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球化退火的概述

2025-03-16 07:05:51

推荐回答（1个）

回答（1）：

球化退火（Spheroidizing annealing）：球化退火是使钢中碳化物球化而进行的退火工艺。
将钢加热到Ac1以上20～30℃，保温一段时间，然后缓慢冷却到略低于Ac1的温度，并停留一段时间，使组织转变完成，得到在铁素体基体上均匀分布的球状或颗粒状碳化物的组织。

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