TY - GEN AU - Fuller, E R Jr AU - Krause, R F Jr AU - Vaudin, M D AU - Palamides, T R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1989-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.88-4018 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1989 TI - Toughening mechanisms in ceramic composites- semi-annual progress report for the period ending September 30, 1988: ER -