NiCr 80/20terata ea spray ea mochesoke thepa ea boleng bo holimo e etselitsoeng lits'ebetso tsa ho fafatsa arc. Terata ena e entsoe ka 80% nickel le 20% chromium, e leng se etsang hore e be khetho e ntle bakeng sa ho etsa liphahlo tse hlokang ho hanyetsa mocheso o phahameng, ho hanyetsa mafome le ho hanyetsa oxidation. NiCr 80/20 e sebelisoa haholo liindastering tse fapaneng, ho kenyeletsoa lifofane, tlhahiso ea motlakase, petrochemical le tlhahiso, ho sireletsa le ho tsosolosa libaka, ho ntlafatsa ho hanyetsa ho tsofala, le ho lelefatsa bophelo ba likarolo tsa bohlokoa. Tshebetso ea eona e phahameng libakeng tse thata e etsa hore e be tharollo e tšepahalang bakeng sa lits'ebetso tse hlokang tlhokomelo e ngata.
Ho lokisa bokaholimo hantle ho bohlokoa ho fihlela liphetho tse ntle ka terata ea NiCr 80/20 ea ho fafatsa ka mocheso. Bokaholimo bo tla koaheloa bo lokela ho hloekisoa ka hloko ho tlosa litšila tse kang mafura, oli, litšila le li-oxide. Ho qhomisa ka aluminium oxide kapa silicon carbide ho khothaletsoa ho fihlela ho ba le bokaholimo bo sa tsitsang ba li-micron tse 50-75. Ho netefatsa hore bokaholimo bo hloekileng le bo sa hlakang bo ntlafatsa ho khomarela ha sekwahelo sa ho fafatsa ka mocheso, e leng se lebisang ts'ebetsong e ntlafetseng le ho phela nako e telele.
| Karolo | Sebopeho (%) |
|---|---|
| Nikele (Ni) | 80.0 |
| Chromium (Cr) | 20.0 |
| Thepa | Boleng bo Tloaelehileng |
|---|---|
| Botenya | 8.4 g/cm³ |
| Sebaka sa ho Qhibiliha | 1350-1400°C |
| Matla a tšepe | 700-1000 MPa |
| Bothata | 200-250 HV |
| Khanyetso ea ho ntša oksijene | E babatsehang |
| Ho khanna ha mocheso | 15 W/m·K ho 20°C |
| Mefuta e fapaneng ea ho roala | 0.2 – 2.0 mm |
| Ho ba le masoba | < 1% |
| Ho hanyetsa ho apara | Holimo |
Terata ea NiCr 80/20 e fafatsang mocheso e fana ka tharollo e matla le e sebetsang bakeng sa ho ntlafatsa litšobotsi tsa bokaholimo ba likarolo tse pepesehetseng maemo a feteletseng. Litšobotsi tsa eona tse ikhethang tsa mechini le ho hanyetsa oxidation le ho tsofala li etsa hore e be thepa ea bohlokoa bakeng sa lits'ebetso tse fapaneng tsa indasteri. Ka ho sebelisa terata ea NiCr 80/20 e fafatsang mocheso, liindasteri li ka ntlafatsa haholo ts'ebetso le bophelo ba ts'ebeletso ea lisebelisoa le likarolo tsa tsona.
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