Ohun alumọni nitride ni idapo pelu ohun alumọni carbide kiln ni awọn abuda kan ti agbara iwọn otutu ti o ga, resistance mọnamọna gbona ti o dara, abuku irọrun, resistance ifoyina, ipata ipata, adaṣe igbona ti o dara ati bẹbẹ lọ.
Awọn afihan iṣẹ ṣiṣe akọkọ
Nkan | Firebrik Ìwé | Kiln sipesifikesonu | Atọka ti apẹrẹ ọja |
Porosity ti o han gbangba(%) | <16 | <16 | <14 |
Olopobobo iwuwo(g/cm3) | 2 2.65 | 2 2.65 | 2 2.68 |
Agbara titẹ ni iwọn otutu yara(MPa) | 2160 | 2170 | 2180 |
Agbara atunse ni iwọn otutu yara(1400X:) MPa | 240 | 245 | 245 |
Agbara titẹ iwọn otutu giga(1400r) MPa | 250 | 250 | 250 |
olùsọdipúpọ ti gbona imugboroosi(110CTC)xioVC | <4.18 | <4.18 | <4.18 |
Gbona elekitiriki(1100C) | 216 | 216 | 216 |
Refractories(°C ) | 1800 | 1800 | 1800 |
0.2 MPa Rirọ otutu labẹ fifuye(X:) | 1600 | 1600 | > 1700 |
Iwọn otutu iṣẹ ti o pọju(°C) | 1550 | 1550 | 1550 |
Awọn ọja naa ni lilo pupọ ni kẹkẹ lilọ seramiki, awọn ọja aluminiomu giga, bọọlu tanganran aluminiomu, kiln ile-iṣẹ, seramiki itanna, tanganran ina mọnamọna giga, ohun elo imototo, tanganran ojoojumọ, alloy nitride ati awọn ohun elo foam ati awọn ile-iṣẹ miiran.
Iduro wiwọ ti ohun elo Si3N4-SiC jẹ awọn akoko 3.13 ti irin-sooro irin (Crl5Mo3), ati pe iwuwo jẹ 1/3 nikan ti ti irin-sooro wiwọ (Crl5Mo3).
Awọn iye idinku idinku didara ipata ti Si3N4-SiC ati kalisiomu carbide ati alumina ni ọpọlọpọ awọn solusan jẹ bi atẹle:
Idanwo ojutu | Iwọn otutu ("C) | Si3N4-SiC | Awọn ohun elo amọ ti o wọpọ | Aluminiomu carbide | Aluminiomu ohun elo afẹfẹ |
98%Sulfuric acid | 100 | 1.8 | 55.0 | > 1000 | 65,0 |
50%Iṣuu soda hydroxide | 100 | 2,5 | > 1000 | 5.0 | 75.0 |
53%Hydrofluoric acid | 25 | <0.2 | 7.9 | 8.0 | 20,0 |
85%Phosphoric acid | 100 | <0.2 | 8.8 | 55.0 | > 1000 |
70%Nitric acid | 100 | <0.2 | 0.5 | > 1000 | 7,0 |
45%Potasiomu hydroxide | 100 | <0.2 | > 1000 | 3.0 | 60,0 |
25%Hydrochloric acid | 70 | <0.2 | 0.9 | 85.0 | 72,0 |
10% Hydrofluoric acid + 57% Nitric acid
| 25 | <0.2 | > 1000 | > 1000 | 16,0 |