青岛科技大学  English 
李成栋
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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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A New Al-ZnS Master Alloy Designed for Modifying Hypereutectic Al-Si alloy and Its Refinement Performance on Primary Si

摘要:To increase the industrial applicability of hypereutectic Al-Si alloys,various methods have been used to refine primary silicon.The addition and refinement effects of phosphorus(P),rare earth metals(RE) on primary Si have been studied widely.But they have been testified be with some disadvantages,that is,the pollution to the environment of P and the high cost of RE,etc.Now,a new refiner-Zn S and the corresponding processing technology were researched.Microstructures of hypereutectic Al-Si alloy(Si wt.24%) with fine primary Si were successfully obtained.And the primary Si can be refined from more than 80μm to 20μm.And the distribution of primary silicon is getting more uniform.

卷号:Vol.1088

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