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Amatafari ya Bubble Alumina Amatafari yo gutanura inganda
Ibiranga
Amatafari ya alumina yububiko afite ibintu byinshi byihariye:
1. ** Gukwirakwiza Ubushyuhe Bwinshi **:Ubushyuhe buke bwumuriro butuma bakora insulator nziza, bikagabanya gutakaza ubushyuhe mubushyuhe bwo hejuru.
2. ** Isuku ryinshi **:Yakozwe muri alumina-yera cyane, aya matafari atanga imikorere isumba izindi mubihe bikabije.
3. ** Umucyo woroshye **:Kwinjizamo ibibyimba bya alumina bigabanya ubucucike muri rusange, bigatuma amatafari yoroshye kandi yoroshye kuyakora no kuyashyiraho.
4. ** Kurwanya Ubushyuhe Bwinshi **:Barashobora kwihanganira ubushyuhe bwo hejuru cyane, hejuru ya 1800 ° C, bigatuma bukoreshwa mu ziko ry’ubushyuhe bwo hejuru hamwe n’itanura.
5. ** Kurwanya Ruswa **:Bafite imbaraga zo kurwanya ibitero bya shimi, cyane cyane bivuye ku byuma no mu byuma bishongeshejwe.
6. ** Kwiyongera k'ubushyuhe buke **:Iyi mikorere ifasha kugumana uburinganire bwimiterere kandi igabanya ibyago byo gucika munsi yumukino wo gusiganwa ku magare.
7. ** Imbaraga za mashini **:Nubwo yoroheje, itanga imbaraga zumukanishi nigihe kirekire mubikorwa.
Ibiranga bituma amatafari ya alumina amatafari afite akamaro kanini mu nganda nka metallurgie, ceramics, no gukora ibirahure.
Porogaramu isanzwe
Ikoreshwa cyane mu nganda nka metallurgical, inganda, ubukorikori, peteroli, ibirahure, amashanyarazi, nibindi. itanura ry'amashanyarazi, n'ibindi.
Ibipimo bisanzwe
Ibintu | BA-85 | BA-90 | BA90-1.2 | BA-99 | BA-993 | |
Ubushyuhe bwa serivisi | ℃ | 1750 | 1800 | 1800 | 1850 | 1850 |
AI2O3 | % | 85 | 90 | 91.2 | 99 | 99.3 |
SiO2 | % | 14 | 8 | 8 | 0.2 | 0.15 |
Fe2O3 | % | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 |
Ubucucike bwinshi | g / cm3 | 1.4-1.9 | 1.4-1.9 | 1.2 | 1.4-1.8 | 1.4-1.8 |
Imbaraga zo gukonjesha | Mpa | 18 | 15 | 11.9 | 15 | 12 |
Kuvunika munsi yumutwaro (0.1 MPa, 0,6%) | ° C. | ≥ 1700 | ≥ 1700 | ≥ 1700 | ≥ 1700 | ≥ 1700 |
Gushyushya Guhindura Umurongo (1650 ° C x 12h) | % | ± 0.3 | ± 0.2 | ± 0.2 | -0.25 | -0.25 |
Coefficient yo kwagura ubushyuhe x10-6 Icyumba temp. kugeza kuri 1300 ° C. | 7.8 | 8 | 8 | 8.6 | 8.6 | |
Ubushyuhe bwumuriro (Impuzandengo ya 800 ° C) | W / m · K. | 0.55 | 0.6 | 0.21 | 0.75 | 0.75 |