Constantan Hlau Txhais
Cov hlau tsis kam nrog qhov nruab nrab resistivity thiab qis kub coefficent ntawm kev tiv thaiv nrog lub tiaj tus tsis kam / kub nkhaus hla ntau dua li "manganins". CuNi44 Alloy hlau kuj qhia tau tias zoo dua corrosion tsis kam dua li txiv neej ganins. Kev siv feem ntau raug txwv rau ac circuits. CuNi44 / CuNi40 / CuNi45 Constantan Tooj Liab Nickel Alloy Hlau kuj yog qhov tsis zoo ntawm hom J thermocouple nrog Hlau yog qhov zoo; hom J thermocouples yog siv rau hauv cov ntawv thov kho cua sov. Tsis tas li ntawd, nws yog qhov tsis zoo ntawm hom T thermocouple nrog OFHC Tooj Liab qhov zoo; hom T thermocouples yog siv ntawm cryogenic kub.
Cov Ntsiab Lus Tshuaj (%)CuNi44
| Ni | Mn | Fe | Si | Cu | Lwm yam | Cov Lus Qhia ROHS | |||
| Cd | Pb | Hg | Cr | ||||||
| 44 | 1.50% | 0.5 | - | Bal | - | ND | ND | ND | ND |
Cov Khoom Siv Kho TshuabCuNi44
| Max Kev Pabcuam Txuas Ntxiv Mus | 400 ºC |
| Kev tiv taus ntawm 20ºC | 0.49 ± 5% ohm*mm2/m |
| Qhov Ceev | 8.9 g/cm3 |
| Cov Coefficient Kub ntawm Kev Tiv Thaiv | < -6 × 10-6/ºC |
| EMF VS Cu (0 ~ 100ºC) | -43 μV/ºC |
| Qhov Kub Yaj | 1280 ºC |
| Lub zog tensile | Yam tsawg kawg nkaus 420 Mpa |
| Kev ntev | Yam tsawg kawg nkaus 25% |
| Cov Qauv Micrographic | Austenite |
| Khoom Siv Sib Nqus | Tsis yog. |
Cov yam ntxwv ntawm cov khoom:
1) Zoo heev tiv thaiv oxidation thiab lub zog kho tshuab ntawm qhov kub siab;
2) Kev tiv taus siab thiab coefficient kub tsawg ntawm kev tiv taus;
3) Kev rov ua dua zoo heev thiab kev ua tau zoo;
4) Kev ua tau zoo heev ntawm kev vuam
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