Nkọwa ngwaahịa
ConstantanWaya nwere resistivity agafeghị oke na obere okpomọkụ coefficent nke nguzogide na larịị iguzogide / okpomọkụ usoro n'elu a wider nso karịa "manganins". Constantan na-egosipụtakwa nguzogide corrosion ka mma karịa nwoke ganins. A na-amachibido ojiji ya na sekit ac.
Constantan waya bụkwa ihe na-adịghị mma nke ụdị J thermocouple na Iron bụ ihe dị mma; A na-eji ụdị J thermocouples na ngwa ọgwụgwọ okpomọkụ. Ọzọkwa, ọ bụ ihe na-adịghị mma nke ụdị T thermocouple na OFHC ọla kọpa na nti; Ụdị T thermocouples na-eji okpomọkụ cryogenic.
Ọdịnaya kemịkalụ,%
Ni | Mn | Fe | Si | Cu | Ndị ọzọ | Ntuziaka ROHS | |||
Cd | Pb | Hg | Cr | ||||||
44 | 1.50% | 0.5 | - | Bal | - | ND | ND | ND | ND |
Ihe eji arụ ọrụ
Oke ọrụ na-aga n'ihu | 400ºC |
Resistivity na 20ºC | 0.49±5% ohm mm2/m |
Njupụta | 8.9g/cm3 |
Nrụpụta okpomọkụ | -6 (Max) |
Ebe Na-agbaze | 1280ºC |
Ike tensile, N/mm2 Annealed, Dị nro | 340-535 Mpa |
Ike tensile, N/mm3 Oyi akpọrela | 680 ~ 1070 Mpa |
Elongation(anneal) | 25% (Nkeji) |
Elongation (oyi akpọrepu) | ≥Nkeji) 2% (Nkeji) |
EMF vs Cu, μV/ºC (0 ~ 100ºC) | -43 |
Ọdịdị Micrographic | austenite |
Ihe onwunwe magnetik | Mba |