渗碳体的球化可能以两种机制进行：破碎渗碳体片的非均匀长大和细小球状渗碳体颗粒的形核长大。
There are two possible mechanism about spheroidization ofcementite: the fracture cementite lamellae grows up non-uniformly and the fine spherical cementite particles grows up as the core.
球化是使渗碳体产生成类似球状分布结构的工艺。
Spheroidizing is the process of producing a structure in which the cementite is in a spheroidal distribution.
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