An Influence of Nodularity and Graphite Count on Ultrasonic Speed in Compacted Graphite Iron
The environmental regulations have been enacted to get stronger. Thus, engine designers are forced to seek stronger materials than conventional materials for engine cylinder block. Nowadays, Compacted Graphite Iron (CGI) has been widely substituted for Grey Cast Iron in engine cylinder block, since CGI has the advantage of strength compared to Grey Cast Iron, and the advantages of thermal conductivity and fluidity compared to Ductile Cast Iron. The quality assurance of mass production products became one of important issues to engine materials. Thus, some nondestructive inspections are widely used for the mass productions of Ductile Cast Iron. But the nondestructive quality inspection methods of CGI alloys were rarely reported. So in this study, ultrasonic velocity was investigated related with microstructure of some CGI alloys, for the purpose of nondestructive inspection methodology.
compacted graphite iron ultrasonic measurement nodularity, graphite count
Sik Yang Dong-Seob Shim Sang-Bum Kim Young-Sik LEE
Institute of Technology, Doosan Infracore, 39 - 3, Sungbok-Dong Suji-Gu, Yongin-Si, Gyeonggi-Do, Kor Institute of Technology, Doosan Infracore, 39 - 3, Sungbok-Dong Suji-Gu, Yongin-Si,Gyeonggi-Do, Kore
国际会议
69th World Foundry Congress(第69届世界铸造会议 WFC 2010)
杭州
英文
876-879
2010-10-16（万方平台首次上网日期，不代表论文的发表时间）