Nws yog ibNickel-Iron, qis expansion alloy muaj 36% Nickel nrog sib npaug ntawm Hlau.Nws tuav ze li qhov ntev ntawm qhov ntsuas kub ntawm qhov nruab nrab thiab muaj qhov sib npaug qis ntawm kev nthuav dav los ntawm qhov kub thiab txias mus txog +500 ° C.Nilo 36 tseem khaws tau zoo zog thiab toughness ntawm cryogenic kub.Cov ntawv thov suav nrog cov qauv ntawm qhov ntev, cov pas ntsuas kub, cov khoom siv laser thiab cov tso tsheb hlau luam thiab cov kav dej rau kev khaws cia thiab kev thauj mus los ntawm cov roj liquefied gasses.
Qib txheeb ze:
Qib | Russia | Teb chaws USA | Fabkis | Lub teb chaws Yelemees | UK |
4j 32 | 32 KAB 32 НК-ВИ | Super-Invar Super Nilvar | Invar Superieur | - | - |
4j 36 | 36 n npe 36 NAS | Invar/Nilvar Sib 36 | Invar Standard Fe-Ni36 | Vacodil 36 Nilos 36 | Invar/Nws 36 36 Nia |
4j 38 | - | 38 NIM Simmonds38-7FM | - | - | - |
C | Ni | Si | Mn | P | S | Fe |
≤ 0.05 | 35.0-37.0 Nws | ≤0.3 | 0.2-0.6 hli | ≤ 0.02 | ≤ 0.02 | tshuav nyiaj li cas |
Qhov ceev (g / cm3) | Melting kub (℃) | Lub peev xwm kub tshwj xeeb / J / (kg• ℃) (20 ~ 100 ℃) | Electricalresistivity (μΩ·m) | Thermalconductivity / W / (m• ℃) | Curie point (℃) |
8.10 Nws | 1430-1450 Nws | 515 | 0.78 ib | 11 | 230 |
mob | σb/MPa | σ0.2/MPa | δ/% |
annealing | 450 | 274 | 35 |
Alloy npe | Qhov nruab nrab thermal expansion coefficient / (10-6/ ℃) | |||||
20-50 ℃ | 20-100 ℃ | 20-200 ℃ | 20-300 ℃ | 20-400 ℃ | 20-500 ℃ | |
4j 36 | 0.6 | 0.8 ua | 2.0 | 5.1 | 8.0 ib | 10.0 |
1) Tsawg thermal expansion coefficient ntawm -250 ℃ ~ + 200 ℃.
2) Zoo heev plasticity thiab toughness
Invar 36 Daim ntawv thov teb:
● Liquefied petroleum gas ntau lawm, cia thiab thauj
● Screw connector bushing ntawm hlau thiab lwm yam ntaub ntawv
● Ob chav hlau thiab kub tswj ntawm ob chav hlau
● Zaj duab xis hom moj khaum
● Daim npog ntsej muag
● Kev lag luam dav hlau CRP qhov chaw kos duab tuag
● Lub moj khaum ntawm satellite thiab missile electronic control unit hauv qab 200 ℃
● Lub laser tswj electromagnetic lens nyob rau hauv lub auxiliary nqus raj