Ka Wehewehena o ka Uea Constantan
ʻO ke kinikini kū'ē me ke kū'ē kūpono a me ke ana wela haʻahaʻa me kahi piʻo kū'ē/mahana pālahalaha ma luna o kahi ākea ākea ma mua o nā "manganins". Hōʻike pū ka uea CuNi44 Alloy i ke kū'ē'ē ʻoi aku ka maikaʻi ma mua o nā man ganins. Hoʻohana pinepine ʻia nā hoʻohana i nā kaapuni ac. ʻO CuNi44/ CuNi40 /CuNi45 Constantan Copper Nickel Alloy Wire kekahi mea maikaʻi ʻole o ka thermocouple ʻano J me ka hao ka maikaʻi; hoʻohana ʻia nā thermocouple ʻano J i nā noi mālama wela. Eia kekahi, ʻo ia ka mea maikaʻi ʻole o ka thermocouple ʻano T me OFHC Copper ka maikaʻi; hoʻohana ʻia nā thermocouple ʻano T i nā mahana cryogenic.
Ka nui o nā kemika (%)CuNi44
| Ni | Mn | Fe | Si | Cu | ʻĒ aʻe | Kuhikuhi ROHS | |||
| Cd | Pb | Hg | Cr | ||||||
| 44 | 1.50% | 0.5 | - | Bal | - | ND | ND | ND | ND |
Nā Waiwai MekanikaCuNi44
| Ka Mahana Hana Hoʻomau Loa | 400 ºC |
| Ke kū'ē ʻana ma 20ºC | 0.49 ± 5% ohm*mm2/m |
| Ka nui o ka paʻa | 8.9 g/cm3 |
| Ka helu mahana o ke kū'ē ʻana | < -6 ×10-6/ºC |
| EMF VS Cu (0~100ºC) | -43 μV/ºC |
| Kiko Heheʻe | 1280 ºC |
| Ikaika Hoʻopaʻa | Ka palena iki o 420 Mpa |
| Hoʻolōʻihi | Ka liʻiliʻi loa he 25% |
| ʻAno Micrographic | ʻAustenite |
| Waiwai Makeneka | ʻAʻole. |
Nā hiʻohiʻona huahana:
1) Maikaʻi loa ka anti-oxidation a me ka ikaika mechanical i ke kiʻekiʻe o ka mahana;
2) Ke kū'ē kiʻekiʻe a me ke koina haʻahaʻa o ke kū'ē;
3) Hana maikaʻi loa a me ka hana hoʻokumu;
4) Hana maikaʻi loa no ka hoʻoheheʻe ʻana
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