Silicon nitride ndeye grey ceramic ine yakakwira kuputsika kusimba, yakanakisa kupisa kutyisa kuramba, uye zvisingapindike zvivakwa kune simbi dzakanyungudutswa.
Uchishandisa hunhu uhwu, inoiswa kune emukati mejini injini sezvikamu zvemotokari, welding muchina blowpipe nozzles, nezvimwewo, kunyanya zvikamu zvinoda kushandiswa munzvimbo dzakaoma sekupisa.
Nekupokana kwayo kwepamusoro uye kusimba kwemagetsi, mashandisirwo ayo mukutakura zvikamu zvemaroller, inotenderera shaft mabhengi uye semiconductor yekugadzira michina yekugadzira masipire ari kuramba achiwedzera.
Zvivakwa zvesilicon nitride ceramics
1, ine simba rakakwirira mune yakakura tembiricha renji;
2, kuomarara kwakanyanya kwekutsemuka;
3, simba rekukotama rakanaka;
4, kuramba kuneta kwemagetsi uye kukambaira;
5, chiedza - low density;
6, kuoma kwakakwirira uye kupfeka kuramba;
7, yakanakisa yekupisa kuvhunduka kuramba;
8, kuderera kwekuwedzera kwekushisa;
9, insulator yemagetsi;
10, yakanaka oxidation kuramba;
11, yakanaka makemikari corrosion kuramba.
Silicon nitride ceramics ine yakaderera thermal yekuwedzera coefficient uye yakakwira yekupisa conductivity, saka ivo vane yakanakisa kupisa kutyisa kuramba.Iyo inopisa-yakadzvanywa sintered silicon nitride haizoputsika mushure mekupisa kusvika 1000 ℃ uye kuiswa mumvura inotonhora.Pakunyanya kupisa tembiricha, silicon nitride ine simba rakawanda uye kupikisa kwemaitiro, asi pamusoro pe1200 ℃ ichakuvadzwa nekukura kwekushandisa nguva, kuitira kuti simba rayo rideredze, kukonzeresa kuneta kukuvadzwa pamusoro pe1450 ℃, saka kushandiswa. yeSi3N4 tembiricha kazhinji haipfuure 1300 ℃.
Naizvozvo, silicon nitride yakashandiswa zvakanyanya mu:
1. Kutenderera bhora uye roller bearings;
2. Engine components: valve, rocker arm pad, chisimbiso pamusoro;
3. Induction heat coil bracket;
4. Turbine blades, mashizha, migomo;
5. Welding uye brazing zvigadziriso;
6. Kupisa chinhu musangano;
7. Welding positioner;
8. Precision shafts uye sleeve munzvimbo dzakakwirira-kupfeka;
9. Thermocouple sheath uye chubhu;
10. Semiconductor process equipment.
