I-NiCr 80/20ucingo lokufutha olushisayoiyinto esezingeni eliphezulu eyenzelwe ukusetshenziswa kokufutha nge-arc. Le ntambo yenziwe nge-nickel engu-80% kanye ne-chromium engu-20%, okwenza kube ukukhetha okuhle kakhulu kokudala izembozo ezidinga ukumelana nokushisa okuphezulu, ukumelana nokugqwala, kanye nokumelana nokushiswa kwe-oxidation. I-NiCr 80/20 isetshenziswa kabanzi ezimbonini ezahlukahlukene, kufaka phakathi izindiza, ukukhiqizwa kwamandla, i-petrochemical, kanye nokukhiqiza, ukuvikela nokubuyisela izindawo, ukuthuthukisa ukumelana nokuguguleka, kanye nokwandisa isikhathi sokuphila kwezingxenye ezibalulekile. Ukusebenza kwayo okuphezulu ezindaweni ezinzima kwenza kube yisisombululo esithembekile sezicelo ezidinga amandla.
Ukulungiswa kwendawo efanele kubalulekile ukuze kutholakale imiphumela emihle ngentambo yokufutha eshisayo ye-NiCr 80/20. Indawo ezofuthwa kufanele ihlanzwe ngokucophelela ukuze kususwe ukungcola okufana namafutha, uwoyela, ukungcola, nama-oxide. Ukufutha i-grit nge-aluminium oxide noma i-silicon carbide kuyanconywa ukuze kufezwe ubulukhuni bendawo obungama-micron angu-50-75. Ukuqinisekisa ukuthi indawo ehlanzekile nehlungiwe kuthuthukisa ukunamathela kwengubo yokufutha eshisayo, okuholela ekusebenzeni okuthuthukisiwe kanye nokuphila isikhathi eside.
| Isici | Ukwakheka (%) |
|---|---|
| I-Nickel (Ni) | 80.0 |
| I-Chromium (Cr) | 20.0 |
| Impahla | Inani Elijwayelekile |
|---|---|
| Ubuningi | 8.4 g/cm³ |
| Indawo Yokuncibilika | 1350-1400°C |
| Amandla Okudonsa | 700-1000 MPa |
| Ubulukhuni | 200-250 HV |
| Ukumelana ne-Oxidation | Kuhle kakhulu |
| Ukuqhuba Okushisayo | 15 W/m·K ku-20°C |
| Ububanzi Bokujiya Kokumboza | 0.2 – 2.0 mm |
| Ukubhoboka kwe-Porosity | < 1% |
| Ukumelana Nokugqoka | Phezulu |
Intambo yokufutha eshisayo ye-NiCr 80/20 inikeza ikhambi eliqinile nelisebenzayo lokuthuthukisa izakhiwo ezingaphezulu zezingxenye ezivezwe ezimweni ezimbi kakhulu. Izakhiwo zayo eziyingqayizivele zemishini kanye nokumelana nokugqwala nokubola kwenza kube yinto ebaluleke kakhulu ezisetshenziswa ezimbonini ezahlukahlukene. Ngokusebenzisa intambo yokufutha eshisayo ye-NiCr 80/20, izimboni zingathuthukisa kakhulu ukusebenza kanye nempilo yesevisi yemishini yazo kanye nezingxenye.
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