Silicon nitride jikọtara ya na silicon carbide kiln nwere njirimara nke ike dị elu nke okpomọkụ, ezigbo nguzogide ujo, nrụrụ dị mfe, nguzogide oxidation, nguzogide corrosion, ezigbo ọkụ ọkụ na ihe ndị ọzọ.
![Brick na-atụgharị (4)](http://cdn.globalso.com/semi-cera/Refractory-Brick-4.png)
Ihe ngosi arụmọrụ isi
Ihe | Ndekọ ọkụ brik | Nkọwa nke Kiln | Index nke ngwaahịa akpụrụ akpụ |
Porosity pụtara(%) | <16 | <16 | <14 |
Nnukwu njupụta(g/cm3) | 2 2.65 | 2 2.65 | 2 2.68 |
Ike mkpakọ na ụlọ okpomọkụ(MPa) | 2160 | 2170 | 2180 |
Ike na-ehulata na ọnụ ụlọ okpomọkụ(1400X:) MPa | 240 | 245 | 245 |
Ike na-ehulata okpomọkụ dị elu(1400r) MPa | 250 | 250 | 250 |
Ọnụọgụ nke mgbasawanye thermal(110CTC)xioVC | <4.18 | <4.18 | <4.18 |
Thermal conductivity(1100C) | 216 | 216 | 216 |
Refractories(°C ) | 1800 | 1800 | 1800 |
0.2 MPa Ọnọdụ okpomọkụ dị nro n'okpuru ibu(X:) | 1600 | 1600 | > 1700 |
Okpomọkụ kachasị arụ ọrụ(°C) | 1550 | 1550 | 1550 |
A na-eji ngwaahịa ndị a na-eji seramiiki egweri, ngwaahịa aluminom dị elu, bọọlụ aluminom, kiln ụlọ ọrụ, seramiiki eletrọnịkị, igwe eletriki eletrik dị elu, ihe dị ọcha, poselin kwa ụbọchị, nitride alloy na ceramics foam na ụlọ ọrụ ndị ọzọ.
Nkwụsi ike nke ihe Si3N4-SiC bụ 3.13 ugboro nke ígwè na-eguzogide iyi (Crl5Mo3), na ịdị arọ bụ naanị 1/3 nke ígwè na-eguzogide ọgwụ (Crl5Mo3).
The corrosion eguzogide àgwà mbelata ụkpụrụ nke Si3N4-SiC na calcium carbide na alumina dị iche iche ngwọta bụ dị ka ndị a:
Ngwọta ule | Okpomọkụ ("C) | Si3N4-SiC | ceramik nkịtị | Aluminom carbide | Aluminom oxide |
98%Sulfuric acid | 100 | 1.8 | 55.0 | > 1000 | 65,0 |
50%Sodium 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%Potassium 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 |
![Ngwongwo ụlọ ọkụ (7)](http://cdn.globalso.com/semi-cera/Kiln-Furniture-7.png)
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