SiC & Si3N4 Ceramic

氮化硅 Silicon nitride ceramics (Si3N4)

Silicon nitride da silicon carbide ne mai karfi covalent bond mahadi, da irin wannan jiki da kuma sinadaran Properties, silicon nitride hade da silicon carbide kayayyakin da high zafin jiki juriya, lalata juriya, sa juriya, yashwa juriya, hadawan abu da iskar shaka juriya da kuma jerin m Properties.Silicon nitride da silicon carbide a matsayin high-sa refractory kayan a cikin daban-daban yanayi da al'ada amfani da zazzabi iya isa 1500 ℃ ko makamancin haka, yadu amfani da tukwane, non-ferrous karfe, baƙin ƙarfe da karfe karfe, foda karafa, sinadaran masana'antu da sauran masana'antu.

Silicon nitride hade da silicon carbide abu da kuma wadanda ba ferrous karafa ba su kutsawa, kuma yana da kyau rufi Properties, don haka shi ne yadu amfani a samar da wadanda ba ferrous karafa kamar aluminum, jan karfe da zinc, musamman ma manufa abu ga samar da electrolytic cell gefen bango rufi tubali.

Abu

Ƙimar wuta

Ƙayyadaddun Kilin

Fihirisar samfur mai siffa

Bayyanar porosity(%)

<16

<16

<14

Yawan yawa(g/cm3)

2 2.65

2 2.65

2 2.68

Ƙarfin matsewa a zafin jiki(MPa)

2 160

2 170

2 180

Karfin lankwasawa a dakin da zafin jiki(1400X:) MPa

240

245

245

Ƙarfin lanƙwasawa mai girma(1400r) MPa

250

250

250

Coefficient na thermal fadadawa(Saukewa: CTC110)xioVC

<4.18

<4.18

<4.18

Ƙarfafawar thermal(1100C)

216

216

216

Refractories(°C )

1800

1800

1800

0.2 MPa Zazzabi mai laushi a ƙarƙashin kaya(X:)

1600

1600

> 1700

Matsakaicin zafin aiki(°C)

1550

1550

1550