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一、前言对铸铁结晶过程的研究已有较长的历史了,特别是对铸铁中石墨从一种形态到另一种形态的变化虽然已进行了多方面的研究。但是,对石墨长大的机理仍存在这样和那样的分岐认识。六十年代对球状石墨的形成过程进行过热烈的争论。近年米对蠕虫状石墨的形成和长大方式的讨论也是一个引人注目的内容,在这个问题上也存在着一些不同的认识最近对于蠕化率在描写蠕虫状石墨生长过程中的不同行为的作用也有了进一步认识。对于初生片状石墨目前认为有两种类型,
I. Preface The study of cast iron crystallization process has a long history, especially for cast iron graphite from one form to another although the morphological changes have been conducted in many ways. However, there is still such a disagreement about the mechanism of the growth of graphite. The 1960s overheated the formation of spherical graphite. In recent years, the discussion about the formation and growth of worm-like graphite in rice has also been an attractive topic. There are also some differences on this issue. Recently, the different behavior of the rate of vermicularity in describing the growth of wormlike graphite The role has also been further understanding. Currently, there are two types of flaky graphite,