Elastic constants of high-texture pyrolytic carbon measured by ultrasound phase spectroscopy

All independent elastic constants for pyrolytic carbon with a well-documented texture are measured experimentally. According to polarized light microscopy and high-resolution transmission electron microscopy, the material is high-textured and does not exhibit any textural gradients along the deposit...

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Bibliographic Details
Published in:Carbon (New York) 2010-10, Vol.48 (12), p.3647-3650
Main Authors: Gebert, J.-M., Reznik, B., Piat, R., Viering, B., Weidenmann, K., Wanner, A., Deutschmann, O.
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fullerenes and related materials
diamonds, graphite
Materials science
Physics
Specific materials
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Summary:All independent elastic constants for pyrolytic carbon with a well-documented texture are measured experimentally. According to polarized light microscopy and high-resolution transmission electron microscopy, the material is high-textured and does not exhibit any textural gradients along the deposition direction. For this material, the elastic constants were determined by ultrasound phase spectroscopy and show transverse isotropy with C 11 = 40, C 12 = 20, C 13 = 13.1, C 33 = 18.2, C 44 = 1.8 GPa. The overall density was determined to be 2.178 g/cm 3.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2010.06.002