Most nuclei with spherical or near spherical shape can grow up into sphericalgraphite, while nuclei with no regular shape can hardly grow.
研究了低碳球铁中球状石墨的内部结构及核心形状，探讨了核心形状对石墨球化的影响规律。
2
High-density high-intensity carbon materials were prepared through specific process with coke and sphericalgraphite as raw materials and CJF-43 and FB as additive.
以超细焦炭粉和球形石墨为原料，以CJF-43和FB为粘结剂，通过特定工艺制备高密度高强度炭素材料。
3
Ductile iron is the alloy of iron, carbon and silicon, of which carbon is in the form of spherical free graphite.