Influence of W Addition on Phase Constitution, Microstructure and Magnetic Properties of the Nanocrystalline Pr9Fe65WxB26-x (Where: x = 2, 4, 6, 8) Alloy Ribbons
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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x (at. %) | Tg (K) | Tm (K) | ΔTx (K) | Trg | γ | ||
---|---|---|---|---|---|---|---|
2 | 920 | 940 | - | 1371 | 20 | 0.67 | 0.41 |
4 | 905 | 915 | - | 1371 | 10 | 0.66 | 0.40 |
6 | 914 | 920 | - | 1369 | 6 | 0.67 | 0.40 |
8 | 934 | 945 | 1020 | 1370 | 11 | 0.68 | 0.41 |
x (at. %) | Ea (kJ/mol) |
---|---|
2 | 544 ± 11 |
4 | 330 ± 7 |
6 | 644 ± 13 |
8 | 320 ± 7 |
x | Identified Phases | Bhf (T) | IS (mm/s) | QS (mm/s) | V (vol. %) | |
---|---|---|---|---|---|---|
2 | Pr2Fe14B | 16k1 | 28.7 | −0.19 | 0.58 | 9 |
16k2 | 30.6 | 0.07 | 0.18 | |||
8j1 | 19.6 | −0.07 | 0.29 | |||
8j2 | 34.8 | −0.17 | 0.85 | |||
4e | 25.6 | −0.64 | −0.67 | |||
4c | 27.9 | 0.80 | −0.21 | |||
Pr1+xFe4B4 | - | −0.01 | 1.08 | 9 | ||
Fe2B | 23.3 | −0.00 | 0.03 | 82 | ||
4 | Pr2Fe14B | 16k1 | 28.1 | −0.25 | 0.13 | 36 |
16k2 | 30.6 | 0.13 | 0.99 | |||
8j1 | 27.7 | −0.71 | 0.28 | |||
8j2 | 26.0 | 0.53 | 0.01 | |||
4e | 25.6 | 0.01 | −0.67 | |||
4c | 28.1 | −0.15 | −0.21 | |||
Pr1+xFe4B4 | - | −0.07 | 0.53 | 58 | ||
disordered Pr2Fe14B | - | - | - | 6 | ||
6 | Pr2Fe14B | 16k1 | 27.2 | −0.14 | 0.55 | 13 |
16k2 | 27.3 | −0.14 | 0.23 | |||
8j1 | 22.7 | −0.71 | −1.05 | |||
8j2 | 32.9 | 0.40 | −0.09 | |||
4e | 25.6 | 0.01 | −0.67 | |||
4c | 29.6 | −0.15 | −0.21 | |||
Pr1+xFe4B4 | - | −0.07 | 0.58 | 53 | ||
α-Fe | 33.1 | −0.15 | 0.12 | 11 | ||
disordered Pr2Fe14B | - | - | - | 23 | ||
8 | Pr2Fe14B | 16k1 | 27.7 | 0.50 | 0.71 | 48 |
16k2 | 28.0 | −0.14 | 0.17 | |||
8j1 | 29.6 | −0.70 | −0.40 | |||
8j2 | 31.6 | −0.54 | 0.69 | |||
4e | 25.6 | −0.63 | −0.67 | |||
4c | 29.6 | −2.09 | 2.22 | |||
Pr1+xFe4B4 | - | −0.08 | 0.55 | 37 | ||
disordered Pr2Fe14B | - | - | - | 15 |
x (at. %) | T (K) | JHc (kA/m) | Jr (T) | (BH)max (kJ/m3) | Js (T) |
---|---|---|---|---|---|
2 | 943 | 3 | 0.05 | - | 1.12 |
963 | 3 | 0.07 | - | 1.12 | |
983 | 21 | 0.17 | - | 1.13 | |
1003 | 60 | 0.35 | 3 | 1.04 | |
1023 | 77 | 0.33 | 4 | 1.04 | |
4 | 943 | 1013 | 0.29 | 14 | 0.42 |
963 | 1053 | 0.30 | 16 | 0.45 | |
983 | 975 | 0.29 | 14 | 0.48 | |
1003 | 1148 | 0.30 | 13 | 0.49 | |
1023 | 972 | 0.30 | 13 | 0.45 | |
6 | 943 | 14 | 0.01 | - | 0.83 |
963 | 204 | 0.26 | 6 | 0.58 | |
983 | 390 | 0.33 | 1 | 0.61 | |
1003 | 319 | 0.32 | 11 | 0.62 | |
1023 | 359 | 0.32 | 10 | 0.66 | |
8 | 943 | 136 | 0.25 | 2 | 0.77 |
963 | 910 | 0.40 | 22 | 0.63 | |
983 | 960 | 0.39 | 23 | 0.62 | |
1003 | 983 | 0.37 | 20 | 0.60 | |
1023 | 882 | 0.34 | 15 | 0.63 |
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Filipecka, K.; Pawlik, P.; Kozdraś, A.; Kaszuwara, W.; Ferenc, J.; Filipecki, J. Influence of W Addition on Phase Constitution, Microstructure and Magnetic Properties of the Nanocrystalline Pr9Fe65WxB26-x (Where: x = 2, 4, 6, 8) Alloy Ribbons. Materials 2020, 13, 2229. https://doi.org/10.3390/ma13102229
Filipecka K, Pawlik P, Kozdraś A, Kaszuwara W, Ferenc J, Filipecki J. Influence of W Addition on Phase Constitution, Microstructure and Magnetic Properties of the Nanocrystalline Pr9Fe65WxB26-x (Where: x = 2, 4, 6, 8) Alloy Ribbons. Materials. 2020; 13(10):2229. https://doi.org/10.3390/ma13102229
Chicago/Turabian StyleFilipecka, Katarzyna, Piotr Pawlik, Andrzej Kozdraś, Waldemar Kaszuwara, Jarosław Ferenc, and Jacek Filipecki. 2020. "Influence of W Addition on Phase Constitution, Microstructure and Magnetic Properties of the Nanocrystalline Pr9Fe65WxB26-x (Where: x = 2, 4, 6, 8) Alloy Ribbons" Materials 13, no. 10: 2229. https://doi.org/10.3390/ma13102229