Zoben Alumina mai inganci don rufewa, rufewa & gyarawa
An yi amfani da zoben yumbu na St.Cera da inganci daga alumina mai ƙarfi 99.8% (Al₂O₃) don aikace-aikacen da ke buƙatar juriya mai ƙarfi, rufin lantarki, da kwanciyar hankali na zafi har zuwa 1600°C. Ƙarfin masana'antarmu yana tallafawa diamita na waje har zuwa 600mm, kauri har zuwa 100mm, da diamita na ciki ƙanana kamar 0.2mm, tare da faɗin 0.003mm, daidai gwargwado na 0.002mm, da kuma daidaito na 0.01mm. Akwai su azaman zoben hatimi, zoben sarari, zoben riƙewa, ko bayanan martaba na musamman. Sifili porosity da rashin ƙarfin sinadarai na kayan sun sa ya dace da yanayin sinadarai da plasma mai ƙarfi.
Bayani dalla-dalla (bisa ga 99.8% Al₂O₃& Ƙarfin masana'antu na St.Cera):
| Kadara | darajar |
| Kayan Aiki | 99.8% Alumina (Ivory) |
| Yawan yawa | 3.93 g/cm³ |
| Ƙarfin Lankwasawa | 361 MPa |
| Taurin Vickers | 16 GPA |
| Ƙarfin Dielectric | 15×10⁶ V/m |
| Matsakaicin Diamita na Waje | 600mm |
| Ƙaramin Diamita na Ciki | 0.2mm |
| Mafi girman kauri | 100mm |
| Faɗi | 0.003mm |
| Daidaito tsakanin mutane | 0.002mm |
| Mai da hankali sosai | 0.01mm |
| Ƙarshen Fuskar | Ra0.1 (an yi amfani da shi) |
| Matsakaicin Yanayin Aiki | 1600°C |
Aikace-aikace:
- · Zoben hatimin injina a cikin famfo da mahaɗa
- · Zoben sarari da riƙewa a cikin kayan haɗin semiconductor
- · Zoben rufewa na lantarki a cikin kayan aikin wutar lantarki mai ƙarfi
- · Zoben rufe ɗakin injin (tare da gasket mai dacewa)
Daidaiton Masana'antu:
Daidaito: 0.005mm, madaidaici: 0.005mm, zagaye: 0.002mm, an tabbatar da CMM.
Fa'idodi:
- · Ba shi da maganadisu, ba ya da wutar lantarki, kuma yana jure tsatsa
- · Babu samar da barbashi - ya dace da amfani da ɗakin tsaftacewa
- · Yana kiyaye daidaiton girma a ƙarƙashin zagayowar zafi
Keɓancewa:
Sassa na musamman (kusurwoyi huɗu, murabba'i, matakala), ramukan hawa, da kuma wuraren da ake samun ramuka.








