Heterogeneous nucleation of Ti2AIC precipitates at TiAl grain boundaries Xiao, S. Q. ; Foitzik, A. H. ; Pirouz, P. ; Heuer, A. H. Abstract Publication: Physica Status Solidi Applied Research Pub Date: June 1992 DOI: 10.1002/pssa.2211310208 Bibcode: 1992PSSAR.131..333X