Keywords iron-based bulk amorphous alloy;iron-based bulk nanocrystalline alloy;water-cooled copper mold method;supercooled liquid region;undercooling;spinodal decomposition;

• 铁基块体非晶合金;铁基块体纳米晶合金;铜模吸铸法;约化玻璃转变温度;共晶合金;调幅分解;