Hana ʻia ka corundum keʻokeʻo ma lalo o nā kūlana wela ma luna o 2000 degere.Ma o nā kaʻina hana he nui e like me ka ʻoki ʻana, ka hoʻohua ʻana a me ke kānana ʻana, ʻoi aku ka maikaʻi ma ka helehelena a me ka paʻakikī ma ke ʻano he mea hoʻohana nui ʻia.ʻAʻole kiʻekiʻe wale ka corundum keʻokeʻo i ka paʻakikī, akā he brittle hoʻi i ke ʻano, ikaika i ka mana ʻoki.He hana maikaʻi nō hoʻi ia i ka insulation, ka hoʻomaʻamaʻa ponoʻī, ka pale ʻana a me ka conductivity thermal.I kēia manawa, kū'ē ia i kaʻakika a me ka alkali corrosion a me ka wela kiʻekiʻe.No laila, ma ke ʻano he mea paʻakikī loa, loaʻa i ka corundum keʻokeʻo nā waiwai maikaʻi loa.
Nā waiwai kino maʻamau
ʻoʻoleʻa | 9.0 mau mahina |
kala kala | keʻokeʻo |
ʻAno huapalaoa | angular |
Lae hehee | ca.2250 °C |
ʻO ka wela lawelawe kiʻekiʻe | ca.1900 °C |
Kaumaha kiko | ca.3.9 g/cm3 |
ʻAno nui | ca.3.5g/cm3 |
ʻIkepili kino maʻamau
Keʻokeʻo Fused Alumina Macro | Fuse Keʻokeʻoalumina pauda |
Al2O3 | 99.5% | 99.5% |
Na2O | 0.35% | 0.35% |
Fe2O3 | 0.1% | 0.1% |
SiO2 | 0.1% | 0.1% |
CaO | 0.05% | 0.05 % |
NUI LOA
Keʻokeʻo huila alumina Macro
PEPA | Ka nui o ka palaoa (μm) |
F 020 | 850 – 1180 |
F 022 | 710 – 1000 |
F 024 | 600 – 850 |
F 030 | 500 – 710 |
F 036 | 425 – 600 |
F 040 | 355 – 500 |
F 046 | 300 – 425 |
F 054 | 250 – 355 |
F 060 | 212 – 300 |
F 070 | 180 – 250 |
F 080 | 150 – 212 |
F 090 | 125 – 180 |
F 100 | 106 – 150 |
F 120 | 90 – 125 |
F 150 | 63 – 106 |
F 180 | 53 – 90 |
F 220 | 45 – 75 |
F240 | 28 – 34 |