Chemical Formula
Ni
Mitu Yophimbidwa
Mbiri
Zamalonda zoyera kapenanickel low alloyimapeza ntchito yake yayikulu pakukonza mankhwala ndi zamagetsi.
Kukaniza kwa Corrosion
Chifukwa cha kukana kwa nickel kopanda dzimbiri, makamaka pochepetsa mankhwala osiyanasiyana makamaka ku caustic alkalis, faifi tambala amagwiritsidwa ntchito kuti zinthu zizikhala bwino pamachitidwe ambiri amankhwala, makamaka pokonza zakudya ndi kupanga ulusi wopangira.
Katundu wa Nickel Wopanda Malonda
Kuyelekeza ndinickel aloyi, faifi tambala yamalonda imakhala ndi mphamvu zamagetsi zapamwamba, kutentha kwa Curie komanso katundu wabwino wa magnetostrictive.Nickel imagwiritsidwa ntchito pa mawaya otsogolera amagetsi, zida za batri, ma thyratron ndi ma elekitirodi oyaka.
Nickel imakhalanso ndi matenthedwe abwino.Izi zikutanthauza kuti zitha kugwiritsidwa ntchito posinthanitsa kutentha m'malo owononga.
Table 1. Katundu waNickel 200, kalasi yeniyeni yamalonda (99.6% Ni).
Katundu | Mtengo | |
Mphamvu ya Annealed Tensile pa 20 ° C | 450MPa | |
Wowonjezera 0.2% Kupsinjika kwa Umboni pa 20°C | 150MPa | |
Elongation (%) | 47 | |
Kuchulukana | 8.89g/cm3 | |
Kusungunula Range | 1435-1446°C | |
Kutentha Kwapadera | 456 J/kg.°C | |
Curie Kutentha | 360 ° C | |
Chibale Permeability | Poyamba | 110 |
Kuchuluka | 600 | |
Imagwiranso Ntchito Ngati Kukula (20-100°C) | 13.3×10-6m/m.°C | |
Thermal Conductivity | 70W/m.°C | |
Kukaniza Magetsi | 0.096 × 10-6ohm.m |
Kupanga Nickel
Annealednickelali otsika kuuma ndi ductility zabwino.Nickel, mofanana ndi golidi, siliva ndi mkuwa, imakhala ndi mphamvu yochepetsetsa yogwira ntchito mochepa, mwachitsanzo, simakonda kukhala yolimba komanso yolimba pamene ipindika kapena kupunduka monga momwe zimachitira zitsulo zina zambiri.Makhalidwe amenewa, kuphatikizapo weldability wabwino, zimapangitsa chitsulo kukhala chosavuta kupanga zinthu zomalizidwa.
Nickel mu Chromium Plating
Nickel imagwiritsidwanso ntchito nthawi zambiri ngati chovala chamkati pokongoletsa chromium plating.Chopangiracho, monga mkuwa kapena zinc kuponyera kapena chitsulo chosindikizira chimayamba kukutidwa ndi wosanjikiza wanickelpafupifupi 20µm wandiweyani.Izi zimapatsa mphamvu yake ya kutu.Chovala chomaliza ndi 'flash' yopyapyala kwambiri (1-2µm) ya chromium kuti ipangitse mtundu komanso kukana koyipa komwe kumawonedwa ngati kofunikira kwambiri muzinthu zopukutidwa.Chromium yokhayo ingakhale ndi kukana kwa dzimbiri kosavomerezeka chifukwa chokhala ndi porous chromium electroplate.
Katundu Table
Zakuthupi | Nickel - Katundu, Kupanga ndi Kugwiritsa Ntchito Nickel Pazamalonda |
---|---|
Zolemba: | > 99% Ndi kapena kuposa |
Katundu | Mtengo Wochepa (SI) | Mtengo Wapamwamba (SI) | Mayunitsi (SI) | Mtengo Wochepa (Imp.) | Mtengo Wapamwamba (Imp.) | Mayunitsi (Imp.) |
---|---|---|---|---|---|---|
Voliyumu ya Atomiki (avareji) | 0.0065 | 0.0067 | m3/km | 396.654 | 408.859 | ku 3/kml |
Kuchulukana | 8.83 | 8.95 | Mg/m3 | 551.239 | 558.731 | lb/ft3 |
Mphamvu Zamagetsi | 230 | 690 | MJ/kg | 24917.9 | 74753.7 | kcal/lb |
Bulk Modulus | 162 | 200 | GPA | 23.4961 | 29.0075 | 106 psi |
Compressive Mphamvu | 70 | 935 | MPa | 10.1526 | 135.61 | ksi |
Ductility | 0.02 | 0.6 | 0.02 | 0.6 | ||
Elastic Limit | 70 | 935 | MPa | 10.1526 | 135.61 | ksi |
Kupirira Malire | 135 | 500 | MPa | 19.5801 | 72.5188 | ksi |
Kulimba kwa Fracture | 100 | 150 | MPa.m1/2 | 91.0047 | 136.507 | ksi.in1/2 |
Kuuma | 800 | 3000 | MPa | 116.03 | 435.113 | ksi |
Kutaya Coefficient | 0.0002 | 0.0032 | 0.0002 | 0.0032 | ||
