Pulvis zirconiae proprietates habet magnae duritiei, resistentiae altae temperaturae, resistentiae corrosionis chemicae, resistentiae attritionis, parvae conductivitatis thermalis, fortis resistentiae ictui thermali, bonae stabilitatis chemicae, materiae compositae eximia, et cetera. Proprietates materiae augeri possunt combinando zirconiam nanometricam cum alumina et oxido silicii. Nanozirconia non solum in ceramicis structuralibus et ceramicis functionalibus adhibetur. Nanozirconia, variis elementis imbuta, proprietates conductivas habet, in fabricatione electrodorum solidorum accumulatorum adhibetur.
Proprietates physicae
Punctum liquefactionis altissimum
Stabilitas chemica ad altas temperaturas
Expansio thermalis humilis comparata cum metallis
Alta resistentia mechanica
Resistentia abrasionis
Resistentia corrosionis
Conductivitas ionis oxidi (cum stabilizata est)
Inertia chemica
Typus Proprietatum | Genera productorum | ||||
Compositio Chemica | ZrO2 normale | ZrO2 altae puritatis | 3Y ZrO₂ | 5Y ZrO₂ | 8Y ZrO₂ |
ZrO₂ + HfO₂ % | ≥99.5 | ≥99.9 | ≥94.0 | ≥90.6 | ≥86.0 |
Y₂O₃% | ----- | ------ | 5.25±0.25 | 8.8±0.25 | 13.5±0.25 |
Al₂O₃% | <0.01 | <0.005 | 0.25±0.02 | <0.01 | <0.01 |
Fe₂O₃ % | <0.01 | <0.003 | <0.005 | <0.005 | <0.01 |
SiO2% | <0.03 | <0.005 | <0.02 | <0.02 | <0.02 |
TiO2 % | <0.01 | <0.003 | <0.005 | <0.005 | <0.005 |
Compositio Aquae (pondus%) | <0.5 | <0.5 | <1.0 | <1.0 | <1.0 |
LOI (pondus %) | <1.0 | <1.0 | <3.0 | <3.0 | <3.0 |
D50(μm) | <5.0 | <0.5-5 | <3.0 | <1.0-5.0 | <1.0 |
Area superficialis (m²/g) | <7 | 3-80 | VI-XXV | VIII-XXX | VIII-XXX |
Typus Proprietatum | Genera productorum | ||||
Compositio Chemica | 12Y ZrO₂ | Flavus YstabilisZrO₂ | Niger YstabilisZrO₂ | Nano ZrO2 | Thermalis aspergo ZrO₂ |
ZrO₂ + HfO₂ % | ≥79.5 | ≥94.0 | ≥94.0 | ≥94.2 | ≥90.6 |
Y₂O₃% | 20±0.25 | 5.25±0.25 | 5.25±0.25 | 5.25±0.25 | 8.8±0.25 |
Al₂O₃% | <0.01 | 0.25±0.02 | 0.25±0.02 | <0.01 | <0.01 |
Fe₂O₃ % | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 |
SiO2% | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 |
TiO2 % | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 |
Compositio Aquae (pondus%) | <1.0 | <1.0 | <1.0 | <1.0 | <1.0 |
LOI (pondus %) | <3.0 | <3.0 | <3.0 | <3.0 | <3.0 |
D50(μm) | <1.0-5.0 | <1.0 | <1.0-1.5 | <1.0-1.5 | <120 |
Area superficialis (m²/g) | VIII-XV | VI-XII | VI-XV | VIII-XV | 0-30 |
Typus Proprietatum | Genera productorum | |||
Compositio Chemica | CeriumstabilisZrO₂ | Magnesium stabilizatumZrO₂ | ZrO2 calcio stabilizatum | Zircon pulvis compositus aluminii |
ZrO₂ + HfO₂ % | 87.0±1.0 | 94.8±1.0 | 84.5±0.5 | ≥14.2±0.5 |
CaO | ----- | ------ | 10.0±0.5 | ----- |
MgO | ----- | 5.0±1.0 | ------ | ----- |
CeO₂ | 13.0±1.0 | ------ | ------ | ------ |
Y₂O₃% | ----- | ------ | ------ | 0.8±0.1 |
Al₂O₃% | <0.01 | <0.01 | <0.01 | 85.0±1.0 |
Fe₂O₃ % | <0.002 | <0.002 | <0.002 | <0.005 |
SiO2% | <0.015 | <0.015 | <0.015 | <0.02 |
TiO2 % | <0.005 | <0.005 | <0.005 | <0.005 |
Compositio Aquae (pondus%) | <1.0 | <1.0 | <1.0 | <1.5 |
LOI (pondus %) | <3.0 | <3.0 | <3.0 | <3.0 |
D50(μm) | <1.0 | <1.0 | <1.0 | <1.5 |
Area superficialis (m²/g) | 3-30 | VI-X | VI-X | 5-15 |
Productio gemmarum zirconiae ex pulvere zirconiae est campus magni momenti in profunda elaboratione et applicatione zirconiae. Zirconia cubica synthetica est crystallus durus, incolor, et optice sine macula. Propter pretium vile, durabilitatem, et speciem similem adamantibus, gemmae zirconiae cubicae ab anno 1976 fuerunt substitutae maxime importantes pro adamantibus.
Si quas quaestiones habes, nobiscum libere communicare potes.