Kev faib tawm: qis coefficient ntawm thermal expansion alloy

Daim ntawv thov: Invar yog siv qhov chaw siab kom ruaj khov, xws li cov cuab yeej precision, moos, seismic creep
gauges, TV duab ntxoov ntxoo-mask thav duab, li qub nyob rau hauv motors, thiab antimagnetic watches. Hauv kev soj ntsuam av, thaum xub thawj
(high-precision) nce qib yuav tsum tau ua, cov qib qib siv tau ua los ntawm Invar, tsis yog ntoo, fiberglass, lossis
lwm yam hlau. Invar struts tau siv nyob rau hauv qee lub pistons los txwv lawv cov thermal expansion hauv lawv lub tog raj kheej.