Is cáithníní beaga sféarúla iad coirníní ocsaíd siorcóiniam, ar a dtugtar coirníní siorcóinia freisin, atá déanta den chuid is mó as ocsaíd siorcóiniam (ZrO2). Is ábhar ceirmeach é ocsaíd siorcóiniam ar a dtugtar a chruas ard, a fhriotaíocht caitheamh, agus a chobhsaíocht theirmeach. Faigheann na coirníní seo feidhmeanna éagsúla i dtionscail éagsúla, go háirithe i bpróiseáil ábhar, sa cheimic, agus i réimsí bithleighis.
| Cineál Airíonna | Cineálacha táirgí | ||||
| Comhdhéanamh Ceimiceach | ZrO2 Gnáth | ZrO2 ard-íonachta | 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 |
| Comhdhéanamh Uisce (wt%) | <0.5 | <0.5 | <1.0 | <1.0 | <1.0 |
| LOI (meáchan%) | <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 |
| Achar dromchla (m2/g) | <7 | 3-80 | 6-25 | 8-30 | 8-30 |
| Cineál Airíonna | Cineálacha táirgí | ||||
| Comhdhéanamh Ceimiceach | 12Y ZrO2 | Buí YcobhsaitheZrO2 | Dubh YcobhsaitheZrO2 | Nano ZrO2 | Teirmeach spraeáil 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 |
| Comhdhéanamh Uisce (wt%) | <1.0 | <1.0 | <1.0 | <1.0 | <1.0 |
| LOI (meáchan%) | <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 |
| Achar dromchla (m2/g) | 8-15 | 6-12 | 6-15 | 8-15 | 0-30 |
| Cineál Airíonna | Cineálacha táirgí | |||
| Comhdhéanamh Ceimiceach | CeiriamcobhsaitheZrO2 | Maignéisiam cobhsaitheZrO2 | ZrO2 cobhsaithe le cailciam | Siorcón púdar ilchodach alúmanaim |
| 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 |
| Comhdhéanamh Uisce (wt%) | <1.0 | <1.0 | <1.0 | <1.5 |
| LOI (meáchan%) | <3.0 | <3.0 | <3.0 | <3.0 |
| D50 (μm) | <1.0 | <1.0 | <1.0 | <1.5 |
| Achar dromchla (m2/g) | 3-30 | 6-10 | 6-10 | 5-15 |
Feidhmchlár Coirníní Zirconia
Seo a leanas cuid de na feidhmeanna suntasacha a bhaineann le hocsaíd shiorcóiniam:
Má tá aon cheist agat, bíodh leisce ort teagmháil a dhéanamh linn.