结果表明：珠光体温变形显著加快了碳化物球化过程。
Results showed that warm deformation of pearlite will accelerate greatly the spheroidizing process.
残留碳化物只有以点状存在才能使碳化物球化，其数目越多，球化效果越好。
The carbides can be spheroidized only when residual carbides exist as point-like shape, and the more their number is, the better the result of spheroidization.
讨论了残留碳化物在球化过程中的作用。
The action of the residual carbides during the spheroidizing annealing was discussed.
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