Terata ea Karma bakeng sa Li-Resistors tse Hlokahalang(0.02mm, 0.03mm, 0.04mm)
1. Motsoako oa Karma
Motsoako oa Karma o entsoe ka koporo, nikeli, Aluminium le Tšepe e le likarolo tsa mantlha. Ho hanyetsa ho phahame ka makhetlo a 2 ~ 3 ho feta MENTONG. E na le coefficient e tlase ea ho hanyetsa mocheso (TCR), EMF e tlase ea mocheso khahlanong le koporo, khanyetso e tšoarellang nako e telele le anti-oxidation e matla. Mocheso oa eona o sebetsang o pharaletse ho feta MENTONG (-60 ~ 300ºC). E loketse ho etsa likarolo tse nyane tsa ho hanyetsa le khatello e nepahetseng.
2. Boholo ba Karma
Terata: 0.01mm-10mm
Ribone: 0.05*0.2mm-2.0*6.0mm
Sekotwana: 0.5*5.0mm-5.0*250mm
3. Thepa ea Karma
| lebitso | khoutu | Sebopeho se Seholo (%) | E tloaelehileng | |||
| Cr | Al | Fe | Ni | |||
| Karma | 6J22 | 19-21 | 2.5~3.2 | 2.0~3.0 | bal. | JB/T 5328 |
| Lebitso | Khoutu | (20ºC) Ho hanyetsa (μΩ.m) | (20ºC) Khanyetso ea Mocheso oa Coeff.Oa Khanyetso (αX10-6/ºC) | (0~100ºC) ThermalEMF khahlanong le Koporo (μv/ºC) | Ho sebetsa ka botlalo Mocheso (ºC) | (%) Ho lelefatsa | (N/mm2) Thapo Matla | E tloaelehileng |
| Karma | 6J22 | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | >7 | ≥780 | JB/T 5328 |
4. Likarolo tse ikhethang tsa terata ea ho hanyetsa Karma
1) Ho qala ka terata ea motlakase ea mocheso ea Nickel Chromium Sehlopha sa 1, re nkile sebaka sa tse ling tsa Ni ka
Al le likarolo tse ling, kahoo li fihlelletse thepa ea ho hanyetsa ka ho nepahala ka ntlafatso
coefficient ea mocheso oa khanyetso le matla a motlakase a mocheso khahlanong le koporo.
Ka ho eketsoa ha Al, re atlehile ho etsa hore ho hanyetsa molumo ho be hoholoanyane ka makhetlo a 1.2.
ho feta terata ea motlakase ea mocheso ea Nickel Chromium Sehlopha sa 1 'me matla a ho thaepa a phahame ka makhetlo a 1.3.
2) Koefficient ea mocheso oa bobeli β ea terata ea Karmalloy KMW e nyane haholo, - 0.03 × 10-6/ K2,
'me mothapo oa mocheso oa khanyetso o fetoha mola o otlolohileng ka hare ho sephara se seholo
mocheso o fapaneng.
Ka hona, tekanyo ea mocheso e behiloe hore e be tekanyo ea mocheso e tloaelehileng pakeng tsa
23 ~ 53 °C, empa 1 × 10-6/K, karolelano ea mocheso pakeng tsa 0 ~ 100 °C, le eona e ka ba
e amoheloe bakeng sa tekanyo ea mocheso.
3) Matla a motlakase khahlanong le koporo a pakeng tsa 1 ~ 100 °C le ona a manyane, a ka tlase ho + 2 μV/K, mme
e bonts'a botsitso bo babatsehang ka nako ea lilemo tse ngata.
4) Haeba sena se tla sebelisoa e le thepa ea ho hanyetsa ka nepo, kalafo ea mocheso o tlase ke
e hlokahalang ho felisa ho sotha ha ts'ebetso feela joalo ka ha ho bile joalo ka terata ea Manganin CMW.
150 0000 2421