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球铁奥氏体化后淬入380℃等温液中,不同时间取出淬冷,试样中的残留奥氏体含量可用本文提供的方法进行测量,这种根据导磁率设计的磁性方法,简便且在一定条件下可靠,可供设计和生产者参考。
Ferronickel is austenitized and then quenched into an isothermal solution at 380 ℃. Quenching is carried out at different times. The retained austenite content in the sample can be measured by the method provided in this paper. The magnetic method designed according to the permeability is simple Under certain conditions, reliable, for design and producer reference.