Alloy e Tlase ea Kovar 4j29 Wire, 29HK Wire for Glass Sealing Alloy
Alloy-4J29 ha e na feela katoloso ea mocheso e ts'oanang le khalase, empa lekhalo la eona le sa tloaelehang la ho atolosa mocheso hangata le ka etsoa ho bapisa khalase, kahoo ho lumella motsoako hore o mamelle mocheso o pharaletseng.Ka lik'hemik'hale, e tlamahane le khalase ka lera la oxide e bohareng ea nickel oxide le cobalt oxide;karolo ea tšepe ea oxide e tlase ka lebaka la ho fokotseha ha eona ka cobalt.Matla a tlamahano a itšetlehile haholo ka botenya ba oxide layer le sebopeho.Ho ba teng ha cobalt ho etsa hore oxide layer e be bonolo ho qhibiliha le ho qhibiliha ka khalase e qhibilihisitsoeng.Mmala o moputsoa, o moputsoa-putsoa kapa o mosootho o bonts'a tiiso e ntle.'Mala oa tšepe o bontša ho haella ha oxide, ha 'mala o motšo o bontša tšepe e nang le oxidized ho feta tekano, maemong a mabeli a lebisang ho lenonyeletso le fokolang.
Kopo:Haholo-holo e sebelisoa ka likarolo tsa vacuum ea motlakase le taolo ea ho tsoa, tube ea ho ts'oha, tube e khantšang, magnetron ea khalase, li-transistors, seal plug, relay, lead circuits lead, chassis, brackets le tse ling tse tiisang matlo.
Sebopeho se tlwaelehileng%
| Ni | 28.5 ~ 29.5 | Fe | Bal. | Co | 16.8-17.8 | Si | ≤0.3 |
| Mo | ≤0.2 | Cu | ≤0.2 | Cr | ≤0.2 | Mn | ≤0.5 |
| C | ≤0.03 | P | ≤0.02 | S | ≤0.02 |
Matla a Tensile, MPa
| Khoutu ea boemo | Boemo | Mohala | Hlobola |
| R | Bonolo | ≤585 | ≤570 |
| 1/4 ke | 1/4 E thata | 585~725 | 520-630 |
| 1/2I | 1/2 e thata | 655~795 | 590-700 |
| 3/4I | 3/4 E thata | 725~860 | 600-770 |
| I | E thata | ≥850 | ≥700 |
Tloaelehileng Thepa ea 'mele
| Boima ba 'mele (g/cm3) | 8.2 |
| Motlakase o hanyetsanang le 20ºC(Ωmm2/m) | 0.48 |
| Thempereichara ea ho hanyetsa (20ºC~100ºC)X10-5/ºC | 3.7~3.9 |
| Curie ntlha Tc/ ºC | 430 |
| Elastic Modulus, E/Gpa | 138 |
Coefficient ea katoloso
| θ/ºC | α1/10-6ºC-1 | θ/ºC | α1/10-6ºC-1 |
| 20-60 | 7.8 | 20 ~ 500 | 6.2 |
| 20 ~ 100 | 6.4 | 20 ~ 550 | 7.1 |
| 20 ~ 200 | 5.9 | 20-600 | 7.8 |
| 20-300 | 5.3 | 20-700 | 9.2 |
| 20-400 | 5.1 | 20-800 | 10.2 |
| 20-450 | 5.3 | 20-900 | 11.4 |
Thermal conductivity
| θ/ºC | 100 | 200 | 300 | 400 | 500 |
| λ/ W/(m*ºC) | 20.6 | 21.5 | 22.7 | 23.7 | 25.4 |
| Mokhoa oa phekolo ea mocheso | |
| Annealing bakeng sa ho imolla khatello ea maikutlo | E futhumetse ho 470 ~ 540ºC 'me u tšoare 1 ~ 2 h.Hatsela |
| annealing | Ka vacuum e futhumetseng ho isa ho 750 ~ 900ºC |
| Ho tšoara nako | 14 mets ~ 1h. |
| Sekhahla sa ho pholisa | Ha e fete 10 ºC/min e pholisoe ho 200 ºC |
