1. He aha ke one seramika?
Hana ʻia ke one ceramic me nā minerala i loaʻa iā Al2O3 a me SiO2 a hoʻohui pū ʻia me nā mea mineral ʻē aʻe. He one spherical foundry i hana ʻia e ka pauka, pelletizing, sintering a me ka grading. ʻO kāna ʻano kristal nui ʻo Mullite a me Corundum, me ke ʻano o ka palaoa pōʻai, ka refractoriness kiʻekiʻe, ka paʻa thermochemical maikaʻi, ka hoʻonui haʻahaʻa haʻahaʻa, ka hopena a me ke kūpaʻa abrasion, nā hiʻohiʻona o ka ʻāpana ikaika. Hiki ke hoʻohana ʻia ke one seramika e hana i nā hoʻoheheʻe kiʻekiʻe e nā ʻano hana hoʻolei one.
2. Wahi noi o ke one seramika
Ua hoʻohana nui ʻia ke one keramika i loko o nā hale kūkulu o nā ʻano ʻenehana foundry, e like me ke one i uhi ʻia i ka resin, ke kaʻina hana paʻakikī ponoʻī (F NB, APNB a me Pep-set), pahu anuanu, pahu wela, 3D paʻi one, a me ke kaʻina hana foam nalowale. .
3. ʻO ke kikoʻī o ke one keramika
Hiki iā SND ke hāʻawi i ke one keramika o nā kikoʻī like ʻole. No ka haku mele ʻana, aia nā one alumini-oxide kiʻekiʻe, nā one alumini-oxide haʻahaʻa a me nā one alumini-oxide haʻahaʻa, e hoʻohana ana i nā mea hoʻolei like ʻole. Loaʻa i nā mea a pau ka puʻupuʻu ākea ākea e hoʻokō i nā koi o ka mea kūʻai.
4. Nā waiwai o ke one keramika
5. Puunaue ka nui o ka ʻāpana
Mesh | 20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | Pan | Lae AFS |
μm | 850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | Pan | |
#400 | ≤5 | 15-35 | 35-65 | 10-25 | ≤8 | ≤2 | 40±5 | ||||
#500 | ≤5 | 0-15 | 25-40 | 25-45 | 10-20 | ≤10 | ≤5 | 50±5 | |||
#550 | ≤10 | 20-40 | 25-45 | 15-35 | ≤10 | ≤5 | 55±5 | ||||
#650 | ≤10 | 10-30 | 30-50 | 15-35 | 0-20 | ≤5 | ≤2 | 65±5 | |||
#750 | ≤10 | 5-30 | 25-50 | 20-40 | ≤10 | ≤5 | ≤2 | 75±5 | |||
#850 | ≤5 | 10-30 | 25-50 | 10-25 | ≤20 | ≤5 | ≤2 | 85±5 | |||
#950 | ≤2 | 10-25 | 10-25 | 35-60 | 10-25 | ≤10 | ≤2 | 95±5 |
6. ʻO ke ʻano o ke one hoʻokumu
ʻElua ʻano o ka one foundry i hoʻohana nui ʻia, kūlohelohe a me ke one.
ʻO nā one foundry maʻamau ʻo ke one silica, ke one chromite, olivine, zircon, ke one ceramic a me nā cerabeads. ʻO ke one ceramic a me nā cerabeads he one kūlohelohe, ʻo nā mea ʻē aʻe he one kūlohelohe.
7. ʻO ka refractoriness o ke one foundry kaulana
Ke one silica: 1713 ℃
Ke one one: ≥1800 ℃
Ke one Chromite: 1900 ℃
ʻOlivine one: 1700-1800 ℃
Ke one Zircon: 2430 ℃
Ka manawa hoʻouna: Mar-27-2023