Nkọwa ngwaahịa
Constantan Waya 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.
Constantan 6J40 | Constantan ọhụrụ | Manganin | Manganin | Manganin | ||
6J11 | 6J12 | 6J8 | 6J13 | |||
Ihe mejupụtara kemịkalụ % | Mn | 1 ~ 2 | 10.5-12.5 | 11-13 | 8-10 | 11-13 |
Ni | 39-41 | - | 2 ~ 3 | - | 2 ~ 5 | |
Cu | Izu ike | Izu ike | Izu ike | Izu ike | Izu ike | |
Al2.5 ~ 4.5 Fe1.0 ~ 1.6 | Si1~2 | |||||
Oke okpomọkụ maka akụrụngwa | 5-500 | 5-500 | 5-45 | 10 ~ 80 | 10 ~ 80 | |
Njupụta | 8.88 | 8 | 8.44 | 8.7 | 8.4 | |
g/cm3 | ||||||
Nguzogide | 0.48 | 0.49 | 0.47 | 0.35 | 0.44 | |
μΩ.m,20 | ±0.03 | ±0.03 | ±0.03 | ±0.05 | ±0.04 | |
Extensibility | ≥15 | ≥15 | ≥15 | ≥15 | ≥15 | |
% Φ0.5 | ||||||
Nguzogide | -40-40 | -80-80 | -3 ~ + 20 | -5-10 | 0 ~ + 40 | |
Okpomọkụ | ||||||
Ọnụ ego | ||||||
α,10-6 / | ||||||
Thermoelectromotive | 45 | 2 | 1 | 2 | 2 | |
ike na ọla kọpa | ||||||
μv/ (0 ~ 100) |