Page 175 - Fiber Fracture

160 J.G. Lavin

[a] Graphite
-5

I---

Ib] Turbostratic Carbon

[cl Isotropic Carbon

Typical strona confluence

I I I
-1 La I-
Fig. 3. Forms of carbon.

pitch-based carbon fibers were conducted by Sines et al. (1989) and Kogure et al. (1996)
at 2300°C and stresses of the order of 800 MPa. Projections of the data obtained to
ambient temperatures indicate that creep deformations will be infinitesimally small.