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DOI 10.2172/274154
Title Sealing of Al-containing stainless steel to lithia-alumina-silica glass-ceramic
Creator/Author Cassidy, R.T. ; Moddeman, W.E.
Publication Date1989 Dec 31
OSTI IdentifierOSTI ID: 274154; Legacy ID: DE96013418
Report Number(s)MLM--3584(OP)
DOE Contract NumberAC04-76DP00053
DOI10.2172/274154
Other Number(s)Other: ON: DE96013418
Resource TypeTechnical Report
Resource RelationOther Information: PBD: [1989]
Research OrgEG and G Mound Applied Technologies, Miamisburg, OH (United States)
Sponsoring OrgUSDOE, Washington, DC (United States)
Subject45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE ;36 MATERIALS SCIENCE; PYROTECHNIC DEVICES; FABRICATION; ALUMINIUM ALLOYS; SEALS; STAINLESS STEELS; GLASS; CERAMICS
Description/Abstract Recent work on a new glass-ceramic/alloy for pyrotechnic components is discussed. A newly developed family of austenitic stainless steels has been hermetically sealed to a widely used lithia-alumina-silica (LAS) glass-ceramic. These alloys, originally developed for high oxidation resistance, contain 4-5 wt% Al. The presence of Al offers several advantages from a glass or glass/ceramic sealing point of view: presence of a tenacious, stable oxide (Al{sub 2}O{sub 3}) on the alloys` surface as well as the fact that they can be strengthened during sealing via precipitation of a secondary phase, NiAl. In addition these new alloys offer lower material and machining costs and improved weldability compared to the widely used Ni-base superalloys.
Country of PublicationUnited States
LanguageEnglish
FormatSize: 16 p.
Availability OSTI as DE96013418
System Entry Date2007 May 07
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