Modulus of Rupture | 70 | 935 | MPa | 10.1526 | 135.61 | ksi |
Chiwerengero cha Poisson | 0.305 | 0.315 | 0.305 | 0.315 | ||
Shear Modulus | 72 | 86 | GPA | 10.4427 | 12.4732 | 106 psi |
Kulimba kwamakokedwe | 345 | 1000 | MPa | 50.038 | 145.038 | ksi |
Young's Modulus | 190 | 220 | GPA | 27.5572 | 31.9083 | 106 psi |
Kutentha kwagalasi | K | °F | ||||
Kutentha Kwambiri kwa Fusion | 280 | 310 | kJ/kg | 120.378 | 133.275 | BTU/lb |
Maximum Service Temperature | 510 | 640 | K | 458.33 | 692.33 | °F |
Melting Point | 1708 | 1739 | K | 2614.73 | 2670.53 | °F |
Kutentha Kwambiri kwa Service | 0 | 0 | K | -459.67 | -459.67 | °F |
Kutentha Kwapadera | 452 | 460 | J/kg.K | 0.349784 | 0.355975 | BTU/lb.F |
Thermal Conductivity | 67 | 91 | W/mK | 125.426 | 170.355 | BTU.ft/h.ft2.F |
Kuwonjezedwa kwa Matenthedwe | 12 | 13.5 | 10-6/K | 21.6 | 24.3 | 10-6/°F |
Kutha Kusweka | MV/m | V/mil | ||||
Dielectric Constant | ||||||
Kukaniza | 8 | 10 | 10-8 ohm | 8 | 10 | 10-8 ohm |
Zachilengedwe | |
---|---|
Zotsutsa | 1=Wosauka 5=Zabwino kwambiri |
Kutentha | 5 |
Madzi Atsopano | 5 |
Zosungunulira za Organic | 5 |
Oxidation pa 500C | 5 |
Madzi a Nyanja | 5 |
Asidi Wamphamvu | 4 |
Alkalis Amphamvu | 5 |
UV | 5 |
Valani | 4 |
Ofooka Acid | 5 |
Ma Alkalis Ofooka | 5 |
Gwero: Kuchokera ku Handbook of Engineering Materials, Edition 5.
Kuti mudziwe zambiri za gwero ili chonde pitaniInstitute of Materials Engineering Australasia.
Nickel mu mawonekedwe oyambira kapena ophatikizidwa ndi zitsulo ndi zida zina athandizira kwambiri anthu amasiku ano ndipo akulonjeza kuti apitiliza kupereka zida zamtsogolo zovutirapo.Nickel nthawi zonse yakhala chitsulo chofunikira kwambiri m'mafakitale osiyanasiyana chifukwa chosavuta kuti ndizinthu zosunthika kwambiri zomwe zimalumikizana ndi zitsulo zina zambiri.
Nickel ndi chinthu chosunthika ndipo amalumikizana ndi zitsulo zambiri.Ma aloyi a nickel ndi ma aloyi okhala ndi faifi tambala ngati chinthu chofunikira kwambiri.Kusungunuka kolimba kumakhalapo pakati pa faifi tambala ndi mkuwa.Kusungunuka kwakukulu pakati pa chitsulo, chromium, ndi faifi tambala kumapangitsa kuti aloyi ambiri azisakanikirana.Kusinthasintha kwake kwakukulu, kuphatikizidwa ndi kutentha kwake kwakukulu ndi kukana kwa dzimbiri kwachititsa kuti agwiritsidwe ntchito mosiyanasiyana;monga ma turbines agasi a Ndege, makina opangira magetsi m'mafakitale amagetsi ndikugwiritsa ntchito kwambiri m'misika yamagetsi ndi nyukiliya.
Ntchito ndi Makhalidwe a Nickel Alloys
Nickel ndi nickel alloysamagwiritsidwa ntchito zosiyanasiyana, zambiri zomwe zimaphatikizapo kukana dzimbiri ndi/kapena kukana kutentha.Zina mwa izi ndi:
- Makina opangira gasi a ndege
- Malo opangira magetsi opangira nthunzi
- Mapulogalamu azachipatala
- Machitidwe a mphamvu za nyukiliya
- Makampani a Chemical ndi petrochemical
- Kutentha ndi Kukaniza mbali
- Ma Isolators ndi Actuators kuti athe kulumikizana
- Mapulagi a Automotive Spark
- Zowotcherera zogwiritsidwa ntchito
- Zingwe Zamagetsi
Ena angapomapulogalamu a nickel alloyskuphatikizira mawonekedwe apadera amtundu wa nickel-based or high-nickel alloys.Izi zikuphatikizapo:
- Zosakaniza zamagetsi
- Nickel-Chromium aloyindiNickel-Chromium-Iron alloys
- Zosakaniza za Copper-Nickelzowotchera zingwe
- Thermocouple Aloyikwa masensa ndi zingwe
- Zida za Nickel Copperkwa Kuluka-Kuluka
- Zofewa za maginito
- Ma aloyi owongolera-kukula
- Zida Zopangira Welding
- Dumet wayakwa Glass kuti asindikize zitsulo
- Chitsulo cha Nickel
- Magetsi Aloyi
Nthawi yotumiza: Aug-04-2021