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NDE of ceramics and ceramic compositesAlthough nondestructive evaluation (NDE) techniques for ceramics are fairly well developed, they are difficult to apply in many cases for high probability detection of the minute flaws that can cause failure in monolithic ceramics. Conventional NDE techniques are available for monolithic and fiber reinforced ceramic matrix composites, but more exact quantitative techniques needed are still being investigated and developed. Needs range from flaw detection to below 100 micron levels in monolithic ceramics to global imaging of fiber architecture and matrix densification anomalies in ceramic composites. NDE techniques that will ultimately be applicable to production and quality control of ceramic structures are still emerging from the lab. Needs are different depending on the processing stage, fabrication method, and nature of the finished product. NDE techniques are being developed in concert with materials processing research where they can provide feedback information to processing development and quality improvement. NDE techniques also serve as research tools for materials characterization and for understanding failure processes, e.g., during thermomechanical testing.
Document ID
19940036012
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Vary, Alex A.
(NASA Lewis Research Center Cleveland, OH, United States)
Klima, Stanley J.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1993
Publication Information
Publication: In: Flight-vehicle materials, structures, and dynamics - Assessment and future directions. Vol. 4 - Tribological materials and NDE (A94-12651 02-38)
Publisher: American Society of Mechanical Engineers
Subject Category
Quality Assurance And Reliability
Accession Number
94A12667
Funding Number(s)
PROJECT: RTOP 510-01-50
Distribution Limits
Public
Copyright
Other

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