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副教授 硕士生导师  

教师拼音名称:Lichengdong

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办公地点:材料科学与工程学院229房间

性别:男

联系方式:15588619659

职称:副教授

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Effects of ZnS modification on primary Si in hypereutectic Al-Si alloy

关键字:ZnS; primary silicon; hypereutectic Al-Si alloy; modification

摘要:A new modifying agent, ZnS, was used as a refiner to modify primary silicon in hypereutectic Al-Si alloy. The factors affecting the modification results, including addition level of ZnS and holding time, were investigated. The results showed that the average size of the most effectively modified primary silicon was 28.5 mu m when the ZnS mixed powder addition was 0.15wt.% with a holding time of 10 min. More important, the average size of primary silicon could remain below 40 mu m despite the holding time extending to 120 min, which means ZnS is a promising modifying agent of primary Si in industrial applications.

卷号:14

期号:2

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