A new paper is available in the AIAA Journal of Thermophysics and Heat Transfer:

Omidy, A. D., Panerai, F., Lachaud, J. R., Mansour, N. N., and Martin, A., “Effects of water phase change on the material response of low density carbon phenolic ablators,” Journal of Thermophysics and Heat Transfer, 2016.
DOI: 10.2514/1.T4814