1.Lithako tse fapaneng

Nickel chromium alloyterata e entsoe haholo ka nickel (Ni) le chromium (Cr), hape e kanna ea ba le likarolo tse nyane tsa likarolo tse ling. Litaba tsa nickel ka nickel-chromium alloy hangata li ka ba 60% -85%, 'me litaba tsa chromium li ka ba 10% -25%. Mohlala, motsoako o tloaelehileng oa nickel-chromium Cr20Ni80 o na le chromium e ka bang 20% ​​le nickel e ka bang 80%.

Karolo e ka sehloohong ea terata ea koporo ke koporo (Cu), eo bohloeki ba eona bo ka fihlang ho feta 99,9%, joalo ka T1 koporo e hloekileng, dikahare tsa koporo tse ka holimo ho 99,95%.

2.Different Physical Properties

Mmala

- terata ea Nichrome hangata e bohlooho ba silevera. Lebaka ke hobane tšepe e phatsimang ea nickel le chromium e tsoakoa ho fana ka 'mala ona.

- Mobala oa terata ea koporo o bofubelu bo bopherese, e leng 'mala o tloaelehileng oa koporo' me o na le tšepe e khanyang.

Botenya

- Bongata ba mela ea nickel-chromium alloy e batla e le kholo, hangata e ka ba 8.4g/cm³. Ka mohlala, 1 cubic meter ea terata ea nichrome e na le boima ba lik'hilograma tse 8400.

- Theterata ya koporodensity e ka ba 8.96g/cm³, 'me bophahamo bo tšoanang ba terata ea koporo bo boima hanyane ho feta terata ea alloy ea nickel-chromium.

Melting Point

-Nickel-chromium alloy e na le ntlha e phahameng ea ho qhibiliha, e ka bang 1400 ° C, e etsang hore e khone ho sebetsa ka mocheso o phahameng ntle le ho qhibiliha habonolo.

-Sebaka se qhibilihang sa koporo se ka bang 1083.4 ℃, se tlase ho feta sa nickel-chromium alloy.

Motlakase Conductivity

-Tsela ea koporo e tsamaisa motlakase hantle haholo, ka boemo bo tloaelehileng, koporo e na le motlakase oa motlakase oa hoo e ka bang 5.96 × 10 guess S / m. Lebaka ke hobane sebopeho sa elektronike sa liathomo tsa koporo se lumella hore se tsamaise hantle hona joale, 'me ke ntho e sebelisoang hangata, e sebelisoang haholo libakeng tse kang phetisetso ea matla.

Mohala oa motsoako oa Nickel-chromium o na le motlakase o fokolang, 'me motlakase oa oona o tlase haholo ho feta oa koporo, hoo e ka bang 1.1×10⁶S/m. Sena se bakoa ke sebopeho sa athomo le ho sebelisana ha nickel le chromium ka motsoako, e le hore ho tsamaisa lielektronike ho sitisoe ho isa tekanyong e itseng.

Thermal conductivity

-Koporo e na le mokhoa o babatsehang oa ho tsamaisa mocheso, o nang le mocheso oa mocheso o ka bang 401W / (m·K), o etsang hore koporo e sebelisoe haholo libakeng tseo ho tsona ho hlokahalang hore ho be le mocheso o motle, joalo ka lisebelisoa tsa ho senya mocheso.

Thermal conductivity ea nickel-chromium alloy e batla e fokola, 'me mocheso oa mocheso hangata o pakeng tsa 11.3 le 17.4W/(m·K)

3. Mefuta e sa tšoaneng ea Lik'hemik'hale

Khanyetso ea Corrosion

Li-alloys tsa Nickel-chromium li na le khanyetso e ntle ea kutu, haholo-holo libakeng tse nang le mocheso o phahameng oa oxidation. Nickel le chromium li etsa filimi e teteaneng ea oxide e holim'a motsoako, e thibelang liphetoho tse ling tsa oxidation. Ka mohlala, moeeng o phahameng oa mocheso, lera lena la filimi ea oxide le ka sireletsa tšepe ka hare ho motsoako ho tloha ho senya ho eketsehileng.

- Koporo e na le oxidized habonolo moeeng ho theha vercas (basic copper carbonate, formula Cu₂(OH)₂CO₃). Haholo-holo tikolohong e nang le mongobo, bokaholimo ba koporo bo tla senyeha butle-butle, empa khanyetso ea eona ea ho senya ho li-acids tse ling tse se nang oxidizing e batla e le ntle.

Botsitso ba Lik'hemik'hale

- Alloy ea Nichrome e na le botsitso bo phahameng ba lik'hemik'hale 'me e ka lula e tsitsitse ka pel'a lik'hemik'hale tse ngata. E na le mamello e itseng ho li-acids, metheo le lik'hemik'hale tse ling, empa e ka boela ea itšoara ka li-acid tse matla tsa oxidizing.

- Koporo ka har'a li-oxidants tse matla (tse kang nitric acid) tlas'a ts'ebetso ea lik'hemik'hale tse mabifi haholoanyane, reaction equation ke \(3Cu + 8HNO₃(dilute)=3Cu(NO₃ +2NO↑ + 4H₂O\).

4. Litšebeliso tse fapaneng

- terata ea alloy ea nickel-chromium

- Ka lebaka la ho hanyetsa ha eona ho phahameng le ho hanyetsa mocheso o phahameng, e sebelisoa haholo-holo ho etsa lisebelisoa tsa ho futhumatsa motlakase, tse kang lithapo tsa ho futhumatsa ka liontong tsa motlakase le licheso tsa metsi tsa motlakase. Lisebelisoa tsena, lithapo tsa nichrome li khona ho fetola matla a motlakase hore e be mocheso.

- E boetse e sebelisoa maemong a mang moo thepa ea mochini e hlokang ho bolokoa maemong a mocheso o phahameng, joalo ka likarolo tsa ts'ehetso ea libopi tsa mocheso o phahameng.

- Mohala oa koporo

- Khoele ea koporo e sebelisoa haholo-holo bakeng sa phetisetso ea matla, hobane motlakase oa eona o motle o ka fokotsa tahlehelo ea matla a motlakase nakong ea phetisetso. Tsamaisong ea marang-rang ea matla, palo e kholo ea likhoele tsa koporo e sebelisoa ho etsa lithapo le likhoele.

- E boetse e sebelisoa ho etsa likhokahano tsa likarolo tsa elektroniki. Lihlahisoa tsa elektroniki tse kang likhomphutha le mehala ea thekeng, mehala ea koporo e khona ho lemoha phetiso ea matšoao le phepelo ea motlakase lipakeng tsa likarolo tse fapaneng tsa elektroniki.