NiCr 80/20waya wopopera kutenthaNdi chinthu chapamwamba kwambiri chomwe chapangidwira ntchito yopopera arc. Waya uwu umapangidwa ndi 80% nickel ndi 20% chromium, zomwe zimapangitsa kuti ukhale chisankho chabwino kwambiri popanga zokutira zomwe zimafuna kukana kutentha kwambiri, kukana dzimbiri, komanso kukana okosijeni. NiCr 80/20 imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana, kuphatikizapo ndege, kupanga magetsi, petrochemical, ndi kupanga, kuteteza ndikubwezeretsa malo, kuwonjezera kukana kuwonongeka, ndikuwonjezera moyo wa zinthu zofunika kwambiri. Kuchita bwino kwake bwino kwambiri m'malo ovuta kumapangitsa kuti ikhale yankho lodalirika pa ntchito zovuta.
Kukonzekera bwino malo ndikofunikira kwambiri kuti mupeze zotsatira zabwino pogwiritsa ntchito waya wothira kutentha wa NiCr 80/20. Malo oti aphimbidwe ayenera kutsukidwa mosamala kuti achotse zinthu zodetsa monga mafuta, mafuta, dothi, ndi ma oxide. Kuthira grit ndi aluminium oxide kapena silicon carbide kumalimbikitsidwa kuti pakhale kuuma kwa pamwamba kwa ma microns 50-75. Kuonetsetsa kuti malo oyera komanso ouma kumawonjezera kumatirira kwa thermal spray, zomwe zimapangitsa kuti ntchito ikhale yabwino komanso kuti ikhale yokhalitsa.
| Chinthu | Kapangidwe (%) |
|---|---|
| Nikeli (Ni) | 80.0 |
| Chromium (Cr) | 20.0 |
| Katundu | Mtengo Wamba |
|---|---|
| Kuchulukana | 8.4 g/cm³ |
| Malo Osungunuka | 1350-1400°C |
| Kulimba kwamakokedwe | 700-1000 MPa |
| Kuuma | 200-250 HV |
| Kukana kwa okosijeni | Zabwino kwambiri |
| Kutentha kwa Matenthedwe | 15 W/m·K pa 20°C |
| Kuphimba makulidwe osiyanasiyana | 0.2 – 2.0 mm |
| Kuyenda pang'onopang'ono | < 1% |
| Kuvala kukana | Pamwamba |
Waya wopopera kutentha wa NiCr 80/20 umapereka yankho lolimba komanso lothandiza pakukweza mawonekedwe a pamwamba pa zinthu zomwe zili ndi vuto lalikulu. Makhalidwe ake apadera amakina komanso kukana okosijeni ndi kuwonongeka zimapangitsa kuti ikhale chinthu chamtengo wapatali kwambiri pa ntchito zosiyanasiyana zamafakitale. Pogwiritsa ntchito waya wopopera kutentha wa NiCr 80/20, mafakitale amatha kusintha kwambiri magwiridwe antchito ndi moyo wautumiki wa zida ndi zida zawo.
150 0000 2421