厚大球墨铸铁件的生产技术

介绍了生产厚大球铁件的原材料和化学成分选择原则;认为采用合适的孕育剂和球化剂,进行多频次、大孕育量孕育是确保厚大球铁件质量的重要手段;为稳定生产高质量厚大球铁件,特别推荐应用预处理技术和热分析技术,并介绍了预处理提高铁液抗衰退能力和热分析量化铁液冶金质量的原理。

Production Technique of Heavy Nodular Iron Castings

The principle for choosing raw materials and chemical composition when producing heavy nodular iron castings was introduced.It was believed that adopting appropriate inoculant and nodularizing alloy,multiple inoculating with large inoculant adding amount is the important measures to guarantee quality of heavy nodular iron castings.In order to stably produce high quality heavy nodular iron castings,it was recommended specially to utilize base iron pre-treating technique and thermal analysis technique,and,at ...