Foromo ea Lik'hemik'hale
Ni
Lihlooho tse Akaretsoang
Semelo
E hloekile khoebong kapanikeli e nang le motsoako o tlasee fumana ts'ebeliso ea eona ea mantlha ts'ebetsong ea lik'hemik'hale le lisebelisoa tsa elektroniki.
Khanyetso ea ts'enyeho
Ka lebaka la ho hanyetsa mafome ha nickel e hloekileng, haholo-holo lik'hemik'hale tse fapaneng tse fokotsang 'me haholo-holo ho li-alkali tse bakang caustic, nickel e sebelisoa ho boloka boleng ba sehlahisoa liketsong tse ngata tsa lik'hemik'hale, haholo-holo ts'ebetsong ea lijo le tlhahiso ea faeba ea maiketsetso.
Matlotlo a Nickel e Hloekileng Khoebong
Ha ho bapisoa lemetsoako ea nikeli, nikeli e hlwekileng kgwebong e na le motlakase o phahameng, mocheso o phahameng wa Curie le thepa e ntle ya makenete. Nikeli e sebedisetswa dithapo tsa motlakase tsa elektroniki, dikarolo tsa betri, thyratrons le di-electrode tse phatsimang.
Nickel e boetse e na le phallo e ntle ea mocheso. Sena se bolela hore e ka sebelisoa bakeng sa li-exchange tsa mocheso libakeng tse senyang.
Tafole ea 1. Thepa eaNikele 200, sehlopha se hloekileng sa khoebo (99.6% Ni).
| Thepa | Boleng | |
| Matla a ho Tenyetseha a Annealed ho 20°C | 450MPa | |
| Khatello ea Bopaki ea Annealed 0.2% ho 20°C | 150MPa | |
| Ho lelefatsa (%) | 47 | |
| Botenya | 8.89g/cm3 | |
| Sebaka sa ho Qhibiliha | 1435-1446°C | |
| Mocheso o Ikhethang | 456 J/kg. °C | |
| Mocheso oa Curie | 360°C | |
| Ho Lula ho Lekana | Leqephe la pele | 110 |
| Boholo | 600 | |
| E sebetsa hantle haeba e atolosoa (20-100°C) | 13.3×10-6m/m.°C | |
| Ho khanna ha mocheso | 70W/m.°C | |
| Ho hanyetsa motlakase | 0.096 × 10-6ohm.m | |
Tlhahiso ea Nickel
Annealednikelie na le bothata bo tlase le ho se sebetse hantle. Nickel, joalo ka khauta, silevera le koporo, e na le sekhahla se tlase sa ho thatafala ha mosebetsi, ke hore, ha e atise ho ba thata le ho robeha habonolo ha e kobehile kapa e holofetse joalo ka litšepe tse ling tse ngata. Litšobotsi tsena, hammoho le ho tjheseletsa hantle, li etsa hore tšepe e be bonolo ho e etsa lintho tse felileng.
Nickel ho Chromium Plating
Nickel e boetse e sebelisoa khafetsa e le seaparo se ka tlase ho plating ea chromium e khabisitsoeng. Sehlahisoa se tala, joalo ka koporo kapa zinc casting kapa sheet steel pressing, se qalisoa pele ka lera lanikeliBotenya ba hoo e ka bang 20µm. Sena se e fa ho hanyetsa ho bola. Letlalo la ho qetela ke 'flash' e tšesaane haholo (1-2µm) ea chromium ho e fa 'mala le ho hanyetsa ho bola hoo ka kakaretso ho nkoang ho le molemo haholo ka har'a lijana tse koahetsoeng. Chromium feela e ka ba le ho hanyetsa ho bola ho sa amoheleheng ka lebaka la tlhaho e nang le masoba ea electroplate ea chromium.
