Tag: Invar

Invar & Kovar Machining: Low-Expansion Alloys Done Right

Invar and Kovar machining is a specialist job because these low-expansion nickel alloys are sticky, gummy, and prone to warping if you treat them like steel and hope the program saves you. Invar barely changes size with temperature; Kovar matches the expansion of glass and ceramics for hermetic seals that survive solder without cracking the […]