions
Author Contributions
Funding
Aknowledgments
Conflicts of Interest
References
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Alloy | %C | %Cr | %Mo | %Ni | %Si | %Mn | %Nb | %Fe |
---|---|---|---|---|---|---|---|---|
Iron 1 | 3.12 | 15.10 | 3.02 | 0.56 | 0.532 | 1.11 | 0.014 | Balance |
Iron 2 | 3.03 | 14.89 | 2.91 | 0.53 | 0.492 | 1.00 | 1.795 | Balance |
Iron 3 | 2.82 | 14.63 | 2.88 | 0.89 | 0.512 | 0.93 | 3.983 | Balance |
Alloy | Austenite | M7C3 | NbC | M2C | |||||
---|---|---|---|---|---|---|---|---|---|
Measured | Predicted | Measured | Predicted | Measured | Predicted | Measured | Predicted | ||
Iron 1 | (0.01%Nb) | 64% | 70% | 30% | 29% | - | - | 2% | 1% |
Iron 2 | (1.79%Nb) | 65% | 72% | 26% | 24% | 3% | 2% | 1% | 1% |
Iron 3 | (3.98%Nb) | 65% | 74% | 24% | 20% | 6% | 5% | 1% | 1% |
Alloy | Condition | Austenite | Martensite | M7C3 | NbC | M2C |
---|---|---|---|---|---|---|
(%) | (%) | (%) | (%) | (%) | ||
Iron 1 (0.01%Nb) | As-Cast Heat Treated | 64 | 4 | 30 | - | 2 |
18 | 50 | 30 | - | 2 | ||
Iron 2 (1.79%Nb) | As-Cast Heat Treated | 65 | 5 | 26 | 3 | 1 |
21 | 49 | 26 | 3 | 1 | ||
Iron 3 (3.98%Nb) | As-Cast Heat Treated | 65 | 4 | 24 | 6 | 1 |
23 | 46 | 24 | 6 | 1 |
Alloy | Condition | Matrix | M7C3 | NbC |
---|---|---|---|---|
Iron 1 (0.01%Nb) | As-Cast Heat Treated | 291 ± 11 | 1105 ± 55 | - |
509 ± 19 | - | - | ||
Iron 2 (1.79%Nb) | As-Cast Heat Treated | 271 ± 07 | 1115 ± 31 | 2318 ± 31 |
489 ± 14 | - | - | ||
Iron 3 (3.98%Nb) | As-Cast Heat Treated | 258 ± 11 | 1118 ± 41 | 2333 ± 36 |
470 ± 05 | - | - |
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Bedolla-Jacuinde, A.; Guerra, F.; Mejia, I.; Vera, U. Niobium Additions to a 15%Cr–3%C White Iron and Its Effects on the Microstructure and on Abrasive Wear Behavior. Metals 2019, 9, 1321. https://doi.org/10.3390/met9121321
Bedolla-Jacuinde A, Guerra F, Mejia I, Vera U. Niobium Additions to a 15%Cr–3%C White Iron and Its Effects on the Microstructure and on Abrasive Wear Behavior. Metals. 2019; 9(12):1321. https://doi.org/10.3390/met9121321
Chicago/Turabian StyleBedolla-Jacuinde, Arnoldo, Francisco Guerra, Ignacio Mejia, and Uzzi Vera. 2019. "Niobium Additions to a 15%Cr–3%C White Iron and Its Effects on the Microstructure and on Abrasive Wear Behavior" Metals 9, no. 12: 1321. https://doi.org/10.3390/met9121321