抄録
It is well known three empirical rules for the achievement of high glass-forming ability in bulk metallic glasses. However, a rule for amorphous phase with respect to undercooling behavior is not revealed. In this study, we elucidate effect of SiC addition on transition of undercooling and indicate amorphous formation depends on high undercooling. From this experiment result, it is suggested that an increase of the amorphous formation own effect of containerless solidification processes which are electromagnetic levitation process, gas jet flow type electromagnetic levitation process, splat quenching process and drop tube process. Additionally, amorphous formation ability increased by addition of SiC. Keywords: containerless process, undercooled melt, rapid solidification, SiC added La55Al25Cu10Ni5Co5, droptube method, amorphous formation ability
