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Thermally Activated Retainers For Insertion In GapsMechanical retainers of new type for use with gap filler easy to install and to attach themselves securely. Concept based on shape-memory properties of metal alloy Nitinol, alloy of nickel and titanium. Retainers conceived for use with Space Shuttle insulating tiles but used on other assemblies of blocks or tiles configured similarly. Tabs bent outward made flush by cooling below memory transition temperature. After insertion in gap and reheating, tabs spring outward.
Document ID
19920000715
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Grimaldi, Margaret E.
(NASA Lyndon B. Johnson Space Center, Houston, TX.)
Hartz, Leslie S.
(NASA Lyndon B. Johnson Space Center, Houston, TX.)
Date Acquired
August 15, 2013
Publication Date
November 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 11
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MSC-21793
Accession Number
92B10715
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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