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.
在相邻铁素体界隅及边界上出现大量颗粒状和膜片状的渗碳体。
The lamellar cementite in the pearlite broke up and a large number of granular cementite precipitate on the ferrite boundaries.
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