形核剂

本文以FeC合金作为形核剂，研究了形核剂含碳量对高碳钢凝固过程的影响机理。

In present research , Fe-C alloys are taken as nucleating agents and the effects of carbon content of nucleating agents on solidification process of high-carbon steel are studied .

根据热力学可以选择合适的形核剂。

The suitable nucleating agents can be selected according to thermodynamics .

形核剂成分对高碳钢凝固过程的影响

Effect of Nucleating Agents ' Composition on Solidification Process of High Carbon Steel

对高碳钢，中碳铁合金形核剂既可扩大等轴晶区，又可细化晶粒；

Adding low carbon nucleating agents into high carbon steel grade can only enlarge equiaxed grain zone .

金属凝固过程中加入形核剂是改善金属材料组织和性能的常用方法。

Adding nucleating agents to metal liquid is a common way to improve the structure and mechanical properties in solidification process .

研究结果表明，向钢液中加入形核剂可有效地扩大等轴晶区。

The results show that adding medium carbon nucleating agents into high carbon steel grade can effectively enlarge equiaxed grain zone and fine grain size ;