ʻO nā olonā keramika kūpaʻa ʻole he ʻano mea porous ʻano ʻole me ka hoʻonohonoho micro spatial paʻakikī. He ʻano maʻamau a hoʻoponopono ʻole ka hoʻopili ʻana o nā olonā, a ʻo kēia ʻano geometric ʻano ʻole e alakaʻi ai i ka ʻokoʻa o ko lākou mau waiwai kino.
Ka nui o ka fiber
ʻO nā olonā keramika refractory i hana ʻia e ke ʻano hoʻoheheʻe aniani, hiki ke manaʻo ʻia ka nui o nā olonā e like me ka nui maoli. Ke 1260 ℃ ka mahana hoʻokaʻawale, ʻo 2.5-2.6g/cm3 ka nui o nā olonā refractory, a i 1400 ℃ ka mahana hoʻokaʻawale, ʻo 2.8g/cm3 ka nui o nā olonā keramika refractory. ʻOkoʻa ka nui maoli o nā olonā polycrystalline i hana ʻia me ka alumini oxide ma muli o ke alo o nā pores micro ma waena o nā ʻāpana microcrystalline i loko o nā olonā.
Anawaena o ka fiber
ʻO ke anawaena o ka fibernā olonā keramika paʻakikīʻO ka hana ʻana o ke ʻano hoʻoheheʻe hoʻoheheʻe wela kiʻekiʻe mai 2.5 a 3.5 μm. ʻO ke anawaena o ka fiber o nā olonā keramika refractory i hana ʻia e ke ʻano milo wikiwiki wela kiʻekiʻe he 3-5 μm. ʻAʻole mau ke anawaena o nā olonā refractory i loko o kēia pae, a ʻo ka hapa nui o nā olonā ma waena o 1-8 μm. Hoʻopilikia pololei ke anawaena o nā olonā keramika refractory i ka ikaika a me ka conductivity thermal o nā huahana fiber refractory. Ke nui ke anawaena o ka fiber, paʻakikī nā huahana fiber refractory i ka wā e hoʻopā ai, akā ʻo ka hoʻonui ʻana o ka ikaika e hoʻonui pū i ka conductivity thermal. I nā huahana fiber refractory, ʻo ka conductivity thermal a me ka ikaika o nā olonā he inversely proportional. ʻO ke anawaena awelika o ka alumina polycrystalline he 3 μm. ʻO ke anawaena o ka hapa nui o nā olonā keramika refractory ma waena o 1-8 μm.
Ka manawa hoʻouna: Mei-04-2023