Tafole ea Thepa
| Thepa | Nikele - Thepa, Tlhahiso le Ts'ebeliso ea Nikele e Hloekileng Khoebong |
|---|---|
| Sebopeho: | >99% Ni kapa ho feta |
| Thepa | Boleng bo Tlase (SI) | Boleng bo Holimo (SI) | Diyuniti (SI) | Boleng bo Tlase (Imp.) | Boleng bo Holimo (Imp.) | Diyuniti (Tlhahiso) |
|---|---|---|---|---|---|---|
| Bophahamo ba Athomo (karolelano) | 0.0065 | 0.0067 | m3/kmol | 396.654 | 408.859 | ka hare ho 3/kmol |
| Botenya | 8.83 | 8.95 | Mg/m3 | 551.239 | 558.731 | lb/ft3 |
| Dikahare tsa Matla | 230 | 690 | MJ/kg | 24917.9 | 74753.7 | kcal/lb |
| Modulus ea Bongata | 162 | 200 | GPa | 23.4961 | 29.0075 | 106 psi |
| Matla a Khatello | 70 | 935 | MPa | 10.1526 | 135.61 | ksi |
| Bokgoni ba ho sebetsa | 0.02 | 0.6 | 0.02 | 0.6 | ||
| Moeli oa ho Sebetsa | 70 | 935 | MPa | 10.1526 | 135.61 | ksi |
| Moeli oa Mamello | 135 | 500 | MPa | 19.5801 | 72.5188 | ksi |
| Ho Tiea ha ho Robeha | 100 | 150 | MPa.m1/2 | 91.0047 | 136.507 | ksi.in1/2 |
| Bothata | 800 | 3000 | MPa | 116.03 | 435.113 | ksi |
| Tekanyo ea Tahlehelo | 0.0002 | 0.0032 | 0.0002 | 0.0032 | ||
| Modulus ea ho Rutture | 70 | 935 | MPa | 10.1526 | 135.61 | ksi |
| Karolelano ea Poisson | 0.305 | 0.315 | 0.305 | 0.315 | ||
| Modulus ea Shear | 72 | 86 | GPa | 10.4427 | 12.4732 | 106 psi |
| Matla a tšepe | 345 | 1000 | MPa | 50.038 | 145.038 | ksi |
| Modulus ea Young | 190 | 220 | GPa | 27.5572 | 31.9083 | 106 psi |
| Mocheso oa Khalase | K | °F | ||||
| Mocheso o Patehileng oa ho Kopanya | 280 | 310 | kJ/kg | 120.378 | 133.275 | BTU/lb |
| Mocheso o phahameng ka ho fetisisa oa Tšebeletso | 510 | 640 | K | 458.33 | 692.33 | °F |
| Sebaka sa ho Qhibiliha | 1708 | 1739 | K | 2614.73 | 2670.53 | °F |
| Mocheso o tlase oa Tšebeletso | 0 | 0 | K | -459.67 | -459.67 | °F |
| Mocheso o Ikhethang | 452 | 460 | J/kg.K | 0.349784 | 0.355975 | BTU/lb.F |
| Ho khanna ha mocheso | 67 | 91 | W/mK | 125.426 | 170.355 | BTU.ft/h.ft2.F |
| Katoloso ea Thermal | 12 | 13.5 | 10-6/K | 21.6 | 24.3 | 10-6/°F |
| Monyetla oa ho Robeha | MV/m | V/mil | ||||
| Dielectric Constant | ||||||
| Ho hanyetsa | 8 | 10 | 10-8 ohm.m | 8 | 10 | 10-8 ohm.m |
| Matlo a Tikoloho | |
|---|---|
| Mabaka a Khanyetso | 1=Bofutsana 5=Botle haholo |
| Ho cha | 5 |
| Metsi a Hloekileng | 5 |
| Li-solvent tsa tlhaho | 5 |
| Ho ntsha oksijene ho 500C | 5 |
| Metsi a Leoatle | 5 |
| Asiti e Matla | 4 |
| Li-Alkali tse Matla | 5 |
| UV | 5 |
| Apara | 4 |
| Asiti e Fokolang | 5 |
| Li-Alkali tse Fokolang | 5 |
Mohloli: E qotsitsoe ho tsoa ho Handbook of Engineering Materials, Khatiso ea 5.
