片状石墨（flake graphite），是指立体形状为片状的石墨。灰口铸铁内含有这种形状的石墨。
而这种结构是由夹杂物内部的片状石墨晶体平行堆叠形成的。
These inclusions have layer structure which consists of a number of flaky crystallites.
其硬化组织主要为隐晶马氏体，片状石墨基本保持原形貌不变。
The laser hardening microscopic structures are mainly very fine martensite and the original pattern of flake graphite basically remain.
灰口铸铁中含有大量的片状石墨，极易切削，常用来制作厚壁件。
Ash iron casting contain a lot of flake graphite, extremely easy cutting, commonly used to make a thick wall.
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