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Computing Reliabilities Of Ceramic Components Subject To FractureCARES calculates fast-fracture reliability or failure probability of macroscopically isotropic ceramic components. Program uses results from commercial structural-analysis program (MSC/NASTRAN or ANSYS) to evaluate reliability of component in presence of inherent surface- and/or volume-type flaws. Computes measure of reliability by use of finite-element mathematical model applicable to multiple materials in sense model made function of statistical characterizations of many ceramic materials. Reliability analysis uses element stress, temperature, area, and volume outputs, obtained from two-dimensional shell and three-dimensional solid isoparametric or axisymmetric finite elements. Written in FORTRAN 77.
Document ID
19920000754
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Nemeth, N. N. (Aerospace Design and Fabrication, Inc.)
Gyekenyesi, J. P. (NASA Lewis Research Center, Cleveland, OH.)
Manderscheid, J. M. (NASA Lewis Research Center, Cleveland, OH.)
Date Acquired
August 15, 2013
Publication Date
December 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 12
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LEW-15168
Accession Number
92B10754
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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