Comparative investigations were carried out of the effect of heat treatment regimes Jor steelGC-4(40CrMnSiMoVA)on its crack propagating rates,from corrosion fatig
Investigation was made of the ductility and microstructure of a series of cast Ni<sub>3</sub>Al-base al-loys,with 19—23 at.-% Al and other alloying elements.An