The complex inclusions in CGHAZ promote the acicular ferrite formation, which is associated with heat input and affects the mechanical properties of CGHAZ.

• 结果表明:CGHAZ中复合夹杂物可促进针状铁素体的形成,针状铁素体的数量与输入线能量有关并显著影响CGHAZ的力学性能。