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厚大球铁件及其球化剂的发展趋势
Development Trend of Heavy Section Ductile
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- DOI:
- 作者:
- 朱福生,杨宇鹏,钟伟昌,刘燕平,李春红
- 作者单位:
- 江西省龙钇重稀土材料有限责任公司,江西 龙南 341700
- 关键词:
- 厚大断面;球墨铸铁;钇基重稀土;球化剂;球化衰退
Heavy section; Ductile cast iron; Yttriumbased; Nodulizing agent; Nodulization fading
- 摘要:
- 球墨铸铁技术发展趋势是向厚大件发展。综述了厚大断面球墨铸铁球化衰退过程和机理。重点介绍了钇基重稀土球化剂在抗球化衰退性能方面的特点及使用要点。
The development trend of ductile cast iron is heavy section casting. The process and mechanism of nodulization fading is summarized. The properties and the key in application of ytttiumbased nodulizing agent in antidegeneration of spheroidal.