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Setene sa corundum se kopantsoeng

Setene sa corundum se kopantsoeng

Melemo ea lihlahisoa: matla a phahameng a mocheso o phahameng (ho fihlela ho 340MPa), mocheso o phahameng oa ho nolofatsa (mocheso oa pele o nolofatsang ho feta 1700 ° C), botsitso bo botle ba lik’hemik’hale, acid e ntle le slag ea alkali, tšepe e qhibilihisitsoeng le khanyetso ea khalase.

Ts’ebeliso ea sehlahisoa: Ts’ebeliso ea mantlha ea litene tsa α tsa corundum ke li-kilos tsa khalase ea borosilicate, mabanta a sintering a phahameng a mocheso, mabili a graphite a halikiloeng a sebetsoang, lisepa tse sa sebetseng tsa tšepe, joalo-joalo. karolo ea tlhakiso, karolo e pholileng, letangoana la ts’ebetso, jj. ea li-kilns tsa khalase. Ntle le moo, litene tsa α-β corundum tse sebelisitsoeng le tsona li sebelisoa siling le sebopeho se kaholimo sa sebopi sa khalase, limathi tse tsoelang pele tsa ho lahla barekisi le litselana tsa ho futhumatsa li-slide. Litene tse betliloeng tsa beta corundum li ka sebelisoa feela mohahong o kaholimo oa sebōpi sa khalase ka lerōle la SO2, joalo ka sebopeho se kaholimo sa letamo le sebetsang, lebota la matsoele haufi le boapeelo, boapeelo ba sebopi se senyenyane, lebota le leketlileng joalo-joalo .

Tlhaloso ea Sehlahisoa

Karolo ea mantlha ea kristale ea litene tsa corundum e kopantsoeng ke corundum, ‘me litaba tsa Al2O3 ka kakaretso li phahame ho feta 93%. Khanyetso ea mocheso oa litene tse kopantsoeng tsa corundum e amana haufi le ‘mele. Lihlahisoa tse teteaneng tsa corundum li na le ts’ireletso e ntle ea ts’enyeho, empa li hanyetsoa hampe ka mocheso. Litene tse kopantsoeng tsa corundum li ka aroloa ka likotoana tsa litene tsa α tsa corundum, litene tsa α-β corundum le litene tse fused β corundum.

Litšobotsi tsa litene tsa corundum tse fusitsoeng:

1. Matla a phahameng a tlatsetsang mocheso oa kamore (ho fihlela 340MPa)

2. Mocheso o nolofatsang mojaro o phahameng (mocheso oa pele o nolofatsang o phahame ho feta 1700 ℃)

3. Ho ba le botsitso bo botle ba lik’hemik’hale

4. Ho hanyetsa hantle acid le slag ea alkali, tšepe e qhibilihisitsoeng le khalase

projeke α-Corundum Setene Litene tsa Corundum ick Setene sa Corundum
SiO2%
Al2O3% > 99 > 94 > 94
Fe2O3%
Na2O% <7
MgO%
TiO2%
Kamoo ho bonahalang kateng porosity% 0 ~ 20 0 ~ 5 5 ~ 15
Boima ba bongata g / cm3 > 3.8 > 3.4 > 3.0
Flexural matla Mpa > 70 > 150 > 20
Refactoriness ℃ > 1900