NDLI: Nondestructive evaluation of ceramic and metal matrix composites for nasa's hitemp and enabling propulsion materials programs

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Nondestructive evaluation of ceramic and metal matrix composites for nasa's hitemp and enabling propulsion materials programs

Content Provider	NASA Technical Reports Server (NTRS)
Author	Generazio, Edward R.
Copyright Year	1992
Description	In a preliminary study, ultrasonic, x-ray opaque, and fluorescent dye penetrants techniques were used to evaluate and characterize ceramic and metal matrix composites. Techniques are highlighted for identifying porosity, fiber alignment, fiber uniformity, matrix cracks, fiber fractures, unbonds or disbonds between laminae, and fiber-to-matrix bond variations. The nondestructive evaluations (NDE) were performed during processing and after thermomechanical testing. Specific examples are given for Si3N4/SiC (SCS-6 fiber), FeCrAlY/Al2O3 fibers, Ti-15-3/SiC (SCS-6 fiber) materials, and Si3N4/SiC (SCS-6 fiber) actively cooled panel components. Results of this study indicate that the choice of the NDE tools to be used can be optimized to yield a faithful and accurate evaluation of advanced composites.
File Size	9415048
Page Count	23
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930001775
Archival Resource Key	ark:/13960/t7gr1tq3t
Language	English
Publisher Date	1992-08-01
Access Restriction	Open
Subject Keyword	Nondestructive Tests Ceramic Matrix Composites Dyes Penetrants Aircraft Construction Materials Aircraft Engines Ultrasonic Flaw Detection Defects Cracks Fractures Materials X Rays Surface Waves Metal Matrix Composites Porosity Composite Structures Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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