Bakeng sa tlhahisoleseling e batsi ka mohloli ona ka kopo etelaSetsi sa Boenjiniere ba Thepa Australasia.
Nickel ka sebopeho sa motheo kapa e kopantsoeng le litšepe le thepa e 'ngoe e entse menehelo e kholo sechabeng sa rona sa kajeno 'me e tšepisa ho tsoela pele ho fana ka thepa bakeng sa bokamoso bo boima le ho feta. Nickel esale e le tšepe ea bohlokoa bakeng sa mefuta e fapaneng ea liindasteri ka lebaka le bonolo la hore ke thepa e feto-fetohang haholo e tla kopantsoe le litšepe tse ling tse ngata.
Nickel ke karolo e feto-fetohang 'me e tla kopantsoe le litšepe tse ngata. Li-alloy tsa nickel ke li-alloy tse nang le nickel e le karolo ea bohlokoa. Ho na le ho qhibiliha ho felletseng pakeng tsa nickel le koporo. Ho qhibiliha ho pharaletseng pakeng tsa tšepe, chromium le nickel ho etsa hore ho khonehe ho kopanya li-alloy tse ngata. Ho feto-fetoha ha eona ho hoholo, hammoho le ho hanyetsa mocheso le mafome ho entse hore e sebelisoe ka mefuta e fapaneng ea lits'ebetso; joalo ka li-turbine tsa khase tsa lifofane, li-turbine tsa mouoane lifemeng tsa motlakase le ts'ebeliso ea eona e pharaletseng mebarakeng ea matla le ea nyutlelie.
Litšebeliso le Litšobotsi tsa Li-Alloys tsa Nickel
Nmotsoako oa ickel le nickelsdi sebediswa bakeng sa mefuta e mengata ya ditshebediso, tseo boholo ba tsona di kenyeletsang ho hanyetsa mafome le/kapa ho hanyetsa mocheso. Tse ding tsa tsona di kenyeletsa:
- Liturbine tsa khase tsa lifofane
- Litsi tsa motlakase tsa turbine ea mouoane
- Lisebelisoa tsa bongaka
- Mekhoa ea matla a nyutlelie
- Liindasteri tsa lik'hemik'hale le tsa peterolo
- Likarolo tsa ho futhumatsa le ho hanyetsa
- Li-Isolator le Li-Actuator bakeng sa puisano
- Lipolaka tsa Tlhase tsa Likoloi
- Lintho tse sebelisoang ho tjheseletsa
- Likhoele tsa Motlakase
Tse ling tse 'maloalisebelisoa tsa li-alloy tsa nickele kenyelletsa thepa e ikhethang ea 'mele ea li-alloy tse entsoeng ka nickel tse nang le morero o khethehileng kapa tse nang le nickel e ngata. Tsena li kenyelletsa:
- Li-alloy tsa ho hanyetsa motlakase
- Li-alloy tsa nikeli-chromiumleLi-alloy tsa nikeli-chromium-tšepe
- Litšepe tse kopantsoeng tsa koporo le nikelebakeng sa likhoele tsa ho futhumatsa
- Li-alloy tsa Thermocouplebakeng sa li-sensor le likhoele
- Litšepe tsa koporo tsa nikelibakeng sa ho Loha-ho Loha
- Li-alloy tse bonolo tsa makenete
- Li-alloy tse laoloang katoloso
- Lisebelisoa tsa ho tlatsa ka ho tjheseletsa
- Terata ea Dumetbakeng sa tiiso ea khalase ho ea tšepe
- Tšepe e koahetsoeng ka nikeli
- Li-Alloys tsa Mabone
Nako ea poso: Phato-04-2021
