Segregation and microstructure heterogenity of single crystal nickel based superalloy ŽS 26 J. ZRNÍK, P. MAKROCZY, M. ŽITÑANSKÝ et M. HAZLINGER J. Phys. IV France, 03 C7 (1993) C7-343-C7-346 DOI: 10.1051/jp4:1993752