Revising the Subsystem Nurse’s A-Phase-Silicocarnotite within the System Ca3(PO4)2–Ca2SiO4
Abstract
:1. Introduction
2. Results and Discussion
3. Materials and Methods
3.1. Chemical Analysis
3.2. Phase Diagram Studies
3.3. Thermal Analysis
3.4. XRD
3.5. Microstructure and Microanalysis
3.6. In Vitro Cell Tests
3.7. Statistical Analysis
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Chemical Analysis (wt %) | Ass | Sss |
---|---|---|
CaO | 59.8 | 57.9 |
SiO2 | 18.3 | 11.9 |
P2O5 | 21.5 | 30 |
MgO | 0.064 | 0.062 |
Al2O3 | 0.084 | 0.066 |
Na2O | 0.038 | 0.028 |
K2O | 0.007 | 0.005 |
Fe2O3 | 0.036 | 0.032 |
TiO2 | 0.024 | 0.007 |
MnO | – | – |
Composition No. | Holding Conditions | Observed Phase | General Characteristics | |
---|---|---|---|---|
Temperature (°C) | Time (h) | |||
1 | 1300 | 144 | Ass | White solid |
1350 | 144 | Ass | White solid | |
1400 | 144 | Rss | White solid | |
1500 | 144 | Rss | White solid | |
2 | 1225 | 144 | Ass | White solid |
1300 | 144 | Ass | White solid | |
1350 | 144 | Ass | White solid | |
1375 | 144 | Ass | White solid | |
3 | 1225 | 144 | Ass + Sss | White solid |
1300 | 144 | Ass + Sss | White solid | |
1350 | 144 | Ass + Sss | White solid | |
1375 | 144 | Ass + Rss | White solid | |
4 | 1225 | 48 | Ass + Sss | White solid |
1250 | 48 | Ass + Sss | White solid | |
1275 | 48 | Ass + Sss | White solid | |
1300 | 48 | Ass + Sss | White solid | |
1350 | 144 | Ass + Sss | White solid | |
1375 | 144 | Ass + Rss | White solid | |
5 | 1225 | 48 | Ass + Sss | White solid |
1250 | 48 | Ass + Sss | White solid | |
1275 | 48 | Ass + Sss | White solid | |
1300 | 48 | Ass + Sss | White solid | |
1350 | 144 | Ass + Sss | White solid | |
1375 | 144 | Ass + Rss | White solid | |
6 * | 1225 | 48 | Ass + Sss | White solid |
1250 | 48 | Ass + Sss | White solid | |
1275 | 48 | Ass + Sss | White solid | |
1300 | 48 | Ass + Sss | White solid | |
1350 | 144 | Ass + Sss | White solid | |
1375 | 144 | Ass + Rss | White solid | |
1500 | 144 | Rss | White solid | |
7 | 1225 | 48 | Ass + Sss | White solid |
1250 | 48 | Ass + Sss | White solid | |
1275 | 48 | Ass + Sss | White solid | |
1300 | 48 | Ass + Sss | White solid | |
1350 | 144 | Ass + Sss | White solid | |
1375 | 144 | Ass + Rss | White solid | |
8 | 1225 | 48 | Ass + Sss | White solid |
1250 | 48 | Ass + Sss | White solid | |
1275 | 48 | Ass + Sss | White solid | |
1300 | 48 | Ass + Sss | White solid | |
1350 | 144 | Ass + Sss | White solid | |
1375 | 144 | Ass + Rss | White solid | |
9 | 1362 | 144 | Ass + Sss | White solid |
1370 | 144 | Ass + Rss | White solid | |
10 | 1362 | 144 | Ass + Sss | White solid |
1370 | 144 | Rss | White solid | |
11 | 1362 | 144 | Ass + Sss | White solid |
1370 | 144 | Rss | White solid | |
1400 | 144 | Rss | White solid | |
1450 | 144 | Rss | White solid | |
