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Mechanical Failure Phenomena in Pyrolytic Graphite at Room Temperature
The mechanical behavior of pyrolytic graphite was investigated: (1) to develop an understand ing of the phenomena of failure and to apply it to the interpretation of mechanical properties data, and (2) to explore techniques for increasing room temperature strength. Pyrolytic graphite is ex ceedingly...
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Published in: | Journal of the American Ceramic Society 1965-07, Vol.48 (7), p.350-356 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The mechanical behavior of pyrolytic graphite was investigated: (1) to develop an understand ing of the phenomena of failure and to apply it to the interpretation of mechanical properties data, and (2) to explore techniques for increasing room temperature strength. Pyrolytic graphite is ex ceedingly anisotropic and brittle. The condi tions of deposition determine the degree of ani sotropy and this, in turn, has a marked effect on the relations among specimen‐test configuration, nominal strength, and fracture mode. Further more, the “notch sensitivity” is orientation de pendent and thus related to the degree of ani sotropy. The mechanical test results and studies of the fracture modes suggest that results from testing conventional laboratory specimens are not necessarily representative of those which would be obtained by testing free‐standing structures. |
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ISSN: | 0002-7820 1551-2916 |
DOI: | 10.1111/j.1151-2916.1965.tb14759.x |