The RE(Y)-Mg-Si-Fe nodularizer had been used to cast heavy sectioned high ductile nodular iron cooling wall castings.
应用钇基重稀土镁复合球化剂，铸造厚大断面高韧性球铁冷却壁，成功地获得了铸件中心部位铸态高性能。
The paper is about how to obtain the densified structure of heavy-wall nodular iron castings under the condition of gravity foundry and to introduce the authors research in this area in detail.
针对日益开始清晰的厚壁球铁件凝固特性，提出了获得其致密组织的较为系统的工艺设计思想； 以作者主持完成的典型的生产实例验证了控制方法的有效性，并在此基础上讨论了控制方法的拓展途径。
应用推荐