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Fatigue-Testing Apparatus for Metal Matrix CompositesThermal and mechanical load cycling simulated in realistic fatigue tests. Efficient joining of metal matrix composite components to supporting structures is major concern facing users of these materials. Lewis Research Center designed and developed two thermal/mechancical fatigue test facilities, one to test metal matrix composite specimens and another to test compostite/metal attachment bond joints. Thermal/mechanical fatigue facility designed for testing metal matrix composites permits specimen-temperature excursions with controlled heating and loading rates. Second facility designed to test composite/metal attachment bond joints and to permit heating to maximum temperature of 1,400oC (760oC) within 10 min and cooling to 300oF (150oC) within 3 min. Facility has unique capabilities not found in other laboratories.
Document ID
19870000284
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Westfall, Leonard J.
(NASA Lewis Research Center, Cleveland, Ohio.)
Petrasek, Donald W.
(NASA Lewis Research Center, Cleveland, Ohio.)
Date Acquired
August 13, 2013
Publication Date
June 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 6
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LEW-14457
Accession Number
87B10284
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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