Taera Whakaroa Poro Ukume Alumina
Ngā Pūāhua Hua
> Te pakeketanga teitei me te pakeketanga Moh 9.
> Te ātete nui ki te pakū me te matū.
> Ngā putunga motuhake kua hangaia kia nui ake te ātete ki te kakahu.
> Mama me ngā rahi rerekē.
Tono
> Whakamahia hei uku whakaroa mō te pūrei.
> I whakamomonatia ki roto i te pepa uku rapa.
> I whakapirihia ki te pepa, ki te hiraka, ki te nairona.
Rahi
| Hua | Roa (mm) | Whānui (mm) | Matotoru tae atu ki te Dimple (mm) |
| Tāera uku me ngā rua e 5 | 20±0.3 | 20±0.3 | 5/6/7/8/9/10 |
| Tāera uku me ngā rua 13 | 20±0.3 | 20±0.3 | 5/6/7/8/9/10 |
| Tāera uku me ngā rua 18 | 20±0.3 | 30±0.5 | 5/6/7/8/9/10 |
| Tāera uku me ngā rua 13 | 25±0.4 | 25±0.4 | 5/6/7/8/9/10 |
Te Hanganga Matū
| Al2O3 | SiO2 | CaO | MgO | Na2O |
| 92~93% | 3~6% | 1~1.6% | 0.2~0.8% | 0.1% |
Ngā Āhuatanga Ā-tinana
| Te taumaha motuhake (g/cc) | >3.60 |
| Te āhua o te pūngao (%) | 0 |
| Kaha Whakapiko (20ºC, Mpa) | 280 |
| Kaha pēhanga (20ºC, Mpa) | 850 |
| Te pakeketanga o Rockwell (HRA) | 80 |
| Te pakeketanga o Vickers (hv) | 1050 |
| Te pakeke o Moh (tauine) | ≥9 |
| Whakawhanuitanga Wera (20-800ºC, x10-6/ºC) | 8 |
| Rahi o te karaihe (μm) | 1.3~3.0 |
Ratonga
Ka whakaaetia e mātou ngā ota ritenga.
Ki te hiahia koe ki te mōhio atu mō ētahi atu kōrero mō te hua, tēnā whakapā mai ki a mātou, ā, ka tukuna atu e mātou te hua tino tika me te ratonga pai rawa atu ki a koe!
Ngā Tohu Hua
Tuhia tō karere ki konei ka tuku mai ki a mātou
