Silig buufin kuleyl ah oo NiAl 95/5 ah waa qalab dahaar sare leh oo loogu talagalay gaar ahaan codsiyada buufinta qaansada. Waxay ka kooban tahay 95% nikkel iyo 5% aluminium, dahaarkan waxaa caan ku ah sifooyinka dhegdheg ee aadka u fiican, iska caabbinta oksaydhka, iyo xasilloonida heerkulka sare. Waxaa si weyn loogu isticmaalaa warshado kala duwan si loo ilaaliyo loona soo celiyo dusha sare, loo xoojiyo iska caabbinta xirashada, loona dheereeyo cimriga qaybaha muhiimka ah. Silig buufin kuleyl ah oo NiAl 95/5 ah ayaa ku habboon codsiyada hawada sare, baabuurta, iyo qaybaha warshadaha halkaas oo cimriga iyo waxqabadka ay yihiin kuwa ugu muhiimsan.
Si loo gaaro natiijooyin wanaagsan oo leh silig buufin kuleyl ah oo NiAl 95/5 ah, diyaarin habboon oo dusha sare ah ayaa lagama maarmaan ah. Dusha sare ee la dahaadhayo waa in si fiican loo nadiifiyaa si looga saaro wasakhda sida dufanka, saliidda, wasakhda, iyo oksaydhyada. Gubashada jajabka oo leh aluminium oksaydh ama silicon carbide ayaa lagu talinayaa si loo gaaro qallafsanaanta dusha sare ee 50-75 microns. Dusha sare ee nadiifka ah oo qallafsan waxay hubisaa in si fiican loo dhejiyo dahaarka buufinta kulaylka, taasoo horseedaysa waxqabad la xoojiyay iyo cimri dheer oo qaybaha la daweeyay ah.
| Walax | Halabuurka (%) |
|---|---|
| Nikkel (Ni) | 95.0 |
| Aluminium (Al) | 5.0 |
| Hantida | Qiimaha Caadiga ah |
|---|---|
| Cufnaanta | 7.8 g/cm³ |
| Barta Dhalmada | 1410-1440°C |
| Xoog Xadhig ah | 55 MPa (8000 psi) |
| Adkaanta | 75 HRB |
| Iska caabinta oksaydhka | Aad u fiican |
| Qaboojinta Kulaylka | 70 W/m·K |
| Kala duwanaanshaha dhumucda dahaadhka | 0.1 – 2.0 mm |
| Daloolada daloolsan | < 2% |
| Xidho Iska caabinta | Sare |
Siligga buufinta kuleylka ee NiAl 95/5 waa xal heer sare ah oo lagu xoojinayo waxqabadka dusha sare iyo cimri dhererka. Sifooyinka farsamada ee sare iyo iska caabbinta oksaydhka iyo xirashada ayaa ka dhigaya agab qiimo leh oo loogu talagalay codsiyada kala duwan ee adag. Iyadoo la adeegsanayo siligga buufinta kulaylka ee NiAl 95/5, warshaduhu waxay si weyn u horumarin karaan nolosha adeegga iyo isku halaynta qaybahooda.
150 0000 2421