钇基重稀土复合球化剂和球化包芯线在厚大断面球墨铸铁件中的应用  

Application of Yttrium-Based Heavy Rare Earth Composite Nodulizer and Nodularizing Core-Wire to Thick Large Section Ductile Iron Castings

作　　者：李仕林 杨清 朱福生 张财淦 廖志金 LI Shi-lin;YANG Qing;ZHU Fu-sheng;ZHANG Cai-gan;LIAO Zhi-jin(Longnan Longyi Heavy Rare Earth Technology Co.,Ltd.,Ganzhou 341000,Jiangxi,China;Jiangxi Engineering Technology Research Center of Heavy Rare Earth Metallurgy Industrial Additives,Ganzhou 341000,Jiangxi,China)

机构地区：[1]龙南龙钇重稀土科技股份有限公司,江西赣州341000 [2]江西省重稀土冶金工业添加剂工程技术研究中心,江西赣州341000

出　　处：《铸造》2023年第9期1127-1134,共8页Foundry

摘　　要：简要介绍了钇基重稀土复合球化剂、球化包芯线的研究现状,介绍了钇基重稀土复合球化剂、球化包芯线的制备。主要探讨了钇基重稀土复合球化剂、球化包芯线中的元素特性及其球化作用机理。分析了不同重量、壁厚球铁铸件如何选择钇基重稀土复合球化剂、球化包芯线,以及钇基重稀土复合球化剂、球化包芯线在工厂的应用效果。The current status of the yttrium-based heavy rare earth composite nodulizer and nodulizing cored wire was comprehensively reviewed in this paper.The preparation of the yttrium-based heavy rare earth composite spheroidization and nodulizing cored wire was briefly introduced.The element characteristics and the spheroidizing mechanism of the yttrium-based heavy rare earth composite nodulizer and nodulizing cored wire were explored.How to choose yttrium-based heavy rare earth composite nodulizer and nodulizing cored wire for ductile iron castings of different weights and wall thicknesses was described.And the application effect of the yttrium-based heavy rare earth composite nodulizer and nodularizing cored wire in the factory was introduced.

关 键 词：钇基重稀土复合球化剂 球化包芯线 球化机理 球墨铸铁 

分 类 号：TG146.4[一般工业技术—材料科学与工程]