Role of furnace atmosphere in glass-to-metal sealing: Quality may suffer if a reducing atmosphere is selected to cut post-sealing cleaning requirements. An oxidizing atmosphere optimized to provide both quality and minimal scale formation is a better choice.

Ceramic Industry | July 1, 1989| | Copyright

Role of Furnace Atmosphere in Glass-to-Metal Sealing Quality may suffer if a reducing atmosphere is selected to cut post-sealing cleaning requirements. An oxidizing atmosphere optimized to provide both quality and minimal scale formation is a better choice Compression glass-to-metal seals are used as hermetic feedthrough terminals, battery and relay headers, multi-terminal electrical connectors, pressure sensors and sight glasses.

Seals are designed with outer metallic members that have greater thermal contraction than the insulating glass. The glass melts during ...

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