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Duplicating Curved Tile Surfaces for Pull TestingStrength of adhesive bonds to fragile objects with complex shapes tested easily with vacuum chucks. In bond-strength test, contact surface of chuck pressed against matching surface of bonded tile. Vacuum line extending through fine bore in chuck creates vacuum at chuck-and-tile interface. Thus, when chuck pulled away, atmospheric pressure tends to push tile away with chuck. If adhesive resists predetermined pull exerted by chuck on tile, bond acceptable. Originally developed for vacuum chucks used on silica tiles attached to outer surface of Space Shuttle orbiter, used to custom-fabricate chuck for specific tile.
Document ID
19850000274
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Sebenick, R. H.
(Rockwell International Corp.)
Date Acquired
August 12, 2013
Publication Date
October 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 2
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MSC-20795
Accession Number
85B10274
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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