摘要：采用激光衍射法和沉降法的粒度分析结果，研究了石墨微粉颗粒的形状及其参数分布，给出了３ 种石墨微粉产品的长径比随粒径变化的分布曲线。通过对曲线的分析，可提取与颗粒制备机理有关的信息。本文从一个角度证明了颗粒的粒度分析与形状分析是相互影响、相互依存、不可分割的整体

关键词：石墨;颗粒形状;粒度分析;形状参数分布;

Abstract：The particle shape and parameter distribution of superfine powder of graphite are researched,using the analysis results of particle size measured by laser diffraction method and sedimentation method.The distribution curve of long/diameter ratio varying with the particle size of the powder product.The analysis results of the curve can provide the useful information concerning the mechanism of particle preparation.

Keyword：graphite; particle shape; particle size analysis; shape parameter distribution;