Aluminium e sa thupeng e ka khahloang
Lintlha tsa motheo tsa aluminium e sa thupeng tse lahleloang
Letoto lena la lisebelisoa ke mofuta o mocha oa thepa e nang le lihlahisoa tse tlaase tsa samente le motsoako oa phofo ea ultrafine e thehiloeng holim'a mullite e phahameng ea bohloeki, andalusite le sillimanite.Ka lebaka la motsoako oa lisebelisoa tse tala tse phahameng le phofo e ntle haholo, letoto lena la lisebelisoa le na le bongata bo bongata, matla a phahameng, le botsitso bo botle ba mocheso oa mocheso.Letsoai, joalo-joalo), e ka fokotsa haholo mongobo oa aluminium le li-alloys le slag ho thepa ea refractory, le ho ntlafatsa ho hanyetsa ha kutu, ho hanyetsa khoholeho ea mobu, le ho se khomarele thepa ea aluminium refractory ho mokelikeli oa aluminium o nang le likarolo tsa lik'hemik'hale tse kang letsoai le ho phalla.Mosebetsi oa slag le slag o thibela aluminium le li-alloys le slag hore li se ke tsa kenella ka har'a thepa ea refractory, ho lelefatsa bophelo ba lesela la sebōpi.E loketse libopi tse qhibilihang, libopi tse sa fetoheng, lihlatsoetso, masela a koahetsoeng ka aluminium.
2. Matšoao a ts'ebetso ea tekheniki:
| Lintho | GMJ-A | GMJ-AP | GMJ-GP | |
| Index | ||||
| Al2O3％ | 65 | 70 | 75 | |
| Boima ba bongata g/cm3≥ | 2.4 | 2.65 | 2.75 | |
| Matla a hatellang Mpa≥ | 110℃×24h | 40 | 45 | 45 |
| 1300℃×16h | 45 | 50 | 55 | |
| Flexural matla Mpa≥ | 110℃×24h | 12 | 15 | 15 |
| 1300℃×16h | 14 | 18 | 18 | |
| sekhahla sa phetoho％1300℃×3h | ±0.1 | ±0.1 | ±0.1 | |
| Lethathamo la kopo | Monyako oa sebōpi, foreimi ea monyako oa sebōpi, letsoapo la ho tlosa slag, sekepe sa ho ntša metsi | |||
| Litšobotsi tsa lintho tse bonahalang | Matla a phahameng, khanyetso e phahameng ea ho apara, ho hanyetsa tšusumetso, ho hanyetsa ho peeling | |||
Matšoao a ts'ebetso ea 'mele le ea lik'hemik'hale ea li-non-stick aluminium micro-expansion refractory castable:
| Lintho | BWJ-1 | BWJ-1A | BWJ-M | BWJ-F | BWJ-G | |
| Index | ||||||
| ChemicalElement％ | Al2O3≥ | 60 | 65 | 65 | 70 | 80 |
| Fe2O3≤ | 0.6 | 0.5 | 0.4 | 0.4 | 0.3 | |
| BaO+ZnO+B2O3≥ | 3 | 3 | 3 | 4 | 4 | |
| Boima ba bongata g/cm3≥ | 2.4 | 2.5 | 2.65 | 2.7 | 2.8 | |
| Matla a hatellang Mpa≥ | 110℃×24h | 35 | 40 | 40 | 45 | 45 |
| 1300℃×16h | 40 | 45 | 45 | 50 | 50 | |
| Flexural matla Mpa≥ | 110℃×24h | 5 | 10 | 10 | 12 | 14 |
| 1300℃×16h | 10 | 13 | 13 | 15 | 16 | |
| sekhahla sa phetoho％1300℃×3h | 0+0.2 | 0+0.2 | 0+0.2 | 0+0.1 | 0+0.1 | |
| Lethathamo la kopo | Sebōpi se qhibilihang sa aluminium, marulelo a sebōpi, lerako la sebōpi, tlase ea sebōpi, boema-kepe ba ho lahla, aluminium ladle, Launders, mabokose a degassing, joalo-joalo. | |||||
| Litšobotsi tsa lintho tse bonahalang | Botšepehi ba lintho tse bonahalang, matla a phahameng, ho hanyetsa kutu, ho hanyetsa ho senya, ho hanyetsa ho kenella, botsitso bo botle ba mocheso, ha ho aluminium, ha ho slag. | |||||
