2005 | OriginalPaper | Buchkapitel
Elasto-Plastic Behavior of Glassy Carbon and Silica Glass by Nano-Indentation with Spherical Tipped Indenter
verfasst von : Norio Iwashita, Michael V. Swain, John S. Field
Erschienen in: Fracture Mechanics of Ceramics
Verlag: Springer US
Glassy carbons (GCs), obtained by pyrolysis and heat treatment of thermosetting resins above 1000°C, are hard and brittle materials that fail suddenly when loaded in tension or compression.
In commercially available GCs, the mean grain diameter, evaluated from micrographs under a field-emission electron gun type scanning electron microscopy, and the crystallite sizes, calculated from X-ray powder diffraction profiles, both slightly increased with the elevation of heat treatment temperature (HTT) from 1000°C to 3000°C.