对于球墨铸铁,良好的孕育可以提高铸件的力学性能,增加石墨球数。孕育处理不仅涉及到孕育剂的种类,也和孕育方式密切相关。近年来,孕育块孕育处理以其比其它的孕育处理孕育衰退小,而且孕育更加均匀等方面的优点,正在得到推广使用。 For nodular cast iron, good inoculation can improve the mechanical properties of castings and increase the number of graphite balls. Incubation not only involves the type of inoculant, but also closely related to gestational patterns. In recent years, nurturing nurturing treatment with its advantages than other nurturing treatment pregnancy recession, but also give birth to more uniform, etc., is being promoted.