1500 | 144 | Rss | White solid | |
12 | 1362 | 144 | Rss + Sss | White solid |
1370 | 144 | Ass + Sss | White solid | |
13 | 1362 | 144 | Ass + Sss | White solid |
1370 | 144 | Ass + Sss | White solid | |
1400 | 144 | Sss | White solid | |
14 | 1225 | 48 | Ass + Sss | White solid |
1300 | 48 | Ass + Sss | White solid | |
1350 | 144 | Ass + Sss | White solid | |
1375 | 144 | Rss + Sss | White solid | |
15 | 1225 | 48 | Sss | White solid |
1300 | 48 | Sss | White solid | |
1350 | 144 | Sss | White solid | |
1375 | 144 | Sss | White solid | |
16 | 1300 | 144 | Sss | White solid |
1400 | 144 | Sss | White solid | |
1450 | 144 | Rss | White solid | |
1500 | 144 | Rss | White solid |
C2S | TCP | T (°C) | Composition No. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
– | 1 | 6 | 11 | 16 | – | |||||||||
d | I | d | I | d | I | d | I | d | I | d | I | |||
100 | 0 | 1525 | – | – | 3.99 | – | 3.99 | 30 | 4.00 | 30 | 3.98 | 40 | 3.98 | 41 |
52.61 | 47.39 | 1500 | 3.67 | 4 | – | – | 3.77 | 10 | 3.80 | 10 | 3.81 | 17 | 3.85 | 50 |
45 | 55 | 1500 | 2.92 | 61 | 3.75 | 74 | 2.95 | 80 | 2.94 | 100 | 2.94 | 100 | 2.96 | 100 |
40.50 | 59.50 | 1500 | 2.77 | 100 | 2.75 | 100 | 2.72 | 70 | 2.72 | 70 | 2.70 | 60 | 2.68 | 68 |
35.70 | 64.30 | 1500 | 2.28 | 9 | 2.19 | 22 | 2.20 | 16 | 2.21 | 8 | 2.22 | 22 | 2.22 | 17 |
0 | 100 | 1447 | 2.01 | 28 | 2.00 | – | 2.00 | 40 | 1.99 | 10 | 1.95 | 22 | 1.99 | 43 |
Composition No. | Sample wt % TCP | Sample wt % C2S | Sample wt % S | Sample wt % A |
---|---|---|---|---|
1 | 47.39 | 52.61 | 0.00 | 100.00 |
2 | 49.00 | 51.00 | 9.52 | 90.48 |
3 | 50.00 | 50.00 | 15.43 | 84.57 |
4 | 53.00 | 47.00 | 33.18 | 66.82 |
5 | 54.00 | 46.00 | 39.09 | 60.91 |
6 | 55.00 | 45.00 | 45.00 | 55.00 |
7 | 56.00 | 44.00 | 50.92 | 49.08 |
8 | 57.00 | 43.00 | 56.83 | 43.17 |
9 | 58.00 | 42.00 | 62.74 | 37.26 |
10 | 59.00 | 41.00 | 68.66 | 31.34 |
11 | 59.50 | 40.50 | 71.61 | 28.39 |
12 | 60.00 | 40.00 | 74.57 | 25.43 |
13 | 61.00 | 39.00 | 80.48 | 19.52 |
14 | 62.00 | 38.00 | 86.40 | 13.60 |
15 | 63.00 | 37.00 | 92.31 | 7.69 |
16 | 64.30 | 35.70 | 100.00 | 0.00 |
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Ros-Tárraga, P.; Mazón, P.; Meseguer-Olmo, L.; De Aza, P.N. Revising the Subsystem Nurse’s A-Phase-Silicocarnotite within the System Ca3(PO4)2–Ca2SiO4. Materials 2016, 9, 322. https://doi.org/10.3390/ma9050322
Ros-Tárraga P, Mazón P, Meseguer-Olmo L, De Aza PN. Revising the Subsystem Nurse’s A-Phase-Silicocarnotite within the System Ca3(PO4)2–Ca2SiO4. Materials. 2016; 9(5):322. https://doi.org/10.3390/ma9050322
Chicago/Turabian StyleRos-Tárraga, Patricia, Patricia Mazón, Luis Meseguer-Olmo, and Piedad N. De Aza. 2016. "Revising the Subsystem Nurse’s A-Phase-Silicocarnotite within the System Ca3(PO4)2–Ca2SiO4" Materials 9, no. 5: 322. https://doi.org/10.3390/ma9050322