Uea Karma no nā mea pale pololei(0.02mm, 0.03mm, 0.04mm)
1. Karma huila
Hana ʻia ʻo Karma alloy i ke keleawe, nickel, Aluminum a me ka hao ma ke ʻano nui. ʻO ka resistivity he 2 ~ 3 mau manawa kiʻekiʻe ma mua o MENTONG. He haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa o ke kū'ē (TCR), haʻahaʻa haʻahaʻa EMF me ke keleawe, kūpaʻa maikaʻi o ke kūpaʻa no ka manawa lōʻihi a me ka anti-oxidation ikaika. ʻOi aku ka laulā o kāna hana wela ma mua o MENTONG (-60 ~ 300ºC). He kūpono ia no ka hana ʻana i nā mea kūʻē pololei pololei a me ke kānana.
2. Karma nui
Uea: 0.01mm-10mm
Lipine: 0.05*0.2mm-2.0*6.0mm
Kaha: 0.5*5.0mm-5.0*250mm
3.Karma Waiwai
inoa | code | Hui Nui (%) | Kūlana | |||
Cr | Al | Fe | Ni | |||
Karma | 6J22 | 19~21 | 2.5~3.2 | 2.0~3.0 | bal. | JB/T 5328 |
inoa | Code | (20ºC) Kū'ē (μΩ.m) | (20ºC) Temp. Coeff.No ke Kūʻē (αX10-6/ºC) | (0~100ºC) ThermalEMF vs.Copper (μv/ºC) | Max.hana Maha (ºC) | (%) ʻO ka elongation | (N/mm2) Kuʻi Ka ikaika | Kūlana |
Karma | 6J22 | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | >7 | ≥780 | JB/T 5328 |
4. ʻO nā hiʻohiʻona ʻokoʻa o ka uea kūʻē Karma
1) E hoʻomaka ana me ka uea wela uila Nickel Chromium Class 1, ua hoʻololi mākou i kekahi o ka Ni me
Al a me nā mea ʻē aʻe, a pēlā i loaʻa ai kahi mea kūʻē pololei me ka hoʻomaikaʻi
koena wela kū'ē a me ka ikaika electromotive wela i ke keleawe.
Me ka hoʻohui ʻana o Al, ua lanakila mākou i ka hana ʻana i ka resistivity volume 1.2 mau manawa ʻoi aku ka nui
ma mua o ka uea wela uila Nickel Chromium Class 1 a me ka ikaika tensile 1.3 manawa ʻoi aku ka nui.
2) He liʻiliʻi loa ka helu lua wela β o Karmalloy wire KMW, - 0.03 × 10-6/ K2,
a ʻo ka ʻaʻe wela kūʻokoʻa e hoʻohuli ʻia i kahi laina pololei i loko o kahi ākea
pae wela.
No laila, ua hoʻonohonoho ʻia ka coefficient wela i ka ʻawelike wela ma waena
23 ~ 53 °C, akā, 1 × 10-6/K, ka awelika wela coefficient ma waena o 0 ~ 100 °C, hiki no hoi.
e aponoia no ke koena wela.
3) ʻO ka ikaika electromotive e kū'ē i ke keleawe ma waena o 1 ~ 100 °C he liʻiliʻi hoʻi, ma lalo o + 2 μV / K, a
hōʻike i ke kūpaʻa maikaʻi loa i kahi manawa o nā makahiki he nui.
4) Inā e hoʻohana ʻia kēia ma ke ʻano he mea kūʻē pololei, ʻo ka mālama wela wela haʻahaʻa
koi ʻia e hoʻopau i nā distortions e like me ka hihia o Manganin wire CMW.