TY - GEN AU - R J Fields AU - N J Tighe AU - E R Fuller C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.79-1960 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Effect of strain rate on the fracture toughness of silicon nitride AT 1400�C: ER -