vähima soojuspaisumisega rauaniklisulam niklisisaldusega u 36%
a 36% nickel-iron alloy with a very small thermal expansion coefficient of 1.3x10-6oC-1 from 15 to 250 oC, which makes it suitable for use in making ceramic-to-metal and glass-to-metal seals
Hea teada
Invar has the lowest thermal expansion coefficient of iron-nickel alloys.
