@article {pollock1996situ, title = {In-situ observations of crack initiation and growth at notches in cast Ti-48Al-2Cr-2Nb}, journal = {Scripta materialia}, volume = {35}, number = {11}, year = {1996}, pages = {1311{\textendash}1316}, publisher = {Pergamon}, author = {Pollock, TM and Mumm, DR and Muraleedharan, K and Martin, PL} }