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Technique for Measuring Stresses Which Occur During Sintering of a Fiber‐Reinforced Ceramic Composite
Author(s) -
Ostertag Claudia P.
Publication year - 1987
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1987.tb04918.x
Subject(s) - materials science , composite material , sintering , ceramic , composite number , stress (linguistics) , curvature , stress field , fiber , bending , ceramic matrix composite , structural engineering , finite element method , philosophy , linguistics , geometry , mathematics , engineering
A new technique for monitoring stresses during sintering of a ceramic composite has been developed. The stress is measured by means of the heterogeneity stresses that build up in a sandwich compact, which consists of a layer, or plane, ofSiC fibers between two layers of ceramic powder of different thicknesses. Upon sintering, this configuration produces an asymmetric stress field across the thickness of the specimen, which results in the bending of the compact, as characterized by the curvature of the fibers. In situ observations of ihe process provide information about the temperature dependence of stress initiation.