铸态混合基体QT500-10铸件的生产实践  

Production Practice of QT500-10 Castings with as-cast Mixed Matrix

作　　者：杨宗明 潘密 王世良 张杰 周万强 陈春生 杨华 YANG Zongming;PAN Mi;WANG Shiliang;ZHANG Jie;ZHOU Wanqiang;CHEN Chunsheng;YANG Hua(Wuhan Wuzhong Casting&Forging Co.,Ltd.,Wuhan 430000,Hubei China)

机构地区：[1]武汉武重铸锻有限公司,湖北武汉430000

出　　处：《铸造工程》2022年第2期34-36,共3页Foundry Engineering

摘　　要：为了获得铸态混合基体QT500-10,选用合理的化学成分和重稀土球化剂冲入法球化工艺,采用含Ba、Bi的孕育剂多次多元微量复合孕育工艺,并添加适量的合金Cu,提高球化率,从而生产出力学性能优于QT500-10的铸态混合基体球墨铸铁件。In order to obtain QT500-10 mixed base type cast ductile iron,reasonable chemical composition and heavy RE spheroidizing agent were selected for punching spheroidizing process.The spheroidization rate was improved by adopting the multi-multiple micro-compound inoculation process with inoculant containing Ba and Bi and adding appropriate amount of alloy Cu.The mechanical properties of as-cast mixed base ductile iron were better than QT500-10.

关 键 词：QT500-10 铸态球墨铸铁 多次孕育 

分 类 号：TG255[金属学及工艺—铸造]