Sealing 304L to lithia-alumina-silica (LAS) glass-ceramics

Conference · Sun Oct 01 04:00:00 EDT 1989 · Ceramic Engineering and Science Proceedings; (USA)

OSTI ID:7144458

Moddeman, W E; Pence, R E; Massey, R T; Cassidy, R T; Kramer, D P

Lithia-alumina-silica (LAS) glass-ceramics have been developed whose high coefficient of thermal expansion (CTE) allows the formation of stress-free seals with 300-series stainless steels, by adjusting either the parent glass composition or the sealing/crystallization cycle used in forming seals between LAS glass-ceramics and Ni-base alloys. CTE value and alloy yield strength data are presented which demonstrate the feasibility of feedthroughs and pyrotechnic components based on these materials; the integrity of the glass/steel interfaces is indicated by TEM, metallographic, and wavelength-dispersive spectroscopy results. 10 refs.

• OSTI ID: 7144458
• Report Number(s): CONF-890130--
• Conference Information: Journal Name: Ceramic Engineering and Science Proceedings; (USA) Journal Volume: 10
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
ALKALI METAL COMPOUNDS
ALLOYS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CERAMICS
CHALCOGENIDES
COMPOSITE MATERIALS
EXPANSION
FABRICATION
GLASS
HIGH ALLOY STEELS
INTERFACES
IRON ALLOYS
IRON BASE ALLOYS
JOINING
LITHIUM COMPOUNDS
LITHIUM OXIDES
MATERIALS
OXIDES
OXYGEN COMPOUNDS
SILICON COMPOUNDS
SILICON OXIDES
STAINLESS STEELS
STEELS
THERMAL EXPANSION
USES