NiCr20AlSi waya/Karma/ 6j22 waya maka resistors
Ihe mejupụtara Karma alloy bụ ọla kọpa, nickel, Aluminom na Iron dị ka ihe ndị bụ isi.The resistivity bụ 2 ~ 3 ugboro elu karịa Manganin.Ọ nwere ọnụ ọgụgụ dị ala nke nguzogide (TCR), EMF dị ala na ọla kọpa, ịdịgidesi ike nke nguzogide ruo ogologo oge na mgbochi ọxịdashọn siri ike.Ọnọdụ okpomọkụ ya na-arụ ọrụ dị obosara karịa Manganin (-60 ~ 300ºC).Ọ dị mma maka ịme ihe ndị na-eguzogide ezi nke ọma na foil nje.
Ọdịnaya kemịkalụ(%)
Ọkwa | C | Si | Mn | P | S | Ni | Al | Fe | Cr |
Karma | ≤0.04 | ≤0.20 | 0.5-1.05 | ≤0.010 | ≤0.010 | Bal. | 2.7-3.2 | 2.0-3.0 | 19.0-21.5 |
Njirimara anụ ahụ
Ọkwa | Njupụta (g/cm3) | EMF vs Pt(0-100ºC)μv/ºC | Nke kachasị na-eji Okpomọkụ (ºC) | Olu resistivity (μΩ.m) | Ọnụ ego PPM (×10-6/ºC) |
Karma | 8.1 | ≤2.5 | ≤300 | 1.33±8% (20ºC) | ≤±30(20ºC) |