蠕墨铸铁喂线蠕化处理工艺的研究  被引量:2

Study on Cored-Wire Injection Vermicularizing Process for Vermicular Graphite Cast Iron Production

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作  者:朱正宇[1] 何国球[1] 殷作虎 

机构地区:[1]同济大学材料科学与工程学院,上海200092 [2]江苏无锡永新合金球铁厂,江苏无锡214072

出  处:《铸造技术》2004年第10期759-762,共4页Foundry Technology

摘  要:研究喂线蠕化处理工艺生产蠕墨铸铁的可行性 ,通过试验分析了蠕化芯线的化学成分及加入量对蠕化率的影响 ,确定了喂线蠕化的工艺参数。试验还通过对喂线法和冲入法的比较 ,体现出喂线工艺在生产中的优势。结果表明 ,喂线蠕化处理工艺可行 ,蠕化情况良好 。The feasibility of the cored-wire injection vermicularizing process for vermicular cast iron production was studied in this paper. The influences of composition of cored-wire and its addition amount on the percentage of vermicular graphite were analyzed, and the parameters of cored-wire injection vermicularizing process were determined by carrying out vermicularizing treatment experiments. Comparing it with pour-over process showed the superiority of the cored-wire injection process in the stable vermicularizing treatment. The results showed that the cored-wire injection vermicularizing process for vermicular cast iron production was feasible and excellent and stable vermicularizing effect could be obtained by using cored-wire injection vermicularizing process.

关 键 词:蠕墨铸铁 喂线工艺 蠕化率 

分 类 号:TG250[金属学及工艺—铸造]

 

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