Ihe | Chemical Ngwakọta (ụmụ irighiri oke)/% | Nnukwu njupụta g/cm³ | Nke pụtara porosity% | Refractoriness ℃ | Oge 3Al2O3.2SiO2 (irighiri oke)/% | |||
Al₂O₃ | TiO₂ | Fe₂O₃ | Na₂O+K₂O | |||||
SM75 | 73-77 | ≤0.5 | ≤0.5 | ≤0.2 | ≥2.90 | ≤3 | 180 | ≥90 |
SM70-1 | 69-73 | ≤0.5 | ≤0.5 | ≤0.2 | ≥2.85 | ≤3 | 180 | ≥90 |
SM70-2 | 67-72 | ≤3.5 | ≤1.5 | ≤0.4 | ≥2.75 | ≤5 | 180 | ≥85 |
SM60-1 | 57-62 | ≤0.5 | ≤0.5 | ≤0.5 | ≥2.65 | ≤5 | 180 | ≥80 |
SM60-2 | 57-62 | ≤3.0 | ≤1.5 | ≤1.5 | ≥2.65 | ≤5 | 180 | ≥75 |
S-Sintered;M-Mulite;-1: ọkwa 1
Ihe atụ: SM70-1, Sintered Mullite, Al₂O₃:70%;Ngwaahịa ọkwa 1
Ọ bụ ezie na mullite dị ka ịnweta sitere n'okike, ihe na-eme na okike dị oke ụkọ.
Ụlọ ọrụ ahụ na-adabere na mullites sịntetik nke a na-enweta site na agbaze ma ọ bụ 'calcining' dị iche iche alumino-silicates dị ka kaolin, ụrọ, adịkarịghị andalusite ma ọ bụ ezigbo silica na alumina na okpomọkụ dị elu.
Otu n'ime ihe kacha mma sitere n'okike nke mullite bụ kaolin (dị ka ụrọ kaolinic).Ọ dị mma maka mmepụta nke refractories dị ka brik na-agba ọkụ ma ọ bụ nke a na-ejighị ọkụ, ihe nkedo na ngwakọta plastik.
A na-ejikarị mullite na-emekọ ihe na fused mullite eme ihe maka mmepụta nke refractories na nkedo nke ígwè na titanium alloys.
• Ezi nguzogide na-akpụ akpụ
• Mgbasa ọkụ dị ala
• conductivity nke thermal dị ala
• Nkwụsi ike kemịkalụ dị mma
• Magburu onwe temome-mechanical kwụsie ike
• Magburu onwe okpomọkụ ujo eguzogide
• obere porosity
• N'iji ya dị fechaa
• Nguzogide oxidation